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

Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Current conditions at

ST. MARY (SRYM8)

Lat: 48.74108°NLon: 113.43289°WElev: 4557.0ft.

NA

33°F

1°C

Humidity 57%
Wind Speed SSE 2 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 13 Nov 03:11 AM MST
Extended Forecast for

St Mary MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. Light south wind.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 61. South southwest wind 3 to 5 mph.

    High: 61 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. South wind 3 to 5 mph.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Light south southwest wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 28 mph.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34. West southwest wind around 14 mph, with gusts as high as 34 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Southwest wind 11 to 14 mph, with gusts as high as 29 mph.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. Southwest wind around 10 mph, with gusts as high as 26 mph.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 45. West southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 45 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. Light south wind.
Friday
Partly sunny, with a high near 61. South southwest wind 3 to 5 mph.
Friday Night
Partly cloudy, with a low around 37. South wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 50. Light south southwest wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 34. West southwest wind around 14 mph, with gusts as high as 34 mph.
Sunday
Mostly sunny, with a high near 48. Southwest wind 11 to 14 mph, with gusts as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 35. Southwest wind around 10 mph, with gusts as high as 26 mph.
Monday
Partly sunny, with a high near 45. West southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 25.
Wednesday
A chance of snow. Partly sunny, with a high near 38.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 24.
Thursday
A chance of snow. Partly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.74°N 113.44°W (Elev. 4554 ft)
Last Update:
11:31 pm MST Nov 12, 2026
Forecast Valid:
3am MST Nov 13, 2026-6pm MST Nov 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation