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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

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

18°F

-8°C

Humidity 80%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Last update 06 Dec 02:10 AM MST
Extended Forecast for

St Mary MT

Winter Weather Advisory December 6, 02:57am until December 6, 09:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 6, 02:57am until December 6, 09:00pm

    NOW until 9:00pm Sat

    Winter Weather Advisory

  • Overnight

    Low: 12 °F

    Chance Snow

  • Saturday

    Saturday: A 50 percent chance of snow, mainly after 1pm. Partly sunny, with a high near 31. Southwest wind 6 to 14 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 29. West southwest wind 15 to 17 mph, with gusts as high as 39 mph. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow after 11am. Mostly cloudy, with a high near 38. West southwest wind 14 to 16 mph, with gusts as high as 33 mph. Little or no snow accumulation expected.

    High: 38 °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 16 to 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 42. West southwest wind around 18 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: Rain, possibly mixed with snow, becoming all rain after 2am. Low around 34. Breezy, with a west southwest wind 18 to 25 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Rain likely before 8am, then rain and snow likely. Mostly cloudy, with a high near 42. Breezy, with a west southwest wind 15 to 23 mph, with gusts as high as 55 mph.

    High: 42 °F

    Rain/Snow
    Likely and
    Breezy

Detailed Forecast

Overnight
A 40 percent chance of snow, mainly before 3am. Mostly cloudy, with a low around 12. West wind around 8 mph, with gusts as high as 18 mph. Total nighttime snow accumulation of less than one inch possible.
Saturday
A 50 percent chance of snow, mainly after 1pm. Partly sunny, with a high near 31. Southwest wind 6 to 14 mph, with gusts as high as 29 mph. 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 29. West southwest wind 15 to 17 mph, with gusts as high as 39 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 38. West southwest wind 14 to 16 mph, with gusts as high as 33 mph. Little or no snow accumulation expected.
Sunday Night
A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 33. West southwest wind 16 to 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 42. West southwest wind around 18 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
Rain, possibly mixed with snow, becoming all rain after 2am. Low around 34. Breezy, with a west southwest wind 18 to 25 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday
Rain likely before 8am, then rain and snow likely. Mostly cloudy, with a high near 42. Breezy, with a west southwest wind 15 to 23 mph, with gusts as high as 55 mph.
Tuesday Night
A chance of rain and snow before 8pm, then snow likely. Mostly cloudy, with a low around 30.
Wednesday
Snow likely before 8am, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 42.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 17.
Thursday
Snow likely. Mostly cloudy, with a high near 29.
Thursday Night
Snow likely. Mostly cloudy, with a low around 13.
Friday
Snow likely. Mostly cloudy, with a high near 30.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
Last Update:
1:27 am MST Dec 6, 2025
Forecast Valid:
2am MST Dec 6, 2025-6pm MST Dec 12, 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