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 >

Current conditions at

WEST GLACIER (WGRM8)

Lat: 48.51061°NLon: 113.99677°WElev: 3165.0ft.

NA

39°F

4°C

Humidity 100%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 13 Nov 06:12 AM MST
Extended Forecast for

16 Miles W St Mary MT

  • Today

    Today: A 30 percent chance of rain, mainly after 4pm. Increasing clouds, with a high near 53. Southwest wind 7 to 14 mph, with gusts as high as 30 mph.

    High: 53 °F

    Sunny then
    Chance Rain

  • Tonight

    Tonight: Rain before 5am, then rain, possibly mixed with snow. Low around 40. Southwest wind around 14 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 40 °F

    Rain then
    Rain/Snow

  • Friday

    Friday: Rain, possibly mixed with snow before 8am, then rain between 8am and 5pm, then rain, possibly mixed with snow after 5pm. High near 48. West southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain likely, possibly mixed with snow. Snow level 4900 feet. Cloudy, with a low around 36. Southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 45. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain before 2am, then a chance of rain and snow. Cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Monday

    Monday: Rain and snow likely. Mostly cloudy, with a high near 43.

    High: 43 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
A 30 percent chance of rain, mainly after 4pm. Increasing clouds, with a high near 53. Southwest wind 7 to 14 mph, with gusts as high as 30 mph.
Tonight
Rain before 5am, then rain, possibly mixed with snow. Low around 40. Southwest wind around 14 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow before 8am, then rain between 8am and 5pm, then rain, possibly mixed with snow after 5pm. High near 48. West southwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
Rain likely, possibly mixed with snow. Snow level 4900 feet. Cloudy, with a low around 36. Southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 45. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 48.
Sunday Night
A chance of rain before 2am, then a chance of rain and snow. Cloudy, with a low around 33.
Monday
Rain and snow likely. Mostly cloudy, with a high near 43.
Monday Night
Rain and snow likely, mainly before 11pm. Snow level 4900 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 30.
Tuesday
A chance of rain and snow. Snow level 3800 feet. Partly sunny, with a high near 40.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 29.
Wednesday
A chance of snow. Mostly cloudy, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W St Mary MT
 48.75°N 113.79°W (Elev. 3799 ft)
Last Update:
1:02 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

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