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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

WEST GLACIER (WGRM8)

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

NA

33°F

1°C

Humidity 93%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 17 Feb 06:12 AM MST
Extended Forecast for

14 Miles W St Mary MT

Winter Weather Advisory until February 17, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until February 17, 05:00pm

    NOW until 5:00pm Tue

    Winter Weather Advisory

  • Today

    High: 20 °F⇓

    Heavy Snow
    and Areas
    Blowing Snow

  • Tonight

    Tonight: A 30 percent chance of snow, mainly between 1am and 2am. Mostly cloudy, with a low around -13. Wind chill values as low as -31. West wind 15 to 18 mph becoming east northeast after midnight. Winds could gust as high as 26 mph. New snow accumulation of less than one inch possible.

    Low: -13 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely, mainly after 11am. Mostly cloudy and cold, with a high near -6. Wind chill values as low as -37. Northeast wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: -6 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around -13. Wind chill values as low as -32. Northeast wind 10 to 14 mph, with gusts as high as 18 mph. New snow accumulation of less than one inch possible.

    Low: -13 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 11am. Partly sunny and cold, with a high near 9. East northeast wind 8 to 10 mph becoming southwest in the afternoon. Little or no snow accumulation expected.

    High: 9 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 0. New snow accumulation of less than a half inch possible.

    Low: 0 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 11. New snow accumulation of less than a half inch possible.

    High: 11 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 2.

    Low: 2 °F

    Chance Snow

Detailed Forecast

Today
Snow, mainly before 3pm. The snow could be heavy at times. Areas of blowing snow before 4pm. Temperature falling to around 10 by 5pm. Wind chill values as low as -7. East northeast wind 15 to 17 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 8 to 12 inches possible.
Tonight
A 30 percent chance of snow, mainly between 1am and 2am. Mostly cloudy, with a low around -13. Wind chill values as low as -31. West wind 15 to 18 mph becoming east northeast after midnight. Winds could gust as high as 26 mph. New snow accumulation of less than one inch possible.
Wednesday
Snow likely, mainly after 11am. Mostly cloudy and cold, with a high near -6. Wind chill values as low as -37. Northeast wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around -13. Wind chill values as low as -32. Northeast wind 10 to 14 mph, with gusts as high as 18 mph. New snow accumulation of less than one inch possible.
Thursday
A 30 percent chance of snow, mainly after 11am. Partly sunny and cold, with a high near 9. East northeast wind 8 to 10 mph becoming southwest in the afternoon. Little or no snow accumulation expected.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 0. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 11. New snow accumulation of less than a half inch possible.
Friday Night
A chance of snow. Mostly cloudy, with a low around 2.
Saturday
A chance of snow, mainly after 11am. Partly sunny, with a high near 14.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 1.
Sunday
A chance of snow. Partly sunny, with a high near 19.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 11.
Monday
Snow likely. Mostly cloudy, with a high near 24.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles W St Mary MT
 48.74°N 113.72°W (Elev. 7467 ft)
Last Update:
1:01 am MST Feb 17, 2026
Forecast Valid:
6am MST Feb 17, 2026-6pm MST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation