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

MANY GLACIER (MANM8)

Lat: 48.79698°NLon: 113.6705°WElev: 4900.0ft.

NA

49°F

9°C

Humidity 56%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 12 Nov 11:00 PM MST
Extended Forecast for

11 Miles WNW 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

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. Southwest wind 11 to 14 mph, with gusts as high as 28 mph.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after 11am. Increasing clouds, with a high near 47. Breezy, with a southwest wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 47 °F

    Slight Chance
    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain before 5am, then rain, possibly mixed with snow. Low around 37. Windy, with a southwest wind 28 to 38 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Windy. Rain
    then
    Rain/Snow

  • Friday

    Friday: Rain, possibly mixed with snow, becoming all snow after 8am. High near 40. Breezy, with a west wind 23 to 28 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Breezy.
    Rain/Snow
    then Snow
    Likely

  • Friday Night

    Friday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 31. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    Low: 31 °F

    Snow Likely
    and Breezy

  • Saturday

    Saturday: A chance of snow before 11am, then a slight chance of rain and snow. Mostly cloudy, with a high near 38. West southwest wind around 16 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow, mainly after 11pm. Mostly cloudy, with a low around 34. West southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of rain and snow before 8am, then a chance of rain between 8am and 11am, then a chance of rain and snow after 11am. Mostly cloudy, with a high near 41. West southwest wind around 11 mph, with gusts as high as 24 mph.

    High: 41 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. Southwest wind 11 to 14 mph, with gusts as high as 28 mph.
Thursday
A 20 percent chance of rain after 11am. Increasing clouds, with a high near 47. Breezy, with a southwest wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 41 mph.
Thursday Night
Rain before 5am, then rain, possibly mixed with snow. Low around 37. Windy, with a southwest wind 28 to 38 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow, becoming all snow after 8am. High near 40. Breezy, with a west wind 23 to 28 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 31. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Saturday
A chance of snow before 11am, then a slight chance of rain and snow. Mostly cloudy, with a high near 38. West southwest wind around 16 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday Night
A chance of rain and snow, mainly after 11pm. Mostly cloudy, with a low around 34. West southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
A chance of rain and snow before 8am, then a chance of rain between 8am and 11am, then a chance of rain and snow after 11am. Mostly cloudy, with a high near 41. West southwest wind around 11 mph, with gusts as high as 24 mph.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Monday
A chance of rain and snow before 8am, then a chance of snow. Mostly cloudy, with a high near 37.
Monday Night
A chance of snow. Mostly cloudy, with a low around 25.
Tuesday
A chance of snow. Partly sunny, with a high near 31.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 24.
Wednesday
A chance of snow. Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WNW St Mary MT
 48.78°N 113.67°W (Elev. 5000 ft)
Last Update:
9:31 pm MST Nov 12, 2025
Forecast Valid:
12am MST Nov 13, 2025-6pm MST Nov 19, 2025
 
Forecast Discussion
 
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