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

Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

NA

14°F

-10°C

Humidity 81%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 9°F (-13°C)
Visibility NA
Last update 30 Dec 01:00 AM MST
Extended Forecast for

21 Miles SW Georgetown MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 16. Light west southwest wind.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 32. Southwest wind 3 to 5 mph.

    High: 32 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. South southwest wind 3 to 6 mph.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36. South southwest wind around 6 mph.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. South wind around 6 mph.

    Low: 25 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 32.

    High: 32 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Cloudy, with a low around 26.

    Low: 26 °F

    Slight Chance
    Snow

  • Friday

    Friday: A chance of snow, mainly before 11am. Mostly cloudy, with a high near 32.

    High: 32 °F

    Chance Snow

  • Friday Night

    Friday Night: A slight chance of snow after 11pm. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 16. Light west southwest wind.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 32. Southwest wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 24. South southwest wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 36. South southwest wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 25. South wind around 6 mph.
New Year's Day
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 32.
Thursday Night
A 20 percent chance of snow. Cloudy, with a low around 26.
Friday
A chance of snow, mainly before 11am. Mostly cloudy, with a high near 32.
Friday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 27.
Saturday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 30.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 19.
Sunday
A chance of snow. Partly sunny, with a high near 26.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 16.
Monday
A chance of snow. Partly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles SW Georgetown MT
 45.96°N 113.53°W (Elev. 7598 ft)
Last Update:
1:03 am MST Dec 30, 2025
Forecast Valid:
1am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation