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

6 Miles WSW Tioga Pass CA

Flood Watch December 26, 02:43am until December 26, 04:00pm
Winter Storm Warning December 26, 02:43am until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
  •  
    Flood Watch December 26, 02:43am until December 26, 04:00pm
    Winter Storm Warning December 26, 02:43am until December 26, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 17 °F

    Snow Showers

  • Friday

    Friday: Snow showers. Some thunder is also possible. High near 31. Wind chill values as low as 4. Southwest wind 10 to 15 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

    High: 31 °F

    Snow Showers

  • Friday Night

    Friday Night: Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 4. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 4 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Saturday

    Saturday: A 20 percent chance of snow showers before 10am. Sunny, with a high near 33. Wind chill values as low as 5. Calm wind.

    High: 33 °F

    Slight Chance
    Snow Showers
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 6. Northeast wind around 5 mph.

    Low: 6 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 37. East northeast wind around 5 mph, with gusts as high as 15 mph.

    High: 37 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 8. East northeast wind around 5 mph, with gusts as high as 20 mph.

    Low: 8 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 39. East northeast wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 39 °F

    Sunny

Detailed Forecast

Overnight
Snow showers. Some thunder is also possible. Low around 17. Wind chill values as low as 8. Southwest wind around 15 mph, with gusts as high as 45 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 31. Wind chill values as low as 4. Southwest wind 10 to 15 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.
Friday Night
Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 4. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Saturday
A 20 percent chance of snow showers before 10am. Sunny, with a high near 33. Wind chill values as low as 5. Calm wind.
Saturday Night
Mostly clear, with a low around 6. Northeast wind around 5 mph.
Sunday
Sunny, with a high near 37. East northeast wind around 5 mph, with gusts as high as 15 mph.
Sunday Night
Clear, with a low around 8. East northeast wind around 5 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 39. East northeast wind 5 to 10 mph, with gusts as high as 25 mph.
Monday Night
Clear, with a low around 10. East northeast wind around 5 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 46. East wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 13. Calm wind.
Wednesday
Sunny, with a high near 45. Calm wind.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 18. Calm wind.
New Year's Day
A 30 percent chance of snow. Partly sunny, with a high near 41. Calm wind becoming southwest around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Tioga Pass CA
 37.87°N 119.37°W (Elev. 8661 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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Chance of Precipitation