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 18. Calm wind.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 34. Calm wind.

    High: 34 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. Light south wind.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. South southwest wind 3 to 5 mph.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. Light south wind.

    Low: 26 °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 33.

    High: 33 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: A chance of snow, mainly before 11am. Mostly cloudy, with a high near 33.

    High: 33 °F

    Chance Snow

  • Friday Night

    Friday Night: A slight chance of snow after 11pm. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 18. Calm wind.
Tuesday
Sunny, with a high near 34. Calm wind.
Tuesday Night
Mostly clear, with a low around 25. Light south wind.
Wednesday
Mostly sunny, with a high near 38. South southwest wind 3 to 5 mph.
Wednesday Night
Mostly cloudy, with a low around 26. Light south wind.
New Year's Day
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 33.
Thursday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 27.
Friday
A chance of snow, mainly before 11am. Mostly cloudy, with a high near 33.
Friday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 29.
Saturday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 32.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 20.
Sunday
A chance of snow. Partly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
A chance of snow. Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles SW Georgetown MT
 45.99°N 113.57°W (Elev. 7684 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

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