Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

NA

28°F

-2°C

Humidity 82%
Wind Speed NE 4 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill23°F (-5°C)
Last update 09 Dec 08:15 PM MST
Extended Forecast for

10 Miles SSE Georgetown MT

  • Tonight

    Tonight: Snow, mainly after 10pm. The snow could be heavy at times.  Temperature rising to around 31 by 5am. Southwest wind 10 to 20 mph, with gusts as high as 44 mph.  Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.

    Low: 21 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow before 11am, then snow likely, possibly mixed with rain.  High near 34. Breezy, with a west wind around 26 mph, with gusts as high as 55 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Breezy.
    Rain/Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 5am, then a chance of snow.  Snow level 8700 feet. Mostly cloudy, with a low around 32. Breezy, with a west southwest wind 25 to 28 mph, with gusts as high as 55 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance
    Rain/Snow and
    Breezy

  • Thursday

    Thursday: Snow likely, possibly mixed with rain, becoming all snow after 2pm.  Mostly cloudy, with a high near 34. Breezy, with a west wind 22 to 26 mph, with gusts as high as 55 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 34 °F

    Rain/Snow
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Snow likely.  Cloudy, with a low around 31. Breezy, with a west wind 18 to 23 mph, with gusts as high as 47 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 31 °F

    Snow Likely
    and Breezy

  • Friday

    Friday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 32. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 32 °F

    Snow Likely
    then Chance
    Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 26. Breezy.  New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance Snow
    and Breezy

  • Saturday

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

    High: 30 °F

    Chance Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow, mainly after 10pm. The snow could be heavy at times. Temperature rising to around 31 by 5am. Southwest wind 10 to 20 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.
Wednesday
Snow before 11am, then snow likely, possibly mixed with rain. High near 34. Breezy, with a west wind around 26 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A chance of rain and snow before 5am, then a chance of snow. Snow level 8700 feet. Mostly cloudy, with a low around 32. Breezy, with a west southwest wind 25 to 28 mph, with gusts as high as 55 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday
Snow likely, possibly mixed with rain, becoming all snow after 2pm. Mostly cloudy, with a high near 34. Breezy, with a west wind 22 to 26 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow likely. Cloudy, with a low around 31. Breezy, with a west wind 18 to 23 mph, with gusts as high as 47 mph. 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 32. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Friday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 26. Breezy. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow before 11am. Partly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
A slight chance of snow. Partly sunny, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
A slight chance of snow. Partly sunny, with a high near 32.
Monday Night
A chance of snow. Mostly cloudy, with a low around 26.
Tuesday
Snow likely. Mostly cloudy, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSE Georgetown MT
 46.07°N 113.18°W (Elev. 8363 ft)
2:21 pm MST Dec 9, 2025
8pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

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