Montana
Yellowstone River at Corwin Springs
Location Snapshot
Yellowstone River at Corwin Springs is an upper Montana mainstem reach flowing north from Yellowstone National Park through the Paradise Valley corridor. Yellowstone cutthroat, rainbow, and brown trout create a varied wild-trout fishery across broad riffles, runs, and rocky mainstem habitat.
Current River Rating
Fair · 54
Conditions are mixed. Review the details below before heading out.
Scores are model-specific and are not directly comparable across water types.
Partial water evidence · Medium confidence
Should I Go?
Consider
Recommended Window
Tuesday, 5:00 PM–8:00 PM
Why
- Air temperature is comfortable for a river trout trip.
- Light wind should make casting and boat control easier.
Favorable Factors
- Recent precipitation has been light.
Timing Evidence
Window confidence: High
Current Readings
- Flow
- 1170 CFS
- Gage Height
- 1.27 ft
- Water Temperature
- 48.6 °F
- Latest current reading
- Oct 20, 2026, 9:15 AM
Updated recently · USGS station 06191500 · Direct monitoring location
Readings from past 7 Days
Loading readings from the past 7 days…
Historical readings are provided for context. Readings outside the current freshness window are not used to rate current conditions.
Better Nearby Options
Checking nearby StrikeTracks waters…
Preliminary guidance only. Always assess current weather, access, water depth, current speed, and your own ability before entering the river.
Changing Conditions Advisory
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Weather Near Gauge
Current Weather
Clear
Temperature
43°F
Feels like
36°F
Wind
6 mph SW
Wind gust
7 mph
Current precipitation
0.00 in
Updated
Oct 20, 2026, 2:30 AM
Recent Rainfall
Estimated precipitation near this gauge
Last 6 hours
0.00 in
Last 24 hours
0.00 in
Last 48 hours
0.00 in
Little recent rainfall near this river.
Next 24 Hours
Tue 4 AM
Mostly clear
Temp 43°F
Chance 0%
Precip 0.00 in
Wind 5 mph
Tue 8 AM
Mostly clear
Temp 42°F
Chance 0%
Precip 0.00 in
Wind 4 mph
Tue 12 PM
Overcast
Temp 63°F
Chance 0%
Precip 0.00 in
Wind 11 mph
Tue 4 PM
Overcast
Temp 69°F
Chance 1%
Precip 0.00 in
Wind 6 mph
Tue 8 PM
Overcast
Temp 55°F
Chance 1%
Precip 0.00 in
Wind 5 mph
Wed 12 AM
Overcast
Temp 49°F
Chance 1%
Precip 0.00 in
Wind 3 mph
Four-Day Forecast
Tue, Oct 20
Overcast
High 69°F / Low 42°F
Chance 1%
Precip 0.00 in
Max gust 13 mph
Wed, Oct 21
Overcast
High 70°F / Low 43°F
Chance 3%
Precip 0.00 in
Max gust 17 mph
Thu, Oct 22
Overcast
High 70°F / Low 46°F
Chance 31%
Precip 0.00 in
Max gust 13 mph
Fri, Oct 23
Showers
High 52°F / Low 40°F
Chance 95%
Precip 0.96 in
Max gust 16 mph
Weather and rainfall are estimated for this river's coordinates. Local conditions can vary, especially in mountainous terrain and during isolated storms.
Recent rainfall can influence river flow, but the timing and magnitude depend on watershed size, soil conditions, upstream reservoirs, and dam releases.
Weather data: Open-Meteo
Historical Flow
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Fishing Overview
Wild brown and rainbow trout are in the Yellowstone River at Corwin Springs.
Fishery Profile
Documented species you may encounter at Yellowstone River.
Species images are AI-generated illustrations for visual reference and may simplify natural variation. Fishery records are based on the cited agency sources. About fish illustrations
Target species
Brown Trout
Salmo trutta
- Expectation
- Primary
- Population
- Wild
- Native status
- introduced
- Confidence
- High confidence
Source: Montana Fish, Wildlife & Parks
Rainbow Trout
Oncorhynchus mykiss
- Expectation
- Primary
- Population
- Unknown
- Native status
- introduced
- Confidence
- High confidence
Source: Montana Fish, Wildlife & Parks
Fishery characteristics
- Composition
- Wild
- Great Lakes tributary
- No
- Flow regime
- Mixed flow regime
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Dry flies
- Fly fishing
- Nymphing
- Spinning
- Streamers
Official sources
Hatch Match
General fly suggestions
- Parachute-style dryGeneral attractor dry family — not a claim that a named mayfly is hatching.
- Pheasant-tail-style nymphGeneral nymph family for trout rivers without destination hatch timing.
- Elk-hair-style dryGeneral dry/attractor family. Pattern choice only — not a report that caddis are hatching.
- Woolly-bugger-style streamerGeneral streamer family. Not a forage or insect Hatch event.
These are general fishing suggestions, not a report of insects currently hatching at this destination.
Location and Access
USGS monitoring location
Park, Montana
The map marker represents the cataloged waterbody or monitoring location and may not indicate legal parking or public access. Confirm access through the official information before visiting.
River Details
County
Park
Management Category
Wild trout river
Regulation Scope
Yellowstone River at Corwin Springs.
Regulation Summary
Yellowstone at Corwin Springs: FWP Central District regulations unless an Exception applies. Confirm current closures and park rules upstream.
Target Species
Brown Trout, Rainbow Trout
Access, Parking, and Regulations
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