National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Atmospheric River for California; Record Temperatures Further East

An atmospheric river will bring gusty to high winds, moderate to heavy rainfall, and potential flooding to California today through Saturday. Heavy snow will be possible over the Sierra Nevada mountains into Friday associated with this atmospheric river. East of these impacts dozens of record high maximum and high minimum temperatures may be broken or tied today and Friday. Read More >

Current conditions at

WEST GLACIER (WGRM8)

Lat: 48.51061°NLon: 113.99677°WElev: 3165.0ft.

NA

43°F

6°C

Humidity 99%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 13 Nov 02:12 PM MST
Extended Forecast for

16 Miles WSW St Mary MT

  • This Afternoon

    This Afternoon: Rain and snow likely, mainly after 5pm. Snow level 8500 feet. Mostly cloudy, with a high near 38. Breezy, with a southwest wind around 23 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow
    Likely and
    Breezy

  • Tonight

    Tonight: Rain and snow, becoming all snow after 1am. Low around 27. Windy, with a southwest wind 29 to 32 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Rain/Snow and
    Windy

  • Friday

    Friday: Snow. The snow could be heavy at times. Widespread dense freezing fog, mainly between 11am and 5pm. Temperature falling to around 27 by 5pm. Breezy, with a west southwest wind 16 to 25 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 34 °F⇓

    Heavy Snow
    and Dense
    Freezing Fog

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Areas of freezing fog before 8pm. Low around 26. Breezy, with a southwest wind 15 to 23 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

    Low: 26 °F

    Heavy Snow
    and Areas
    Freezing Fog

  • Saturday

    Saturday: Snow. High near 33. Breezy, with a west southwest wind 16 to 24 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Snow and
    Breezy

  • Saturday Night

    Saturday Night: Snow likely, mainly after 11pm. Cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Snow Likely

  • Sunday

    Sunday: A 40 percent chance of snow. Mostly cloudy, with a high near 32. Little or no snow accumulation expected.

    High: 32 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly after 11pm. Cloudy, with a low around 24.

    Low: 24 °F

    Snow Likely

  • Monday

    Monday: Snow likely. Mostly cloudy, with a high near 28.

    High: 28 °F

    Snow Likely

Detailed Forecast

This Afternoon
Rain and snow likely, mainly after 5pm. Snow level 8500 feet. Mostly cloudy, with a high near 38. Breezy, with a southwest wind around 23 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tonight
Rain and snow, becoming all snow after 1am. Low around 27. Windy, with a southwest wind 29 to 32 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow. The snow could be heavy at times. Widespread dense freezing fog, mainly between 11am and 5pm. Temperature falling to around 27 by 5pm. Breezy, with a west southwest wind 16 to 25 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Friday Night
Snow. The snow could be heavy at times. Areas of freezing fog before 8pm. Low around 26. Breezy, with a southwest wind 15 to 23 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.
Saturday
Snow. High near 33. Breezy, with a west southwest wind 16 to 24 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Snow likely, mainly after 11pm. Cloudy, with a low around 29. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 32. Little or no snow accumulation expected.
Sunday Night
Snow likely, mainly after 11pm. Cloudy, with a low around 24.
Monday
Snow likely. Mostly cloudy, with a high near 28.
Monday Night
Snow likely. Mostly cloudy, with a low around 18.
Tuesday
A chance of snow. Mostly cloudy, with a high near 24.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 16.
Wednesday
A chance of snow. Mostly cloudy, with a high near 22.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 16.
Thursday
Snow likely. Mostly cloudy, with a high near 20.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles WSW St Mary MT
 48.69°N 113.78°W (Elev. 8153 ft)
Last Update:
1:01 pm MST Nov 13, 2025
Forecast Valid:
3pm MST Nov 13, 2025-6pm MST Nov 20, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation