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

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

5 Miles SW St Mary MT

  • Today

    Today: Sunny, with a high near 51. South southwest wind 3 to 7 mph.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Light and variable wind becoming southwest 5 to 7 mph in the evening.

    Low: 35 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 58. Southwest wind 6 to 8 mph, with gusts as high as 18 mph.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Light southwest wind.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. Light and variable wind becoming southwest around 6 mph after midnight.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 59. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 51. South southwest wind 3 to 7 mph.
Tonight
Increasing clouds, with a low around 35. Light and variable wind becoming southwest 5 to 7 mph in the evening.
Monday
Partly sunny, with a high near 58. Southwest wind 6 to 8 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 38. Light southwest wind.
Tuesday
Mostly sunny, with a high near 53. Calm wind becoming east northeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 36. Light and variable wind becoming southwest around 6 mph after midnight.
Wednesday
Sunny, with a high near 59. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 42. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 38.
Friday
Rain and snow likely. Mostly cloudy, with a high near 44.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 30.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW St Mary MT
 48.69°N 113.49°W (Elev. 4488 ft)
Last Update:
4:31 am MDT Oct 18, 2026
Forecast Valid:
9am MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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