National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

35°F

2°C

Humidity 62%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 07 Dec 12:10 AM MST
Extended Forecast for

4 Miles SW St Mary MT

  • Overnight

    Overnight: Patchy blowing snow before 5am. Partly cloudy, with a low around 29. West southwest wind 17 to 20 mph, with gusts as high as 41 mph.

    Low: 29 °F

    Patchy
    Blowing Snow

  • Sunday

    Sunday: A 40 percent chance of snow, mainly after 4pm. Patchy blowing snow between 9am and 11am. Mostly cloudy, with a high near 36. West southwest wind 16 to 20 mph, with gusts as high as 40 mph. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Patchy
    Blowing Snow
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 33. Breezy, with a west southwest wind 23 to 25 mph, with gusts as high as 60 mph. New snow accumulation of less than one inch possible.

    Low: 33 °F

    Chance Snow
    and Breezy

  • Monday

    Monday: Snow likely before 2pm, then snow, possibly mixed with rain. High near 39. Breezy, with a west southwest wind 24 to 28 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Breezy. Snow
    Likely then
    Rain/Snow

  • Monday Night

    Monday Night: Rain and snow before 8pm, then rain between 8pm and 2am, then rain, possibly mixed with snow after 2am. Low around 32. Windy, with a west southwest wind 26 to 36 mph, with gusts as high as 75 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow and
    Windy

  • Tuesday

    Tuesday: Snow likely, mainly before 11am. Partly sunny, with a high near 38. Windy, with a west southwest wind 22 to 32 mph, with gusts as high as 70 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Likely
    and Windy
    then Chance
    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 26. Southwest wind 13 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Snow Likely

  • Wednesday

    Wednesday: Snow likely. Mostly cloudy, with a high near 35. West wind 11 to 13 mph, with gusts as high as 29 mph.

    High: 35 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow likely. Mostly cloudy, with a low around 11.

    Low: 11 °F

    Snow Likely

Detailed Forecast

Overnight
Patchy blowing snow before 5am. Partly cloudy, with a low around 29. West southwest wind 17 to 20 mph, with gusts as high as 41 mph.
Sunday
A 40 percent chance of snow, mainly after 4pm. Patchy blowing snow between 9am and 11am. Mostly cloudy, with a high near 36. West southwest wind 16 to 20 mph, with gusts as high as 40 mph. New snow accumulation of less than a half inch possible.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 33. Breezy, with a west southwest wind 23 to 25 mph, with gusts as high as 60 mph. New snow accumulation of less than one inch possible.
Monday
Snow likely before 2pm, then snow, possibly mixed with rain. High near 39. Breezy, with a west southwest wind 24 to 28 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday Night
Rain and snow before 8pm, then rain between 8pm and 2am, then rain, possibly mixed with snow after 2am. Low around 32. Windy, with a west southwest wind 26 to 36 mph, with gusts as high as 75 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday
Snow likely, mainly before 11am. Partly sunny, with a high near 38. Windy, with a west southwest wind 22 to 32 mph, with gusts as high as 70 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 26. Southwest wind 13 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow likely. Mostly cloudy, with a high near 35. West wind 11 to 13 mph, with gusts as high as 29 mph.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 11.
Thursday
A chance of snow. Mostly cloudy, with a high near 21.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 11.
Friday
A chance of snow. Mostly cloudy, with a high near 29.
Friday Night
A chance of snow. Mostly cloudy, with a low around 23.
Saturday
A chance of rain and snow. Partly sunny, with a high near 40.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW St Mary MT
 48.71°N 113.5°W (Elev. 4800 ft)
Last Update:
1:13 am MST Dec 7, 2025
Forecast Valid:
1am MST Dec 7, 2025-6pm MST Dec 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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