Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

MANY GLACIER (MANM8)

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

NA

6°F

-14°C

Humidity 87%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 3°F (-16°C)
Visibility NA
Last update 27 Dec 05:00 AM MST
Extended Forecast for

12 Miles W St Mary MT

Cold Weather Advisory until December 28, 05:00am
Winter Weather Advisory December 27, 06:25am until December 27, 02:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Weather Advisory
  •  
    Cold Weather Advisory until December 28, 05:00am
    Winter Weather Advisory December 27, 06:25am until December 27, 02:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 2 °F

    Heavy Snow
    and Areas
    Blowing Snow
    then Chance
    Snow

  • Tonight

    Tonight: Mostly clear, with a temperature rising to around -4 by 2am. Wind chill values as low as -25. Southwest wind 6 to 16 mph, with gusts as high as 23 mph.

    Low: -9 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 12. Wind chill values as low as -30. Southwest wind 18 to 21 mph, with gusts as high as 29 mph.

    High: 12 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 10. Wind chill values as low as -10. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 32 mph.

    Low: 10 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Monday

    Monday: Mostly cloudy, with a high near 20. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 32 mph.

    High: 20 °F

    Partly Sunny
    and Breezy
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. West southwest wind 16 to 18 mph, with gusts as high as 30 mph.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 27. West southwest wind around 16 mph, with gusts as high as 26 mph.

    High: 27 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. West southwest wind around 16 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow, mainly before 1pm. The snow could be heavy at times. Areas of blowing snow before 11am. Temperature falling to around -8 by 5pm. Wind chill values as low as -25. North northeast wind 15 to 20 mph becoming northeast 8 to 13 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Mostly clear, with a temperature rising to around -4 by 2am. Wind chill values as low as -25. Southwest wind 6 to 16 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 12. Wind chill values as low as -30. Southwest wind 18 to 21 mph, with gusts as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 10. Wind chill values as low as -10. Breezy, with a west southwest wind 20 to 23 mph, with gusts as high as 32 mph.
Monday
Mostly cloudy, with a high near 20. Breezy, with a west southwest wind 17 to 23 mph, with gusts as high as 32 mph.
Monday Night
Mostly cloudy, with a low around 18. West southwest wind 16 to 18 mph, with gusts as high as 30 mph.
Tuesday
Partly sunny, with a high near 27. West southwest wind around 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 22. West southwest wind around 16 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of snow. Mostly cloudy, with a high near 28.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 18.
New Year's Day
A slight chance of snow. Mostly cloudy, with a high near 32.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 22.
Friday
A chance of snow. Mostly cloudy, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W St Mary MT
 48.76°N 113.7°W (Elev. 5033 ft)
2:42 am MST Dec 27, 2025
6am MST Dec 27, 2025-6pm MST Jan 2, 2026
 
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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