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

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

Georgetown Lake (MTGTL)

Lat: 46.191°NLon: 113.3°WElev: 6338.0ft.

NA

-4°F

-20°C

Humidity 75%
Wind Speed E 1 MPH
Barometer NA
Dewpoint -10°F (-23°C)
Visibility NA
Last update 28 Dec 12:30 AM MST
Extended Forecast for

21 Miles SW Georgetown MT

  • Overnight

    Overnight: Mostly clear, with a low around -6. Wind chill values as low as -19. West northwest wind around 7 mph.

    Low: -6 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 11. Wind chill values as low as -18. West wind around 6 mph.

    High: 11 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 4. Wind chill values as low as -5. Southwest wind around 6 mph.

    Low: 4 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 23. Wind chill values as low as -2. Southwest wind around 6 mph.

    High: 23 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14. West southwest wind around 6 mph.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around -6. Wind chill values as low as -19. West northwest wind around 7 mph.
Sunday
Sunny, with a high near 11. Wind chill values as low as -18. West wind around 6 mph.
Sunday Night
Mostly clear, with a low around 4. Wind chill values as low as -5. Southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 23. Wind chill values as low as -2. Southwest wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 14. West southwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Partly cloudy, with a low around 20.
New Year's Day
Partly sunny, with a high near 31.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 20.
Friday
A chance of snow. Mostly cloudy, with a high near 26.
Friday Night
A chance of snow. Mostly cloudy, with a low around 14.
Saturday
A chance of snow. Mostly cloudy, with a high near 21.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles SW Georgetown MT
 45.96°N 113.5°W (Elev. 8360 ft)
Last Update:
1:02 pm MST Dec 27, 2025
Forecast Valid:
12am MST Dec 28, 2025-6pm MST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

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