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

YOSEMITE VALLEY NEAR YOSEMITE VILLAGE 1NNW YYV (YYVC1)

Lat: 37.74972°NLon: 119.58944°WElev: 4022.0ft.

NA

44°F

7°C

Humidity 79%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 26 Dec 02:15 AM PST
Extended Forecast for

Yosemite Valley CA

Flood Watch December 26, 02:43am until December 26, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 26, 02:43am until December 26, 04:00pm

    NOW until 4:00pm Fri

    Flood Watch

  • Overnight

    Low: 31 °F

    Showers

  • Friday

    Friday: Rain and snow showers before noon, then rain showers between noon and 3pm, then rain and snow showers after 3pm. Some thunder is also possible. Snow level 5100 feet. High near 41. Wind chill values as low as 23. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 41 °F

    Rain/Snow

  • Friday Night

    Friday Night: Snow showers, mainly before 10pm. Low around 20. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Snow Showers
    then Chance
    Snow Showers

  • Saturday

    Saturday: Sunny, with a high near 44. Wind chill values as low as 21. Calm wind becoming west southwest around 5 mph.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 22. East northeast wind around 5 mph.

    Low: 22 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 50. East wind around 5 mph.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 26. East northeast wind around 10 mph.

    Low: 26 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 52. East northeast wind around 10 mph.

    High: 52 °F

    Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 31. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Rain and snow showers before noon, then rain showers between noon and 3pm, then rain and snow showers after 3pm. Some thunder is also possible. Snow level 5100 feet. High near 41. Wind chill values as low as 23. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Friday Night
Snow showers, mainly before 10pm. Low around 20. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday
Sunny, with a high near 44. Wind chill values as low as 21. Calm wind becoming west southwest around 5 mph.
Saturday Night
Mostly clear, with a low around 22. East northeast wind around 5 mph.
Sunday
Sunny, with a high near 50. East wind around 5 mph.
Sunday Night
Clear, with a low around 26. East northeast wind around 10 mph.
Monday
Sunny, with a high near 52. East northeast wind around 10 mph.
Monday Night
Clear, with a low around 31. East northeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 57. East northeast wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 34. East northeast wind around 5 mph.
Wednesday
Sunny, with a high near 57. East northeast wind around 5 mph becoming calm.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 35. Calm wind.
New Year's Day
A 30 percent chance of rain. Partly sunny, with a high near 52. Calm wind becoming south southwest around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yosemite Valley CA
 37.75°N 119.59°W (Elev. 4760 ft)
Last Update:
1:57 am PST Dec 26, 2025
Forecast Valid:
2am PST Dec 26, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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Chance of Precipitation