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

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Georgetown Lake (MTGTL)

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

unknown precip

31°F

-1°C

Humidity 95%
Wind Speed WSW 16 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill20°F (-7°C)
Last update 09 Dec 11:00 AM MST
Extended Forecast for

18 Miles SW Georgetown MT

  • Today

    Today: Snow likely before 2pm, then a slight chance of snow after 5pm. The snow could be heavy at times. Cloudy, with a temperature falling to around 21 by 5pm. Breezy, with a west wind 21 to 23 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 4 to 8 inches possible.

    High: 29 °F⇓

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Snow, mainly after 10pm. The snow could be heavy at times. Temperature rising to around 30 by 5am. West southwest wind 10 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Low: 20 °F⇑

    Heavy Snow

  • Wednesday

    Wednesday: Snow before 11am, then rain and snow. High near 33. West southwest wind 18 to 20 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 33 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 5am, then a chance of snow. Snow level 8700 feet. Cloudy, with a low around 30. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 30 °F

    Rain/Snow
    Likely and
    Breezy

  • Thursday

    Thursday: Snow likely before 8am, then rain and snow. High near 32. West southwest wind 17 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Snow likely. Cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Snow Likely

  • Friday

    Friday: Snow likely, mainly before 11am. Mostly cloudy, with a high near 31. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Snow Likely

  • Friday Night

    Friday Night: A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

  • Saturday

    Saturday: A slight chance of snow before 11am. Partly sunny, with a high near 30.

    High: 30 °F

    Slight Chance
    Snow then
    Mostly Sunny

Detailed Forecast

Today
Snow likely before 2pm, then a slight chance of snow after 5pm. The snow could be heavy at times. Cloudy, with a temperature falling to around 21 by 5pm. Breezy, with a west wind 21 to 23 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 4 to 8 inches possible.
Tonight
Snow, mainly after 10pm. The snow could be heavy at times. Temperature rising to around 30 by 5am. West southwest wind 10 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Wednesday
Snow before 11am, then rain and snow. High near 33. West southwest wind 18 to 20 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Rain and snow likely before 5am, then a chance of snow. Snow level 8700 feet. Cloudy, with a low around 30. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow likely before 8am, then rain and snow. High near 32. West southwest wind 17 to 20 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow likely. Cloudy, with a low around 30. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 31. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 25.
Saturday
A slight chance of snow before 11am. Partly sunny, with a high near 30.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A chance of snow. Partly sunny, with a high near 28.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 23.
Monday
A chance of snow. Partly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SW Georgetown MT
 45.98°N 113.44°W (Elev. 8402 ft)
Last Update:
1:02 am MST Dec 9, 2025
Forecast Valid:
11am MST Dec 9, 2025-6pm MST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation