Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Current conditions at

ST. MARY (SRYM8)

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

NA

48°F

9°C

Humidity 59%
Wind Speed SW 21 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 18 Mar 09:11 PM MDT
Extended Forecast for

7 Miles S St Mary MT

High Wind Warning March 18, 09:43pm until March 20, 12:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning March 18, 09:43pm until March 20, 12:00am

    NOW until 12:00am Fri

    High Wind Warning

  • Tonight

    Low: 32 °F

    Slight Chance
    Snow and
    Damaging
    Winds

  • Thursday

    Thursday: A 20 percent chance of snow.  Mostly sunny, with a high near 36. Strong and damaging winds, with a west southwest wind 55 to 60 mph, with gusts as high as 90 mph.

    High: 36 °F

    Slight Chance
    Snow and
    Damaging
    Winds

  • Thursday Night

    Thursday Night: A chance of rain and snow.  Mostly cloudy, with a low around 34. Very windy, with a west southwest wind 46 to 50 mph, with gusts as high as 65 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Chance
    Rain/Snow and
    Very Windy

  • Friday

    Friday: Rain and snow likely, mainly after noon.  Mostly cloudy, with a high near 38. Very windy, with a west southwest wind 41 to 46 mph, with gusts as high as 65 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow
    Likely and
    Very Windy

  • Friday Night

    Friday Night: Rain and snow likely, becoming all snow after midnight.  Mostly cloudy, with a low around 27. Very windy, with a west 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: 27 °F

    Rain/Snow
    Likely and
    Very Windy
    then Snow
    Likely and
    Windy

  • Saturday

    Saturday: A 50 percent chance of snow.  Partly sunny, with a high near 29. Windy, with a west wind 31 to 33 mph, with gusts as high as 44 mph.  New snow accumulation of 1 to 2 inches possible.

    High: 29 °F

    Chance Snow
    and Windy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 17. Breezy, with a west southwest wind 24 to 29 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 44 mph.

    Low: 17 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 29. Windy, with a west southwest wind 17 to 22 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 48 mph.

    High: 29 °F

    Sunny and
    Windy

Detailed Forecast

Tonight
A slight chance of snow between 11pm and 4am. Partly cloudy, with a low around 32. Strong and damaging winds, with a west southwest wind 50 to 60 mph, with gusts as high as 90 mph. Chance of precipitation is 20%.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 36. Strong and damaging winds, with a west southwest wind 55 to 60 mph, with gusts as high as 90 mph.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Very windy, with a west southwest wind 46 to 50 mph, with gusts as high as 65 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday
Rain and snow likely, mainly after noon. Mostly cloudy, with a high near 38. Very windy, with a west southwest wind 41 to 46 mph, with gusts as high as 65 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
Rain and snow likely, becoming all snow after midnight. Mostly cloudy, with a low around 27. Very windy, with a west 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.
Saturday
A 50 percent chance of snow. Partly sunny, with a high near 29. Windy, with a west wind 31 to 33 mph, with gusts as high as 44 mph. 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 17. Breezy, with a west southwest wind 24 to 29 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 44 mph.
Sunday
Sunny, with a high near 29. Windy, with a west southwest wind 17 to 22 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 48 mph.
Sunday Night
Partly cloudy, with a low around 21. Windy.
Monday
Partly sunny, with a high near 32. Windy.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 22. Windy.
Tuesday
Snow likely. Mostly cloudy, with a high near 32. Windy.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 22. Windy.
Wednesday
Snow likely. Mostly cloudy, with a high near 28. 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)
9:22 pm MDT Mar 18, 2026
9pm MDT Mar 18, 2026-6pm MDT Mar 25, 2026
 
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Additional Resources

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