Colorado Fly Fishing Reports

Free daily fly fishing condition reports for 5 rivers in Colorado: Frying Pan River, Roaring Fork River, Arkansas River, South Platte River, Colorado River. Each report combines real-time USGS flow and water-temperature data, National Weather Service forecasts, and a daily fishability score — updated every morning so you know before you go.

Frying Pan River

Basalt, Eagle County, Colorado

Free

A legendary Colorado tailwater below Ruedi Reservoir, the Frying Pan is famous for its enormous midges and selective, large rainbow trout. The lower Pan — from Basalt to the Roaring Fork confluence — produces consistently through all four seasons.

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Roaring Fork River

Aspen, Pitkin County, Colorado

Free

Flowing from its headwaters near Aspen to its confluence with the Colorado River, the Roaring Fork offers a diverse mix of freestone and tailwater fishing. The Gold Medal section below Basalt holds exceptional populations of brown and rainbow trout.

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Arkansas River

Salida, Chaffee County, Colorado

Free

The Arkansas River through Brown's Canyon is one of Colorado's most storied Gold Medal fisheries. Its freestone character, dramatic canyon scenery, and excellent caddis and blue-winged olive hatches attract anglers from across the country.

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South Platte River

Deckers, Douglas County, Colorado

Free

The South Platte at Deckers is one of Colorado's most technical tailwater fisheries, demanding precise presentations to large, wary brown and rainbow trout. The clear water and selective fish provide a challenging and rewarding experience for skilled anglers.

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Colorado River

Glenwood Springs, Garfield County, Colorado

Free

The Colorado River near Glenwood Springs is one of the most accessible Gold Medal trout fisheries in Colorado. Its mix of tailwater and freestone character supports exceptional populations of brown and rainbow trout, with productive hatches throughout the spring and fall.

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Seasonal Hatch Calendar

Rocky Mountain West — typical emergence by month. July highlighted.

HatchJFMAMJJASOND
Midges #18-24 January February March April October November December
Scuds #14-18 January February March November December
Sculpins (streamer) #4-8 January February October November December
Blue-Winged Olive #16-22 March April September October
American Grannom caddis #16 April
Early Brown Stonefly #14-20 April
Little Black Sedge #16-18 April
Caddis (various) #10-18 May June
Green Sedge caddis #12-14 May
Salmonfly #4-6 May June
Spotted Sedge caddis #16-22 May
Golden Stonefly #6-10 June July
Pale Morning Dun #16-20 June July August
Red Quill #12-16 June
Yellow Sally #14 June July
Green Drake #10-12 July August
Terrestrials (ants, beetles, hoppers) #8-18 July August September
Trico #20-22 July August September
October Caddis #8-10 September October
Active This month

A regional planning guide — timing shifts with elevation and weather. Match against today's water temperature before tying on.

Fly Fishing Reports by State

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