Live Fly Fishing Conditions
Current Hatch Conditions
Real-time hatch status across 557 rivers in 40 states. Based on live USGS water temperature and seasonal timing.
162 active18 imminent590 approaching
Active Now(162)
Au Sable RiverMI—Caddis
Water: 60°F ✓Flow: 2,850 cfs floodPeak conditions
Pine RiverMI—Blue-Winged Olive (BWO)
Water: 58°F ✓Flow: 393 cfs highPeak conditions
Pine RiverMI—Hendrickson
Water: 58°F ✓Flow: 393 cfs highPeak conditions
Pine RiverMI—Caddis
Water: 58°F ✓Flow: 393 cfs highPeak conditions
Manistee RiverMI—Caddis
Water: 60°F ✓Flow: 1,940 cfs highPeak conditions
Muskegon RiverMI—Caddis
Water: 59°F ✓Flow: 2,560 cfs optimalPeak conditions
Snake River — Snake River CanyonWY—Blue-Winged Olive
Water: 48°F ✓Flow: 7,330 cfs optimalPeak conditions
Green River — Flaming GorgeWY—Midge
Water: 56°F ✓Flow: 905 cfs optimalPeak conditions
Green River — Flaming GorgeWY—Blue-Winged Olive
Water: 56°F ✓Flow: 905 cfs optimalPeak conditions
Green River — Flaming GorgeWY—Caddis
Water: 56°F ✓Flow: 905 cfs optimalPeak conditions
Rogue RiverOR—Caddis
Water: 60°F ✓Flow: 2,170 cfs optimalPeak conditions
Deschutes RiverOR—Blue-Winged Olive
Water: 57°F ✓Flow: 3,790 cfs optimalPeak conditions
Deschutes RiverOR—Caddis (Mother's Day Caddis)
Water: 57°F ✓Flow: 3,790 cfs optimalPeak conditions
Enormous emergence — the signature Deschutes hatch
McKenzie RiverOR—Blue-Winged Olive
Water: 57°F ✓Flow: 2,560 cfs optimalPeak conditions
McKenzie RiverOR—Caddis
Water: 57°F ✓Flow: 2,560 cfs optimalPeak conditions
Wenatchee RiverWA—Caddis
Water: 53°F ✓Flow: 3,990 cfs optimalPeak conditions
Tuolumne RiverCA—Blue-Winged Olive
Water: 50°F ✓Flow: 967 cfs optimalPeak conditions
Tuolumne RiverCA—Caddis
Water: 50°F ✓Flow: 967 cfs optimalPeak conditions
Trinity RiverCA—Caddis
Water: 63°F ✓Flow: 2,260 cfs optimalPeak conditions
Merced RiverCA—Blue-Winged Olive
Water: 52°F ✓Flow: 612 cfs optimalPeak conditions
Merced RiverCA—Caddis
Water: 52°F ✓Flow: 612 cfs optimalPeak conditions
Colorado River — Grand CanyonAZ—Midge
Water: 55°F ✓Flow: 8,450 cfs optimalPeak conditions
Dominant food source at Lees Ferry — size 18–24
Colorado River — Grand CanyonAZ—Scud/Amphipod
Water: 55°F ✓Flow: 8,450 cfs optimalPeak conditions
Not a hatch but a critical subsurface food source below the dam
Colorado River — Grand CanyonAZ—Caddis
Water: 55°F ✓Flow: 8,450 cfs optimalPeak conditions
San Juan RiverUT—Midge
Water: 68°F ✓Flow: 1,000 cfs optimalPeak conditions
The San Juan is a midge factory — size 22–28. This is THE pattern to master here
Au Sable South BranchMI—Caddis
Water: 64°F ✓Flow: 392 cfs optimalPeak conditions
Little Muskegon RiverMI—Caddis
Water: 65°F ✓Flow: 238 cfs optimalPeak conditions
Esopus CreekNY—Caddis
Water: 59°F ✓Flow: 965 cfs optimalPeak conditions
Blue RiverCO—Midge
Water: 44°F ✓Flow: 85 cfs lowPeak conditions
Roaring Fork RiverCO—Blue-Winged Olive
Water: 52°F ✓Flow: 965 cfs lowPeak conditions
Roaring Fork RiverCO—Caddis
Water: 52°F ✓Flow: 965 cfs lowPeak conditions
Clark ForkMT—Blue-Winged Olive
Water: 49°F ✓Flow: 6,000 cfs optimalPeak conditions
Missouri River — Upper Missouri BreaksMT—Midge
Water: 51°F ✓Flow: 4,840 cfs lowPeak conditions
Missouri River — Upper Missouri BreaksMT—Blue-Winged Olive
Water: 51°F ✓Flow: 4,840 cfs lowPeak conditions
Missouri River — Upper Missouri BreaksMT—Caddis
Water: 51°F ✓Flow: 4,840 cfs lowPeak conditions
Yellowstone RiverMT—Blue-Winged Olive
Water: 47°F ✓Flow: 6,020 cfs optimalPeak conditions
Madison RiverMT—Blue-Winged Olive
Water: 53°F ✓Flow: 1,230 cfs optimalPeak conditions
Madison RiverMT—Caddis
Water: 53°F ✓Flow: 1,230 cfs optimalPeak conditions
American River — South ForkCA—Caddis
Water: 56°F ✓Flow: 2,460 cfs optimalPeak conditions
American River — South ForkCA—Stonefly
Water: 56°F ✓Flow: 2,460 cfs optimalPeak conditions
Stanislaus RiverCA—Blue-Winged Olive
Water: 55°F ✓Peak conditions
Stanislaus RiverCA—Caddis
Water: 55°F ✓Peak conditions
Walker RiverNV—Caddis
Water: 65°F ✓Flow: 135 cfs optimalPeak conditions
Provo RiverUT—Blue-Winged Olive
Water: 55°F ✓Flow: 190 cfs lowPeak conditions
Provo RiverUT—Caddis
Water: 55°F ✓Flow: 190 cfs lowPeak conditions
Hoback RiverWY—Blue-Winged Olive
Water: 49°F ✓Flow: 958 cfs optimalPeak conditions
Shoshone RiverWY—Blue-Winged Olive
Water: 58°F ✓Flow: 417 cfs lowPeak conditions
Shoshone RiverWY—Caddis
Water: 58°F ✓Flow: 417 cfs lowPeak conditions
Oak CreekAZ—Caddis
Water: 62°F ✓Flow: 27.4 cfs lowPeak conditions
Colorado River — Glenwood CanyonCO—Blue-Winged Olive
Water: 52°F ✓Flow: 965 cfs lowPeak conditions
Colorado River — Glenwood CanyonCO—Caddis
Water: 52°F ✓Flow: 965 cfs lowPeak conditions
Colorado River — Glenwood CanyonCO—Stonefly
Water: 52°F ✓Flow: 965 cfs lowPeak conditions
Dismal RiverNE—Caddis
Water: 60°F ✓Flow: 262 cfs optimalPeak conditions
Niobrara RiverNE—Caddis
Water: 61°F ✓Flow: 798 cfs optimalPeak conditions
Sandy RiverOR—Caddis
Water: 53°F ✓Flow: 1,500 cfs optimalPeak conditions
Sandy RiverOR—Stonefly
Water: 53°F ✓Flow: 1,500 cfs optimalPeak conditions
Sandy RiverOR—Blue-Winged Olive
Water: 53°F ✓Flow: 1,500 cfs optimalPeak conditions
Saluda RiverSC—Caddis
Water: 62°F ✓Flow: 840 cfs optimalPeak conditions
Green River — Lodore CanyonCO—Blue-Winged Olive (BWO)
Water: 50°F ✓Flow: 1,680 cfs optimalPeak conditions
Green River — Lodore CanyonCO—Caddis
Water: 50°F ✓Flow: 1,680 cfs optimalPeak conditions
Colorado River — Glenwood CanyonCO—Blue-Winged Olive (BWO)
Water: 52°F ✓Flow: 965 cfs lowPeak conditions
Colorado River — Glenwood CanyonCO—Caddis
Water: 52°F ✓Flow: 965 cfs lowPeak conditions
Mother’s Day caddis is a major hatch
Taylor RiverCO—Midges
Water: 52°F ✓Flow: 253 cfs lowPeak conditions
Tailwater stays cold and midges hatch all winter
Taylor RiverCO—Blue-Winged Olive (BWO)
Water: 52°F ✓Flow: 253 cfs lowPeak conditions
Gunnison River — MainCO—Midges
Water: 62°F ✓Flow: 747 cfs lowPeak conditions
Cold tailwater fishes year-round in the canyon
Gunnison River — MainCO—Caddis
Water: 62°F ✓Flow: 747 cfs lowPeak conditions
Colorado River — UpperCO—Blue-Winged Olive (BWO)
Water: 52°F ✓Flow: 324 cfs lowPeak conditions
Colorado River — UpperCO—Caddis
Water: 52°F ✓Flow: 324 cfs lowPeak conditions
Strong Mother’s Day caddis hatch on the Upper Colorado
North Branch PotomacWV—Blue-Winged Olive (BWO)
Water: 57°F ✓Flow: 244 cfs lowPeak conditions
North Branch PotomacWV—Caddis
Water: 57°F ✓Flow: 244 cfs lowPeak conditions
North Branch PotomacWV—Sulfur
Water: 57°F ✓Flow: 244 cfs lowPeak conditions
Excellent evening sulfur hatch on the tailwater
Truckee RiverCA—Midges
Water: 53°F ✓Flow: 1,190 cfs optimalPeak conditions
Truckee RiverCA—Blue-Winged Olive (BWO)
Water: 53°F ✓Flow: 1,190 cfs optimalPeak conditions
Truckee RiverCA—Caddis
Water: 53°F ✓Flow: 1,190 cfs optimalPeak conditions
Willowemoc CreekNY—Sulfur
Water: 64°F ✓Flow: 116 cfs optimalPeak conditions
Neversink RiverNY—Sulfur
Water: 61°F ✓Flow: 126 cfs optimalPeak conditions
Au Sable RiverMI—Hendrickson Mayfly
Water: 60°F ✓Flow: 2,850 cfs floodActive
Au Sable RiverMI—March Brown / Grey Drake
Water: 60°F ✓Flow: 2,850 cfs floodActive
Manistee RiverMI—Hendrickson
Water: 60°F ✓Flow: 1,940 cfs highActive
Muskegon RiverMI—Blue-Winged Olive (BWO)
Water: 59°F ✓Flow: 2,560 cfs optimalActive
Rogue RiverOR—Salmonfly
Water: 60°F ✓Flow: 2,170 cfs optimalActive
Trinity RiverCA—Stonefly
Water: 63°F ✓Flow: 2,260 cfs optimalActive
San Juan RiverUT—Blue-Winged Olive
Water: 68°F ✓Flow: 1,000 cfs optimalActive
Reliable hatches — fish key on emergers
Youghiogheny RiverPA—Hendrickson
Water: 69°F ✓Flow: 190 cfs lowActive
Youghiogheny RiverPA—Caddis
Water: 69°F ✓Flow: 190 cfs lowActive
Pine CreekPA—Blue-Winged Olive
Water: 70°F ✓Flow: 1,210 cfs optimalActive
Pine CreekPA—Hendrickson
Water: 70°F ✓Flow: 1,210 cfs optimalActive
Pine CreekPA—March Brown
Water: 70°F ✓Flow: 1,210 cfs optimalActive
Pine CreekPA—Sulfur
Water: 70°F ✓Flow: 1,210 cfs optimalActive
Chattahoochee River — Metro AtlantaGA—Caddis
Water: 74°F ✓Flow: 928 cfs optimalActive
Chattahoochee River — Metro AtlantaGA—Sulfur
Water: 74°F ✓Flow: 928 cfs optimalActive
Chattahoochee River — Metro AtlantaGA—Midge
Water: 74°F ✓Flow: 928 cfs optimalActive
Primary food source in tailwater
Delaware River — Delaware Water GapNJ—Hendrickson
Water: 72°F ✓Flow: 5,020 cfs optimalActive
Delaware River — Delaware Water GapNJ—Caddis
Water: 72°F ✓Flow: 5,020 cfs optimalActive
Delaware River — Delaware Water GapNJ—Sulfur
Water: 72°F ✓Flow: 5,020 cfs optimalActive
Au Sable South BranchMI—Blue-Winged Olive (BWO)
Water: 64°F ✓Flow: 392 cfs optimalActive
Au Sable South BranchMI—Hendrickson
Water: 64°F ✓Flow: 392 cfs optimalActive
Little Muskegon RiverMI—Blue-Winged Olive (BWO)
Water: 65°F ✓Flow: 238 cfs optimalActive
Potomac River — South BranchVA—Blue-Winged Olive (BWO)
Water: 80°F ✓Flow: 249 cfs lowActive
Potomac River — South BranchVA—Caddis
Water: 80°F ✓Flow: 249 cfs lowActive
Delaware River — UpperNY—Blue-Winged Olive (BWO)
Water: 69°F ✓Flow: 3,220 cfs optimalActive
Delaware River — UpperNY—Hendrickson
Water: 69°F ✓Flow: 3,220 cfs optimalActive
Delaware River — UpperNY—Caddis
Water: 69°F ✓Flow: 3,220 cfs optimalActive
Delaware River — UpperNY—March Brown
Water: 69°F ✓Flow: 3,220 cfs optimalActive
Esopus CreekNY—Blue-Winged Olive (BWO)
Water: 59°F ✓Flow: 965 cfs optimalActive
Esopus CreekNY—Hendrickson
Water: 59°F ✓Flow: 965 cfs optimalActive
Esopus CreekNY—March Brown
Water: 59°F ✓Flow: 965 cfs optimalActive
Beaverkill RiverNY—Blue-Winged Olive (BWO)
Water: 67°F ✓Flow: 515 cfs highActive
Beaverkill RiverNY—Hendrickson
Water: 67°F ✓Flow: 515 cfs highActive
Beaverkill RiverNY—Caddis
Water: 67°F ✓Flow: 515 cfs highActive
Beaverkill RiverNY—March Brown
Water: 67°F ✓Flow: 515 cfs highActive
Dolores RiverUT—Blue-Winged Olive
Water: 67°F ✓Flow: 213 cfs lowActive
Dolores RiverUT—Caddis
Water: 67°F ✓Flow: 213 cfs lowActive
John Day RiverOR—Caddis
Water: 69°F ✓Flow: 1,120 cfs optimalActive
Walker RiverNV—Blue-Winged Olive
Water: 65°F ✓Flow: 135 cfs optimalActive
Oak CreekAZ—Blue-Winged Olive
Water: 62°F ✓Flow: 27.4 cfs lowActive
Sipsey ForkAL—Caddis
Water: 75°F ✓Flow: 18.2 cfs lowActive
Sipsey ForkAL—Sulfur
Water: 75°F ✓Flow: 18.2 cfs lowActive
Red Clay CreekDE—Blue-Winged Olive
Water: 76°F ✓Flow: 23.1 cfs lowActive
Red Clay CreekDE—Caddis
Water: 76°F ✓Flow: 23.1 cfs lowActive
Red Clay CreekDE—Sulfur
Water: 76°F ✓Flow: 23.1 cfs lowActive
White Clay CreekDE—Blue-Winged Olive
Water: 79°F ✓Flow: 36.3 cfs lowActive
White Clay CreekDE—Caddis
Water: 79°F ✓Flow: 36.3 cfs lowActive
White Clay CreekDE—Sulfur
Water: 79°F ✓Flow: 36.3 cfs lowActive
Turkey RiverIA—Blue-Winged Olive
Water: 66°F ✓Flow: 1,810 cfs highActive
Turkey RiverIA—Caddis
Water: 66°F ✓Flow: 1,810 cfs highActive
Turkey RiverIA—Sulfur
Water: 66°F ✓Flow: 1,810 cfs highActive
Savage RiverMD—Blue-Winged Olive
Water: 66°F ✓Flow: 15 cfs lowActive
Savage RiverMD—Caddis
Water: 66°F ✓Flow: 15 cfs lowActive
Savage RiverMD—Sulfur
Water: 66°F ✓Flow: 15 cfs lowActive
Dismal RiverNE—Blue-Winged Olive
Water: 60°F ✓Flow: 262 cfs optimalActive
Niobrara RiverNE—Blue-Winged Olive
Water: 61°F ✓Flow: 798 cfs optimalActive
Lower Mountain ForkOK—Caddis
Water: 67°F ✓Flow: 873 cfs optimalActive
Jackson RiverVA—Blue-Winged Olive
Water: 66°F ✓Active
Jackson RiverVA—Caddis
Water: 66°F ✓Active
Jackson RiverVA—Sulfur
Water: 66°F ✓Active
Jackson RiverVA—March Brown
Water: 66°F ✓Active
Cranberry RiverWV—Blue-Winged Olive
Water: 69°F ✓Flow: 39 cfs lowActive
Cranberry RiverWV—Caddis
Water: 69°F ✓Flow: 39 cfs lowActive
Cranberry RiverWV—Sulfur
Water: 69°F ✓Flow: 39 cfs lowActive
Taylor RiverCO—Mysis Shrimp
Water: 52°FFlow: 253 cfs lowActive
Mysis flushed from the reservoir feed trophy fish in the Hog Trough
Fryingpan RiverCO—Mysis Shrimp
Flow: 110 cfs lowActive
Hallmark of the Frying Pan — flushed from Ruedi, fuels trophy rainbows
Gunnison River — MainCO—Blue-Winged Olive (BWO)
Water: 62°F ✓Flow: 747 cfs lowActive
Lackawaxen RiverPA—Blue-Winged Olive (BWO)
Water: 71°F ✓Flow: 449 cfs optimalActive
Lackawaxen RiverPA—Hendrickson Mayfly
Water: 71°F ✓Flow: 449 cfs optimalActive
Lackawaxen RiverPA—Caddis
Water: 71°F ✓Flow: 449 cfs optimalActive
Lackawaxen RiverPA—Sulfur
Water: 71°F ✓Flow: 449 cfs optimalActive
Lackawaxen RiverPA—Slate Drake (Isonychia)
Water: 71°F ✓Flow: 449 cfs optimalActive
Davidson RiverNC—Blue-Winged Olive (BWO)
Water: 71°F ✓Flow: 33.6 cfs lowActive
Davidson RiverNC—Caddis
Water: 71°F ✓Flow: 33.6 cfs lowActive
Davidson RiverNC—Sulfur
Water: 71°F ✓Flow: 33.6 cfs lowActive
Davidson RiverNC—Yellow Sally
Water: 71°FFlow: 33.6 cfs lowActive
Chattooga River — MainSC—Yellow Sally
Flow: 207 cfs lowActive
Jackson River — Lake Moomaw TailwaterVA—Blue-Winged Olive
Water: 66°F ✓Active
Jackson River — Lake Moomaw TailwaterVA—Sulfur
Water: 66°F ✓Active
Jackson River — Lake Moomaw TailwaterVA—Caddis
Water: 66°F ✓Active
West Branch Ausable RiverNY—Blue Quill
Flow: 1,030 cfs highActive
Willowemoc CreekNY—Hendrickson
Water: 64°F ✓Flow: 116 cfs optimalActive
The Catskill Hendrickson — one of the most famous hatches in American fly fishing
Willowemoc CreekNY—March Brown
Water: 64°F ✓Flow: 116 cfs optimalActive
Neversink RiverNY—Hendrickson
Water: 61°F ✓Flow: 126 cfs optimalActive
Neversink RiverNY—Blue-Winged Olive
Water: 61°F ✓Flow: 126 cfs optimalActive
Neversink RiverNY—March Brown
Water: 61°F ✓Flow: 126 cfs optimalActive
Imminent (within 7 days)(18)
Au Sable RiverMI—Brown Drake
Water: 60°F ✓Flow: 2,850 cfs flood2 days until peak
Au Sable RiverMI—Sulfur
Water: 60°F ✓Flow: 2,850 cfs flood2 days until peak
Pine RiverMI—Sulfur
Water: 58°F ✓Flow: 393 cfs high2 days until peak
Manistee RiverMI—Brown Drake
Water: 60°F ✓Flow: 1,940 cfs high2 days until peak
Deschutes RiverOR—Salmonfly
Water: 57°F ✓Flow: 3,790 cfs optimal2 days until peak
Iconic hatch — fish eat big dries aggressively
McKenzie RiverOR—Green Drake
Water: 57°F ✓Flow: 2,560 cfs optimal2 days until peak
Youghiogheny RiverPA—Sulfur
Water: 69°F ✓Flow: 190 cfs low2 days until peak
Pine CreekPA—Green Drake
Water: 70°F ✓Flow: 1,210 cfs optimal2 days until peak
Delaware River — Delaware Water GapNJ—Green Drake
Water: 72°F ✓Flow: 5,020 cfs optimal2 days until peak
Potomac River — South BranchVA—Sulfur
Water: 80°F ✓Flow: 249 cfs low2 days until peak
Potomac River — South BranchVA—Green Drake
Water: 80°F ✓Flow: 249 cfs low2 days until peak
Delaware River — UpperNY—Green Drake
Water: 69°F ✓Flow: 3,220 cfs optimal2 days until peak
Delaware River — UpperNY—Sulfur
Water: 69°F ✓Flow: 3,220 cfs optimal2 days until peak
Beaverkill RiverNY—Green Drake
Water: 67°F ✓Flow: 515 cfs high2 days until peak
Beaverkill RiverNY—Sulfur
Water: 67°F ✓Flow: 515 cfs high2 days until peak
Gunnison River — MainCO—Salmonfly
Water: 62°F ✓Flow: 747 cfs low2 days until peak
Famous Gunnison salmonfly hatch — trophy fish window
Willowemoc CreekNY—Green Drake
Water: 64°F ✓Flow: 116 cfs optimal2 days until peak
Neversink RiverNY—Green Drake
Water: 61°F ✓Flow: 126 cfs optimal2 days until peak
Approaching (within 30 days)(590)
Arkansas RiverCO—Midge
Flow: 337 cfs low
Arkansas RiverCO—Blue-Winged Olive (BWO)
Flow: 337 cfs low
Prolific spring and fall hatches
Arkansas RiverCO—Caddis (Mother's Day Caddis)
Flow: 337 cfs low
Massive emergence in May
Gallatin RiverMT—Blue-Winged Olive
Flow: 1,230 cfs optimal
Gallatin RiverMT—Caddis (Mother's Day)
Flow: 1,230 cfs optimal
Blackfoot RiverMT—Caddis
Water: 47°F (need 50°F)Flow: 3,960 cfs optimal
Nantahala RiverNC—Caddis
Flow: 93.7 cfs low
Nantahala RiverNC—Light Cahill
Flow: 93.7 cfs low
Deerfield RiverMA—Blue-Winged Olive
Flow: 609 cfs optimal
Deerfield RiverMA—Hendrickson
Flow: 609 cfs optimal
Deerfield RiverMA—Caddis
Flow: 609 cfs optimal
Deerfield RiverMA—Sulfur
Flow: 609 cfs optimal
Saco RiverNH—Quill Gordon / Hendrickson
Flow: 1,700 cfs optimal
Saco RiverNH—Caddis
Flow: 1,700 cfs optimal
Pere Marquette RiverMI—Blue-Winged Olive (BWO)
Flow: 808 cfs optimal
Pere Marquette RiverMI—Hendrickson
Flow: 808 cfs optimal
Pere Marquette RiverMI—Caddis
Flow: 808 cfs optimal
Boardman RiverMI—Blue-Winged Olive (BWO)
Boardman RiverMI—Hendrickson
Boardman RiverMI—Caddis
Jordan RiverMI—Blue-Winged Olive (BWO)
Flow: 285 cfs optimal
Jordan RiverMI—Hendrickson
Flow: 285 cfs optimal
Jordan RiverMI—Caddis
Flow: 285 cfs optimal
Betsie RiverMI—Caddis
Two Hearted RiverMI—Blue-Winged Olive (BWO)
Two Hearted RiverMI—Caddis
Lochsa RiverID—Caddis
Flow: 5,620 cfs high
Flathead River — Middle ForkMT—Caddis
Flow: 6,100 cfs optimal
Stillwater RiverMT—Blue-Winged Olive
Stillwater RiverMT—Caddis
Snake River — Snake River CanyonWY—Caddis
Water: 48°F (need 50°F)Flow: 7,330 cfs optimal
North Platte River — Northgate CanyonWY—Midge
Flow: 842 cfs optimal
The bread-and-butter pattern on the Miracle Mile
North Platte River — Northgate CanyonWY—Blue-Winged Olive
Flow: 842 cfs optimal
North Platte River — Northgate CanyonWY—Caddis
Flow: 842 cfs optimal
Cache la PoudreCO—Blue-Winged Olive
Flow: 166 cfs low
Cache la PoudreCO—Caddis
Flow: 166 cfs low
Mother's Day Caddis kicks off the season
North Umpqua RiverOR—Caddis
Skagit RiverWA—Caddis
Water: 46°F (need 50°F)Flow: 3,970 cfs low
Kern RiverCA—Caddis
Flow: 101 cfs low
Truckee RiverNV—Blue-Winged Olive
Flow: 998 cfs optimal
Truckee RiverNV—Caddis
Flow: 998 cfs optimal
Rio Grande — Taos BoxNM—Blue-Winged Olive
Flow: 216 cfs low
Rio Grande — Taos BoxNM—Caddis
Flow: 216 cfs low
Rio ChamaNM—Blue-Winged Olive
Flow: 136 cfs low
Rio ChamaNM—Caddis
Flow: 136 cfs low
Gila RiverNM—Caddis
Flow: 21.4 cfs low
Gila RiverNM—Stonefly
Flow: 21.4 cfs low
Lehigh RiverPA—Hendrickson
Flow: 1,140 cfs optimal
Lehigh RiverPA—Caddis
Flow: 1,140 cfs optimal
Nolichucky RiverTN—Caddis
Flow: 654 cfs optimal
Nolichucky RiverTN—Sulfur
Flow: 654 cfs optimal
Hiwassee RiverTN—Sulfur
Hiwassee RiverTN—Caddis
Chattooga RiverNC—Blue-Winged Olive
Flow: 207 cfs low
Chattooga RiverNC—Caddis
Flow: 207 cfs low
Chattooga RiverNC—Light Cahill
Flow: 207 cfs low
Toccoa RiverGA—Caddis
Toccoa RiverGA—Sulfur
Toccoa RiverGA—Midge
Penobscot River — West BranchME—Caddis
Flow: 2,610 cfs optimal
Kennebec River — The ForksME—Caddis
Flow: 377 cfs optimal
Hudson River GorgeNY—Caddis
Flow: 1,440 cfs low
West RiverVT—Blue-Winged Olive
Flow: 224 cfs low
West RiverVT—Hendrickson
Flow: 224 cfs low
West RiverVT—Caddis
Flow: 224 cfs low
West RiverVT—Sulfur
Flow: 224 cfs low
Housatonic RiverCT—Hendrickson
Flow: 542 cfs optimal
Housatonic RiverCT—Caddis
Flow: 542 cfs optimal
Housatonic RiverCT—March Brown
Flow: 542 cfs optimal
Housatonic RiverCT—Sulfur
Flow: 542 cfs optimal
Farmington RiverCT—Hendrickson
Flow: 441 cfs optimal
Farmington RiverCT—Caddis
Flow: 441 cfs optimal
Farmington RiverCT—March Brown
Flow: 441 cfs optimal
Current RiverMO—Caddis
Flow: 1,200 cfs optimal
Current RiverMO—Sulfur
Flow: 1,200 cfs optimal
Black River (Cheboygan)MI—Blue-Winged Olive (BWO)
Black River (Cheboygan)MI—Caddis
Chippewa RiverMI—Blue-Winged Olive (BWO)
Flow: 283 cfs optimal
Chippewa RiverMI—Caddis
Flow: 283 cfs optimal
Crystal River (Glen Arbor)MI—Blue-Winged Olive (BWO)
Crystal River (Glen Arbor)MI—Caddis
Dowagiac RiverMI—Blue-Winged Olive (BWO)
Flow: 362 cfs optimal
Dowagiac RiverMI—Caddis
Flow: 362 cfs optimal
Kalamazoo RiverMI—Blue-Winged Olive (BWO)
Flow: 1,020 cfs optimal
Kalamazoo RiverMI—Caddis
Flow: 1,020 cfs optimal
Little Manistee RiverMI—Blue-Winged Olive (BWO)
Little Manistee RiverMI—Caddis
Ocqueoc RiverMI—Blue-Winged Olive (BWO)
Ocqueoc RiverMI—Caddis
Pigeon RiverMI—Blue-Winged Olive (BWO)
Flow: 451 cfs high
Pigeon RiverMI—Caddis
Flow: 451 cfs high
Sturgeon RiverMI—Blue-Winged Olive (BWO)
Flow: 609 cfs high
Sturgeon RiverMI—Hendrickson
Flow: 609 cfs high
Sturgeon RiverMI—Caddis
Flow: 609 cfs high
White RiverMI—Blue-Winged Olive (BWO)
Flow: 487 cfs optimal
White RiverMI—Caddis
Flow: 487 cfs optimal
Big Manistee Lake BranchMI—Blue-Winged Olive (BWO)
Big Manistee Lake BranchMI—Caddis
Maple RiverMI—Blue-Winged Olive (BWO)
Maple RiverMI—Caddis
Greenbrier RiverWV—Blue-Winged Olive (BWO)
Flow: 560 cfs optimal
Greenbrier RiverWV—Caddis
Flow: 560 cfs optimal
Greenbrier RiverWV—March Brown
Flow: 560 cfs optimal
Delaware River — UpperPA—Blue-Winged Olive (BWO)
Delaware River — UpperPA—Hendrickson
Delaware River — UpperPA—Caddis
Loyalsock CreekPA—Blue-Winged Olive (BWO)
Loyalsock CreekPA—Caddis
Loyalsock CreekPA—March Brown
Moose RiverNY—Blue-Winged Olive (BWO)
Moose RiverNY—Caddis
Sacandaga RiverNY—Blue-Winged Olive (BWO)
Flow: 613 cfs optimal
Sacandaga RiverNY—Caddis
Flow: 613 cfs optimal
Sacandaga RiverNY—March Brown
Flow: 613 cfs optimal
Blue RiverCO—Blue-Winged Olive (BWO)
Water: 44°F (need 45°F)Flow: 85 cfs low
Blue RiverCO—Caddis
Water: 44°F (need 50°F)Flow: 85 cfs low
Eagle RiverCO—Blue-Winged Olive
Flow: 463 cfs optimal
Eagle RiverCO—Caddis
Flow: 463 cfs optimal
Crystal RiverCO—Blue-Winged Olive
Flow: 452 cfs optimal
Crystal RiverCO—Caddis
Flow: 452 cfs optimal
Big Hole RiverMT—Blue-Winged Olive
Flow: 1,110 cfs optimal
Clark ForkMT—Caddis
Water: 49°F (need 50°F)Flow: 6,000 cfs optimal
Yellowstone RiverMT—Caddis
Water: 47°F (need 50°F)Flow: 6,020 cfs optimal
Henry's ForkID—Blue-Winged Olive
Flow: 1,140 cfs optimal
Priest RiverID—Caddis
Flow: 2,370 cfs optimal
South Fork Boise RiverID—Blue-Winged Olive
South Fork Boise RiverID—Caddis
Tieton RiverWA—Blue-Winged Olive
Tieton RiverWA—Caddis
Sacramento RiverCA—Blue-Winged Olive
Flow: 10,800 cfs optimal
Sacramento RiverCA—Caddis
Flow: 10,800 cfs optimal
Yuba RiverCA—Blue-Winged Olive
Flow: 1,240 cfs optimal
Yuba RiverCA—Caddis
Flow: 1,240 cfs optimal
Yuba RiverCA—Stonefly
Flow: 1,240 cfs optimal
Mokelumne RiverCA—Blue-Winged Olive
Mokelumne RiverCA—Caddis
East Walker RiverNV—Blue-Winged Olive
Flow: 167 cfs high
East Walker RiverNV—Caddis
Flow: 167 cfs high
Carson River — East ForkNV—Blue-Winged Olive
Flow: 500 cfs optimal
Carson River — East ForkNV—Caddis
Flow: 500 cfs optimal
Logan RiverUT—Blue-Winged Olive
Flow: 311 cfs optimal
Logan RiverUT—Caddis
Flow: 311 cfs optimal
Weber RiverUT—Blue-Winged Olive
Flow: 344 cfs optimal
Weber RiverUT—Caddis
Flow: 344 cfs optimal
Clarks Fork YellowstoneWY—Blue-Winged Olive
Flow: 1,670 cfs optimal
Clarks Fork YellowstoneWY—Caddis
Flow: 1,670 cfs optimal
Greys RiverWY—Blue-Winged Olive
Flow: 1,040 cfs optimal
Greys RiverWY—Caddis
Flow: 1,040 cfs optimal
Hoback RiverWY—Caddis
Water: 49°F (need 50°F)Flow: 958 cfs optimal
Wind RiverWY—Blue-Winged Olive
Flow: 202 cfs low
Wind RiverWY—Caddis
Flow: 202 cfs low
Canadian RiverNM—Blue-Winged Olive
Flow: 4.81 cfs low
Canadian RiverNM—Caddis
Flow: 4.81 cfs low
Jemez RiverNM—Blue-Winged Olive
Flow: 10.6 cfs low
Jemez RiverNM—Caddis
Flow: 10.6 cfs low
Pecos RiverNM—Blue-Winged Olive
Flow: 9.35 cfs low
Pecos RiverNM—Caddis
Flow: 9.35 cfs low
Red RiverNM—Blue-Winged Olive
Flow: 36.3 cfs low
Red RiverNM—Caddis
Flow: 36.3 cfs low
Black RiverAZ—Blue-Winged Olive
Flow: 24 cfs low
Black RiverAZ—Caddis
Flow: 24 cfs low
Bantam RiverCT—Blue-Winged Olive
Bantam RiverCT—Hendrickson
Bantam RiverCT—Caddis
Natchaug RiverCT—Blue-Winged Olive
Flow: 233 cfs optimal
Natchaug RiverCT—Hendrickson
Flow: 233 cfs optimal
Natchaug RiverCT—Caddis
Flow: 233 cfs optimal
Quinnipiac RiverCT—Blue-Winged Olive
Flow: 91.1 cfs low
Quinnipiac RiverCT—Caddis
Flow: 91.1 cfs low
Salmon RiverCT—Blue-Winged Olive
Flow: 82.2 cfs low
Salmon RiverCT—Hendrickson
Flow: 82.2 cfs low
Salmon RiverCT—Caddis
Flow: 82.2 cfs low
Salmon RiverCT—Sulfur
Flow: 82.2 cfs low
Shepaug RiverCT—Blue-Winged Olive
Flow: 23.5 cfs low
Shepaug RiverCT—Hendrickson
Flow: 23.5 cfs low
Shepaug RiverCT—Caddis
Flow: 23.5 cfs low
Brandywine CreekDE—Blue-Winged Olive
Flow: 170 cfs low
Brandywine CreekDE—Caddis
Flow: 170 cfs low
Brandywine CreekDE—Sulfur
Flow: 170 cfs low
Amicalola CreekGA—Caddis
Flow: 80.9 cfs low
Coosawattee RiverGA—Caddis
Flow: 726 cfs optimal
Blue RiverIN—Blue-Winged Olive
Flow: 15,800 cfs flood
Blue RiverIN—Sulfur
Flow: 15,800 cfs flood
Blue RiverIN—Caddis
Flow: 15,800 cfs flood
Upper Iowa RiverIA—Blue-Winged Olive
Flow: 731 cfs optimal
Upper Iowa RiverIA—Caddis
Flow: 731 cfs optimal
Upper Iowa RiverIA—Hendrickson
Flow: 731 cfs optimal
Volga RiverIA—Blue-Winged Olive
Flow: 593 cfs optimal
Volga RiverIA—Caddis
Flow: 593 cfs optimal
Yellow River State ForestIA—Blue-Winged Olive
Flow: 356 cfs optimal
Yellow River State ForestIA—Caddis
Flow: 356 cfs optimal
Allagash Wilderness WaterwayME—Blue-Winged Olive
Allagash Wilderness WaterwayME—Caddis
Dead RiverME—Blue-Winged Olive
Dead RiverME—Caddis
Machias RiverME—Caddis
Rapid RiverME—Blue-Winged Olive
Rapid RiverME—Caddis
Seboeis RiverME—Blue-Winged Olive
Flow: 377 cfs optimal
Seboeis RiverME—Caddis
Flow: 377 cfs optimal
Antietam CreekMD—Blue-Winged Olive
Flow: 122 cfs optimal
Antietam CreekMD—Caddis
Flow: 122 cfs optimal
Antietam CreekMD—Sulfur
Flow: 122 cfs optimal
Gunpowder FallsMD—Blue-Winged Olive
Flow: 76.9 cfs optimal
Gunpowder FallsMD—Hendrickson
Flow: 76.9 cfs optimal
Gunpowder FallsMD—Caddis
Flow: 76.9 cfs optimal
Gunpowder FallsMD—Sulfur
Flow: 76.9 cfs optimal
Youghiogheny River — Maryland SectionMD—Blue-Winged Olive
Flow: 71.4 cfs low
Youghiogheny River — Maryland SectionMD—Caddis
Flow: 71.4 cfs low
Youghiogheny River — Maryland SectionMD—Sulfur
Flow: 71.4 cfs low
Westfield RiverMA—Blue-Winged Olive
Flow: 367 cfs optimal
Westfield RiverMA—Hendrickson
Flow: 367 cfs optimal
Westfield RiverMA—Caddis
Flow: 367 cfs optimal
Cannon RiverMN—Blue-Winged Olive
Flow: 512 cfs optimal
Cannon RiverMN—Caddis
Flow: 512 cfs optimal
Root RiverMN—Blue-Winged Olive
Flow: 931 cfs optimal
Root RiverMN—Caddis
Flow: 931 cfs optimal
Root RiverMN—Hendrickson
Flow: 931 cfs optimal
Eleven Point RiverMO—Blue-Winged Olive
Flow: 473 cfs optimal
Eleven Point RiverMO—Caddis
Flow: 473 cfs optimal
Eleven Point RiverMO—Sulfur
Flow: 473 cfs optimal
North Fork White RiverMO—Blue-Winged Olive
Flow: 506 cfs optimal
North Fork White RiverMO—Caddis
Flow: 506 cfs optimal
North Fork White RiverMO—Sulfur
Flow: 506 cfs optimal
Calamus RiverNE—Blue-Winged Olive
Calamus RiverNE—Caddis
Middle Loup RiverNE—Blue-Winged Olive
Flow: 488 cfs optimal
Middle Loup RiverNE—Caddis
Flow: 488 cfs optimal
Androscoggin RiverNH—Blue-Winged Olive
Flow: 2,670 cfs optimal
Androscoggin RiverNH—Hendrickson
Flow: 2,670 cfs optimal
Androscoggin RiverNH—Caddis
Flow: 2,670 cfs optimal
Connecticut RiverNH—Blue-Winged Olive
Flow: 6,540 cfs optimal
Connecticut RiverNH—Hendrickson
Flow: 6,540 cfs optimal
Connecticut RiverNH—Caddis
Flow: 6,540 cfs optimal
Contoocook RiverNH—Blue-Winged Olive
Flow: 871 cfs optimal
Contoocook RiverNH—Caddis
Flow: 871 cfs optimal
Ellis RiverNH—Blue-Winged Olive
Ellis RiverNH—Caddis
Pemigewasset RiverNH—Blue-Winged Olive
Flow: 2,170 cfs high
Pemigewasset RiverNH—Hendrickson
Flow: 2,170 cfs high
Pemigewasset RiverNH—Caddis
Flow: 2,170 cfs high
Swift RiverNH—Blue-Winged Olive
Swift RiverNH—Caddis
Musconetcong RiverNJ—Blue-Winged Olive
Flow: 108 cfs optimal
Musconetcong RiverNJ—Hendrickson
Flow: 108 cfs optimal
Musconetcong RiverNJ—Caddis
Flow: 108 cfs optimal
Musconetcong RiverNJ—Sulfur
Flow: 108 cfs optimal
Paulins KillNJ—Blue-Winged Olive
Flow: 54 cfs low
Paulins KillNJ—Hendrickson
Flow: 54 cfs low
Paulins KillNJ—Caddis
Flow: 54 cfs low
Raritan RiverNJ—Caddis
San Antonio CreekNM—Blue-Winged Olive
San Antonio CreekNM—Caddis
Green River NarrowsNC—Caddis
Linville RiverNC—Caddis
Flow: 18 cfs low
Linville RiverNC—Sulfur
Flow: 18 cfs low
Nolichucky River — NC SectionNC—Caddis
Tuckasegee RiverNC—Caddis
Flow: 521 cfs optimal
Tuckasegee RiverNC—Sulfur
Flow: 521 cfs optimal
Watauga RiverNC—Caddis
Flow: 36.7 cfs low
Watauga RiverNC—Sulfur
Flow: 36.7 cfs low
Chagrin RiverOH—Caddis
Flow: 216 cfs optimal
Mad RiverOH—Blue-Winged Olive
Flow: 141 cfs low
Mad RiverOH—Caddis
Flow: 141 cfs low
Mad RiverOH—Sulfur
Flow: 141 cfs low
Blue RiverOK—Caddis
Flow: 84.7 cfs low
Chipuxet RiverRI—Blue-Winged Olive
Flow: 9.22 cfs low
Chipuxet RiverRI—Caddis
Flow: 9.22 cfs low
Hunt RiverRI—Blue-Winged Olive
Hunt RiverRI—Caddis
Wood RiverRI—Blue-Winged Olive
Flow: 36.9 cfs low
Wood RiverRI—Hendrickson
Flow: 36.9 cfs low
Wood RiverRI—Caddis
Flow: 36.9 cfs low
Chattooga River — SC SectionSC—Caddis
Flow: 207 cfs low
Rapid CreekSD—Blue-Winged Olive
Flow: 86.6 cfs optimal
Rapid CreekSD—Caddis
Flow: 86.6 cfs optimal
Spearfish CreekSD—Blue-Winged Olive
Flow: 48.5 cfs low
Spearfish CreekSD—Caddis
Flow: 48.5 cfs low
Spearfish CreekSD—Stonefly
Flow: 48.5 cfs low
Caney ForkTN—Caddis
Flow: 801 cfs optimal
Caney ForkTN—Sulfur
Flow: 801 cfs optimal
BattenkillVT—Blue-Winged Olive
BattenkillVT—Hendrickson
BattenkillVT—Caddis
BattenkillVT—March Brown
BattenkillVT—Sulfur
Lamoille RiverVT—Blue-Winged Olive
Flow: 735 cfs optimal
Lamoille RiverVT—Caddis
Flow: 735 cfs optimal
Lamoille RiverVT—Hendrickson
Flow: 735 cfs optimal
Mad RiverVT—Blue-Winged Olive
Flow: 261 cfs optimal
Mad RiverVT—Hendrickson
Flow: 261 cfs optimal
Mad RiverVT—Caddis
Flow: 261 cfs optimal
Missisquoi RiverVT—Blue-Winged Olive
Flow: 1,710 cfs optimal
Missisquoi RiverVT—Caddis
Flow: 1,710 cfs optimal
Otter CreekVT—Blue-Winged Olive
Flow: 691 cfs optimal
Otter CreekVT—Caddis
Flow: 691 cfs optimal
White RiverVT—Blue-Winged Olive
Flow: 1,490 cfs optimal
White RiverVT—Hendrickson
Flow: 1,490 cfs optimal
White RiverVT—Caddis
Flow: 1,490 cfs optimal
White RiverVT—Sulfur
Flow: 1,490 cfs optimal
Winooski RiverVT—Blue-Winged Olive
Flow: 990 cfs optimal
Winooski RiverVT—Caddis
Flow: 990 cfs optimal
Kickapoo RiverWI—Blue-Winged Olive
Flow: 343 cfs optimal
Kickapoo RiverWI—Hendrickson
Flow: 343 cfs optimal
Kickapoo RiverWI—Caddis
Flow: 343 cfs optimal
Pine RiverWI—Blue-Winged Olive
Pine RiverWI—Caddis
Fryingpan RiverCO—Midges
Flow: 110 cfs low
Cold tailwater fishes year-round
Fryingpan RiverCO—Blue-Winged Olive (BWO)
Flow: 110 cfs low
South Platte RiverCO—Midges
Flow: 145 cfs low
South Platte RiverCO—Blue-Winged Olive (BWO)
Flow: 145 cfs low
South Platte RiverCO—Caddis
Flow: 145 cfs low
Cache la PoudreCO—Blue-Winged Olive (BWO)
Cache la PoudreCO—Caddis
Shavers ForkWV—Blue-Winged Olive (BWO)
Flow: 103 cfs low
Shavers ForkWV—Hendrickson Mayfly
Flow: 103 cfs low
Shavers ForkWV—Caddis
Flow: 103 cfs low
Shavers ForkWV—Sulfur
Flow: 103 cfs low
Williams RiverWV—Blue-Winged Olive (BWO)
Flow: 69.9 cfs low
Williams RiverWV—Hendrickson Mayfly
Flow: 69.9 cfs low
Williams RiverWV—Caddis
Flow: 69.9 cfs low
Williams RiverWV—Sulfur
Flow: 69.9 cfs low
Little Juniata RiverPA—Blue-Winged Olive (BWO)
Flow: 185 cfs optimal
Little Juniata RiverPA—Hendrickson Mayfly
Flow: 185 cfs optimal
Little Juniata RiverPA—Caddis
Flow: 185 cfs optimal
Grannom hatch in late April is famous
Little Juniata RiverPA—March Brown
Flow: 185 cfs optimal
Kettle CreekPA—Blue-Winged Olive (BWO)
Flow: 323 cfs optimal
Kettle CreekPA—Hendrickson Mayfly
Flow: 323 cfs optimal
Kettle CreekPA—Caddis
Flow: 323 cfs optimal
Kettle CreekPA—March Brown
Flow: 323 cfs optimal
Kettle CreekPA—Slate Drake (Isonychia)
Flow: 323 cfs optimal
Feather RiverCA—Caddis
Feather RiverCA—Pale Morning Dun (PMD)
Kings RiverCA—Blue-Winged Olive (BWO)
Kings RiverCA—Caddis
Pit RiverCA—Midges
Pit RiverCA—Blue-Winged Olive (BWO)
Pit RiverCA—Caddis
Heavy caddis hatches are the Pit’s hallmark — fish nymphs deep
Upper NantahalaNC—Blue-Winged Olive (BWO)
Flow: 93.7 cfs low
Upper NantahalaNC—Caddis
Flow: 93.7 cfs low
Upper NantahalaNC—Sulfur
Flow: 93.7 cfs low
Chattooga River — MainSC—Blue-Winged Olive (BWO)
Flow: 207 cfs low
Chattooga River — MainSC—Caddis
Flow: 207 cfs low
Chattooga River — MainSC—Sulfur
Flow: 207 cfs low
Tellico RiverTN—Yellow Sally Stonefly
Flow: 90 cfs low
Tellico RiverTN—Sulfur
Flow: 90 cfs low
Holston River — South Holston TailwaterTN—Sulfur
The South Holston signature hatch — most consistent and predictable in the region
Holston River — South Holston TailwaterTN—Caddis
Holston River — South Holston TailwaterTN—Midges
Year-round midge fishing in the cold tailwater
Rapidan RiverVA—Hendrickson
Flow: 107 cfs low
Rapidan RiverVA—March Brown
Flow: 107 cfs low
Rapidan RiverVA—Sulfur
Flow: 107 cfs low
Rapidan RiverVA—Yellow Sally Stonefly
Flow: 107 cfs low
Penns CreekPA—Blue-Winged Olive
Flow: 238 cfs optimal
Penns CreekPA—Grannom Caddis
Flow: 238 cfs optimal
Penns CreekPA—March Brown
Flow: 238 cfs optimal
Penns CreekPA—Sulfur
Flow: 238 cfs optimal
Spring CreekPA—Blue-Winged Olive
Flow: 79.6 cfs optimal
Spring CreekPA—Sulfur
Flow: 79.6 cfs optimal
Spring CreekPA—Caddis
Flow: 79.6 cfs optimal
Spring CreekPA—Midges
Flow: 79.6 cfs optimal
Cold spring water supports midges all year
Slate RunPA—Blue-Winged Olive
Flow: 829 cfs flood
Slate RunPA—Hendrickson
Flow: 829 cfs flood
Slate RunPA—Grannom Caddis
Flow: 829 cfs flood
Slate RunPA—Sulfur
Flow: 829 cfs flood
Brodhead CreekPA—Blue-Winged Olive
Flow: 238 cfs optimal
Brodhead CreekPA—Grannom Caddis
Flow: 238 cfs optimal
Brodhead CreekPA—Sulfur
Flow: 238 cfs optimal
Abrams CreekTN—Yellow Sally Stonefly
Citico CreekTN—Blue-Winged Olive
Citico CreekTN—Yellow Sally Stonefly
Clinch River — Norris TailwaterTN—Blue-Winged Olive
Clinch River — Norris TailwaterTN—Sulfur
Clinch River — Norris TailwaterTN—Caddis
Clinch River — Norris TailwaterTN—Midges
Critical year-round food source in the cold tailwater
Mossy CreekVA—Blue-Winged Olive
Mossy CreekVA—Sulfur
Mossy CreekVA—Caddis
Mossy CreekVA—Midges
Cold spring water supports midges all year
South River — WaynesboroVA—Blue-Winged Olive
Flow: 28.8 cfs low
South River — WaynesboroVA—Sulfur
Flow: 28.8 cfs low
South River — WaynesboroVA—Caddis
Flow: 28.8 cfs low
Cumberland River — Wolf Creek TailwaterKY—Midges
Flow: 167 cfs low
Primary food source in the cold tailwater
Cumberland River — Wolf Creek TailwaterKY—Blue-Winged Olive
Flow: 167 cfs low
Cumberland River — Wolf Creek TailwaterKY—Sulfur
Flow: 167 cfs low
Cumberland River — Wolf Creek TailwaterKY—Caddis
Flow: 167 cfs low
Hatchery CreekKY—Midges
Hatchery CreekKY—Blue-Winged Olive
Hatchery CreekKY—Caddis
Hatchery CreekKY—Sulfur
Hazel CreekNC—Blue-Winged Olive
Hazel CreekNC—Yellow Sally Stonefly
Wilson CreekNC—Blue-Winged Olive
Wilson CreekNC—Yellow Sally Stonefly
South Toe RiverNC—Blue-Winged Olive
Flow: 34 cfs low
South Toe RiverNC—Yellow Sally Stonefly
Flow: 34 cfs low
Seneca CreekWV—Blue-Winged Olive
Seneca CreekWV—Hendrickson
Seneca CreekWV—Yellow Sally Stonefly
Dry ForkWV—Blue-Winged Olive
Flow: 154 cfs low
Dry ForkWV—Hendrickson
Flow: 154 cfs low
Dry ForkWV—Yellow Sally Stonefly
Flow: 154 cfs low
West Branch Ausable RiverNY—Hendrickson
Flow: 1,030 cfs high
West Branch Ausable RiverNY—March Brown
Flow: 1,030 cfs high
West Branch Ausable RiverNY—Sulfur
Flow: 1,030 cfs high
Boyne RiverMI—Blue-Winged Olive (BWO)
Boyne RiverMI—Hendrickson
Boyne RiverMI—Caddis
Bois Brule RiverWI—Blue-Winged Olive
Flow: 189 cfs optimal
Bois Brule RiverWI—Hendrickson
Flow: 189 cfs optimal
Whitewater RiverMN—Blue-Winged Olive
Whitewater RiverMN—Hendrickson
Whitewater RiverMN—Sulfur
Whitewater RiverMN—Caddis
Saco RiverNH—Green Drake
Flow: 1,700 cfs optimal2 days until peak
Pere Marquette RiverMI—Sulfur
Flow: 808 cfs optimal2 days until peak
Pere Marquette RiverMI—Brown Drake
Flow: 808 cfs optimal2 days until peak
Boardman RiverMI—Sulfur
2 days until peak
Jordan RiverMI—Sulfur
Flow: 285 cfs optimal2 days until peak
Lehigh RiverPA—Sulfur
Flow: 1,140 cfs optimal2 days until peak
Penobscot River — West BranchME—Hendrickson
Flow: 2,610 cfs optimal2 days until peak
Kennebec River — The ForksME—Hendrickson
Flow: 377 cfs optimal2 days until peak
Hudson River GorgeNY—Hendrickson
Flow: 1,440 cfs low2 days until peak
Farmington RiverCT—Sulfur
Flow: 441 cfs optimal2 days until peak
Farmington RiverCT—Green Drake
Flow: 441 cfs optimal2 days until peak
Dowagiac RiverMI—Sulfur
Flow: 362 cfs optimal2 days until peak
Delaware River — UpperPA—Green Drake
2 days until peak
Delaware River — UpperPA—Sulfur
2 days until peak
Loyalsock CreekPA—Sulfur
2 days until peak
Little Juniata RiverPA—Sulfur
Flow: 185 cfs optimal2 days until peak
Premier sulfur hatch — evening rises into July
Little Juniata RiverPA—Green Drake
Flow: 185 cfs optimal2 days until peak
Limited but present — limestone bug
Kettle CreekPA—Sulfur
Flow: 323 cfs optimal2 days until peak
Penns CreekPA—Green Drake (Ephemera guttulata)
Flow: 238 cfs optimal2 days until peak
The legendary Penns Creek green drake — one of the great hatches in American fly fishing. Brings out trophy browns from undercut banks.
Brodhead CreekPA—Green Drake
Flow: 238 cfs optimal2 days until peak
Boyne RiverMI—Sulfur
2 days until peak
Boyne RiverMI—Brown Drake
2 days until peak
Bois Brule RiverWI—Sulfur
Flow: 189 cfs optimal2 days until peak
Bois Brule RiverWI—Brown Drake
Flow: 189 cfs optimal2 days until peak
Arkansas RiverCO—Stonefly (Golden Stone, Salmonfly)
Flow: 337 cfs low12 days until peak
Big dry fly fishing
Arkansas RiverCO—Pale Morning Dun (PMD)
Flow: 337 cfs low12 days until peak
Gallatin RiverMT—Salmonfly / Golden Stone
Flow: 1,230 cfs optimal12 days until peak
Gallatin RiverMT—Pale Morning Dun
Flow: 1,230 cfs optimal12 days until peak
Blackfoot RiverMT—Salmonfly
Water: 47°F (need 50°F)Flow: 3,960 cfs optimal12 days until peak
Blackfoot RiverMT—PMD / Green Drake
Water: 47°F (need 55°F)Flow: 3,960 cfs optimal12 days until peak
Deerfield RiverMA—Isonychia
Flow: 609 cfs optimal12 days until peak
Saco RiverNH—Sulfur
Flow: 1,700 cfs optimal12 days until peak
Salmon River — MainID—Salmonfly
Flow: 3,820 cfs optimal12 days until peak
Major hatch — draws big cutthroat to the surface
Salmon River — MainID—Golden Stonefly
Flow: 3,820 cfs optimal12 days until peak
Salmon River — MainID—Pale Morning Dun
Flow: 3,820 cfs optimal12 days until peak
Salmon River — MainID—Caddis
Flow: 3,820 cfs optimal12 days until peak
Lochsa RiverID—Salmonfly
Flow: 5,620 cfs high12 days until peak
Brief but intense emergence
Lochsa RiverID—Golden Stonefly
Flow: 5,620 cfs high12 days until peak
Lochsa RiverID—Pale Morning Dun
Flow: 5,620 cfs high12 days until peak
Middle Fork of the SalmonID—Salmonfly
Flow: 4,120 cfs optimal12 days until peak
Legendary hatch on the Middle Fork — fish go berserk
Middle Fork of the SalmonID—Golden Stonefly
Flow: 4,120 cfs optimal12 days until peak
Middle Fork of the SalmonID—Caddis
Flow: 4,120 cfs optimal12 days until peak
Middle Fork of the SalmonID—Pale Morning Dun
Flow: 4,120 cfs optimal12 days until peak
Flathead River — Middle ForkMT—Salmonfly
Flow: 6,100 cfs optimal12 days until peak
Flathead River — Middle ForkMT—Golden Stonefly
Flow: 6,100 cfs optimal12 days until peak
Flathead River — Middle ForkMT—Pale Morning Dun
Flow: 6,100 cfs optimal12 days until peak
Stillwater RiverMT—Salmonfly
12 days until peak
Stillwater RiverMT—Golden Stonefly
12 days until peak
Stillwater RiverMT—Pale Morning Dun
12 days until peak
Snake River — Snake River CanyonWY—Pale Morning Dun
Water: 48°F (need 55°F)Flow: 7,330 cfs optimal12 days until peak
Green River — Flaming GorgeWY—Pale Morning Dun
Water: 56°F ✓Flow: 905 cfs optimal12 days until peak
North Platte River — Northgate CanyonWY—Pale Morning Dun
Flow: 842 cfs optimal12 days until peak
Cache la PoudreCO—Stonefly (Golden Stone)
Flow: 166 cfs low12 days until peak
Cache la PoudreCO—Pale Morning Dun
Flow: 166 cfs low12 days until peak
Rogue RiverOR—Golden Stonefly
Water: 60°F ✓Flow: 2,170 cfs optimal12 days until peak
Deschutes RiverOR—Golden Stonefly
Water: 57°F ✓Flow: 3,790 cfs optimal12 days until peak
Deschutes RiverOR—Pale Morning Dun
Water: 57°F ✓Flow: 3,790 cfs optimal12 days until peak
McKenzie RiverOR—Golden Stonefly
Water: 57°F ✓Flow: 2,560 cfs optimal12 days until peak
North Umpqua RiverOR—Golden Stonefly
12 days until peak
Wenatchee RiverWA—Salmonfly
Water: 53°F ✓Flow: 3,990 cfs optimal12 days until peak
Wenatchee RiverWA—Pale Morning Dun
Water: 53°F (need 55°F)Flow: 3,990 cfs optimal12 days until peak
Skagit RiverWA—Pink Albert (Pink Cahill)
Water: 46°F (need 55°F)Flow: 3,970 cfs low12 days until peak
Tuolumne RiverCA—Golden Stonefly
Water: 50°F (need 52°F)Flow: 967 cfs optimal12 days until peak
Tuolumne RiverCA—Pale Morning Dun
Water: 50°F (need 55°F)Flow: 967 cfs optimal12 days until peak
Kern RiverCA—Golden Stonefly
Flow: 101 cfs low12 days until peak
Kern RiverCA—Pale Morning Dun
Flow: 101 cfs low12 days until peak
Merced RiverCA—Golden Stonefly
Water: 52°F ✓Flow: 612 cfs optimal12 days until peak
Merced RiverCA—Pale Morning Dun
Water: 52°F (need 55°F)Flow: 612 cfs optimal12 days until peak
Truckee RiverNV—Pale Morning Dun
Flow: 998 cfs optimal12 days until peak
Truckee RiverNV—Golden Stonefly
Flow: 998 cfs optimal12 days until peak
San Juan RiverUT—Pale Morning Dun
Water: 68°F ✓Flow: 1,000 cfs optimal12 days until peak
Rio Grande — Taos BoxNM—Stonefly
Flow: 216 cfs low12 days until peak
Rio Grande — Taos BoxNM—Pale Morning Dun
Flow: 216 cfs low12 days until peak
Rio ChamaNM—Pale Morning Dun
Flow: 136 cfs low12 days until peak
Gila RiverNM—Pale Morning Dun
Flow: 21.4 cfs low12 days until peak
Youghiogheny RiverPA—Light Cahill
Water: 69°F ✓Flow: 190 cfs low12 days until peak
Pine CreekPA—Slate Drake
Water: 70°F ✓Flow: 1,210 cfs optimal12 days until peak
Lehigh RiverPA—Isonychia
Flow: 1,140 cfs optimal12 days until peak
Hiwassee RiverTN—Light Cahill
12 days until peak
Chattahoochee River — Metro AtlantaGA—Terrestrials
Water: 74°F ✓Flow: 928 cfs optimal12 days until peak
Penobscot River — West BranchME—Green Drake
Flow: 2,610 cfs optimal12 days until peak
Kennebec River — The ForksME—Green Drake
Flow: 377 cfs optimal12 days until peak
Hudson River GorgeNY—Green Drake
Flow: 1,440 cfs low12 days until peak
Housatonic RiverCT—Isonychia
Flow: 542 cfs optimal12 days until peak
Farmington RiverCT—Isonychia
Flow: 441 cfs optimal12 days until peak
Delaware River — UpperPA—Isonychia
12 days until peak
Delaware River — UpperNY—Isonychia
Water: 69°F ✓Flow: 3,220 cfs optimal12 days until peak
Beaverkill RiverNY—Isonychia
Water: 67°F ✓Flow: 515 cfs high12 days until peak
Blue RiverCO—Pale Morning Dun
Water: 44°F (need 55°F)Flow: 85 cfs low12 days until peak
Eagle RiverCO—Stonefly (Golden Stone)
Flow: 463 cfs optimal12 days until peak
Eagle RiverCO—Pale Morning Dun
Flow: 463 cfs optimal12 days until peak
Dolores RiverUT—Stonefly
Water: 67°F ✓Flow: 213 cfs low12 days until peak
Roaring Fork RiverCO—Pale Morning Dun
Water: 52°F (need 55°F)Flow: 965 cfs low12 days until peak
Crystal RiverCO—Pale Morning Dun
Flow: 452 cfs optimal12 days until peak
Big Hole RiverMT—Salmonfly
Flow: 1,110 cfs optimal12 days until peak
Big Hole RiverMT—Golden Stonefly
Flow: 1,110 cfs optimal12 days until peak
Big Hole RiverMT—Pale Morning Dun
Flow: 1,110 cfs optimal12 days until peak
Clark ForkMT—Salmonfly
Water: 49°F (need 50°F)Flow: 6,000 cfs optimal12 days until peak
Clark ForkMT—Pale Morning Dun
Water: 49°F (need 55°F)Flow: 6,000 cfs optimal12 days until peak
Missouri River — Upper Missouri BreaksMT—Pale Morning Dun
Water: 51°F (need 55°F)Flow: 4,840 cfs low12 days until peak
Yellowstone RiverMT—Salmonfly
Water: 47°F (need 50°F)Flow: 6,020 cfs optimal12 days until peak
Legendary hatch on the Yellowstone
Yellowstone RiverMT—Golden Stonefly
Water: 47°F (need 52°F)Flow: 6,020 cfs optimal12 days until peak
Yellowstone RiverMT—Pale Morning Dun
Water: 47°F (need 55°F)Flow: 6,020 cfs optimal12 days until peak
Madison RiverMT—Salmonfly
Water: 53°F ✓Flow: 1,230 cfs optimal12 days until peak
Madison RiverMT—Golden Stonefly
Water: 53°F ✓Flow: 1,230 cfs optimal12 days until peak
Madison RiverMT—Pale Morning Dun
Water: 53°F (need 55°F)Flow: 1,230 cfs optimal12 days until peak
Henry's ForkID—Green Drake
Flow: 1,140 cfs optimal12 days until peak
The signature hatch — selective fish on flat water
Henry's ForkID—Pale Morning Dun
Flow: 1,140 cfs optimal12 days until peak
Henry's ForkID—Caddis
Flow: 1,140 cfs optimal12 days until peak
Priest RiverID—Stonefly
Flow: 2,370 cfs optimal12 days until peak
Selway RiverID—Salmonfly
Flow: 7,480 cfs high12 days until peak
Selway RiverID—Golden Stonefly
Flow: 7,480 cfs high12 days until peak
Selway RiverID—Caddis
Flow: 7,480 cfs high12 days until peak
South Fork Boise RiverID—Pale Morning Dun
12 days until peak
John Day RiverOR—Golden Stonefly
Water: 69°F ✓Flow: 1,120 cfs optimal12 days until peak
Tieton RiverWA—Pale Morning Dun
12 days until peak
Sacramento RiverCA—Pale Morning Dun
Flow: 10,800 cfs optimal12 days until peak
Walker RiverNV—Pale Morning Dun
Water: 65°F ✓Flow: 135 cfs optimal12 days until peak
East Walker RiverNV—Pale Morning Dun
Flow: 167 cfs high12 days until peak
Provo RiverUT—Pale Morning Dun
Water: 55°F ✓Flow: 190 cfs low12 days until peak
Logan RiverUT—Pale Morning Dun
Flow: 311 cfs optimal12 days until peak
Weber RiverUT—Pale Morning Dun
Flow: 344 cfs optimal12 days until peak
Clarks Fork YellowstoneWY—Golden Stonefly
Flow: 1,670 cfs optimal12 days until peak
Clarks Fork YellowstoneWY—Pale Morning Dun
Flow: 1,670 cfs optimal12 days until peak
Greys RiverWY—Pale Morning Dun
Flow: 1,040 cfs optimal12 days until peak
Hoback RiverWY—Pale Morning Dun
Water: 49°F (need 55°F)Flow: 958 cfs optimal12 days until peak
Shoshone RiverWY—Pale Morning Dun
Water: 58°F ✓Flow: 417 cfs low12 days until peak
Wind RiverWY—Pale Morning Dun
Flow: 202 cfs low12 days until peak
Pecos RiverNM—Pale Morning Dun
Flow: 9.35 cfs low12 days until peak
Colorado River — Glenwood CanyonCO—PMD (Pale Morning Dun)
Water: 52°F (need 55°F)Flow: 965 cfs low12 days until peak
Allagash Wilderness WaterwayME—Hex (Hexagenia)
12 days until peak
Rapid RiverME—Hex (Hexagenia)
12 days until peak
San Antonio CreekNM—PMD (Pale Morning Dun)
12 days until peak
Rapid CreekSD—PMD (Pale Morning Dun)
Flow: 86.6 cfs optimal12 days until peak
Green River — Lodore CanyonCO—Pale Morning Dun (PMD)
Water: 50°F (need 55°F)Flow: 1,680 cfs optimal12 days until peak
Colorado River — Glenwood CanyonCO—Pale Morning Dun (PMD)
Water: 52°F (need 55°F)Flow: 965 cfs low12 days until peak
Colorado River — Glenwood CanyonCO—Yellow Sally (Stonefly)
Water: 52°F ✓Flow: 965 cfs low12 days until peak
Taylor RiverCO—Caddis
Water: 52°F ✓Flow: 253 cfs low12 days until peak
Taylor RiverCO—Pale Morning Dun (PMD)
Water: 52°F (need 55°F)Flow: 253 cfs low12 days until peak
Fryingpan RiverCO—Pale Morning Dun (PMD)
Flow: 110 cfs low12 days until peak
South Platte RiverCO—Pale Morning Dun (PMD)
Flow: 145 cfs low12 days until peak
Cache la PoudreCO—Pale Morning Dun (PMD)
12 days until peak
Cache la PoudreCO—Salmonfly
12 days until peak
Brief window during peak runoff
Cache la PoudreCO—Yellow Sally
12 days until peak
Gunnison River — MainCO—Golden Stonefly
Water: 62°F ✓Flow: 747 cfs low12 days until peak
Gunnison River — MainCO—Pale Morning Dun (PMD)
Water: 62°F ✓Flow: 747 cfs low12 days until peak
Colorado River — UpperCO—Pale Morning Dun (PMD)
Water: 52°F (need 55°F)Flow: 324 cfs low12 days until peak
Colorado River — UpperCO—Yellow Sally
Water: 52°FFlow: 324 cfs low12 days until peak
Kings RiverCA—Pale Morning Dun (PMD)
12 days until peak
Kings RiverCA—Golden Stonefly
12 days until peak
Truckee RiverCA—Pale Morning Dun (PMD)
Water: 53°F (need 55°F)Flow: 1,190 cfs optimal12 days until peak
Truckee RiverCA—Golden Stonefly
Water: 53°F ✓Flow: 1,190 cfs optimal12 days until peak
Pit RiverCA—Pale Morning Dun (PMD)
12 days until peak
Pit RiverCA—Golden Stonefly
12 days until peak
Tellico RiverTN—Light Cahill
Flow: 90 cfs low12 days until peak
Rapidan RiverVA—Terrestrials
Flow: 107 cfs low12 days until peak
Penns CreekPA—Slate Drake
Flow: 238 cfs optimal12 days until peak
Slate RunPA—Light Cahill
Flow: 829 cfs flood12 days until peak
Slate RunPA—Slate Drake
Flow: 829 cfs flood12 days until peak
Brodhead CreekPA—Light Cahill
Flow: 238 cfs optimal12 days until peak
Abrams CreekTN—Light Cahill
12 days until peak
Mossy CreekVA—Terrestrials (cricket, beetle, ant)
12 days until peak
Trophy browns key on terrestrials in summer
Jackson River — Lake Moomaw TailwaterVA—Light Cahill
Water: 66°F ✓12 days until peak
South River — WaynesboroVA—Terrestrials
Flow: 28.8 cfs low12 days until peak
Hazel CreekNC—Light Cahill
12 days until peak
Wilson CreekNC—Light Cahill
12 days until peak
South Toe RiverNC—Light Cahill
Flow: 34 cfs low12 days until peak
Seneca CreekWV—Terrestrials
12 days until peak
Dry ForkWV—Light Cahill
Flow: 154 cfs low12 days until peak
Dry ForkWV—Terrestrials
Flow: 154 cfs low12 days until peak
West Branch Ausable RiverNY—Light Cahill
Flow: 1,030 cfs high12 days until peak
West Branch Ausable RiverNY—Isonychia (Slate Drake)
Flow: 1,030 cfs high12 days until peak
Willowemoc CreekNY—Light Cahill
Water: 64°F ✓Flow: 116 cfs optimal12 days until peak
Willowemoc CreekNY—Isonychia
Water: 64°F ✓Flow: 116 cfs optimal12 days until peak
Neversink RiverNY—Light Cahill
Water: 61°F ✓Flow: 126 cfs optimal12 days until peak
Neversink RiverNY—Isonychia
Water: 61°F ✓Flow: 126 cfs optimal12 days until peak