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

Hazardous Weather Conditions

Current conditions at

ST. MARY (SRYM8)

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

NA

23°F

-5°C

Humidity 78%
Wind Speed NNE 7 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill15°F (-9°C)
Last update 13 Mar 12:11 PM MDT
Extended Forecast for

7 Miles S St Mary MT

Winter Storm Warning March 13, 12:54pm until March 14, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 13, 12:54pm until March 14, 06:00pm

    NOW until 6:00pm Sat

    Winter Storm Warning

  • This Afternoon

    High: 17 °F

    Snow

  • Tonight

    Tonight: Snow. Steady temperature around 16. Wind chill values as low as zero. West southwest wind 14 to 17 mph becoming south after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 16 °F

    Snow

  • Saturday

    Saturday: Snow, mainly before 4pm. The snow could be heavy at times. Temperature falling to around 0 by 5pm. Wind chill values as low as -25. Blustery, with a west southwest wind 15 to 20 mph becoming north 23 to 28 mph in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 11 °F⇓

    Heavy Snow
    and Blustery

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around -3. Wind chill values as low as -25. Blustery, with a north wind 14 to 23 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: -3 °F

    Snow Likely
    and Blustery
    then Chance
    Snow

  • Sunday

    Sunday: Partly sunny, with a high near 14. Breezy, with a west southwest wind 17 to 25 mph, with gusts as high as 33 mph.

    High: 14 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 12. Windy, with a west southwest wind 26 to 34 mph, with gusts as high as 41 mph. Little or no snow accumulation expected.

    Low: 12 °F

    Chance Snow
    and Windy

  • Monday

    Monday: A 50 percent chance of snow. Cloudy, with a high near 31. Very windy, with a west southwest wind 40 to 49 mph, with gusts as high as 65 mph. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow
    and Very
    Windy

  • Monday Night

    Monday Night: A chance of rain and snow before 9pm, then a chance of rain. Mostly cloudy, with a low around 29. Very windy, with a west southwest wind 43 to 47 mph, with gusts as high as 70 mph.

    Low: 29 °F

    Chance
    Rain/Snow and
    Windy then
    Chance Rain
    and Very
    Windy

Detailed Forecast

This Afternoon
Snow. High near 17. Wind chill values as low as -5. West wind 14 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 7 inches possible.
Tonight
Snow. Steady temperature around 16. Wind chill values as low as zero. West southwest wind 14 to 17 mph becoming south after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow, mainly before 4pm. The snow could be heavy at times. Temperature falling to around 0 by 5pm. Wind chill values as low as -25. Blustery, with a west southwest wind 15 to 20 mph becoming north 23 to 28 mph in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Saturday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around -3. Wind chill values as low as -25. Blustery, with a north wind 14 to 23 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Sunday
Partly sunny, with a high near 14. Breezy, with a west southwest wind 17 to 25 mph, with gusts as high as 33 mph.
Sunday Night
A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 12. Windy, with a west southwest wind 26 to 34 mph, with gusts as high as 41 mph. Little or no snow accumulation expected.
Monday
A 50 percent chance of snow. Cloudy, with a high near 31. Very windy, with a west southwest wind 40 to 49 mph, with gusts as high as 65 mph. New snow accumulation of less than a half inch possible.
Monday Night
A chance of rain and snow before 9pm, then a chance of rain. Mostly cloudy, with a low around 29. Very windy, with a west southwest wind 43 to 47 mph, with gusts as high as 70 mph.
Tuesday
A chance of rain before 9am, then a chance of rain and snow between 9am and noon, then a slight chance of rain after noon. Mostly cloudy, with a high near 35. Very windy.
Tuesday Night
A chance of rain before 3am, then a chance of rain and snow. Mostly cloudy, with a low around 33. Windy.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 36. Windy.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Windy.
Thursday
A slight chance of rain and snow. Mostly cloudy, with a high near 38. Windy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S St Mary MT
 48.64°N 113.42°W (Elev. 7927 ft)
Last Update:
12:36 pm MDT Mar 13, 2026
Forecast Valid:
12pm MDT Mar 13, 2026-6pm MDT Mar 19, 2026
 
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