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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

38°F

3°C

Humidity 79%
Wind Speed NA 6 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 15 Apr 05:10 PM MDT
Extended Forecast for

St Mary MT

Winter Weather Advisory April 15, 05:59pm until April 16, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 15, 05:59pm until April 16, 12:00pm

    NOW until 12:00pm Thu

    Winter Weather Advisory

  • This Afternoon

    High: 45 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: Snow showers likely before midnight, then snow, mainly after midnight. Low around 19. West southwest wind 9 to 13 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 19 °F

    Snow Showers
    Likely then
    Snow

  • Thursday

    Thursday: Snow, mainly before 10am, then snow showers likely after noon. High near 33. North wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 33 °F

    Snow then
    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of snow showers before midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around 21. North wind 5 to 7 mph becoming west southwest after midnight. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 40 percent chance of snow, mainly after noon. Partly sunny, with a high near 41. West southwest wind around 7 mph becoming northwest in the afternoon. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. West southwest wind 5 to 7 mph.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 48. West southwest wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A chance of rain and snow showers. Partly sunny, with a high near 45. Southwest wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers likely before midnight, then snow, mainly after midnight. Low around 19. West southwest wind 9 to 13 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow, mainly before 10am, then snow showers likely after noon. High near 33. North wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Thursday Night
A chance of snow showers before midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around 21. North wind 5 to 7 mph becoming west southwest after midnight. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow, mainly after noon. Partly sunny, with a high near 41. West southwest wind around 7 mph becoming northwest in the afternoon. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 25. West southwest wind 5 to 7 mph.
Saturday
Sunny, with a high near 48. West southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 32. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Sunny, with a high near 67.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 42.
Wednesday
A chance of rain. Partly sunny, with a high near 61.
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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:
4:41 pm MDT Apr 15, 2026
Forecast Valid:
5pm MDT Apr 15, 2026-6pm MDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation