Blackfoot River

Marginal

Montana

Current Flow3,730 CFS Stable
Water Temp43°F
Guides40
Sections1

Current Conditions

3,730CFSStable over 24hr

The Blackfoot River is running at 3,730 CFS — marginal conditions. Expect off-color water. Stick to the edges and fish streamers or heavy nymph rigs.

Last updated: Mar 30, 2026, 9:30 AM from USGS gauge 12340000 (Blackfoot River near Bonner)

7-Day Flow Trend

Optimal Fishable Marginal Blown Out

Flow thresholds: Optimal 8001500 CFS | Fishable to 3000 CFS | Marginal to 5000 CFS

Water Temperature

43°F

Water temperature is cool — ideal for trout activity. Fish will be feeding actively throughout the day.

About the Blackfoot River

Norman Maclean's home water and the setting of "A River Runs Through It." The Blackfoot is a beautiful freestone river flowing through timbered canyons east of Missoula. A conservation success story, the river has rebounded dramatically.

Hatch Chart

InsectJanFebMarAprMayJunJulAugSepOctNovDec
Salmon Fly
Chubby Chernobyl #6
Golden Stonefly
Stimulator #8
Caddis
Elk Hair Caddis #14-16
Blue-Winged Olive
BWO Parachute #18
Hopper
Dave's Hopper #8
Major Moderate MinorCurrent month highlighted

River Sections

Clearwater Junction to Bonner

wade/float access
Marginal

3,730 CFS

The most popular stretch with excellent access. Mix of riffles, runs, and pools through scenic canyon.

Guides on the Blackfoot River(40)

These fishing guides list the Blackfoot River as one of their home waters.

View all 40 guides in Montana

Frequently Asked Questions

What is the best time to fish the Blackfoot River?+

The Blackfoot River fishes well from spring through fall. Peak dry fly season is typically June through September. The salmon fly hatch in late June/early July is one of the year's most exciting events. Fall brings excellent streamer fishing and fewer crowds.

How many fishing guides operate on the Blackfoot River?+

Outguided lists 40 fishing guides who operate on the Blackfoot River. These guides offer local knowledge of hatches, access points, and current conditions that can significantly improve your experience.

What is the current flow on the Blackfoot River?+

The Blackfoot River's flow data is updated every 30 minutes from USGS gauge stations. Check the top of this page for current CFS readings, fishability status, and a 7-day flow trend chart. Optimal fishing flows are 800–1500 CFS.

What fish species are in the Blackfoot River?+

The Blackfoot River primarily holds wild brown trout and rainbow trout. Cutthroat trout may also be present in some sections. Fish sizes vary by section, with tailwater reaches typically holding larger fish.

Quick Conditions

StatusMarginal
Flow3,730 CFS
Water Temp43°F
Trend Stable
Guides40

Fishability Thresholds

Optimal8001500 CFS
Fishableto 3000 CFS
Marginalto 5000 CFS
Blown Out5000+ CFS

USGS Gauges

Blackfoot River near Bonner

Station #12340000