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

Hazardous Weather Conditions

Current conditions at

ST. MARY (SRYM8)

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

NA

34°F

1°C

Humidity 64%
Wind Speed WSW 14 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill25°F (-4°C)
Last update 12 Mar 10:11 AM MDT
Extended Forecast for

7 Miles S St Mary MT

Winter Storm Warning March 12, 03:00pm until March 14, 06:00pm
Blizzard Warning March 12, 10:35am until March 12, 03:00pm
High Wind Warning March 12, 10:35am until March 12, 03:00pm
Click here for hazard details and duration
Winter Storm Warning
Blizzard Warning
High Wind Warning
  •  
    Blizzard Warning March 12, 10:35am until March 12, 03:00pm
    High Wind Warning March 12, 10:35am until March 12, 03:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 20 °F

    Snow Likely
    and Blowing
    Snow

  • Tonight

    Tonight: Snow. Widespread blowing snow, mainly before 3am. Low around 11. Wind chill values as low as -10. Windy, with a west wind 34 to 44 mph decreasing to 21 to 31 mph. Winds could gust as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 11 °F

    Snow and
    Blowing Snow

  • Friday

    Friday: Snow. High near 18. Wind chill values as low as -10. Breezy, with a west wind 20 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 18 °F

    Snow and
    Breezy

  • Friday Night

    Friday Night: Snow. Low around 7. Wind chill values as low as -5. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 7 °F

    Snow and
    Breezy

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 12. Blustery, with a north wind 15 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 12 °F

    Heavy Snow
    and Blustery

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around -3. Blustery, with a north wind 15 to 22 mph becoming west southwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: -3 °F

    Snow Likely
    and Blustery
    then Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 15. Breezy, with a west southwest wind 17 to 25 mph, with gusts as high as 33 mph.

    High: 15 °F

    Partly Sunny
    then Slight
    Chance Snow
    and Breezy

  • Sunday Night

    Sunday Night: A chance of snow. Cloudy, with a low around 12. Windy, with a southwest wind 26 to 31 mph, with gusts as high as 38 mph.

    Low: 12 °F

    Chance Snow
    and Windy

Detailed Forecast

Today
Snow likely, mainly after 2pm. Widespread blowing snow. Mostly cloudy, with a high near 20. Wind chill values as low as -10. Very windy, with a west wind 50 to 55 mph decreasing to 43 to 48 mph in the afternoon. Winds could gust as high as 80 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow. Widespread blowing snow, mainly before 3am. Low around 11. Wind chill values as low as -10. Windy, with a west wind 34 to 44 mph decreasing to 21 to 31 mph. Winds could gust as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday
Snow. High near 18. Wind chill values as low as -10. Breezy, with a west wind 20 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow. Low around 7. Wind chill values as low as -5. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 12. Blustery, with a north wind 15 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Saturday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around -3. Blustery, with a north wind 15 to 22 mph becoming west southwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Sunday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 15. Breezy, with a west southwest wind 17 to 25 mph, with gusts as high as 33 mph.
Sunday Night
A chance of snow. Cloudy, with a low around 12. Windy, with a southwest wind 26 to 31 mph, with gusts as high as 38 mph.
Monday
A chance of snow. Cloudy, with a high near 32. Windy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 30. Windy.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 35. Windy.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 33. Windy.
Wednesday
Mostly sunny, with a high near 38. Windy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S St Mary MT
 48.64°N 113.42°W (Elev. 7927 ft)
Last Update:
5:52 am MDT Mar 12, 2026
Forecast Valid:
10am MDT Mar 12, 2026-6pm MDT Mar 18, 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