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Clark Fork River

Updated 10/08/2019 at 4:27pm

Conditions At-a-glance


Weather Forecast

Our Report

Fall is on its way!

BEST TECHNIQUES – If you are trying the Clark Fork, look for walking pace water with a depth of 3′-6′. Try soft insides and look for good structure.


Fun time of year to be on the Clark Fork! BWOs, Mahoganies, some Hoppers still…fish are really looking up! Temps are cooling and the fish are loving it. Great time of year on the Clark Fork!

Break out your best nymph rig in the mornings before it warms up. San Juans, Girdle Bugs or Copper Johns will get you in fish.


Snow is in the forecast this week but it’s short lived.  Should be back to typical fall temps and cloud cover by the weekend (which should translate to great fishing).

Call or email us for up to the minute updates at 406.542.7411 or if you are in the area stop in our fly shop and say hi at 3055 North Reserve Street in Missoula for all your Orvis gear and the right bugs.


In good summer shape

The Hatch

Still some bigger stones, PMDs,tricos, Caddis, some spruce moths, Sallys. And the hoppers are out and about!

Fly Patterns

DRIES - #6-12 any color hopper, #8-12 chubby, #18-22 tricos NYMPHS - Stone flies aka pats, #10, prince #12, phez tails #16, tungsten salvation nymph #14. STREAMERS - olive or natural zonker type pattern #6, sparkle minnow #6, olive or black bead head buggers #8 Don't forget a few big pike flies and metal leader.


Water Flow

624 cfs at Turah with 2470 cfs below Missoula at Regis

Link to Water Flow Graph


about a 5'

Water temperature at mid-day

68 near Superior

Water Condition

In good summer shape

Best time of day to fish

Once things cool down, fishing will be more consistent all day.

Best stretch

The whole system

Best access point

multiple access points all along the river

Fish species

Rainbows, cut throats, cut-bows, browns, and white fish.

Fishing season

Fishing season is open year round, while the winter is catch and release for trout.

Nearest airport

Missoula International Airport

Recommended fly fishing leader

9' 3x

Recommended fly fishing tippet

2x to the first bug 3x to the second unless going small then drop down one size.