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Bighorn River Fishing Report

Bighorn Trout Shop
Bighorn Trout Shop
Box 7477
Fort Smith, Montana 59035
Phone: (406) 666-2375

Last Updated


Current Report

Recent cold weather and heavy snows have made the boat ramps a little treacherous. Warmer weather is on the way, so hopefully this will improve. Water flows are at 4,000 cfs and the water temperature is 41 degrees. The water clarity is good now. Brown trout are spawning and both nymph and streamer fishing is productive. Fish are eating sowbugs, scuds, Baetis nymph patterns, midge pupa, and aquatic worms. A light fly/dark fly combination (yes, a two-fly rig) works well for streamer fishing. There are STILL Baetis around in the early afternoon, especially on the cloudy days.

Weather Report

Detailed Forecast

Hatch Info

Still have some Baetis hatching in early afternoon.

One-Week Forecast


River Flows

4,000 cfs
USGS Current Conditions

Water Temperature

41 degrees at 3-Mile.

Hot Fly Patterns


#14,#16 Ray Charles (grey or tan), #18 Tung Teaser; #16 Pink Scud; #16 Orange Scud; #18 Quill Nymph

Dry Flies

#20 Student; #20,#22 Baetis Sparkle Dun


#4 Cream Wooley Bugger; #4 Dirty Hippy (cream); #6 Thin Mint Wooley Bugger (Hale's favorite); #4 Grey Zonker; #4,6 Bighorn Wooley Bugger (brown & yellow)

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