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

32°F

0°C

Humidity 84%
Wind Speed SW 13 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill22°F (-6°C)
Last update 07 Dec 06:30 PM MST
Extended Forecast for

11 Miles SSE Georgetown MT

  • Tonight

    Tonight: A chance of snow before 2am, then a chance of snow after 3am. The snow could be heavy at times.  Widespread blowing snow before 11pm, then widespread blowing snow after midnight. Cloudy, with a low around 20. Wind chill values as low as zero. Windy, with a west wind 29 to 34 mph increasing to 35 to 40 mph after midnight. Winds could gust as high as 55 mph.  Chance of precipitation is 50%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: Snow likely, mainly after 11am.  Widespread blowing snow, mainly before 11am. Mostly cloudy, with a high near 28. Wind chill values as low as zero. Windy, with a west southwest wind 29 to 38 mph, with gusts as high as 55 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 28 °F

    Snow Likely
    and Blowing
    Snow

  • Monday Night

    Monday Night: Snow.  Widespread blowing snow. Low around 22. Windy, with a west southwest wind 31 to 36 mph increasing to 38 to 43 mph after midnight. Winds could gust as high as 60 mph.  Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 22 °F

    Snow and
    Blowing Snow

  • Tuesday

    Tuesday: Snow. The snow could be heavy at times.  Widespread blowing snow, mainly before 2pm. High near 28. Wind chill values as low as zero. Windy, with a west wind 38 to 43 mph decreasing to 26 to 31 mph in the afternoon. Winds could gust as high as 60 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 28 °F

    Heavy Snow
    and Blowing
    Snow

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times.  Widespread blowing snow, mainly after 2am. Low around 19. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    Low: 19 °F

    Heavy Snow
    and Blowing
    Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times.  Widespread blowing snow, mainly before 11am. High near 27. Breezy.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 27 °F

    Heavy Snow
    and Blowing
    Snow

  • Wednesday Night

    Wednesday Night: Snow.  Patchy blowing snow. Low around 17. Breezy.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 17 °F

    Snow and
    Patchy
    Blowing Snow

  • Thursday

    Thursday: Snow likely, mainly before 11am.  Areas of blowing snow before 5pm. Mostly cloudy, with a high near 18. Breezy.

    High: 18 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Thursday Night

    Thursday Night: A chance of snow.  Patchy blowing snow after 8pm. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow
    and Patchy
    Blowing Snow

Detailed Forecast

Tonight
A chance of snow before 2am, then a chance of snow after 3am. The snow could be heavy at times. Widespread blowing snow before 11pm, then widespread blowing snow after midnight. Cloudy, with a low around 20. Wind chill values as low as zero. Windy, with a west wind 29 to 34 mph increasing to 35 to 40 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of 1 to 3 inches possible.
Monday
Snow likely, mainly after 11am. Widespread blowing snow, mainly before 11am. Mostly cloudy, with a high near 28. Wind chill values as low as zero. Windy, with a west southwest wind 29 to 38 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Monday Night
Snow. Widespread blowing snow. Low around 22. Windy, with a west southwest wind 31 to 36 mph increasing to 38 to 43 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Tuesday
Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 2pm. High near 28. Wind chill values as low as zero. Windy, with a west wind 38 to 43 mph decreasing to 26 to 31 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 2am. Low around 19. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Wednesday
Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 11am. High near 27. Breezy. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Wednesday Night
Snow. Patchy blowing snow. Low around 17. Breezy. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow likely, mainly before 11am. Areas of blowing snow before 5pm. Mostly cloudy, with a high near 18. Breezy.
Thursday Night
A chance of snow. Patchy blowing snow after 8pm. Mostly cloudy, with a low around 14.
Friday
A chance of snow. Patchy blowing snow before 8am. Mostly cloudy, with a high near 22.
Friday Night
A slight chance of snow. Patchy blowing snow. Mostly cloudy, with a low around 21. Breezy.
Saturday
A slight chance of snow. Patchy blowing snow. Partly sunny, with a high near 26. Breezy.
Saturday Night
A slight chance of snow. Patchy blowing snow. Mostly cloudy, with a low around 20. Breezy.
Sunday
A chance of snow. Partly sunny, with a high near 23. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSE Georgetown MT
 46.05°N 113.18°W (Elev. 9767 ft)
1:01 pm MST Dec 7, 2025
6pm MST Dec 7, 2025-6pm MST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database