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

Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

31°F

-1°C

Humidity 79%
Wind Speed NA 8 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 15 Feb 01:10 AM MST
Extended Forecast for

5 Miles WSW St Mary MT

  • Overnight

    Overnight: A 20 percent chance of snow. Mostly cloudy, with a low around 20. West southwest wind 15 to 17 mph, with gusts as high as 31 mph.

    Low: 20 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow between 4pm and 5pm. Partly sunny, with a high near 25. West wind 13 to 18 mph, with gusts as high as 34 mph.

    High: 25 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 21. West southwest wind 17 to 20 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 31. South southwest wind 16 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow Likely

  • Monday Night

    Monday Night: Snow likely. Mostly cloudy, with a low around 14. South southwest wind 10 to 16 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 14 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow. High near 17. Northwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 17 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around -8. North wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: -8 °F

    Snow Likely

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy and cold, with a high near -2. North northeast wind around 14 mph, with gusts as high as 23 mph.

    High: -2 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around -8.

    Low: -8 °F

    Chance Snow

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 20. West southwest wind 15 to 17 mph, with gusts as high as 31 mph.
Sunday
A 20 percent chance of snow between 4pm and 5pm. Partly sunny, with a high near 25. West wind 13 to 18 mph, with gusts as high as 34 mph.
Sunday Night
A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 21. West southwest wind 17 to 20 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.
Washington's Birthday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 31. South southwest wind 16 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Monday Night
Snow likely. Mostly cloudy, with a low around 14. South southwest wind 10 to 16 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Snow. High near 17. Northwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around -8. North wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Wednesday
A chance of snow. Mostly cloudy and cold, with a high near -2. North northeast wind around 14 mph, with gusts as high as 23 mph.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around -8.
Thursday
A chance of snow. Partly sunny, with a high near 10.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 4.
Friday
A chance of snow. Mostly cloudy, with a high near 15.
Friday Night
A chance of snow. Mostly cloudy, with a low around 7.
Saturday
A chance of snow. Partly sunny, with a high near 19.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW St Mary MT
 48.73°N 113.53°W (Elev. 6778 ft)
Last Update:
11:32 pm MST Feb 14, 2026
Forecast Valid:
2am MST Feb 15, 2026-6pm MST Feb 21, 2026
 
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