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

52°F

11°C

Humidity 41%
Wind Speed NA 5 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 05 Apr 05:10 PM MDT
Extended Forecast for

St Mary MT

High Wind Watch April 7, 06:00am until April 7, 09:00pm
Click here for hazard details and duration
High Wind Watch

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. East southeast wind around 7 mph.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 55. East southeast wind 6 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 55 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. Breezy, with a south southwest wind 10 to 15 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 47 mph.

    Low: 44 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: A slight chance of rain before noon, then snow likely. Partly sunny, with a high near 51. Windy, with a southwest wind 30 to 34 mph, with gusts as high as 60 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 51 °F

    Windy. Slight
    Chance Rain
    then Snow
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 24. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 38 mph. New snow accumulation of around an inch possible.

    Low: 24 °F

    Chance Snow
    and Breezy

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Mostly sunny, with a high near 43. West wind 5 to 8 mph.

    High: 43 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow. Partly cloudy, with a low around 27. South southwest wind 3 to 7 mph.

    Low: 27 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A slight chance of snow before noon. Mostly sunny, with a high near 48. Southwest wind 3 to 7 mph.

    High: 48 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. East southeast wind around 7 mph.
Monday
Partly sunny, with a high near 55. East southeast wind 6 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 44. Breezy, with a south southwest wind 10 to 15 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 47 mph.
Tuesday
A slight chance of rain before noon, then snow likely. Partly sunny, with a high near 51. Windy, with a southwest wind 30 to 34 mph, with gusts as high as 60 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 24. Breezy, with a west wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 38 mph. New snow accumulation of around an inch possible.
Wednesday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 43. West wind 5 to 8 mph.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 27. South southwest wind 3 to 7 mph.
Thursday
A slight chance of snow before noon. Mostly sunny, with a high near 48. Southwest wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 35.
Saturday
A slight chance of rain and snow. Mostly sunny, with a high near 54.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 30.
Sunday
A chance of snow. Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
Last Update:
4:22 pm MDT Apr 5, 2026
Forecast Valid:
5pm MDT Apr 5, 2026-6pm MDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation