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 >

Hazardous Weather Conditions

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

10 Miles W St Mary MT

Blizzard Warning March 14, 04:39pm until March 14, 06:00pm
Click here for hazard details and duration
...
  •  
    Blizzard Warning March 14, 04:39pm until March 14, 06:00pm

    NOW until 6:00pm Sat

    Blizzard Warning

  • Tonight

    Low: -9 °F

    Snow Likely
    and Patchy
    Blowing Snow
    then Slight
    Chance Snow

  • Sunday

    Sunday: Increasing clouds, with a high near 11. Wind chill values as low as -30. Breezy, with a west southwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 11 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Snow likely, mainly after midnight. Mostly cloudy, with a temperature rising to around 15 by 5am. Wind chill values as low as -10. Windy, with a southwest wind 25 to 34 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 11 °F⇑

    Snow Likely
    and Windy

  • Monday

    Monday: Snow likely, mainly before noon. Cloudy, with a high near 30. Wind chill values as low as -5. Windy, with a southwest wind 38 to 43 mph, with gusts as high as 60 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 30 °F

    Snow Likely
    and Windy

  • Monday Night

    Monday Night: Snow likely, mainly before midnight. Cloudy, with a low around 27. Very windy, with a southwest wind 41 to 49 mph, with gusts as high as 65 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Likely
    and Very
    Windy

  • Tuesday

    Tuesday: A 40 percent chance of snow. Mostly cloudy, with a high near 32. Very windy, with a west southwest wind 44 to 49 mph, with gusts as high as 65 mph. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow
    and Very
    Windy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 31. Windy, with a west southwest wind 36 to 41 mph, with gusts as high as 55 mph. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow
    and Windy

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy, with a high near 33. Windy, with a west southwest wind 34 to 37 mph, with gusts as high as 50 mph.

    High: 33 °F

    Chance Snow
    and Windy

Detailed Forecast

Tonight
Snow likely, mainly before 11pm. Patchy blowing snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -9. Wind chill values as low as -30. North wind 11 to 21 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Increasing clouds, with a high near 11. Wind chill values as low as -30. Breezy, with a west southwest wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 33 mph.
Sunday Night
Snow likely, mainly after midnight. Mostly cloudy, with a temperature rising to around 15 by 5am. Wind chill values as low as -10. Windy, with a southwest wind 25 to 34 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow likely, mainly before noon. Cloudy, with a high near 30. Wind chill values as low as -5. Windy, with a southwest wind 38 to 43 mph, with gusts as high as 60 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Monday Night
Snow likely, mainly before midnight. Cloudy, with a low around 27. Very windy, with a southwest wind 41 to 49 mph, with gusts as high as 65 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
A 40 percent chance of snow. Mostly cloudy, with a high near 32. Very windy, with a west southwest wind 44 to 49 mph, with gusts as high as 65 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 31. Windy, with a west southwest wind 36 to 41 mph, with gusts as high as 55 mph. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow. Mostly cloudy, with a high near 33. Windy, with a west southwest wind 34 to 37 mph, with gusts as high as 50 mph.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 32. Windy.
Thursday
A chance of snow. Mostly cloudy, with a high near 35. Windy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 33. Windy.
Friday
A chance of snow. Mostly cloudy, with a high near 38. Windy.
Friday Night
A chance of snow. Mostly cloudy, with a low around 33. Windy.
Saturday
A chance of snow. Mostly cloudy, with a high near 40. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W St Mary MT
 48.72°N 113.66°W (Elev. 8760 ft)
Last Update:
4:17 pm MDT Mar 14, 2026
Forecast Valid:
4pm MDT Mar 14, 2026-6pm MDT Mar 21, 2026
 
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Additional Resources

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