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

25°F

-4°C

Humidity 94%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 25 Dec 05:00 AM PST
Extended Forecast for

12 Miles S Tioga Pass CA

Flood Watch December 25, 05:24am until December 26, 04:00pm
Winter Storm Warning December 25, 05:24am until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
  •  
    Flood Watch December 25, 05:24am until December 26, 04:00pm
    Winter Storm Warning December 25, 05:24am until December 26, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 15 °F

    Snow and
    Windy

  • Christmas Day

    Christmas Day: Snow before 1pm, then snow showers after 1pm. Some thunder is also possible. High near 18. Wind chill values as low as -7. Windy, with a south southwest wind 30 to 35 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 22 to 28 inches possible.

    High: 18 °F

    Snow and
    Windy

  • Thursday Night

    Thursday Night: Snow showers. Some thunder is also possible. Steady temperature around 18. Wind chill values as low as -6. Windy, with a south southwest wind 35 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 18 to 24 inches possible.

    Low: 18 °F

    Snow Showers
    and Windy

  • Friday

    Friday: Snow before 10am, then snow showers between 10am and 1pm, then snow after 1pm. Some thunder is also possible. High near 17. Wind chill values as low as -10. Windy, with a southwest wind 25 to 30 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 6 to 10 inches possible.

    High: 17 °F

    Snow and
    Windy

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 3. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 3 °F

    Snow Likely
    then Chance
    Snow

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before 10am. Mostly sunny and cold, with a high near 15. West wind around 5 mph. Little or no snow accumulation expected.

    High: 15 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 6. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 6 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and cold, with a high near 20. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 20 °F

    Cold

Detailed Forecast

Overnight
Snow. Low around 15. Wind chill values as low as -4. Windy, with a south wind around 35 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 10 to 16 inches possible.
Christmas Day
Snow before 1pm, then snow showers after 1pm. Some thunder is also possible. High near 18. Wind chill values as low as -7. Windy, with a south southwest wind 30 to 35 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 22 to 28 inches possible.
Thursday Night
Snow showers. Some thunder is also possible. Steady temperature around 18. Wind chill values as low as -6. Windy, with a south southwest wind 35 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 18 to 24 inches possible.
Friday
Snow before 10am, then snow showers between 10am and 1pm, then snow after 1pm. Some thunder is also possible. High near 17. Wind chill values as low as -10. Windy, with a southwest wind 25 to 30 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 6 to 10 inches possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 3. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
A 30 percent chance of snow, mainly before 10am. Mostly sunny and cold, with a high near 15. West wind around 5 mph. Little or no snow accumulation expected.
Saturday Night
Mostly clear, with a low around 6. West wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny and cold, with a high near 20. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Clear, with a low around 12. Blustery, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny and cold, with a high near 26. Blustery, with a north northeast wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Clear, with a low around 18. North northeast wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny and cold, with a high near 31. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 22. North wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny and cold, with a high near 30. 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:
12 Miles S Tioga Pass CA
 37.75°N 119.31°W (Elev. 11988 ft)
Last Update:
4:56 am PST Dec 25, 2025
Forecast Valid:
5am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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