Missoula
Rock Creek
Live Conditions
Rock Creek — Near Clinton
7-Day Flow
↓ Falling
24-Hr Pressure
24.57 inHg · → High/stable
Local Weather
Tough conditions — fish deep
Today
☁️Overcast
64° / 45°
Tomorrow
☁️Overcast
70° / 46°
Wed
☀️Clear sky
76° / 53°
Thu
☀️Clear sky
88° / 51°
Cold front incoming — go deep with nymphs, surface activity likely slow.
Weather by Open-Meteo · No API key · Updated every 30 min
What should I fish today?
⚡ AIAI-powered recommendation using today's live flow, temperature, and hatch data.
9.4
Time of Day
Using: 342 CFS · 58.1°F · PMDs continue. Hopper season peak
What should I pack?
Rod, flies, tippet, and safety gear specific to today's Rock Creek conditions.
🪰 Hatch Calendar
Rock Creek · August · Late Summer
🟢 Active now at 58.1°F water
🟡 Approaching — within 5°F of trigger range
Select month
PMDs continue. Hopper season peak (size 8-12). Caddis evenings. Hot afternoons — hoot-owl restrictions common. Native Bull Trout post-spawn — release immediately, federally protected.
🟢 Active · 🟡 Approaching · ⚪ Seasonal only
River Map
About Rock Creek
Blue Ribbon tributary of the Clark Fork east of Missoula. Wade-only pocket water with one of the most reliable Salmonfly hatches in the West and excellent westslope cutthroat fishing through summer.
Regulations
Bull trout federally protected — release immediately. Wade-only after July 1 in upper sections — check FWP for current float regulations. Native Westslope Cutthroat C&R in many stretches.
Learn More
Guides to help you fish Rock Creek with more confidence.
Montana Fishing Regulations for Fly Anglers
Montana's Conservation License prerequisite and AIS pass, the third-Saturday-in-May to November 30 general stream season, blue-ribbon special regs on…
Trout Species of Montana
Montana's six salmonids and how to tell a harvestable brown from a release-required cutthroat or a protected bull trout. Missouri and Yellowstone…
Seasonal Guide to Montana Fly Fishing
Montana rivers are a completely different game each season — Salmonfly in late May, PMD and caddis in July, technical Trico on the Missouri in…