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

38°F

3°C

Humidity 85%
Wind Speed NW 10 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill31°F (-1°C)
Last update 20 Mar 02:00 PM MDT
Extended Forecast for

9 Miles SW St Mary MT

High Wind Warning March 20, 02:28pm until March 21, 12:00pm
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning March 20, 02:28pm until March 21, 12:00pm

    NOW until 12:00pm Sat

    High Wind Warning

  • This Afternoon

    High: 39 °F

    Rain/Snow
    Likely and
    Windy

  • Tonight

    Tonight: Rain and snow, becoming all snow after 11pm. The snow could be heavy at times. Low around 30. Windy, with a west southwest wind 35 to 40 mph decreasing to 26 to 31 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Windy.
    Rain/Snow
    then Heavy
    Snow

  • Saturday

    Saturday: Snow likely, mainly before noon. Mostly cloudy, with a high near 33. Breezy, with a west southwest wind 23 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Breezy. Snow
    Likely then
    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 20. Breezy, with a west southwest wind 22 to 25 mph, with gusts as high as 34 mph.

    Low: 20 °F

    Breezy.
    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 29. Windy, with a west southwest wind 23 to 28 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 47 mph.

    High: 29 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22. Windy, with a west southwest wind 32 to 37 mph decreasing to 21 to 26 mph after midnight. Winds could gust as high as 47 mph.

    Low: 22 °F

    Partly Cloudy
    and Windy

  • Monday

    Monday: Partly sunny, with a high near 34. Breezy, with a west southwest wind 17 to 24 mph, with gusts as high as 33 mph.

    High: 34 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23. Breezy, with a west southwest wind 14 to 23 mph, with gusts as high as 32 mph.

    Low: 23 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

This Afternoon
A chance of rain and snow before 3pm, then rain likely. Patchy blowing dust before 3pm. Mostly cloudy, with a high near 39. Windy, with a west southwest wind around 41 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain and snow, becoming all snow after 11pm. The snow could be heavy at times. Low around 30. Windy, with a west southwest wind 35 to 40 mph decreasing to 26 to 31 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow likely, mainly before noon. Mostly cloudy, with a high near 33. Breezy, with a west southwest wind 23 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 20. Breezy, with a west southwest wind 22 to 25 mph, with gusts as high as 34 mph.
Sunday
Sunny, with a high near 29. Windy, with a west southwest wind 23 to 28 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 47 mph.
Sunday Night
Partly cloudy, with a low around 22. Windy, with a west southwest wind 32 to 37 mph decreasing to 21 to 26 mph after midnight. Winds could gust as high as 47 mph.
Monday
Partly sunny, with a high near 34. Breezy, with a west southwest wind 17 to 24 mph, with gusts as high as 33 mph.
Monday Night
Mostly cloudy, with a low around 23. Breezy, with a west southwest wind 14 to 23 mph, with gusts as high as 32 mph.
Tuesday
A chance of snow, mainly after noon. Mostly cloudy, with a high near 34. Breezy.
Tuesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 28. Windy.
Wednesday
A chance of snow. Mostly cloudy, with a high near 32. Windy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 18. Windy.
Thursday
A chance of snow. Partly sunny, with a high near 26. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW St Mary MT
 48.64°N 113.58°W (Elev. 8199 ft)
Last Update:
12:56 pm MDT Mar 20, 2026
Forecast Valid:
2pm MDT Mar 20, 2026-6pm MDT Mar 26, 2026
 
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Additional Resources

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Chance of Precipitation