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

Hazardous Weather Conditions

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

29°F

-2°C

Humidity 80%
Wind Speed NA 6 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill23°F (-5°C)
Last update 02 Apr 10:10 PM MDT
Extended Forecast for

St Mary MT

Winter Weather Advisory April 2, 10:39pm until April 3, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 2, 10:39pm until April 3, 06:00am

    NOW until 6:00am Fri

    Winter Weather Advisory

  • Tonight

    Low: 27 °F

    Slight Chance
    Snow

  • Friday

    Friday: Sunny, with a high near 43. West southwest wind 6 to 11 mph, with gusts as high as 24 mph.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29. Southwest wind around 11 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48. West wind around 10 mph, with gusts as high as 22 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 48. Calm wind becoming east southeast around 6 mph in the afternoon.

    High: 48 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. East wind 3 to 6 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 54. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 54 °F

    Partly Sunny

Detailed Forecast

Tonight
A 20 percent chance of snow between midnight and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 27. North wind around 5 mph becoming light and variable.
Friday
Sunny, with a high near 43. West southwest wind 6 to 11 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 29. Southwest wind around 11 mph, with gusts as high as 25 mph.
Saturday
Mostly sunny, with a high near 48. West wind around 10 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 30. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Sunday
Partly sunny, with a high near 48. Calm wind becoming east southeast around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 31. East wind 3 to 6 mph.
Monday
Partly sunny, with a high near 54. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
A slight chance of rain after noon. Mostly sunny, with a high near 54.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 26.
Wednesday
A chance of snow. Partly sunny, with a high near 40.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 22.
Thursday
A chance of snow. Partly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
Last Update:
10:26 pm MDT Apr 2, 2026
Forecast Valid:
10pm MDT Apr 2, 2026-6pm MDT Apr 9, 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