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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

29°F

-2°C

Humidity 84%
Wind Speed SSW 19 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill16°F (-9°C)
Last update 04 Dec 04:11 AM MST
Extended Forecast for

St Mary MT

Winter Storm Watch December 5, 05:00am until December 6, 05:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: A 10 percent chance of snow after 5am. Patchy blowing snow. Partly cloudy, with a steady temperature around 27. Southwest wind around 17 mph, with gusts as high as 36 mph.

    Low: 27 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly before 8am. Patchy blowing snow before 1pm. Mostly cloudy, with a high near 34. West southwest wind 14 to 18 mph, with gusts as high as 37 mph. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22. Southwest wind 7 to 13 mph, with gusts as high as 26 mph.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: Snow, mainly after 11am. High near 34. Southwest wind 5 to 8 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow

  • Friday Night

    Friday Night: Snow. Low around 16. South southwest wind around 6 mph becoming north northwest in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 16 °F

    Snow

  • Saturday

    Saturday: Snow likely. Mostly cloudy, with a high near 36. West southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 28. West southwest wind 10 to 14 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow, mainly after 11am. Mostly cloudy, with a high near 40. West southwest wind 13 to 15 mph, with gusts as high as 31 mph.

    High: 40 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Snow

Detailed Forecast

Overnight
A 10 percent chance of snow after 5am. Patchy blowing snow. Partly cloudy, with a steady temperature around 27. Southwest wind around 17 mph, with gusts as high as 36 mph.
Thursday
A 30 percent chance of snow, mainly before 8am. Patchy blowing snow before 1pm. Mostly cloudy, with a high near 34. West southwest wind 14 to 18 mph, with gusts as high as 37 mph. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly cloudy, with a low around 22. Southwest wind 7 to 13 mph, with gusts as high as 26 mph.
Friday
Snow, mainly after 11am. High near 34. Southwest wind 5 to 8 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Snow. Low around 16. South southwest wind around 6 mph becoming north northwest in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday
Snow likely. Mostly cloudy, with a high near 36. West southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 28. West southwest wind 10 to 14 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.
Sunday
A chance of snow, mainly after 11am. Mostly cloudy, with a high near 40. West southwest wind 13 to 15 mph, with gusts as high as 31 mph.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 32.
Monday
A chance of snow, mainly after 11am. Partly sunny, with a high near 40.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 31.
Tuesday
Rain and snow. Mostly cloudy, with a high near 40.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 25.
Wednesday
Snow likely. Mostly cloudy, 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:
4:22 am MST Dec 4, 2025
Forecast Valid:
4am MST Dec 4, 2025-6pm MST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation