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

Hazardous Weather Impacts on the East and West Coasts

A cold front will continue to progress eastward today and Friday across the Eastern Seaboard with showers and thunderstorms bringing isolated heavy rainfall, gusty to damaging winds, and a possible tornado. A series of Pacific storms will begin to push into the Pacific Northwest today with impacts from heavy rain and snow continuing through the middle of next week. Read More >

Hazardous Weather Conditions

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

High Wind Watch November 6, 12:00pm until November 7, 09:00am
High Wind Watch November 8, 08:00am until November 8, 08:00pm
Click here for hazard details and duration
High Wind Watch
High Wind Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 30. Windy, with a southwest wind 23 to 30 mph, with gusts as high as 41 mph.

    Low: 30 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Partly sunny, with a high near 44. Windy, with a southwest wind 30 to 36 mph, with gusts as high as 60 mph.

    High: 44 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37. Windy, with a west southwest wind 33 to 39 mph, with gusts as high as 65 mph.

    Low: 37 °F

    Mostly Cloudy
    and Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 52. Windy, with a southwest wind 27 to 32 mph decreasing to 17 to 22 mph in the morning. Winds could gust as high as 45 mph.

    High: 52 °F

    Partly Sunny
    and Windy
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. Breezy, with a southwest wind 14 to 19 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 37 mph.

    Low: 41 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 48. West southwest wind 15 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 70%.

    High: 48 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A slight chance of snow, mixing with rain after 8pm, then gradually ending. Partly cloudy, with a low around 29. West southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46. West southwest wind around 7 mph, with gusts as high as 18 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 30. Windy, with a southwest wind 23 to 30 mph, with gusts as high as 41 mph.
Friday
Partly sunny, with a high near 44. Windy, with a southwest wind 30 to 36 mph, with gusts as high as 60 mph.
Friday Night
Mostly cloudy, with a low around 37. Windy, with a west southwest wind 33 to 39 mph, with gusts as high as 65 mph.
Saturday
Mostly sunny, with a high near 52. Windy, with a southwest wind 27 to 32 mph decreasing to 17 to 22 mph in the morning. Winds could gust as high as 45 mph.
Saturday Night
Partly cloudy, with a low around 41. Breezy, with a southwest wind 14 to 19 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 37 mph.
Sunday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 48. West southwest wind 15 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 70%.
Sunday Night
A slight chance of snow, mixing with rain after 8pm, then gradually ending. Partly cloudy, with a low around 29. West southwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 46. West southwest wind around 7 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 49.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Veterans Day
Mostly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
A slight chance of rain. Partly sunny, with a high near 55.
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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 am MST Nov 5, 2026
Forecast Valid:
4pm MST Nov 5, 2026-6pm MST Nov 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation