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 93%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 25 Dec 08:00 PM PST
Extended Forecast for

14 Miles WNW Tioga Pass CA

Flood Watch December 25, 08:33pm until December 26, 04:00pm
Winter Storm Warning December 25, 08:33pm until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
  •  
    Flood Watch December 25, 08:33pm until December 26, 04:00pm
    Winter Storm Warning December 25, 08:33pm until December 26, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 20 °F

    Snow Showers
    and Windy

  • Friday

    Friday: Snow before 10am, then snow showers after 10am. Some thunder is also possible. High near 27. Wind chill values as low as 4. Breezy, with a southwest wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    High: 27 °F

    Snow and
    Breezy

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 9. Wind chill values as low as 2. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 9 °F

    Snow Likely
    then Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow. Mostly sunny and cold, with a high near 29. Wind chill values as low as 1. West southwest wind around 5 mph becoming calm.

    High: 29 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 10. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 10 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 34. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 16. Blustery, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 16 °F

    Clear then
    Mostly Clear
    and Blustery

  • Monday

    Monday: Sunny, with a high near 37. Breezy, with an east northeast wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 37 °F

    Sunny and
    Breezy then
    Sunny

Detailed Forecast

Tonight
Snow showers before 4am, then snow after 4am. Some thunder is also possible. Low around 20. Wind chill values as low as 5. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 15 to 21 inches possible.
Friday
Snow before 10am, then snow showers after 10am. Some thunder is also possible. High near 27. Wind chill values as low as 4. Breezy, with a southwest wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 9. Wind chill values as low as 2. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Saturday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 29. Wind chill values as low as 1. West southwest wind around 5 mph becoming calm.
Saturday Night
Mostly clear, with a low around 10. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 34. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 16. Blustery, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 37. Breezy, with an east northeast wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 23. East northeast wind around 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 43. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 26. East wind around 5 mph.
Wednesday
Sunny, with a high near 43. East wind around 5 mph becoming calm in the morning.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 24. Calm wind becoming east around 5 mph.
New Year's Day
A 30 percent chance of snow. Partly sunny, with a high near 38. West southwest wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles WNW Tioga Pass CA
 38.02°N 119.48°W (Elev. 9400 ft)
Last Update:
7:57 pm PST Dec 25, 2025
Forecast Valid:
8pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
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