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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

unknown precip

33°F

1°C

Humidity 83%
Wind Speed SW 13 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 07 Dec 07:00 PM MST
Extended Forecast for

19 Miles W Georgetown MT

  • Tonight

    Tonight: A 50 percent chance of snow after 3am. Widespread blowing snow, mainly between 3am and 4am. Mostly cloudy, with a low around 26. Windy, with a west wind 25 to 32 mph, with gusts as high as 45 mph. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Chance Snow
    and Blowing
    Snow

  • Monday

    Monday: Snow, mainly after 11am. Patchy blowing snow. High near 32. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 32 °F

    Snow and
    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Snow. Widespread blowing snow, mainly after 1am. Low around 27. Windy, with a southwest wind 24 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Snow and
    Blowing Snow

  • Tuesday

    Tuesday: Snow. Widespread blowing snow, mainly before 8am. High near 30. Windy, with a west wind 29 to 34 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 30 °F

    Snow and
    Blowing Snow

  • Tuesday Night

    Tuesday Night: Snow. Patchy blowing snow after 2am. Low around 25. Southwest wind 11 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 25 °F

    Snow and
    Patchy
    Blowing Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times. Patchy blowing snow before 11am. High near 31. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 31 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Wednesday Night

    Wednesday Night: Snow. Patchy blowing snow between 8pm and 11pm. Low around 22. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Snow and
    Patchy
    Blowing Snow

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 24.

    High: 24 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

Detailed Forecast

Tonight
A 50 percent chance of snow after 3am. Widespread blowing snow, mainly between 3am and 4am. Mostly cloudy, with a low around 26. Windy, with a west wind 25 to 32 mph, with gusts as high as 45 mph. Total nighttime snow accumulation of 1 to 3 inches possible.
Monday
Snow, mainly after 11am. Patchy blowing snow. High near 32. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Monday Night
Snow. Widespread blowing snow, mainly after 1am. Low around 27. Windy, with a southwest wind 24 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Tuesday
Snow. Widespread blowing snow, mainly before 8am. High near 30. Windy, with a west wind 29 to 34 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Snow. Patchy blowing snow after 2am. Low around 25. Southwest wind 11 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Wednesday
Snow. The snow could be heavy at times. Patchy blowing snow before 11am. High near 31. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Wednesday Night
Snow. Patchy blowing snow between 8pm and 11pm. Low around 22. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow likely. Mostly cloudy, with a high near 24.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 20.
Friday
A chance of snow. Mostly cloudy, with a high near 29.
Friday Night
A slight chance of snow. Patchy blowing snow. Mostly cloudy, with a low around 26.
Saturday
A chance of snow. Partly sunny, with a high near 33.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Sunday
A chance of snow. Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles W Georgetown MT
 46.18°N 113.64°W (Elev. 7999 ft)
Last Update:
1:01 pm MST Dec 7, 2025
Forecast Valid:
7pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation