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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

SR-338 Sweetwater (SWWNV)

Lat: 38.51387°NLon: 119.21288°WElev: 6810.0ft.

NA

43°F

6°C

Humidity 49%
Wind Speed S 30 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 23 Dec 08:09 PM PST
Extended Forecast for

5 Miles W Sweetwater Summit NV

Winter Storm Warning December 23, 10:00pm until December 26, 10:00am
Click here for hazard details and duration
Winter Storm Warning

  • Tonight

    Tonight: Snow, mainly after 1am. The snow could be heavy at times. Low around 28. Very windy, with a south wind around 45 mph, with gusts as high as 70 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Very Windy.
    Slight Chance
    Snow then
    Heavy Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times. High near 32. Very windy, with a south wind 35 to 45 mph decreasing to 15 to 25 mph in the afternoon. Winds could gust as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 32 °F

    Heavy Snow
    and Very
    Windy

  • Wednesday Night

    Wednesday Night: Snow. Low around 27. Windy, with a south wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Snow and
    Windy

  • Christmas Day

    Christmas Day: Snow. The snow could be heavy at times. High near 29. Windy, with a south wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    High: 29 °F

    Heavy Snow
    and Windy

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times. Low around 22. Windy, with a south wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    Low: 22 °F

    Heavy Snow
    and Windy

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 24. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 24 °F

    Heavy Snow
    and Breezy

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 14. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow

  • Saturday

    Saturday: A slight chance of snow. Mostly sunny, with a high near 21.

    High: 21 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow, mainly after 1am. The snow could be heavy at times. Low around 28. Very windy, with a south wind around 45 mph, with gusts as high as 70 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 5 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 32. Very windy, with a south wind 35 to 45 mph decreasing to 15 to 25 mph in the afternoon. Winds could gust as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Wednesday Night
Snow. Low around 27. Windy, with a south wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Christmas Day
Snow. The snow could be heavy at times. High near 29. Windy, with a south wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Thursday Night
Snow. The snow could be heavy at times. Low around 22. Windy, with a south wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Friday
Snow. The snow could be heavy at times. High near 24. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 14. New snow accumulation of less than a half inch possible.
Saturday
A slight chance of snow. Mostly sunny, with a high near 21.
Saturday Night
Partly cloudy, with a low around 13.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
Mostly clear, with a low around 15.
Monday
Sunny, with a high near 27.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Sweetwater Summit NV
 38.52°N 119.28°W (Elev. 9928 ft)
Last Update:
1:15 pm PST Dec 23, 2025
Forecast Valid:
8pm PST Dec 23, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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