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

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

NA

62°F

17°C

Humidity 21%
Wind Speed NA 8 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 01 May 02:10 PM MDT
Extended Forecast for

5 Miles WSW St Mary MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 50. West southwest wind around 16 mph, with gusts as high as 26 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. West southwest wind 9 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain before 10am, then a chance of rain after noon. Partly sunny, with a high near 49. North wind 7 to 9 mph becoming south in the afternoon. Chance of precipitation is 30%.

    High: 49 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain, mainly between 9pm and 3am. Mostly cloudy, with a low around 34. North northwest wind around 8 mph becoming west southwest after midnight. Chance of precipitation is 50%.

    Low: 34 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 53. West wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. West northwest wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of snow. Partly sunny, with a high near 45. North northeast wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 45 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: A slight chance of snow before midnight. Mostly cloudy, with a low around 27. North northeast wind 10 to 20 mph becoming west after midnight. Winds could gust as high as 29 mph.

    Low: 27 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 50. West southwest wind around 16 mph, with gusts as high as 26 mph.
Tonight
Partly cloudy, with a low around 34. West southwest wind 9 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.
Saturday
A slight chance of rain before 10am, then a chance of rain after noon. Partly sunny, with a high near 49. North wind 7 to 9 mph becoming south in the afternoon. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of rain, mainly between 9pm and 3am. Mostly cloudy, with a low around 34. North northwest wind around 8 mph becoming west southwest after midnight. Chance of precipitation is 50%.
Sunday
Sunny, with a high near 53. West wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 33. West northwest wind 11 to 13 mph, with gusts as high as 22 mph.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 45. North northeast wind 11 to 16 mph, with gusts as high as 26 mph.
Monday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 27. North northeast wind 10 to 20 mph becoming west after midnight. Winds could gust as high as 29 mph.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Sunny, with a high near 53.
Wednesday Night
Mostly clear, with a low around 37. Breezy.
Thursday
A slight chance of rain. Mostly sunny, with a high near 54. Breezy.
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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:
12:32 pm MDT May 1, 2026
Forecast Valid:
2pm MDT May 1, 2026-6pm MDT May 7, 2026
 
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Additional Resources

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Chance of Precipitation