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

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

WEST GLACIER (WGRM8)

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

NA

60°F

16°C

Humidity 46%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 12 Apr 05:12 PM MDT
Extended Forecast for

14 Miles W St Mary MT

  • Tonight

    Tonight: A slight chance of snow between 3am and 4am. Mostly cloudy, with a low around 27. East northeast wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Monday

    Monday: A chance of snow before 3pm, then rain and snow likely. Mostly cloudy, with a high near 38. West southwest wind 6 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 38 °F

    Slight Chance
    Snow then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 27. Southwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A 20 percent chance of snow. Mostly cloudy, with a high near 30. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 40 mph.

    High: 30 °F

    Slight Chance
    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after midnight. Cloudy, with a low around 25. Breezy, with a west southwest wind 22 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Breezy.
    Chance Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow. High near 29. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 29 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow likely. Mostly cloudy, with a low around 14. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

    Low: 14 °F

    Snow Likely

  • Thursday

    Thursday: Snow. Mostly cloudy, with a high near 24.

    High: 24 °F

    Snow

  • Thursday Night

    Thursday Night: A chance of snow, mainly before midnight. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow

Detailed Forecast

Tonight
A slight chance of snow between 3am and 4am. Mostly cloudy, with a low around 27. East northeast wind 6 to 8 mph. Chance of precipitation is 20%.
Monday
A chance of snow before 3pm, then rain and snow likely. Mostly cloudy, with a high near 38. West southwest wind 6 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 27. Southwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 30. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 40 mph.
Tuesday Night
Snow likely, mainly after midnight. Cloudy, with a low around 25. Breezy, with a west southwest wind 22 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow. High near 29. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 14. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow. Mostly cloudy, with a high near 24.
Thursday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 15.
Friday
A chance of snow, mainly after noon. Partly sunny, with a high near 29.
Friday Night
A chance of snow. Mostly cloudy, with a low around 20.
Saturday
A slight chance of snow. Partly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
A slight chance of snow. Mostly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles W St Mary MT
 48.76°N 113.73°W (Elev. 6640 ft)
Last Update:
2:01 pm MDT Apr 12, 2026
Forecast Valid:
6pm MDT Apr 12, 2026-6pm MDT Apr 19, 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