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 >

Hazardous Weather Conditions

Current conditions at

SR-338 Sweetwater (SWWNV)

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

NA

32°F

0°C

Humidity 100%
Wind Speed SE 4 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill28°F (-2°C)
Last update 24 Dec 12:31 PM PST
Extended Forecast for

10 Miles NE Sweetwater Summit NV

Wind Advisory December 25, 04:00am until December 25, 10:00pm
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Snow. High near 35. Windy, with a south wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow and
    Windy

  • Tonight

    Tonight: Snow likely before 1am, then a chance of snow after 4am. Cloudy during the early evening, then gradual clearing, with a low around 30. Windy, with a south wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Snow Likely
    and Windy

  • Christmas Day

    Christmas Day: Snow, mainly after 7am. High near 34. Very windy, with a south wind 40 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Snow and Very
    Windy

  • Thursday Night

    Thursday Night: Snow. Low around 29. Very windy, with a south wind 40 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 29 °F

    Snow and Very
    Windy

  • Friday

    Friday: Snow, mainly before 4pm. High near 32. Windy, with a southwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 32 °F

    Snow and
    Windy

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly before 10pm. Partly cloudy, with a low around 19. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Little or no snow accumulation expected.

    Low: 19 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: A 20 percent chance of snow after 10am. Mostly sunny, with a high near 27.

    High: 27 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

Detailed Forecast

This Afternoon
Snow. High near 35. Windy, with a south wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow likely before 1am, then a chance of snow after 4am. Cloudy during the early evening, then gradual clearing, with a low around 30. Windy, with a south wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Christmas Day
Snow, mainly after 7am. High near 34. Very windy, with a south wind 40 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow. Low around 29. Very windy, with a south wind 40 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday
Snow, mainly before 4pm. High near 32. Windy, with a southwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A 40 percent chance of snow, mainly before 10pm. Partly cloudy, with a low around 19. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Little or no snow accumulation expected.
Saturday
A 20 percent chance of snow after 10am. Mostly sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Sunny, with a high near 28.
Sunday Night
Mostly clear, with a low around 19.
Monday
Sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 23.
Tuesday
Sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NE Sweetwater Summit NV
 38.63°N 119.11°W (Elev. 8340 ft)
Last Update:
9:15 am PST Dec 24, 2025
Forecast Valid:
12pm PST Dec 24, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation