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

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Logan Pass Visitors Center (LGPVC)

Lat: 48.6949°NLon: 113.7169°WElev: 6775.0ft.

NA

40°F

4°C

Humidity 81%
Wind Speed WNW 13 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 12 Nov 07:00 PM MST
Extended Forecast for

10 Miles SW St Mary MT

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

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Southwest wind 13 to 21 mph, with gusts as high as 28 mph.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain and snow between 11am and 1pm, then a chance of rain after 1pm. Increasing clouds, with a high near 39. Breezy, with a southwest wind 20 to 29 mph, with gusts as high as 39 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 39 °F

    Chance
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Rain likely before 11pm, then rain and snow. Low around 30. Windy, with a southwest wind 31 to 33 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Rain/Snow and
    Windy

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 34. Windy, with a west southwest wind 26 to 33 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

    High: 34 °F

    Heavy Snow
    and Windy

  • Friday Night

    Friday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 28. Breezy, with a west southwest wind 24 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Snow Likely
    and Breezy

  • Saturday

    Saturday: A 40 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 32. Breezy, with a west southwest wind 18 to 26 mph, with gusts as high as 38 mph. New snow accumulation of less than one inch possible.

    High: 32 °F

    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 31. West southwest wind 17 to 20 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 33. West southwest wind 11 to 18 mph, with gusts as high as 25 mph.

    High: 33 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. Southwest wind 13 to 21 mph, with gusts as high as 28 mph.
Thursday
A chance of rain and snow between 11am and 1pm, then a chance of rain after 1pm. Increasing clouds, with a high near 39. Breezy, with a southwest wind 20 to 29 mph, with gusts as high as 39 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
Rain likely before 11pm, then rain and snow. Low around 30. Windy, with a southwest wind 31 to 33 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Friday
Snow. The snow could be heavy at times. High near 34. Windy, with a west southwest wind 26 to 33 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.
Friday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 28. Breezy, with a west southwest wind 24 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.
Saturday
A 40 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 32. Breezy, with a west southwest wind 18 to 26 mph, with gusts as high as 38 mph. New snow accumulation of less than one inch possible.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 31. West southwest wind 17 to 20 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Sunday
A chance of snow. Mostly cloudy, with a high near 33. West southwest wind 11 to 18 mph, with gusts as high as 25 mph.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 27.
Monday
A chance of snow. Mostly cloudy, with a high near 28.
Monday Night
A chance of snow. Mostly cloudy, with a low around 22.
Tuesday
A chance of snow. Mostly cloudy, with a high near 23.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 21.
Wednesday
A chance of snow. Mostly cloudy, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SW St Mary MT
 48.64°N 113.61°W (Elev. 7448 ft)
Last Update:
3:20 pm MST Nov 12, 2025
Forecast Valid:
7pm MST Nov 12, 2025-6pm MST Nov 19, 2025
 
Forecast Discussion
 
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