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

TUOLUMNE MEADOWS TUM (TUMC1)

Lat: 37.87639°NLon: 119.34806°WElev: 8654.0ft.

NA

28°F

-2°C

Humidity 96%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 24 Dec 07:00 PM PST
Extended Forecast for

11 Miles S Tioga Pass CA

Flood Watch December 24, 07:36pm until December 26, 04:00pm
Winter Storm Warning December 24, 07:36pm until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
  •  
    Flood Watch December 24, 07:36pm until December 26, 04:00pm
    Winter Storm Warning December 24, 07:36pm until December 26, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 17 °F

    Snow and
    Windy

  • Christmas Day

    Christmas Day: Snow before 1pm, then snow showers after 1pm. Some thunder is also possible. High near 17. Wind chill values as low as -8. Windy, with a south southwest wind 30 to 40 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 27 to 33 inches possible.

    High: 17 °F

    Snow and
    Windy

  • Thursday Night

    Thursday Night: Snow showers. The snow could be heavy at times. Some thunder is also possible. Steady temperature around 17. Wind chill values as low as -6. Windy, with a south southwest wind around 40 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 19 to 25 inches possible.

    Low: 17 °F

    Heavy Snow
    and Windy

  • Friday

    Friday: Snow showers before 1pm, then snow, mainly after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 16. Wind chill values as low as -9. Windy, with a southwest wind 30 to 35 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    High: 16 °F

    Heavy Snow
    and Windy

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 2. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 2 °F

    Snow Likely
    then Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow. Mostly sunny and cold, with a high near 13. West wind 5 to 10 mph.

    High: 13 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 5. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    Low: 5 °F

    Mostly Clear
    and Blustery

  • Sunday

    Sunday: Sunny and cold, with a high near 18. Blustery, with a west northwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 18 °F

    Sunny and
    Blustery then
    Sunny

Detailed Forecast

Tonight
Snow before 1am, then snow showers after 1am. Some thunder is also possible. Steady temperature around 17. Wind chill values as low as -6. Windy, with a south wind 30 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 24 to 30 inches possible.
Christmas Day
Snow before 1pm, then snow showers after 1pm. Some thunder is also possible. High near 17. Wind chill values as low as -8. Windy, with a south southwest wind 30 to 40 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 27 to 33 inches possible.
Thursday Night
Snow showers. The snow could be heavy at times. Some thunder is also possible. Steady temperature around 17. Wind chill values as low as -6. Windy, with a south southwest wind around 40 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 19 to 25 inches possible.
Friday
Snow showers before 1pm, then snow, mainly after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 16. Wind chill values as low as -9. Windy, with a southwest wind 30 to 35 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 2. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 13. West wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 5. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Sunday
Sunny and cold, with a high near 18. Blustery, with a west northwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly clear, with a low around 10. Blustery, with a north wind 20 to 25 mph, with gusts as high as 35 mph.
Monday
Sunny and cold, with a high near 23. Blustery, with a north northeast wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Monday Night
Mostly clear, with a low around 15. Blustery, with a north northeast wind 15 to 20 mph, with gusts as high as 25 mph.
Tuesday
Sunny and cold, with a high near 28. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 19. North northwest wind around 10 mph, with gusts as high as 15 mph.
Wednesday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 28. West northwest wind 5 to 10 mph becoming light west in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles S Tioga Pass CA
 37.75°N 119.28°W (Elev. 11601 ft)
Last Update:
6:57 pm PST Dec 24, 2025
Forecast Valid:
7pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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