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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

WEST GLACIER (WGRM8)

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

NA

48°F

9°C

Humidity 75%
Wind Speed ESE 1 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 17 Mar 11:12 AM MDT
Extended Forecast for

14 Miles W St Mary MT

  • Today

    Today: A slight chance of snow before 4pm, then a slight chance of rain and snow. Mostly cloudy, with a high near 35. Breezy, with a west southwest wind around 24 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: A chance of rain and snow, mainly after 8pm. Snow level 7000 feet. Mostly cloudy, with a low around 32. Breezy, with a southwest wind around 23 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance
    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: Rain and snow likely, mainly before noon. Snow level 7300 feet. Mostly cloudy, with a high near 35. Breezy, with a southwest wind around 23 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Breezy.
    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Snow level 7600 feet. Mostly cloudy, with a low around 33. Breezy, with a southwest wind around 23 mph, with gusts as high as 36 mph.

    Low: 33 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: A chance of rain before 9am, then a chance of rain and snow between 9am and noon, then a chance of rain after noon. Snow level 7600 feet. Mostly cloudy, with a high near 38. Breezy, with a southwest wind 23 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 38 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 36. Breezy.

    Low: 36 °F

    Chance Rain
    and Breezy

  • Friday

    Friday: Rain likely, mainly after noon. Mostly cloudy, with a high near 41. Breezy. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Rain Likely
    and Breezy

  • Friday Night

    Friday Night: Rain likely before 9pm, then rain and snow likely. Snow level 7800 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 30. Breezy.

    Low: 30 °F

    Rain/Snow
    Likely and
    Breezy

  • Saturday

    Saturday: Snow likely. Mostly cloudy, with a high near 32.

    High: 32 °F

    Snow Likely

Detailed Forecast

Today
A slight chance of snow before 4pm, then a slight chance of rain and snow. Mostly cloudy, with a high near 35. Breezy, with a west southwest wind around 24 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Tonight
A chance of rain and snow, mainly after 8pm. Snow level 7000 feet. Mostly cloudy, with a low around 32. Breezy, with a southwest wind around 23 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow likely, mainly before noon. Snow level 7300 feet. Mostly cloudy, with a high near 35. Breezy, with a southwest wind around 23 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 40 percent chance of rain. Snow level 7600 feet. Mostly cloudy, with a low around 33. Breezy, with a southwest wind around 23 mph, with gusts as high as 36 mph.
Thursday
A chance of rain before 9am, then a chance of rain and snow between 9am and noon, then a chance of rain after noon. Snow level 7600 feet. Mostly cloudy, with a high near 38. Breezy, with a southwest wind 23 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 36. Breezy.
Friday
Rain likely, mainly after noon. Mostly cloudy, with a high near 41. Breezy. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely before 9pm, then rain and snow likely. Snow level 7800 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 30. Breezy.
Saturday
Snow likely. Mostly cloudy, with a high near 32.
Saturday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 20.
Sunday
A slight chance of snow. Mostly sunny, with a high near 31.
Sunday Night
A slight chance of snow. Partly cloudy, with a low around 20.
Monday
A slight chance of snow. Partly sunny, with a high near 31. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles W St Mary MT
 48.76°N 113.73°W (Elev. 6640 ft)
Last Update:
2:01 am MDT Mar 17, 2026
Forecast Valid:
11am MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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