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

7 Miles SW St Mary MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Southeast wind 5 to 8 mph becoming west southwest after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58. Southwest wind 7 to 10 mph.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. West southwest wind 3 to 5 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. North northeast wind 3 to 6 mph.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. Light and variable wind becoming south southwest around 6 mph in the evening.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. Southwest wind 6 to 9 mph.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 59. Southwest wind 6 to 9 mph.

    High: 59 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 37. Southeast wind 5 to 8 mph becoming west southwest after midnight.
Monday
Mostly sunny, with a high near 58. Southwest wind 7 to 10 mph.
Monday Night
Mostly cloudy, with a low around 38. West southwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 54. North northeast wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 39. Light and variable wind becoming south southwest around 6 mph in the evening.
Wednesday
Sunny, with a high near 60. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 44. Southwest wind 6 to 9 mph.
Thursday
Partly sunny, with a high near 59. Southwest wind 6 to 9 mph.
Thursday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 39.
Friday
Rain before 9am, then rain and snow. Cloudy, with a high near 43.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 29.
Saturday
A chance of snow. Partly sunny, with a high near 38.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 28.
Sunday
Snow likely. Mostly cloudy, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW St Mary MT
 48.69°N 113.55°W (Elev. 4491 ft)
Last Update:
12:31 pm MDT Oct 18, 2026
Forecast Valid:
9pm MDT Oct 18, 2026-6pm MDT Oct 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation