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 >

Hazardous Weather Conditions

Current conditions at

Georgetown Lake (MTGTL)

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

NA

28°F

-2°C

Humidity 87%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 10 Dec 12:45 AM MST
Extended Forecast for

18 Miles WSW Georgetown MT

  • Overnight

    Overnight: Snow.  Low around 26. Southwest wind 8 to 16 mph, with gusts as high as 38 mph.  Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Snow

  • Wednesday

    Wednesday: Rain and snow before 4pm, then a slight chance of rain after 5pm.  High near 39. West southwest wind 16 to 18 mph, with gusts as high as 46 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 9pm, then a slight chance of rain and snow after 4am.  Partly cloudy, with a low around 35. Southwest wind around 16 mph, with gusts as high as 46 mph.  Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Thursday

    Thursday: Rain and snow.  High near 39. West southwest wind 14 to 17 mph, with gusts as high as 46 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Snow.  Low around 35. West southwest wind 8 to 15 mph, with gusts as high as 39 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 35 °F

    Snow

  • Friday

    Friday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 38. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 38 °F

    Snow Likely
    then Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of snow before 11am.  Mostly sunny, with a high near 39.

    High: 39 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow. Low around 26. Southwest wind 8 to 16 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Wednesday
Rain and snow before 4pm, then a slight chance of rain after 5pm. High near 39. West southwest wind 16 to 18 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
A slight chance of rain before 9pm, then a slight chance of rain and snow after 4am. Partly cloudy, with a low around 35. Southwest wind around 16 mph, with gusts as high as 46 mph. Chance of precipitation is 20%.
Thursday
Rain and snow. High near 39. West southwest wind 14 to 17 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Snow. Low around 35. West southwest wind 8 to 15 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 38. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
A slight chance of snow before 11am. Mostly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 29.
Monday
A chance of snow. Partly sunny, with a high near 38.
Monday Night
A chance of snow. Mostly cloudy, with a low around 31.
Tuesday
Snow. Mostly cloudy, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles WSW Georgetown MT
 46.08°N 113.59°W (Elev. 7103 ft)
1:02 am MST Dec 10, 2025
1am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database