USGS · 06043120

GALLATIN RIVER

USGS · 06043120LIVE

Gallatin River above Deer Creek, near Big Sky, MT

GALLATIN COUNTY, MT45.2973°N, -111.2114°W Updated 6 hr ago

FLOW RATE

497cfs

GAUGE HT

5.25ft

WATER TEMP

66°F

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

497cfs 7.5% vs avg

Optimal band: 240–324 cfs

PERIOD HIGH

2,029cfs

PERIOD LOW

148cfs

RUNNABLE

31%

last 1 year in band

Gauge Height

5.25ft

Water Temperature

65.5°F

Weather Map

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Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

14.9in

≈ normal

14.92 in of precipitation so far this year — about average for this point in the season (normal 17.35 in).

YTD Total

14.9in

This year so far

Normal to Date

17.4in

30-yr average

Typical Range

14.7–20.3in

10th–90th pct YTD

Departure

-14%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 0.90" · normal 1.67" (1.1–2.3)

Jan

Feb: 1.73" · normal 1.69" (0.7–2.6)

Feb

Mar: 1.87" · normal 2.35" (1.4–3.9)

Mar

Apr: 3.43" · normal 3.50" (2.4–4.7)

Apr

May: 2.98" · normal 3.51" (1.8–4.9)

May

Jun: 3.46" · normal 3.68" (2.1–5.3)

Jun

Jul: 0.55" (so far)· normal 1.92" (1.0–3.2)

Jul

Aug: normal 1.82" (0.8–3.3)

Aug

Sep: normal 2.07" (1.1–3.3)

Sep

Oct: normal 2.50" (1.6–3.4)

Oct

Nov: normal 2.01" (1.1–3.4)

Nov

Dec: normal 1.80" (0.9–2.5)

Dec

Baseline 1991–2020 · Source: Open-Meteo05:27 UTC

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Station Location

45.2973, -111.2114

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DATA · USGS · NOAA · NWSUPDATED 2026-07-14 00:00 UTC

Site #06043120·USGS

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