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

Storm System to Move Across the Ohio Valley to the Mid-Atlantic and Northeast

Isolated severe thunderstorms will be possible on Veterans Day across parts of the lower Ohio and western Tennessee Valleys. A developing storm will bring rain and gusty winds to the Mid-Atlantic and Northeast on Thursday, with the first accumulating snow likely in the higher elevations of the central Appalachians and interior Northeast. Read More >

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

St Mary MT

  • Today

    Today: Mostly cloudy, with a high near 62. South wind around 8 mph, with gusts as high as 18 mph.

    High: 62 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. South southwest wind 3 to 6 mph.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 62. Light southwest wind.

    High: 62 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. Calm wind becoming southwest around 5 mph.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 51. Light southwest wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 25 mph.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. West southwest wind 10 to 14 mph, with gusts as high as 33 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49. Southwest wind 9 to 13 mph, with gusts as high as 29 mph.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. Southwest wind 7 to 10 mph, with gusts as high as 26 mph.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 62. South wind around 8 mph, with gusts as high as 18 mph.
Tonight
Mostly cloudy, with a low around 42. South southwest wind 3 to 6 mph.
Friday
Mostly cloudy, with a high near 62. Light southwest wind.
Friday Night
Partly cloudy, with a low around 39. Calm wind becoming southwest around 5 mph.
Saturday
Mostly sunny, with a high near 51. Light southwest wind becoming west southwest 8 to 13 mph in the morning. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 35. West southwest wind 10 to 14 mph, with gusts as high as 33 mph.
Sunday
Mostly sunny, with a high near 49. Southwest wind 9 to 13 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 36. Southwest wind 7 to 10 mph, with gusts as high as 26 mph.
Monday
Partly sunny, with a high near 49.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 43.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 27.
Wednesday
A slight chance of snow. Partly sunny, with a high near 41.
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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 11, 2026
Forecast Valid:
4am MST Nov 12, 2026-6pm MST Nov 18, 2026
 
Forecast Discussion
 
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