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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Georgetown Lake (MTGTL)

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

unknown precip

34°F

1°C

Humidity 98%
Wind Speed NNE 4 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 25 Dec 01:00 AM MST
Extended Forecast for

11 Miles SSE Georgetown MT

  • Overnight

    Overnight: Snow, mainly before 2am. Patchy blowing snow before 4am. Low around 23. West southwest wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Low: 23 °F

    Snow and
    Patchy
    Blowing Snow

  • Christmas Day

    Christmas Day: A 20 percent chance of snow before 10am. Partly sunny, with a high near 26. Southwest wind around 18 mph, with gusts as high as 29 mph.

    High: 26 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of snow after 1am. The snow could be heavy at times. Patchy blowing snow. Mostly cloudy, with a low around 18. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 31 mph. New snow accumulation of 2 to 4 inches possible.

    Low: 18 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Friday

    Friday: Snow. Widespread blowing snow, mainly after 8am. High near 21. Wind chill values as low as -7. Windy, with a southwest wind 22 to 27 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 21 °F

    Snow and
    Blowing Snow

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm. Widespread blowing snow. Mostly cloudy, with a low around 5. Windy, with a west southwest wind 34 to 43 mph, with gusts as high as 60 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 5 °F

    Snow Likely
    and Blowing
    Snow

  • Saturday

    Saturday: Snow. Widespread blowing snow, mainly before 2pm. High near 9. Windy. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 9 °F

    Snow and
    Blowing Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -4.

    Low: -4 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and cold, with a high near 9.

    High: 9 °F

    Cold

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow, mainly before 2am. Patchy blowing snow before 4am. Low around 23. West southwest wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.
Christmas Day
A 20 percent chance of snow before 10am. Partly sunny, with a high near 26. Southwest wind around 18 mph, with gusts as high as 29 mph.
Thursday Night
A 40 percent chance of snow after 1am. The snow could be heavy at times. Patchy blowing snow. Mostly cloudy, with a low around 18. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 31 mph. New snow accumulation of 2 to 4 inches possible.
Friday
Snow. Widespread blowing snow, mainly after 8am. High near 21. Wind chill values as low as -7. Windy, with a southwest wind 22 to 27 mph increasing to 29 to 34 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow likely, mainly after 11pm. Widespread blowing snow. Mostly cloudy, with a low around 5. Windy, with a west southwest wind 34 to 43 mph, with gusts as high as 60 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow. Widespread blowing snow, mainly before 2pm. High near 9. Windy. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Partly cloudy, with a low around -4.
Sunday
Mostly sunny and cold, with a high near 9.
Sunday Night
Partly cloudy, with a low around 3.
Monday
Mostly sunny, with a high near 19.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Mostly cloudy, with a high near 24.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Partly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSE Georgetown MT
 46.05°N 113.18°W (Elev. 9767 ft)
Last Update:
1:02 am MST Dec 25, 2025
Forecast Valid:
1am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
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Additional Resources

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Chance of Precipitation