Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

WEST GLACIER (WGRM8)

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

NA

29°F

-2°C

Humidity 97%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 13 Mar 11:12 PM MDT
Extended Forecast for

14 Miles W St Mary MT

Winter Storm Warning March 14, 12:22am until March 14, 12:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 14, 12:22am until March 14, 12:00pm

    NOW until 12:00pm Sat

    Winter Storm Warning

  • Overnight

    Low: 20 °F

    Snow

  • Saturday

    Saturday: Snow, mainly before 2pm.  Temperature falling to around 6 by 5pm. Wind chill values as low as -11. West wind 9 to 17 mph becoming northeast in the morning. Winds could gust as high as 34 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 16 °F

    Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around -2. Wind chill values as low as -15. Northeast wind 7 to 13 mph becoming west southwest after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: -2 °F

    Snow Likely
    then Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow after noon.  Partly sunny, with a high near 17. Wind chill values as low as -17. West southwest wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 17 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow.  Cloudy, with a low around 14. Southwest wind 15 to 20 mph, with gusts as high as 29 mph.  New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow

  • Monday

    Monday: Snow likely.  Cloudy, with a high near 32. Breezy.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Likely
    and Breezy

  • Monday Night

    Monday Night: Rain and snow likely, becoming all rain after 9pm.  Snow level rising to 7500 feet after midnight. Cloudy, with a low around 30. Breezy.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 30 °F

    Breezy.
    Rain/Snow
    Likely then
    Rain Likely

  • Tuesday

    Tuesday: A chance of rain before 9am, then a chance of rain and snow between 9am and 3pm, then a chance of rain after 3pm.  Snow level 7000 feet. Mostly cloudy, with a high near 37. Breezy.

    High: 37 °F

    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Overnight
Snow, mainly after 4am. Steady temperature around 20. Southwest wind around 8 mph becoming west northwest. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.
Saturday
Snow, mainly before 2pm. Temperature falling to around 6 by 5pm. Wind chill values as low as -11. West wind 9 to 17 mph becoming northeast in the morning. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around -2. Wind chill values as low as -15. Northeast wind 7 to 13 mph becoming west southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday
A 20 percent chance of snow after noon. Partly sunny, with a high near 17. Wind chill values as low as -17. West southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Sunday Night
A 50 percent chance of snow. Cloudy, with a low around 14. Southwest wind 15 to 20 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.
Monday
Snow likely. Cloudy, with a high near 32. Breezy. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
Rain and snow likely, becoming all rain after 9pm. Snow level rising to 7500 feet after midnight. Cloudy, with a low around 30. Breezy. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday
A chance of rain before 9am, then a chance of rain and snow between 9am and 3pm, then a chance of rain after 3pm. Snow level 7000 feet. Mostly cloudy, with a high near 37. Breezy.
Tuesday Night
A chance of rain. Snow level 7300 feet. Mostly cloudy, with a low around 33. Breezy.
Wednesday
A chance of rain. Snow level 7500 feet. Mostly cloudy, with a high near 36. Breezy.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 34. Breezy.
Thursday
A chance of rain. Mostly cloudy, with a high near 39. Breezy.
Thursday Night
A chance of rain and snow. Snow level 8100 feet lowering to 7500 feet after midnight . Mostly cloudy, with a low around 34. Breezy.
Friday
A chance of rain and snow. Snow level 7100 feet. Mostly cloudy, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles W St Mary MT
 48.76°N 113.73°W (Elev. 6640 ft)
2:00 pm MDT Mar 13, 2026
12am MDT Mar 14, 2026-6pm MDT Mar 20, 2026
 
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