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

26°F

-3°C

Humidity 95%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 26 Dec 02:00 AM PST
Extended Forecast for

4 Miles S Tioga Pass CA

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

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 25 °F

    Snow Showers
    and Windy

  • Friday

    Friday: Snow showers. Some thunder is also possible. High near 25. Wind chill values as low as 2. Windy, with a southwest wind 20 to 30 mph decreasing to 10 to 20 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    High: 25 °F

    Snow Showers
    and Windy

  • Friday Night

    Friday Night: Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 8. West southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 8 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Saturday

    Saturday: A 20 percent chance of snow showers before 10am. Sunny and cold, with a high near 23. Wind chill values as low as 2. West southwest wind around 5 mph becoming calm.

    High: 23 °F

    Slight Chance
    Snow Showers
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 9. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 9 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and cold, with a high near 25. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 25 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 14. West wind 10 to 15 mph becoming north northeast after midnight. Winds could gust as high as 30 mph.

    Low: 14 °F

    Mostly Clear

  • Monday

    Monday: Sunny and cold, with a high near 29. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 29 °F

    Cold

Detailed Forecast

Overnight
Snow showers. Some thunder is also possible. Steady temperature around 25. Wind chill values as low as 6. Windy, with a southwest wind 35 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 10 to 14 inches possible.
Friday
Snow showers. Some thunder is also possible. High near 25. Wind chill values as low as 2. Windy, with a southwest wind 20 to 30 mph decreasing to 10 to 20 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Friday Night
Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 8. West southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday
A 20 percent chance of snow showers before 10am. Sunny and cold, with a high near 23. Wind chill values as low as 2. West southwest wind around 5 mph becoming calm.
Saturday Night
Mostly clear, with a low around 9. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny and cold, with a high near 25. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 14. West wind 10 to 15 mph becoming north northeast after midnight. Winds could gust as high as 30 mph.
Monday
Sunny and cold, with a high near 29. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Clear, with a low around 18. Northeast wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 35. Northeast wind 5 to 10 mph becoming light north northeast in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 23. West wind around 5 mph.
Wednesday
Sunny, with a high near 35. West wind around 5 mph becoming calm in the morning.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 25. Calm wind becoming west around 5 mph after midnight.
New Year's Day
A 30 percent chance of snow. Partly sunny and cold, with a high near 31. West southwest wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Tioga Pass CA
 37.84°N 119.27°W (Elev. 10850 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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