!! Hoot Owl in Effect from Veterans Bridge in Hamilton to Confluence of the Clark Fork !!

The Bitterroot is still in a technical late-summer pattern, but flows have bumped up from the last report. The lower river near Missoula is around 791 cfs, up from the previous 631 cfs reading, and the water temperature was in the low 60s at the latest verified gauge check. Even with that cooler morning temperature, this is still late-summer fishing, so timing and trout handling matter. The Bitterroot is under hoot owl restrictions from Veteran’s Bridge in Hamilton to the confluence with the Clark Fork River, which means no fishing from 2:00 PM to midnight in that reach.

The best fishing will be early in the day. Focus on riffle edges, deeper green seams, tailouts, shaded banks, foam lines, side channels, and any cold-water influence. The extra water may help spread fish slightly compared with the lowest flows, but this is still a clear, technical river. Longer leaders, lighter tippet, careful wading, and accurate casts will make a big difference.

The prolific late spring and early summer hatches have ended, and the Bitterroot has moved into a mid-to-late summer program. Terrestrials are now a major part of the game, especially hoppers, ants, and beetles along grassy banks, undercut edges, and shaded structure. Late-stage PMD spinners, Tricos, caddis, Yellow Sallies, and the very end of the drakes are the main bugs to watch.

PMD spinner action can be good first thing in the morning on slicks, flats, slow seams, and tailouts. Tricos may also bring fish up in slower glassy water as the morning develops. Evening caddis fishing would normally be a strong option, but the hoot owl restriction means anglers need to skip that late-day window in the restricted reach and focus on the legal morning bite instead.

Weather around Hamilton is mild to warm early in the week, with spotty afternoon thundershower chances Monday and Tuesday, then warmer, sunnier weather later in the week. Fish early, keep trout wet, and be off restricted water before 2:00 PM.

What's Working

Dry Flies

• Hoppers #8-12
• Ants #12-16
• Beetles #12-16
• Chubby Chernobyls #8-14
• Water Walkers #8-12
• PMD Spinners #14-18
• Tricos #18-22
• Yellow Sallies #14-16
• Elk Hair Caddis #14-18
• X-Caddis #14-18
• Corn Fed Caddis #12-18
• Purple Haze #14-20
• Parachute Adams #14-20

Nymphs

• Frenchies #14-18
• Split Case PMDs #14-18
• Psycho May #14-18
• Perdigons #14-20
• Pheasant Tails #14-20
• Caddis Pupa #12-18
• Jigged Hare’s Ears #14-18
• Small jig nymphs #16-20
• Prince Nymphs #12-16

Streamers

• Sparkle Minnows
• Mini Dungeons
• Peanut Envy
• Sculpzilla
• Thin Mint
• Woolly Buggers
• Small sculpin patterns
• Olive and black streamers