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 >

Current conditions at

ST. MARY (SRYM8)

Lat: 48.74108°NLon: 113.43289°WElev: 4557.0ft.

NA

52°F

11°C

Humidity 61%
Wind Speed SW 24 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 20 Mar 12:11 PM MDT
Extended Forecast for

7 Miles S 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

  • This Afternoon

    High: 38 °F

    Rain Likely
    and Very
    Windy

  • Tonight

    Tonight: Rain, possibly mixed with snow, becoming all snow after 1am.  Patchy blowing dust before 8pm. Low around 28. Very windy, with a west southwest wind 40 to 45 mph decreasing to 31 to 36 mph after midnight. Winds could gust as high as 60 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 28 °F

    Rain/Snow and
    Very Windy

  • Saturday

    Saturday: Snow likely, mainly before 7am.  Partly sunny, with a high near 31. Windy, with a west wind 26 to 30 mph, with gusts as high as 40 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Windy. Snow
    Likely then
    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 19. Breezy, with a west southwest wind 24 to 29 mph, with gusts as high as 38 mph.

    Low: 19 °F

    Breezy.
    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 26. Windy, with a west southwest wind 25 to 30 mph increasing to 32 to 37 mph in the afternoon. Winds could gust as high as 50 mph.

    High: 26 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. Windy, with a west southwest wind 34 to 39 mph decreasing to 22 to 27 mph after midnight. Winds could gust as high as 50 mph.

    Low: 20 °F

    Partly Cloudy
    and Windy

  • Monday

    Monday: Partly sunny, with a high near 32. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 37 mph.

    High: 32 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21. Breezy, with a west southwest wind 17 to 26 mph, with gusts as high as 37 mph.

    Low: 21 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

This Afternoon
Rain likely, mainly after 4pm. Areas of blowing dust. Partly sunny, with a high near 38. Very windy, with a west southwest wind 46 to 55 mph, with gusts as high as 70 mph. Chance of precipitation is 60%.
Tonight
Rain, possibly mixed with snow, becoming all snow after 1am. Patchy blowing dust before 8pm. Low around 28. Very windy, with a west southwest wind 40 to 45 mph decreasing to 31 to 36 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow likely, mainly before 7am. Partly sunny, with a high near 31. Windy, with a west wind 26 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 19. Breezy, with a west southwest wind 24 to 29 mph, with gusts as high as 38 mph.
Sunday
Sunny, with a high near 26. Windy, with a west southwest wind 25 to 30 mph increasing to 32 to 37 mph in the afternoon. Winds could gust as high as 50 mph.
Sunday Night
Partly cloudy, with a low around 20. Windy, with a west southwest wind 34 to 39 mph decreasing to 22 to 27 mph after midnight. Winds could gust as high as 50 mph.
Monday
Partly sunny, with a high near 32. Breezy, with a west southwest wind 21 to 26 mph, with gusts as high as 37 mph.
Monday Night
Mostly cloudy, with a low around 21. Breezy, with a west southwest wind 17 to 26 mph, with gusts as high as 37 mph.
Tuesday
A chance of snow, mainly after noon. Mostly cloudy, with a high near 33. Breezy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 27. Windy.
Wednesday
A chance of snow. Mostly cloudy, with a high near 30. Very windy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 16. Very windy.
Thursday
A chance of snow. Partly sunny, with a high near 24. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S St Mary MT
 48.64°N 113.42°W (Elev. 7927 ft)
12:32 pm MDT Mar 20, 2026
12pm MDT Mar 20, 2026-6pm MDT Mar 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database