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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Logan Pass Visitors Center (LGPVC)

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

NA

36°F

2°C

Humidity 97%
Wind Speed WSW 7 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 20 Mar 07:00 AM MDT
Extended Forecast for

10 Miles W St Mary MT

High Wind Warning until March 21, 12:00pm
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning until March 21, 12:00pm

    NOW until 12:00pm Sat

    High Wind Warning

  • Today

    High: 37 °F

    Snow Likely
    and Windy

  • Tonight

    Tonight: Rain and snow, becoming all snow after midnight. Low around 35. Windy, with a southwest wind 34 to 39 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 35 °F

    Windy.
    Rain/Snow
    then Snow

  • Saturday

    Saturday: Snow, mainly before 5pm. The snow could be heavy at times. Temperature falling to around 31 by 3pm. Windy, with a west southwest wind 30 to 34 mph, with gusts as high as 48 mph. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.

    High: 36 °F⇓

    Heavy Snow
    and Windy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 19. Windy, with a west southwest wind 31 to 33 mph, with gusts as high as 47 mph. New snow accumulation of around an inch possible.

    Low: 19 °F

    Windy. Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 25. Windy, with a west southwest wind 24 to 29 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 48 mph.

    High: 25 °F

    Mostly Sunny
    and Windy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19. Windy, with a west southwest wind 31 to 36 mph decreasing to 22 to 27 mph after midnight. Winds could gust as high as 47 mph.

    Low: 19 °F

    Partly Cloudy
    and Windy

  • Monday

    Monday: Partly sunny, with a high near 30. Breezy, with a west southwest wind 21 to 25 mph, with gusts as high as 37 mph.

    High: 30 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21. West southwest wind 14 to 20 mph, with gusts as high as 34 mph.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow likely, mainly after noon. Mostly cloudy, with a high near 37. Windy, with a west southwest wind 39 to 41 mph, with gusts as high as 60 mph. Chance of precipitation is 70%. Total daytime snow accumulation of around an inch possible.
Tonight
Rain and snow, becoming all snow after midnight. Low around 35. Windy, with a southwest wind 34 to 39 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday
Snow, mainly before 5pm. The snow could be heavy at times. Temperature falling to around 31 by 3pm. Windy, with a west southwest wind 30 to 34 mph, with gusts as high as 48 mph. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 19. Windy, with a west southwest wind 31 to 33 mph, with gusts as high as 47 mph. New snow accumulation of around an inch possible.
Sunday
Mostly sunny, with a high near 25. Windy, with a west southwest wind 24 to 29 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 48 mph.
Sunday Night
Partly cloudy, with a low around 19. Windy, with a west southwest wind 31 to 36 mph decreasing to 22 to 27 mph after midnight. Winds could gust as high as 47 mph.
Monday
Partly sunny, with a high near 30. Breezy, with a west southwest wind 21 to 25 mph, with gusts as high as 37 mph.
Monday Night
Mostly cloudy, with a low around 21. West southwest wind 14 to 20 mph, with gusts as high as 34 mph.
Tuesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 30. Breezy.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 26. Breezy.
Wednesday
Snow likely. Mostly cloudy, with a high near 29. Windy.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 15. Breezy.
Thursday
A chance of snow. Partly sunny, with a high near 23. Breezy.
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Forecast Area
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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:
4:01 am MDT Mar 20, 2026
Forecast Valid:
9am MDT Mar 20, 2026-6pm MDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation