Montana
Gallatin River at Logan
Current River Rating
Fair · 55
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
Sunday, 11:00 AM–2:00 PM
Why
- Water temperature is within the preferred trout range.
- Air temperature is comfortable for a river trout trip.
- Very clear skies may make trout more cautious in shallow water.
Favorable Factors
- Recent precipitation has been light.
Cautions
- Strong wind may make casting and boat control more difficult.
Timing Evidence
Window confidence: Medium
Current Readings
- Flow
- 406 CFS
- Gage Height
- 4.66 ft
- Water Temperature
- 61.5 °F
- Observation Time
- Sep 5, 2026, 7:00 AM
Updated recently · USGS station 06052500 · Direct monitoring location
Readings from past 7 Days
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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
62°F
Feels like
50°F
Wind
23 mph NE
Wind gust
30 mph
Current precipitation
0.00 in
Updated
Sep 4, 2026, 11:15 PM
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
Sat 2 AM
Overcast
Temp 59°F
Chance 3%
Precip 0.00 in
Wind 12 mph
Sat 6 AM
Clear
Temp 52°F
Chance 2%
Precip 0.00 in
Wind 6 mph
Sat 10 AM
Clear
Temp 62°F
Chance 1%
Precip 0.00 in
Wind 11 mph
Sat 2 PM
Clear
Temp 75°F
Chance 1%
Precip 0.00 in
Wind 1 mph
Sat 6 PM
Clear
Temp 82°F
Chance 2%
Precip 0.00 in
Wind 4 mph
Sat 10 PM
Clear
Temp 67°F
Chance 2%
Precip 0.00 in
Wind 9 mph
Four-Day Forecast
Sat, Sep 5
Overcast
High 82°F / Low 52°F
Chance 3%
Precip 0.00 in
Max gust 29 mph
Sun, Sep 6
Overcast
High 84°F / Low 52°F
Chance 13%
Precip 0.00 in
Max gust 22 mph
Mon, Sep 7
Drizzle
High 75°F / Low 53°F
Chance 67%
Precip 0.06 in
Max gust 28 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
Bounded lower Gallatin River destination at Logan near the Missouri confluence. USGS 06052500 is the at-location station with live discharge and water temperature. Coordinates are the USGS monitoring-location point. Not gallatin-river-near-gallatin-gateway.
Fishery Profile
Documented species you may encounter at Gallatin 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
Fishery overview
Gallatin River at Logan is the lower-river identity near Three Forks, not Gallatin Canyon. StrikeTracks requalifies this existing identity to Monitoring-Backed from USGS 06052500 after fishery completion. The canyon fishery is a separate new destination at Gateway. Flow Context remains default-deny. Mountain whitefish (Prosopium williamsoni) are a native game fish in this drainage per official state fishery management; they are described here because StrikeTracks has no species-selector ID. Confirm current FWP whitefish rules separately (https://fwp.mt.gov/fish). Hatch Match remains unpublished for this identity after Option-B local-expert seasonal research. No two Logan-named independent seasonal charts.
Target species

Brown Trout
Salmo trutta
- Expectation
- Primary
- Population
- Wild
- Native status
- introduced
- Confidence
- High confidence
FWP Statewide Fisheries Management Plan 2023–2026 manages this drainage as a wild trout fishery. Confirm current FWP Exceptions to Standard Regulations. Lower Gallatin at Logan (USGS 06052500). Distinct from Gallatin Canyon at Gateway (06043500).
Source: Montana Fish, Wildlife & Parks

Rainbow Trout
Oncorhynchus mykiss
- Expectation
- Primary
- Population
- Unknown
- Native status
- introduced
- Confidence
- High confidence
FWP Statewide Fisheries Management Plan 2023–2026 manages this drainage as a wild trout fishery. Confirm current FWP Exceptions to Standard Regulations. Lower Gallatin at Logan (USGS 06052500). Distinct from Gallatin Canyon at Gateway (06043500).
Source: Montana Fish, Wildlife & Parks
Fishery characteristics
- Composition
- Wild
- Great Lakes tributary
- No
- Flow regime
- Mixed flow regime
Lower Gallatin trout-to-transitional river at Logan, downstream of the canyon and near the Jefferson/Madison/Missouri confluence area.
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Dry flies
- Fly fishing
- Nymphing
- Spinning
- Streamers
Access and Public Fishing Rights
Public fishing is documented by FWP Fishing Access Sites on the lower Gallatin. Catalog coordinates are the USGS point, not a FAS pin.
Stocking information
Confirm current official FWP stocking. Do not present Logan as the Gallatin Canyon Gold Medal analog.
Official sources
Verify current FWP Gallatin Exceptions and closures. The lower Gallatin from Cameron Bridge Road to the Missouri has been a hoot-owl reach in drought years. Do not remap to Gateway 06043500.
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
Gallatin, 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
Gallatin
Management Category
Wild trout river
Regulation Scope
Gallatin River at Logan / lower Gallatin
Regulation Summary
Lower Gallatin at Logan: FWP Central District regulations unless an Exception applies. Confirm current closures.
Target Species
Brown Trout, Rainbow Trout
Access, Parking, and Regulations
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