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 09:00 PM PST
Extended Forecast for

6 Miles WSW Tioga Pass CA

Flood Watch December 25, 09:54pm until December 26, 04:00pm
Winter Storm Warning December 25, 09:54pm until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
  •  
    Flood Watch December 25, 09:54pm until December 26, 04:00pm
    Winter Storm Warning December 25, 09:54pm until December 26, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 17 °F

    Snow Showers

  • Friday

    Friday: Snow before 10am, then snow showers after 10am. Some thunder is also possible. High near 31. Wind chill values as low as 4. Southwest wind 5 to 15 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    High: 31 °F

    Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 4. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 4 °F

    Snow Likely
    then Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 10am. Sunny, with a high near 33. Wind chill values as low as 4. Calm wind.

    High: 33 °F

    Slight Chance
    Snow then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 6. East wind around 5 mph, with gusts as high as 15 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: Mostly clear, with a low around 12. East northeast wind around 5 mph, with gusts as high as 20 mph.

    Low: 12 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 42. East northeast wind around 5 mph, with gusts as high as 20 mph.

    High: 42 °F

    Sunny

Detailed Forecast

Tonight
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 13 to 19 inches possible.
Friday
Snow before 10am, then snow showers after 10am. Some thunder is also possible. High near 31. Wind chill values as low as 4. Southwest wind 5 to 15 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 4. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday
A 20 percent chance of snow before 10am. Sunny, with a high near 33. Wind chill values as low as 4. Calm wind.
Saturday Night
Mostly clear, with a low around 6. East wind around 5 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 37. East northeast wind around 5 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 12. East northeast wind around 5 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 42. East northeast wind around 5 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 18. East northeast wind around 5 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 47. East northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 21. Calm wind.
Wednesday
Sunny, with a high near 47. Calm wind.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 21. Calm wind.
New Year's Day
A 30 percent chance of snow. Partly sunny, with a high near 43. 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:
8:56 pm PST Dec 25, 2025
Forecast Valid:
9pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
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