Live Fly Fishing Conditions
Current Hatch Conditions
Real-time hatch status across 577 rivers in 33 states. Based on live USGS water temperature and seasonal timing.
44 active115 approaching
Active Now(44)
Au Sable RiverMI—Trico
Water: 73°F ✓Flow: 1,370 cfs highPeak conditions
Early morning spinner falls
Au Sable RiverMI—Terrestrials (hoppers, ants, beetles)
Water: 73°F ✓Flow: 1,370 cfs highPeak conditions
Pine RiverMI—Terrestrials
Water: 61°F ✓Flow: 220 cfs optimalPeak conditions
Manistee RiverMI—Trico
Water: 65°F ✓Flow: 1,070 cfs optimalPeak conditions
Blackfoot RiverMT—Hopper/Dropper
Water: 60°F ✓Flow: 620 cfs lowPeak conditions
Muskegon RiverMI—Terrestrials
Water: 73°F ✓Flow: 1,190 cfs optimalPeak conditions
Green River — Flaming GorgeWY—Midge
Water: 65°F ✓Flow: 622 cfs lowPeak conditions
Green River — Flaming GorgeWY—Hopper/Dropper
Water: 65°F ✓Flow: 622 cfs lowPeak conditions
McKenzie RiverOR—October Caddis
Water: 53°F ✓Flow: 1,750 cfs optimalPeak conditions
Wenatchee RiverWA—Hopper/Dropper
Water: 65°F ✓Flow: 308 cfs lowPeak conditions
Tuolumne RiverCA—Hopper/Dropper
Water: 61°F ✓Flow: 28.5 cfs lowPeak conditions
Colorado River — Grand CanyonAZ—Midge
Water: 70°F ✓Flow: 7,470 cfs lowPeak conditions
Dominant food source at Lees Ferry — size 18–24
Colorado River — Grand CanyonAZ—Scud/Amphipod
Water: 70°F ✓Flow: 7,470 cfs lowPeak conditions
Not a hatch but a critical subsurface food source below the dam
Youghiogheny RiverPA—Terrestrials
Water: 74°F ✓Flow: 132 cfs lowPeak conditions
Pine CreekPA—Terrestrials
Water: 73°F ✓Flow: 241 cfs lowPeak conditions
Chattahoochee River — Metro AtlantaGA—Terrestrials
Water: 71°F ✓Flow: 1,260 cfs optimalPeak conditions
Au Sable South BranchMI—Trico
Water: 67°F ✓Flow: 189 cfs optimalPeak conditions
Blue RiverCO—Midge
Water: 54°F ✓Flow: 31 cfs lowPeak conditions
Clark ForkMT—Hopper/Dropper
Water: 60°F ✓Flow: 1,150 cfs lowPeak conditions
Missouri River — Upper Missouri BreaksMT—Midge
Water: 67°F ✓Flow: 1,910 cfs lowPeak conditions
Missouri River — Upper Missouri BreaksMT—Trico
Water: 67°F ✓Flow: 1,910 cfs lowPeak conditions
Yellowstone RiverMT—Hopper/Dropper
Water: 60°F ✓Flow: 2,060 cfs optimalPeak conditions
Madison RiverMT—Hopper/Dropper
Water: 66°F ✓Flow: 1,270 cfs optimalPeak conditions
Prime dry fly season on the 50-mile riffle
Dismal RiverNE—Trico
Water: 68°F ✓Flow: 250 cfs optimalPeak conditions
Niobrara RiverNE—Trico
Water: 72°F ✓Flow: 553 cfs optimalPeak conditions
Taylor RiverCO—Midges
Water: 56°F ✓Flow: 122 cfs lowPeak conditions
Tailwater stays cold and midges hatch all winter
Gunnison River — MainCO—Midges
Water: 67°F ✓Flow: 341 cfs lowPeak conditions
Cold tailwater fishes year-round in the canyon
Colorado River — UpperCO—Terrestrials
Water: 64°F ✓Flow: 614 cfs lowPeak conditions
Lackawaxen RiverPA—Terrestrials
Water: 69°F ✓Flow: 161 cfs lowPeak conditions
Truckee RiverCA—Midges
Water: 57°F ✓Flow: 503 cfs optimalPeak conditions
Davidson RiverNC—Terrestrials
Water: 71°F ✓Flow: 34.9 cfs lowPeak conditions
Jackson River — Lake Moomaw TailwaterVA—Terrestrials
Water: 64°F ✓Peak conditions
Willowemoc CreekNY—Terrestrials
Water: 62°F ✓Flow: 81.6 cfs optimalPeak conditions
Neversink RiverNY—Terrestrials
Water: 61°F ✓Flow: 103 cfs optimalPeak conditions
Snake River — Snake River CanyonWY—October Caddis
Water: 59°F ✓Flow: 6,570 cfs optimalActive
Rogue RiverOR—October Caddis
Water: 60°F ✓Flow: 1,640 cfs optimalActive
Deschutes RiverOR—October Caddis
Water: 57°F ✓Flow: 3,510 cfs optimalActive
Size 8 — best late season dry fly action
Trinity RiverCA—October Caddis
Water: 64°F ✓Flow: 1,260 cfs optimalActive
San Juan RiverUT—Midge
Water: 73°F ✓Flow: 779 cfs lowActive
The San Juan is a midge factory — size 22–28. This is THE pattern to master here
Pine CreekPA—Slate Drake
Water: 73°F ✓Flow: 241 cfs lowActive
Chattahoochee River — Metro AtlantaGA—Midge
Water: 71°F ✓Flow: 1,260 cfs optimalActive
Primary food source in tailwater
Madison RiverMT—October Caddis
Water: 66°F ✓Flow: 1,270 cfs optimalActive
Taylor RiverCO—Mysis Shrimp
Water: 56°FFlow: 122 cfs lowActive
Mysis flushed from the reservoir feed trophy fish in the Hog Trough
Fryingpan RiverCO—Mysis Shrimp
Flow: 62.8 cfs lowActive
Hallmark of the Frying Pan — flushed from Ruedi, fuels trophy rainbows
Approaching (within 30 days)(115)
Arkansas RiverCO—Midge
Flow: 207 cfs low
Arkansas RiverCO—Terrestrials (hoppers, ants)
Flow: 207 cfs low
Gallatin RiverMT—Hopper/Dropper
Flow: 413 cfs low
Prime dry fly season
Gallatin RiverMT—October Caddis
Flow: 413 cfs low
Nantahala RiverNC—Terrestrials
Flow: 93.7 cfs low
Deerfield RiverMA—Isonychia
Flow: 316 cfs low
Saco RiverNH—Terrestrials
Flow: 143 cfs low
Pere Marquette RiverMI—Trico
Flow: 448 cfs optimal
Pere Marquette RiverMI—Terrestrials
Flow: 448 cfs optimal
Boardman RiverMI—Terrestrials
Jordan RiverMI—Terrestrials
Flow: 184 cfs optimal
Two Hearted RiverMI—Terrestrials
Salmon River — MainID—Caddis
Flow: 818 cfs low
Salmon River — MainID—Hopper/Dropper
Flow: 818 cfs low
Lochsa RiverID—Hopper/Dropper
Flow: 404 cfs low
Middle Fork of the SalmonID—Hopper/Dropper
Flow: 632 cfs low
Flathead River — Middle ForkMT—Hopper/Dropper
Flow: 668 cfs low
Stillwater RiverMT—Hopper/Dropper
Stillwater RiverMT—October Caddis
Snake River — Snake River CanyonWY—Hopper/Dropper
Water: 59°F (need 60°F)Flow: 6,570 cfs optimal
Best dry fly fishing of summer
North Platte River — Northgate CanyonWY—Midge
Flow: 34.3 cfs low
The bread-and-butter pattern on the Miracle Mile
North Platte River — Northgate CanyonWY—Trico
Flow: 34.3 cfs low
Heavy spinner falls at Grey Reef
North Platte River — Northgate CanyonWY—Hopper/Dropper
Flow: 34.3 cfs low
Cache la PoudreCO—Hopper/Dropper
Flow: 24.5 cfs low
Cache la PoudreCO—Terrestrials
Flow: 24.5 cfs low
North Umpqua RiverOR—October Caddis
Kern RiverCA—Hopper/Dropper
Flow: 13.6 cfs low
Merced RiverCA—Hopper/Dropper
Water: 53°F (need 60°F)Flow: 25.2 cfs low
Truckee RiverNV—Hopper/Dropper
Flow: 350 cfs optimal
Truckee RiverNV—October Caddis
Flow: 350 cfs optimal
Rio Grande — Taos BoxNM—Hopper/Dropper
Flow: 134 cfs low
Rio ChamaNM—Hopper/Dropper
Flow: 18.7 cfs low
Gila RiverNM—Hopper/Dropper
Flow: 22.1 cfs low
Lehigh RiverPA—Isonychia
Flow: 628 cfs low
Lehigh RiverPA—Terrestrials
Flow: 628 cfs low
Nolichucky RiverTN—Terrestrials
Flow: 810 cfs optimal
Hiwassee RiverTN—Terrestrials
Chattooga RiverNC—Terrestrials
Flow: 179 cfs low
Toccoa RiverGA—Midge
Toccoa RiverGA—Terrestrials
Penobscot River — West BranchME—Terrestrials
Flow: 374 cfs low
Hudson River GorgeNY—Terrestrials
Flow: 249 cfs low
West RiverVT—Terrestrials
Flow: 47.4 cfs low
Housatonic RiverCT—Isonychia
Flow: 430 cfs optimal
Housatonic RiverCT—Trico
Flow: 430 cfs optimal
Housatonic RiverCT—Terrestrials
Flow: 430 cfs optimal
Farmington RiverCT—Isonychia
Flow: 540 cfs optimal
Farmington RiverCT—Trico
Flow: 540 cfs optimal
Farmington RiverCT—Terrestrials
Flow: 540 cfs optimal
Current RiverMO—Terrestrials
Flow: 780 cfs optimal
Delaware River — UpperPA—Trico
Delaware River — UpperNY—Trico
Water: 64°F (need 65°F)Flow: 1,950 cfs optimal
Beaverkill RiverNY—Trico
Water: 63°F (need 65°F)Flow: 441 cfs optimal
Blue RiverCO—Hopper/Dropper
Water: 54°F (need 60°F)Flow: 31 cfs low
Eagle RiverCO—Hopper/Dropper
Flow: 105 cfs low
Roaring Fork RiverCO—Hopper/Dropper
Water: 58°F (need 60°F)Flow: 444 cfs low
Big Hole RiverMT—Hopper/Dropper
Flow: 75.9 cfs low
Henry's ForkID—Trico
Flow: 1,780 cfs optimal
Heavy spinner falls on the Ranch
Henry's ForkID—Hopper/Dropper
Flow: 1,780 cfs optimal
South Fork Boise RiverID—Hopper/Dropper
Sacramento RiverCA—October Caddis
Flow: 7,920 cfs optimal
Best fall dry fly action
East Walker RiverNV—Hopper/Dropper
Flow: 208 cfs high
Provo RiverUT—Hopper/Dropper
Water: 55°F (need 60°F)Flow: 256 cfs optimal
Blue RiverIN—Terrestrials
Flow: 65 cfs low
Gunpowder FallsMD—Trico
Flow: 155 cfs optimal
Calamus RiverNE—Trico
Rapid CreekSD—Trico
Flow: 28 cfs low
Green River — Lodore CanyonCO—Trico
Water: 58°F (need 65°F)Flow: 1,830 cfs optimal
Morning spinner falls
Green River — Lodore CanyonCO—Terrestrials
Water: 58°F (need 60°F)Flow: 1,830 cfs optimal
Colorado River — Glenwood CanyonCO—Terrestrials
Water: 58°F (need 60°F)Flow: 444 cfs low
Fryingpan RiverCO—Midges
Flow: 62.8 cfs low
Cold tailwater fishes year-round
Fryingpan RiverCO—Trico
Flow: 62.8 cfs low
South Platte RiverCO—Midges
Flow: 87.5 cfs low
South Platte RiverCO—Trico
Flow: 87.5 cfs low
Famous Dream Stream trico spinner falls
South Platte RiverCO—Terrestrials
Flow: 87.5 cfs low
Cache la PoudreCO—Terrestrials
North Branch PotomacWV—Trico
Water: 59°F (need 65°F)Flow: 276 cfs low
North Branch PotomacWV—Terrestrials
Water: 59°F (need 60°F)Flow: 276 cfs low
Shavers ForkWV—Terrestrials
Flow: 92.4 cfs low
Williams RiverWV—Terrestrials
Flow: 77.4 cfs low
Little Juniata RiverPA—Trico
Flow: 269 cfs optimal
Excellent morning trico spinner falls
Little Juniata RiverPA—Terrestrials
Flow: 269 cfs optimal
Kettle CreekPA—Terrestrials
Flow: 68.4 cfs low
Kings RiverCA—Terrestrials
Truckee RiverCA—Trico
Water: 57°F (need 65°F)Flow: 503 cfs optimal
Truckee RiverCA—Terrestrials
Water: 57°F (need 60°F)Flow: 503 cfs optimal
Pit RiverCA—Midges
Upper NantahalaNC—Terrestrials
Flow: 93.7 cfs low
Chattooga River — MainSC—Terrestrials
Flow: 179 cfs low
Tellico RiverTN—Terrestrials (ants, beetles, hoppers)
Flow: 79.1 cfs low
Holston River — South Holston TailwaterTN—Midges
Year-round midge fishing in the cold tailwater
Holston River — South Holston TailwaterTN—Terrestrials (ants, beetles, hoppers)
Rapidan RiverVA—Terrestrials
Flow: 96.5 cfs low
Penns CreekPA—Terrestrials
Flow: 309 cfs optimal
Spring CreekPA—Midges
Flow: 101 cfs optimal
Cold spring water supports midges all year
Spring CreekPA—Terrestrials
Flow: 101 cfs optimal
Slate RunPA—Terrestrials
Flow: 149 cfs optimal
Abrams CreekTN—Terrestrials
Citico CreekTN—Terrestrials
Clinch River — Norris TailwaterTN—Midges
Critical year-round food source in the cold tailwater
Clinch River — Norris TailwaterTN—Terrestrials
Mossy CreekVA—Midges
Cold spring water supports midges all year
Mossy CreekVA—Terrestrials (cricket, beetle, ant)
Trophy browns key on terrestrials in summer
South River — WaynesboroVA—Terrestrials
Flow: 24.2 cfs low
Cumberland River — Wolf Creek TailwaterKY—Midges
Flow: 137 cfs low
Primary food source in the cold tailwater
Cumberland River — Wolf Creek TailwaterKY—Terrestrials
Flow: 137 cfs low
Hatchery CreekKY—Midges
Hazel CreekNC—Terrestrials
Wilson CreekNC—Terrestrials
South Toe RiverNC—Terrestrials
Flow: 40.2 cfs low
Seneca CreekWV—Terrestrials
Dry ForkWV—Terrestrials
Flow: 119 cfs low
West Branch Ausable RiverNY—Terrestrials
Flow: 188 cfs optimal
Boyne RiverMI—Terrestrials
Whitewater RiverMN—Terrestrials
Fading(72)
Arkansas RiverCO—Pale Morning Dun (PMD)
Flow: 207 cfs low
Arkansas RiverCO—Red Quill
Flow: 207 cfs low
Au Sable RiverMI—White Fly
Water: 73°F ✓Flow: 1,370 cfs high
Big Hole RiverMT—Pale Morning Dun
Flow: 75.9 cfs low
Blackfoot RiverMT—PMD / Green Drake
Water: 60°F ✓Flow: 620 cfs low
Blue RiverCO—Pale Morning Dun
Water: 54°F (need 55°F)Flow: 31 cfs low
Bois Brule RiverWI—Trico
Flow: 105 cfs optimal
Boyne RiverMI—Trico
Brodhead CreekPA—Trico
Flow: 254 cfs optimal
Cache la PoudreCO—Pale Morning Dun
Flow: 24.5 cfs low
Cache la PoudreCO—Red Quill
Flow: 24.5 cfs low
Clark ForkMT—Pale Morning Dun
Water: 60°F ✓Flow: 1,150 cfs low
Clarks Fork YellowstoneWY—Pale Morning Dun
Flow: 213 cfs low
Colorado River — Glenwood CanyonCO—PMD (Pale Morning Dun)
Water: 58°F ✓Flow: 444 cfs low
Crystal RiverCO—Pale Morning Dun
Flow: 50.5 cfs low
Deschutes RiverOR—Pale Morning Dun
Water: 57°F ✓Flow: 3,510 cfs optimal
Eagle RiverCO—Pale Morning Dun
Flow: 105 cfs low
East Walker RiverNV—Pale Morning Dun
Flow: 208 cfs high
Flathead River — Middle ForkMT—Pale Morning Dun
Flow: 668 cfs low
Fryingpan RiverCO—Pale Morning Dun (PMD)
Flow: 62.8 cfs low
Fryingpan RiverCO—Green Drake
Flow: 62.8 cfs low
Famous Pan green drake hatch
Gallatin RiverMT—Pale Morning Dun
Flow: 413 cfs low
Gila RiverNM—Pale Morning Dun
Flow: 22.1 cfs low
Green River — Flaming GorgeWY—Pale Morning Dun
Water: 65°F ✓Flow: 622 cfs low
Green River — Flaming GorgeWY—Cicada
Water: 65°F ✓Flow: 622 cfs low
Periodic — explosive dry fly fishing in cycle years
Greys RiverWY—Pale Morning Dun
Flow: 296 cfs low
Gunnison River — MainCO—Pale Morning Dun (PMD)
Water: 67°F ✓Flow: 341 cfs low
Henry's ForkID—Pale Morning Dun
Flow: 1,780 cfs optimal
Henry's ForkID—Caddis
Flow: 1,780 cfs optimal
Henry's ForkID—Callibaetis
Flow: 1,780 cfs optimal
Hoback RiverWY—Pale Morning Dun
Water: 53°F (need 55°F)Flow: 286 cfs low
Kern RiverCA—Pale Morning Dun
Flow: 13.6 cfs low
Kings RiverCA—Pale Morning Dun (PMD)
Lochsa RiverID—Pale Morning Dun
Flow: 404 cfs low
Logan RiverUT—Pale Morning Dun
Flow: 67.4 cfs low
Madison RiverMT—Pale Morning Dun
Water: 66°F ✓Flow: 1,270 cfs optimal
Merced RiverCA—Pale Morning Dun
Water: 53°F (need 55°F)Flow: 25.2 cfs low
Middle Fork of the SalmonID—Caddis
Flow: 632 cfs low
Middle Fork of the SalmonID—Pale Morning Dun
Flow: 632 cfs low
Missouri River — Upper Missouri BreaksMT—Pale Morning Dun
Water: 67°F ✓Flow: 1,910 cfs low
North Platte River — Northgate CanyonWY—Pale Morning Dun
Flow: 34.3 cfs low
Pecos RiverNM—Pale Morning Dun
Flow: 2.93 cfs low
Penns CreekPA—Trico
Flow: 309 cfs optimal
Pit RiverCA—Pale Morning Dun (PMD)
Provo RiverUT—Pale Morning Dun
Water: 55°F ✓Flow: 256 cfs optimal
Rio ChamaNM—Pale Morning Dun
Flow: 18.7 cfs low
Rio Grande — Taos BoxNM—Pale Morning Dun
Flow: 134 cfs low
Roaring Fork RiverCO—Pale Morning Dun
Water: 58°F ✓Flow: 444 cfs low
Sacramento RiverCA—Pale Morning Dun
Flow: 7,920 cfs optimal
Salmon River — MainID—Pale Morning Dun
Flow: 818 cfs low
San Antonio CreekNM—PMD (Pale Morning Dun)
San Juan RiverUT—Pale Morning Dun
Water: 73°F ✓Flow: 779 cfs low
Selway RiverID—Caddis
Flow: 580 cfs low
Shoshone RiverWY—Pale Morning Dun
Water: 61°F ✓Flow: 715 cfs low
Snake River — Snake River CanyonWY—Pale Morning Dun
Water: 59°F ✓Flow: 6,570 cfs optimal
South Fork Boise RiverID—Pale Morning Dun
South Platte RiverCO—Pale Morning Dun (PMD)
Flow: 87.5 cfs low
South River — WaynesboroVA—Trico
Flow: 24.2 cfs low
Spring CreekPA—Trico
Flow: 101 cfs optimal
Famous Spring Creek trico spinner falls
Stillwater RiverMT—Pale Morning Dun
Tieton RiverWA—Pale Morning Dun
Truckee RiverNV—Pale Morning Dun
Flow: 350 cfs optimal
Truckee RiverCA—Pale Morning Dun (PMD)
Water: 57°F ✓Flow: 503 cfs optimal
Tuolumne RiverCA—Pale Morning Dun
Water: 61°F ✓Flow: 28.5 cfs low
Walker RiverNV—Pale Morning Dun
Water: 61°F ✓Flow: 37.9 cfs low
Weber RiverUT—Pale Morning Dun
Flow: 79.8 cfs low
Wenatchee RiverWA—Pale Morning Dun
Water: 65°F ✓Flow: 308 cfs low
West Branch Ausable RiverNY—Trico
Flow: 188 cfs optimal
Whitewater RiverMN—Trico
Willowemoc CreekNY—Trico
Water: 62°F (need 65°F)Flow: 81.6 cfs optimal
Wind RiverWY—Pale Morning Dun
Flow: 150 cfs low
Yellowstone RiverMT—Pale Morning Dun
Water: 60°F ✓Flow: 2,060 cfs optimal