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

WAWONA (WWNC1)

Lat: 37.53447°NLon: 119.64497°WElev: 4309.0ft.

NA

43°F

6°C

Humidity 89%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 26 Dec 01:51 AM PST
Extended Forecast for

15 Miles SSE Yosemite CA

Flood Watch December 26, 02:08am until December 26, 04:00pm
Winter Storm Warning December 26, 02:08am until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
  •  
    Flood Watch December 26, 02:08am until December 26, 04:00pm
    Winter Storm Warning December 26, 02:08am until December 26, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 22 °F

    Snow Showers
    and Windy

  • Friday

    Friday: Snow showers. Some thunder is also possible. Temperature falling to around 16 by 5pm. Wind chill values as low as 1. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.

    High: 22 °F⇓

    Snow Showers
    and Windy

  • Friday Night

    Friday Night: Snow showers, mainly before 10pm. Low around 11. Wind chill values as low as 4. South southwest wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 11 °F

    Snow Showers
    then Chance
    Snow Showers

  • Saturday

    Saturday: Sunny and cold, with a high near 24. Wind chill values as low as 3. Northwest wind around 5 mph becoming calm in the morning.

    High: 24 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 12. North wind 10 to 15 mph.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and cold, with a high near 27. North wind 5 to 15 mph becoming west northwest in the afternoon.

    High: 27 °F

    Cold

  • Sunday Night

    Sunday Night: Clear, with a low around 16. North northeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 16 °F

    Clear

  • Monday

    Monday: Sunny and cold, with a high near 31. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 31 °F

    Cold

Detailed Forecast

Overnight
Snow showers. Some thunder is also possible. Steady temperature around 22. Wind chill values as low as 3. Windy, with a southwest wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 16 to 22 inches possible.
Friday
Snow showers. Some thunder is also possible. Temperature falling to around 16 by 5pm. Wind chill values as low as 1. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.
Friday Night
Snow showers, mainly before 10pm. Low around 11. Wind chill values as low as 4. South southwest wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Saturday
Sunny and cold, with a high near 24. Wind chill values as low as 3. Northwest wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly clear, with a low around 12. North wind 10 to 15 mph.
Sunday
Sunny and cold, with a high near 27. North wind 5 to 15 mph becoming west northwest in the afternoon.
Sunday Night
Clear, with a low around 16. North northeast wind around 15 mph, with gusts as high as 20 mph.
Monday
Sunny and cold, with a high near 31. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Clear, with a low around 21. North northeast wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 35. North wind 10 to 15 mph decreasing to 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 25. North northeast wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 35. North wind 5 to 10 mph becoming light northwest in the afternoon.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 25. North wind around 5 mph.
New Year's Day
A 30 percent chance of snow. Partly sunny and cold, with a high near 30. Northwest wind around 5 mph becoming southwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSE Yosemite CA
 37.58°N 119.38°W (Elev. 9800 ft)
Last Update:
1:57 am PST Dec 26, 2025
Forecast Valid:
2am PST Dec 26, 2025-6pm PST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation