Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

NA

19°F

-7°C

Humidity 81%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Last update 18 Jan 08:30 PM MST
Extended Forecast for

10 Miles S Georgetown MT

  • Tonight

    Tonight: Mostly clear, with a low around 10. Wind chill values as low as -3. West northwest wind 6 to 8 mph.

    Low: 10 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 23. Wind chill values as low as -3. West wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 23 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17. Wind chill values as low as zero. West southwest wind 16 to 21 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of snow.  Mostly cloudy, then gradually becoming sunny, with a high near 22. West wind 16 to 21 mph decreasing to 10 to 15 mph in the morning. Winds could gust as high as 24 mph.

    High: 22 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 10. West wind 10 to 14 mph.

    Low: 10 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of snow after 11pm.  Mostly cloudy, with a low around 13.

    Low: 13 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 10. Wind chill values as low as -3. West northwest wind 6 to 8 mph.
M.L.King Day
Sunny, with a high near 23. Wind chill values as low as -3. West wind 9 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 17. Wind chill values as low as zero. West southwest wind 16 to 21 mph, with gusts as high as 24 mph.
Tuesday
A 20 percent chance of snow. Mostly cloudy, then gradually becoming sunny, with a high near 22. West wind 16 to 21 mph decreasing to 10 to 15 mph in the morning. Winds could gust as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 10. West wind 10 to 14 mph.
Wednesday
Mostly sunny, with a high near 21.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
Partly sunny, with a high near 24.
Thursday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 13.
Friday
A chance of snow. Partly sunny, with a high near 17.
Friday Night
A chance of snow. Mostly cloudy, with a low around 9.
Saturday
A chance of snow. Partly sunny, with a high near 17.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 10.
Sunday
A chance of snow. Partly sunny, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles S Georgetown MT
 46.06°N 113.28°W (Elev. 8914 ft)
2:07 pm MST Jan 18, 2026
8pm MST Jan 18, 2026-6pm MST Jan 25, 2026
 
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Additional Resources

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