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 >

Current conditions at

TUOLUMNE MEADOWS TUM (TUMC1)

Lat: 37.87639°NLon: 119.34806°WElev: 8654.0ft.

NA

28°F

-2°C

Humidity 93%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 25 Dec 03:00 PM PST
Extended Forecast for

11 Miles W Conway Summit CA

Flood Watch December 25, 03:39pm until December 26, 04:00pm
Winter Storm Warning December 25, 03:39pm until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
  •  
    Flood Watch December 25, 03:39pm until December 26, 04:00pm
    Winter Storm Warning December 25, 03:39pm until December 26, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Christmas Day

    High: 24 °F

    Snow Showers
    and Windy

  • Tonight

    Tonight: Snow showers. Some thunder is also possible.  Low around 15. Wind chill values as low as -5. Very windy, with a south southwest wind 45 to 50 mph, with gusts as high as 65 mph.  Chance of precipitation is 100%. New snow accumulation of 16 to 22 inches possible.

    Low: 15 °F

    Snow Showers
    and Very
    Windy

  • Friday

    Friday: Snow.  High near 22. Wind chill values as low as -7. Windy, with a southwest wind 30 to 40 mph decreasing to 20 to 30 mph in the afternoon. Winds could gust as high as 60 mph.  Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    High: 22 °F

    Snow and
    Windy

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm.  Mostly cloudy, with a low around 5. Wind chill values as low as -9. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 5 °F

    Breezy. Snow
    Likely then
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 10am.  Mostly sunny and cold, with a high near 22. West wind 5 to 10 mph.

    High: 22 °F

    Slight Chance
    Snow then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 5. Breezy, with a west southwest wind 15 to 20 mph.

    Low: 5 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Sunday

    Sunday: Mostly sunny and cold, with a high near 26. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 26 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 11. Windy, with a west southwest wind 20 to 30 mph becoming north after midnight.

    Low: 11 °F

    Mostly Clear
    and Windy

Detailed Forecast

Christmas Day
Snow showers. Some thunder is also possible. High near 24. Wind chill values as low as 1. Windy, with a south southwest wind around 35 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 11 to 17 inches possible.
Tonight
Snow showers. Some thunder is also possible. Low around 15. Wind chill values as low as -5. Very windy, with a south southwest wind 45 to 50 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 16 to 22 inches possible.
Friday
Snow. High near 22. Wind chill values as low as -7. Windy, with a southwest wind 30 to 40 mph decreasing to 20 to 30 mph in the afternoon. Winds could gust as high as 60 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 5. Wind chill values as low as -9. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday
A 20 percent chance of snow before 10am. Mostly sunny and cold, with a high near 22. West wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 5. Breezy, with a west southwest wind 15 to 20 mph.
Sunday
Mostly sunny and cold, with a high near 26. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 11. Windy, with a west southwest wind 20 to 30 mph becoming north after midnight.
Monday
Sunny and cold, with a high near 30. Blustery, with a northeast wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Monday Night
Mostly clear, with a low around 17. Blustery, with a northeast wind around 20 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 36. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 22. West southwest wind 10 to 15 mph.
Wednesday
Sunny, with a high near 37. West wind 5 to 10 mph.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 21. West wind 5 to 10 mph.
New Year's Day
A 30 percent chance of snow. Partly sunny, with a high near 33. West southwest wind around 10 mph, with gusts as high as 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Conway Summit CA
 38.1°N 119.39°W (Elev. 10997 ft)
2:57 pm PST Dec 25, 2025
3pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
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