What flies are hatching on the Rock Creek right now?

Current and seasonal hatches on the Rock Creek include Caddis, Pale Morning Dun, Blue-Winged Olive. Use the AI Hatch Advisor on this page for a live, temperature-aware recommendation.

What's the current flow on the Rock Creek?

The Rock Creek is running at 342 CFS at the Near Clinton gauge. Readings update every 15 minutes from the USGS Water Services API.

Is the Rock Creek fishable today?

Yes — Rock Creek is rated fishable right now. Current flow is 342 CFS at the Near Clinton gauge.

Rock Creek Fly Fishing Conditions

Live Conditions

Rock Creek — Near Clinton

Fishable

342CFS

Discharge

5.41ft

Gauge Height

56.8°F

Water Temp

Updated 48 min agoView on USGS ↗

7-Day Flow

↓ Falling

RisingFallingStable

24-Hr Pressure

24.53 inHg · → High/stable

Falling (good)RisingHigh/stable

Local Weather

45°FClear sky

Wind 5 mph24.53 inHg Low & stable

Tough conditions — fish deep

Today

☁️

Overcast

64° / 45°

Tomorrow

☀️

Clear sky

70° / 45°

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?

⚡ AI

AI-powered recommendation using today's live flow, temperature, and hatch data.

9.4

Time of Day

Using: 342 CFS · 56.8°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

Full calendar →

🟢 Active now at 56.8°F water

CaddisPale Morning DunBlue-Winged Olive

Select month

JanDec

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.

PMDCaddis

🟢 Active · 🟡 Approaching · ⚪ Seasonal only

River Map

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USGS Gauge (click for site ID)Fishing Access / SectionScroll to zoom disabled — use map controls

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.

SalmonflyGolden StoneCaddisPale Morning DunHopperBlue-Winged Olive

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.