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 96%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 26 Dec 01:00 AM PST
Extended Forecast for

5 Miles SSE Tioga Pass CA

Flood Watch December 26, 01:32am until December 26, 04:00pm
Winter Storm Warning December 26, 01:32am until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
  •  
    Flood Watch December 26, 01:32am until December 26, 04:00pm
    Winter Storm Warning December 26, 01:32am until December 26, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 22 °F

    Snow Showers
    and Windy

  • Friday

    Friday: Snow showers. Some thunder is also possible. Temperature rising to near 21 by 10am, then falling to around 16 during the remainder of the day. Wind chill values as low as -1. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    High: 21 °F⇓

    Snow Showers
    and Windy

  • Friday Night

    Friday Night: Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 5. Wind chill values as low as -2. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 5 °F

    Snow Showers
    Likely then
    Slight Chance
    Snow Showers

  • Saturday

    Saturday: Sunny and cold, with a high near 22. Wind chill values as low as -4. West northwest wind around 5 mph.

    High: 22 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 7. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 7 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and cold, with a high near 24. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 24 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 11. West wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 30 mph.

    Low: 11 °F

    Mostly Clear

  • Monday

    Monday: Sunny and cold, with a high near 27. Northeast wind 10 to 15 mph, with gusts as high as 35 mph.

    High: 27 °F

    Cold

Detailed Forecast

Overnight
Snow showers. Some thunder is also possible. Steady temperature around 22. Wind chill values as low as 2. Windy, with a southwest wind around 35 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 10 to 14 inches possible.
Friday
Snow showers. Some thunder is also possible. Temperature rising to near 21 by 10am, then falling to around 16 during the remainder of the day. Wind chill values as low as -1. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Friday Night
Snow showers likely, mainly before 10pm. Mostly cloudy, with a low around 5. Wind chill values as low as -2. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday
Sunny and cold, with a high near 22. Wind chill values as low as -4. West northwest wind around 5 mph.
Saturday Night
Mostly clear, with a low around 7. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny and cold, with a high near 24. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 11. West wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 30 mph.
Monday
Sunny and cold, with a high near 27. Northeast wind 10 to 15 mph, with gusts as high as 35 mph.
Monday Night
Clear, with a low around 15. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 33. North wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 20. West wind around 5 mph.
Wednesday
Sunny, with a high near 34. West wind around 5 mph becoming calm in the afternoon.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 22. West southwest wind around 5 mph, with gusts as high as 15 mph.
New Year's Day
A 30 percent chance of snow. Partly sunny and cold, with a high near 30. Southwest wind around 5 mph, with gusts as high as 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Tioga Pass CA
 37.85°N 119.22°W (Elev. 10781 ft)
Last Update:
12:57 am PST Dec 26, 2025
Forecast Valid:
1am PST Dec 26, 2025-6pm PST Jan 1, 2026
 
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