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Hazardous Weather Conditions

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

Lat: 48.74111°NLon: 113.43306°WElev: 4550.0ft.

NA

25°F

-4°C

Humidity 74%
Wind Speed NA 5 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Wind Chill19°F (-7°C)
Last update 13 Mar 04:10 AM MDT
Extended Forecast for

St Mary MT

Winter Storm Warning March 13, 04:34am until March 14, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 13, 04:34am until March 14, 06:00pm

    NOW until 6:00pm Sat

    Winter Storm Warning

  • Overnight

    Low: 16 °F

    Snow

  • Friday

    Friday: Snow. High near 32. Light and variable wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Snow

  • Friday Night

    Friday Night: Snow likely, mainly after 5am. Cloudy, with a low around 18. East wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 18 °F

    Snow Likely

  • Saturday

    Saturday: Snow. High near 26. North wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 26 °F

    Snow

  • Saturday Night

    Saturday Night: A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 6. North wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. New snow accumulation of less than one inch possible.

    Low: 6 °F

    Chance Snow
    then Slight
    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 31. West southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 31 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 22. Southwest wind 9 to 14 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.

    Low: 22 °F

    Chance Snow

  • Monday

    Monday: A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 44. Breezy, with a west southwest wind 16 to 23 mph, with gusts as high as 46 mph.

    High: 44 °F

    Chance Snow
    then Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Overnight
Snow. Low around 16. South southwest wind around 6 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of around an inch possible.
Friday
Snow. High near 32. Light and variable wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow likely, mainly after 5am. Cloudy, with a low around 18. East wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow. High near 26. North wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Saturday Night
A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 6. North wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. New snow accumulation of less than one inch possible.
Sunday
Partly sunny, with a high near 31. West southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 22. Southwest wind 9 to 14 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.
Monday
A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 44. Breezy, with a west southwest wind 16 to 23 mph, with gusts as high as 46 mph.
Monday Night
A chance of rain. Mostly cloudy, with a low around 39. Breezy.
Tuesday
A slight chance of rain. Partly sunny, with a high near 50. Breezy.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Partly sunny, with a high near 53.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 44.
Thursday
A slight chance of rain. Partly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
Last Update:
3:51 am MDT Mar 13, 2026
Forecast Valid:
4am MDT Mar 13, 2026-6pm MDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation