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Satellite view of Middle Fork West Fork Gallatin River

Middle Fork West Fork Gallatin River

River · Big Sky, Montana

Cold water — serious cold-shock risk today

Cold water

Cold water — serious cold-shock risk today: water temperature is 43°F, cold enough to cause cold-water shock on sudden immersion.

  • Water temp 43°F (6°C)
  • Streamflow 232 ft³/s
  • Gage height 4.81 ft

Live, provisional data from USGS gauge Gallatin River above Deer Creek, near Big Sky, MT (8.3 mi away), as of Oct 20, 2:30 AM gauge-local time.

Why, sources & official advisories
  • Water temperature is 43°F, cold enough to cause cold-water shock on sudden immersion. — USGS gauge 06043120, as of Oct 20, 2:30 AM gauge-local time

No official beach-advisory feed for Montana yet — follow posted signs and local guidance.

Get an email when it’s warm enough

It’s 43°F at Middle Fork West Fork Gallatin River now. We check the water daily and email you once when it reaches your temperature.

Cool today

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Weather at Middle Fork West Fork Gallatin River

37°F, Overcast · H 55° / L 35° · 9% chance of rain
H: 55° L: 35°
Overcast
Overcast
37°
|
Feels like 34°
Precipitation
9%
Humidity
55%
Wind
4 mph
UV Index
0
12 AM
Overcast
36°
3 AM
Overcast
37°
6 AM
Overcast
37°
9 AM
Overcast
39°
12 PM
Overcast
50°
3 PM
Overcast
55°
6 PM
Partly Cloudy
49°
9 PM
Clear
40°

Frequently asked questions

Where is Middle Fork West Fork Gallatin River?
Middle Fork West Fork Gallatin River is a river in Big Sky, Montana.
What is the water temperature at Middle Fork West Fork Gallatin River?
As of October 20, 2026, the water temperature at Middle Fork West Fork Gallatin River in Big Sky, Montana is 43°F (6°C), measured by USGS gauge 06043120, 8.3 miles away.
Can you swim at Middle Fork West Fork Gallatin River?
Cold water — serious cold-shock risk today: water temperature is 43°F, cold enough to cause cold-water shock on sudden immersion. Checked October 20, 2026.
How is Middle Fork West Fork Gallatin River rated?
Middle Fork West Fork Gallatin River in Big Sky, Montana has an average visitor rating of 4.9 out of 5, based on 7 reviews.

Location & Contact

Big Sky, MT

Big Sky, Montana None

🌊 Best times & visiting tips
  • ›Check water levels and current conditions before visiting
  • ›Wear life jackets when on the water
  • ›Be aware of rapids and potential hazards
  • ›Respect private property along riverbanks
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