Live Fly Fishing Conditions
Current Hatch Conditions
Real-time hatch status across 577 rivers in 16 states. Based on live USGS water temperature and seasonal timing.
18 active2 imminent20 approaching
Active Now(18)
Arkansas RiverCO—Midge
Water: 58°F ✓Flow: 339 cfs lowPeak conditions
Snake River — Snake River CanyonWY—October Caddis
Water: 46°F ✓Flow: 1,870 cfs lowPeak conditions
Green River — Flaming GorgeWY—Midge
Water: 49°F ✓Flow: 814 cfs optimalPeak conditions
Rogue RiverOR—October Caddis
Water: 47°F ✓Flow: 1,130 cfs optimalPeak conditions
McKenzie RiverOR—October Caddis
Water: 48°F ✓Flow: 1,690 cfs optimalPeak conditions
Trinity RiverCA—October Caddis
Water: 55°F ✓Flow: 628 cfs optimalPeak conditions
Colorado River — Grand CanyonAZ—Midge
Water: 63°F ✓Flow: 7,470 cfs lowPeak conditions
Dominant food source at Lees Ferry — size 18–24
Colorado River — Grand CanyonAZ—Scud/Amphipod
Water: 63°F ✓Flow: 7,470 cfs lowPeak conditions
Not a hatch but a critical subsurface food source below the dam
Chattahoochee River — Metro AtlantaGA—Midge
Water: 60°F ✓Flow: 1,030 cfs optimalPeak conditions
Primary food source in tailwater
Blue RiverCO—Midge
Water: 51°F ✓Flow: 35.5 cfs lowPeak conditions
Missouri River — Upper Missouri BreaksMT—Midge
Water: 44°F ✓Flow: 4,010 cfs lowPeak conditions
Madison RiverMT—October Caddis
Water: 46°F ✓Flow: 1,410 cfs optimalPeak conditions
Taylor RiverCO—Midges
Water: 45°F ✓Flow: 143 cfs lowPeak conditions
Tailwater stays cold and midges hatch all winter
Gunnison River — MainCO—Midges
Water: 52°F ✓Flow: 892 cfs optimalPeak conditions
Cold tailwater fishes year-round in the canyon
Truckee RiverCA—Midges
Water: 52°F ✓Flow: 396 cfs optimalPeak conditions
Deschutes RiverOR—October Caddis
Water: 56°F ✓Flow: 3,790 cfs optimalActive
Size 8 — best late season dry fly action
Taylor RiverCO—Mysis Shrimp
Water: 45°FFlow: 143 cfs lowActive
Mysis flushed from the reservoir feed trophy fish in the Hog Trough
Fryingpan RiverCO—Mysis Shrimp
Flow: 46.6 cfs lowActive
Hallmark of the Frying Pan — flushed from Ruedi, fuels trophy rainbows
Imminent (within 7 days)(2)
Lower Mountain ForkOK—Midge
Water: 69°F ✓Flow: 180 cfs low6 days until peak
Saluda RiverSC—Midge
Water: 63°F ✓Flow: 1,950 cfs optimal6 days until peak
Approaching (within 30 days)(20)
Gallatin RiverMT—October Caddis
Flow: 381 cfs low
Stillwater RiverMT—October Caddis
North Platte River — Northgate CanyonWY—Midge
Flow: 39.2 cfs low
The bread-and-butter pattern on the Miracle Mile
North Umpqua RiverOR—October Caddis
Truckee RiverNV—October Caddis
Flow: 364 cfs optimal
San Juan RiverUT—Midge
Flow: 19,300 cfs flood
The San Juan is a midge factory — size 22–28. This is THE pattern to master here
Toccoa RiverGA—Midge
Sacramento RiverCA—October Caddis
Flow: 6,780 cfs optimal
Best fall dry fly action
Fryingpan RiverCO—Midges
Flow: 46.6 cfs low
Cold tailwater fishes year-round
South Platte RiverCO—Midges
Flow: 105 cfs low
Feather RiverCA—Blue-Winged Olive (BWO)
Cool-season tailwater hatch
Pit RiverCA—Midges
Holston River — South Holston TailwaterTN—Midges
Year-round midge fishing in the cold tailwater
Spring CreekPA—Midges
Flow: 69.7 cfs optimal
Cold spring water supports midges all year
Clinch River — Norris TailwaterTN—Midges
Critical year-round food source in the cold tailwater
Mossy CreekVA—Midges
Cold spring water supports midges all year
Cumberland River — Wolf Creek TailwaterKY—Midges
Flow: 145 cfs low
Primary food source in the cold tailwater
Hatchery CreekKY—Midges
North Fork White RiverMO—Midge
Flow: 299 cfs optimal6 days until peak
Caney ForkTN—Midge
Flow: 361 cfs optimal6 days until peak