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

Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

Logan Pass Visitors Center (LGPVC)

Lat: 48.6949°NLon: 113.7169°WElev: 6775.0ft.

NA

19°F

-7°C

Humidity 92%
Wind Speed NW 4 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill13°F (-11°C)
Last update 13 Mar 05:00 PM MDT
Extended Forecast for

11 Miles SSW St Mary MT

  • Tonight

    Tonight: Snow likely, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -4. Wind chill values as low as -20. Northeast wind 7 to 10 mph becoming southwest after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: -4 °F

    Snow Likely
    then Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 17. Wind chill values as low as -20. West southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 17 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 15. Wind chill values as low as zero. Breezy, with a southwest wind 18 to 23 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 15 °F

    Snow Likely
    and Breezy

  • Monday

    Monday: Snow likely. Mostly cloudy, with a high near 33. Windy, with a west southwest wind 32 to 36 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Likely
    and Windy

  • Monday Night

    Monday Night: Snow likely before 9pm, then rain and snow likely between 9pm and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 31. Very windy, with a southwest wind 39 to 45 mph, with gusts as high as 60 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    Likely and
    Very Windy

  • Tuesday

    Tuesday: A chance of snow before 3pm, then a chance of rain and snow. Partly sunny, with a high near 36. Windy, with a west southwest wind 38 to 44 mph, with gusts as high as 55 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 36 °F

    Windy. Chance
    Snow then
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow likely, mainly before midnight. Mostly cloudy, with a low around 35. Windy, with a west southwest wind 31 to 38 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    Likely and
    Windy

  • Wednesday

    Wednesday: A chance of rain and snow before 3pm, then a chance of rain. Mostly cloudy, with a high near 38. Windy, with a west southwest wind 29 to 31 mph, with gusts as high as 45 mph.

    High: 38 °F

    Chance
    Rain/Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Rain likely before 3am, then rain and snow likely. Mostly cloudy, with a low around 36. Windy.

    Low: 36 °F

    Rain Likely
    and Windy
    then
    Rain/Snow
    Likely and
    Breezy

Detailed Forecast

Tonight
Snow likely, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -4. Wind chill values as low as -20. Northeast wind 7 to 10 mph becoming southwest after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Mostly sunny, with a high near 17. Wind chill values as low as -20. West southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 15. Wind chill values as low as zero. Breezy, with a southwest wind 18 to 23 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Snow likely. Mostly cloudy, with a high near 33. Windy, with a west southwest wind 32 to 36 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
Snow likely before 9pm, then rain and snow likely between 9pm and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 31. Very windy, with a southwest wind 39 to 45 mph, with gusts as high as 60 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday
A chance of snow before 3pm, then a chance of rain and snow. Partly sunny, with a high near 36. Windy, with a west southwest wind 38 to 44 mph, with gusts as high as 55 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
Rain and snow likely, mainly before midnight. Mostly cloudy, with a low around 35. Windy, with a west southwest wind 31 to 38 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow before 3pm, then a chance of rain. Mostly cloudy, with a high near 38. Windy, with a west southwest wind 29 to 31 mph, with gusts as high as 45 mph.
Wednesday Night
Rain likely before 3am, then rain and snow likely. Mostly cloudy, with a low around 36. Windy.
Thursday
A chance of rain and snow before noon, then a chance of rain. Mostly cloudy, with a high near 40. Breezy.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 38. Windy.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 42. Breezy.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 36. Breezy.
Saturday
A chance of rain and snow. Partly sunny, with a high near 44. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSW St Mary MT
 48.61°N 113.54°W (Elev. 6765 ft)
Last Update:
8:46 pm MDT Mar 14, 2026
Forecast Valid:
10pm MDT Mar 14, 2026-6pm MDT Mar 21, 2026
 
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