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

Short-term rainfall and flow-change signals

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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.

High confidenceLast verified: Aug 20, 2026

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.

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

No destination-specific hatch data is currently available.

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

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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

Verified access notes and official resources for Gallatin River at Logan. This is StrikeTracks guidance — always confirm with official sources.

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