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PNS25-72: Soliciting Comments through December 19, 2025 on the Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices.

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Hazardous Weather Conditions

Current conditions at

ST. MARY (SRYM8)

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

NA

30°F

-1°C

Humidity 67%
Wind Speed S 9 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill22°F (-6°C)
Last update 05 Dec 07:11 AM MST
Extended Forecast for

St Mary MT

Winter Storm Watch December 5, 05:00pm until December 7, 08:00am
Click here for hazard details and duration
Winter Storm Watch

  • Today

    Today: Snow likely, mainly after 5pm. Partly sunny, with a high near 35. Southwest wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 35 °F

    Mostly Sunny
    then Snow
    Likely

  • Tonight

    Tonight: Snow, mainly before 2am. Low around 23. South wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Snow

  • Saturday

    Saturday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 37. West southwest wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 28. West southwest wind 13 to 15 mph, with gusts as high as 36 mph. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow after 11am. Mostly cloudy, with a high near 39. West southwest wind 14 to 17 mph, with gusts as high as 36 mph. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 33. West southwest wind around 18 mph, with gusts as high as 43 mph. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Chance Snow

  • Monday

    Monday: A chance of snow before 2pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 41. West southwest wind around 18 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 41 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: Rain and snow before 2am, then rain between 2am and 5am, then rain, possibly mixed with snow after 5am. Mostly cloudy, with a low around 32. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 55 mph.

    Low: 32 °F

    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Rain and snow. Mostly cloudy, with a high near 42. Breezy.

    High: 42 °F

    Rain/Snow and
    Breezy

Detailed Forecast

Today
Snow likely, mainly after 5pm. Partly sunny, with a high near 35. Southwest wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before 2am. Low around 23. South wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 37. West southwest wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 28. West southwest wind 13 to 15 mph, with gusts as high as 36 mph. New snow accumulation of less than a half inch possible.
Sunday
A 40 percent chance of snow after 11am. Mostly cloudy, with a high near 39. West southwest wind 14 to 17 mph, with gusts as high as 36 mph. New snow accumulation of less than a half inch possible.
Sunday Night
A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 33. West southwest wind around 18 mph, with gusts as high as 43 mph. New snow accumulation of less than a half inch possible.
Monday
A chance of snow before 2pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 41. West southwest wind around 18 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
Rain and snow before 2am, then rain between 2am and 5am, then rain, possibly mixed with snow after 5am. Mostly cloudy, with a low around 32. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 55 mph.
Tuesday
Rain and snow. Mostly cloudy, with a high near 42. Breezy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 26.
Wednesday
Snow likely. Mostly cloudy, with a high near 37.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 24.
Thursday
A chance of snow. Partly sunny, with a high near 36.
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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:
3:52 am MST Dec 5, 2025
Forecast Valid:
7am MST Dec 5, 2025-6pm MST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation