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

N/A

Humidity 85%
Wind Speed NA 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 12 Oct 08:10 AM MDT
Extended Forecast for

St Mary MT

High Wind Warning October 17, 09:00am until October 18, 12:00am
Click here for hazard details and duration
High Wind Warning

  • Today

    Today: Sunny, with a high near 62. Windy, with a west southwest wind 30 to 35 mph increasing to 38 to 43 mph in the afternoon. Winds could gust as high as 70 mph.

    High: 62 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 34. Windy, with a west southwest wind 29 to 39 mph decreasing to 5 to 15 mph. Winds could gust as high as 60 mph.

    Low: 34 °F

    Mostly Clear
    and Windy
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 54. Southwest wind 6 to 8 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. South southwest wind around 5 mph becoming calm after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 61. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 61 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 51. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33. Light and variable wind.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 62. Windy, with a west southwest wind 30 to 35 mph increasing to 38 to 43 mph in the afternoon. Winds could gust as high as 70 mph.
Tonight
Mostly clear, with a low around 34. Windy, with a west southwest wind 29 to 39 mph decreasing to 5 to 15 mph. Winds could gust as high as 60 mph.
Sunday
Sunny, with a high near 54. Southwest wind 6 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 34. South southwest wind around 5 mph becoming calm after midnight.
Monday
Partly sunny, with a high near 61. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 37. Calm wind.
Tuesday
Partly sunny, with a high near 51. Calm wind becoming north northeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 33. Light and variable wind.
Wednesday
Sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 35.
Friday
Rain and snow likely. Mostly cloudy, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.76°N 113.44°W (Elev. 4741 ft)
Last Update:
4:01 am MDT Oct 17, 2026
Forecast Valid:
6am MDT Oct 17, 2026-6pm MDT Oct 23, 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