Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

WEST GLACIER (WGRM8)

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

NA

52°F

11°C

Humidity 82%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 11 Apr 08:12 PM MDT
Extended Forecast for

14 Miles W St Mary MT

  • Tonight

    Tonight: Snow likely, possibly mixed with rain.  Snow level 7700 feet lowering to 6800 feet after midnight . Cloudy, with a low around 30. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain/Snow
    Likely

  • Sunday

    Sunday: Snow likely, mainly before noon.  Mostly cloudy, with a high near 36. West southwest wind 8 to 10 mph becoming east northeast in the morning.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Snow Likely
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 28. East northeast wind 6 to 9 mph becoming north after midnight.  New snow accumulation of less than one inch possible.

    Low: 28 °F

    Chance Snow

  • Monday

    Monday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 36. West southwest wind 6 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow
    then Snow
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 27. West southwest wind 17 to 20 mph, with gusts as high as 30 mph.  New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly before noon.  Mostly cloudy, with a high near 30. Breezy.  Little or no snow accumulation expected.

    High: 30 °F

    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after midnight.  Mostly cloudy, with a low around 24. Breezy.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 24 °F

    Breezy.
    Chance Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow.  Mostly cloudy, with a high near 27. Breezy.

    High: 27 °F

    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow likely.  Mostly cloudy, with a low around 15.

    Low: 15 °F

    Snow Likely

Detailed Forecast

Tonight
Snow likely, possibly mixed with rain. Snow level 7700 feet lowering to 6800 feet after midnight . Cloudy, with a low around 30. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Snow likely, mainly before noon. Mostly cloudy, with a high near 36. West southwest wind 8 to 10 mph becoming east northeast in the morning. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 28. East northeast wind 6 to 9 mph becoming north after midnight. New snow accumulation of less than one inch possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 36. West southwest wind 6 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 27. West southwest wind 17 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Tuesday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 30. Breezy. Little or no snow accumulation expected.
Tuesday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 24. Breezy. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow. Mostly cloudy, with a high near 27. Breezy.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 15.
Thursday
Snow likely. Mostly cloudy, with a high near 23.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 14.
Friday
A chance of snow. Partly sunny, with a high near 28.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 19.
Saturday
A slight chance of snow. Mostly sunny, with a high near 34.
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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 Apr 11, 2026
9pm MDT Apr 11, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database