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

Tracking Atmospheric River for California; Record Temperatures Further East

An atmospheric river will bring gusty to high winds, moderate to heavy rainfall, and potential flooding to California today through Saturday. Heavy snow will be possible over the Sierra Nevada mountains into Friday associated with this atmospheric river. East of these impacts dozens of record high maximum and high minimum temperatures may be broken or tied today and Friday. 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

54°F

12°C

Humidity 41%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 13 Nov 06:10 AM MST
Extended Forecast for

St Mary MT

High Wind Warning November 13, 12:00pm until November 14, 05:00pm
Click here for hazard details and duration
High Wind Warning

  • Today

    Today: A 10 percent chance of rain after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 54. Windy, with a southwest wind 10 to 20 mph increasing to 24 to 34 mph. Winds could gust as high as 65 mph.

    High: 54 °F

    Partly Sunny
    and Breezy
    then Slight
    Chance Rain
    and Windy

  • Tonight

    Tonight: Rain. Low around 39. Windy, with a southwest wind 26 to 31 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    Low: 39 °F

    Rain and
    Windy

  • Friday

    Friday: Rain, possibly mixed with snow before 8am, then rain between 8am and 11am, then rain, possibly mixed with snow after 11am. High near 46. West southwest wind 13 to 17 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 2am, then a chance of snow. Mostly cloudy, with a low around 33. West southwest wind 10 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 11am. Partly sunny, with a high near 44. West southwest wind around 14 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 36. West southwest wind 8 to 11 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 47. Southwest wind around 8 mph, with gusts as high as 18 mph.

    High: 47 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A chance of rain before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. South southwest wind around 7 mph.

    Low: 31 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A chance of rain and snow. Mostly cloudy, with a high near 41.

    High: 41 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
A 10 percent chance of rain after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 54. Windy, with a southwest wind 10 to 20 mph increasing to 24 to 34 mph. Winds could gust as high as 65 mph.
Tonight
Rain. Low around 39. Windy, with a southwest wind 26 to 31 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Friday
Rain, possibly mixed with snow before 8am, then rain between 8am and 11am, then rain, possibly mixed with snow after 11am. High near 46. West southwest wind 13 to 17 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow before 2am, then a chance of snow. Mostly cloudy, with a low around 33. West southwest wind 10 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow before 11am. Partly sunny, with a high near 44. West southwest wind around 14 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 36. West southwest wind 8 to 11 mph, with gusts as high as 25 mph.
Sunday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 47. Southwest wind around 8 mph, with gusts as high as 18 mph.
Sunday Night
A chance of rain before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. South southwest wind around 7 mph.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 41.
Monday Night
A chance of snow. Mostly cloudy, with a low around 28.
Tuesday
A slight chance of snow. Partly sunny, with a high near 39.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 27.
Wednesday
A slight chance of snow. Partly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
St Mary MT
 48.76°N 113.44°W (Elev. 4741 ft)
Last Update:
2:14 am MST Nov 13, 2025
Forecast Valid:
6am MST Nov 13, 2025-6pm MST Nov 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation