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

35°F

2°C

Humidity 100%
Wind Speed S 16 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill25°F (-4°C)
Last update 24 Dec 03:36 AM PST
Extended Forecast for

5 Miles W Sweetwater Summit NV

Wind Advisory until December 24, 07:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until December 24, 07:00am

    NOW until 7:00am Wed

    Wind Advisory

  • Overnight

    Low: 31 °F

    Heavy Snow
    and Very
    Windy

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times. High near 36. Very windy, with a south wind 35 to 40 mph decreasing to 25 to 30 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 36 °F

    Heavy Snow
    and Very
    Windy

  • Wednesday Night

    Wednesday Night: Snow, mainly before 1am. Low around 27. Very windy, with a south wind 30 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Snow and Very
    Windy

  • Christmas Day

    Christmas Day: Snow. The snow could be heavy at times. High near 34. Very windy, with a south wind 40 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 34 °F

    Heavy Snow
    and Very
    Windy

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times. Low around 25. Very windy, with a south wind around 45 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Low: 25 °F

    Heavy Snow
    and Very
    Windy

  • Friday

    Friday: Snow. The snow could be heavy at times. High near 31. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 31 °F

    Heavy Snow
    and Windy

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 13. Breezy. Little or no snow accumulation expected.

    Low: 13 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: A slight chance of snow. Mostly sunny, with a high near 29.

    High: 29 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Low around 31. Very windy, with a south wind around 40 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.
Wednesday
Snow. The snow could be heavy at times. High near 36. Very windy, with a south wind 35 to 40 mph decreasing to 25 to 30 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Wednesday Night
Snow, mainly before 1am. Low around 27. Very windy, with a south wind 30 to 40 mph, with gusts as high as 60 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 34. Very windy, with a south wind 40 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Thursday Night
Snow. The snow could be heavy at times. Low around 25. Very windy, with a south wind around 45 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Friday
Snow. The snow could be heavy at times. High near 31. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 13. Breezy. Little or no snow accumulation expected.
Saturday
A slight chance of snow. Mostly sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Sunny, with a high near 30.
Sunday Night
Mostly clear, with a low around 14.
Monday
Sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Sweetwater Summit NV
 38.54°N 119.32°W (Elev. 8189 ft)
Last Update:
1:15 am PST Dec 24, 2025
Forecast Valid:
3am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation