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 88%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 10 Dec 12:30 AM MST
Extended Forecast for

9 Miles SSE Georgetown MT

  • Overnight

    Overnight: Snow. The snow could be heavy at times.  Temperature rising to around 32 by 5am. West southwest wind 14 to 21 mph, with gusts as high as 45 mph.  Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 25 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow before 11am, then snow likely, possibly mixed with rain.  High near 35. Breezy, with a west southwest wind 26 to 29 mph, with gusts as high as 55 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Breezy.
    Rain/Snow
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 5am, then a slight chance of snow.  Snow level 8700 feet. Mostly cloudy, with a low around 32. Windy, with a west southwest wind 26 to 30 mph, with gusts as high as 55 mph.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance
    Rain/Snow and
    Windy

  • Thursday

    Thursday: Snow likely, possibly mixed with rain, becoming all snow after 2pm.  Mostly cloudy, with a high near 35. Breezy, with a west southwest wind 24 to 28 mph, with gusts as high as 55 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Rain/Snow
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Snow likely.  Cloudy, with a low around 32. Breezy, with a west wind 20 to 23 mph, with gusts as high as 45 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 32 °F

    Snow Likely
    and Breezy

  • Friday

    Friday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 34. Breezy.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Breezy. 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 slight chance of snow before 11am.  Partly sunny, with a high near 32.

    High: 32 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Saturday Night

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

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Temperature rising to around 32 by 5am. West southwest wind 14 to 21 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Wednesday
Snow before 11am, then snow likely, possibly mixed with rain. High near 35. Breezy, with a west southwest wind 26 to 29 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
A chance of rain and snow before 5am, then a slight chance of snow. Snow level 8700 feet. Mostly cloudy, with a low around 32. Windy, with a west southwest wind 26 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 30%. 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 35. Breezy, with a west southwest wind 24 to 28 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow likely. Cloudy, with a low around 32. Breezy, with a west wind 20 to 23 mph, with gusts as high as 45 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 34. Breezy. Chance of precipitation is 70%. New snow accumulation of less than one 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 slight chance of snow before 11am. Partly sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
A slight chance of snow. Partly sunny, with a high near 34.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
A slight chance of snow. Partly sunny, with a high near 33.
Monday Night
A chance of snow. Mostly cloudy, with a low around 26.
Tuesday
Snow likely. Mostly cloudy, with a high near 30. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSE Georgetown MT
 46.1°N 113.16°W (Elev. 8301 ft)
2:21 pm MST Dec 9, 2025
12am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

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