National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

TUOLUMNE MEADOWS TUM (TUMC1)

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

NA

29°F

-2°C

Humidity 88%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 01 Jan 04:00 PM PST
Extended Forecast for

10 Miles W Conway Summit CA

Winter Storm Warning January 3, 01:00am until January 5, 10:00am
Click here for hazard details and duration
Winter Storm Warning

  • New Year's Day

    New Year's Day: A 30 percent chance of snow. Partly sunny and cold, with a steady temperature around 21. Wind chill values as low as 4. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph. Total daytime snow accumulation of 3 to 5 inches possible.

    High: 21 °F

    Chance Snow
    and Breezy

  • Tonight

    Tonight: A 30 percent chance of snow before 10pm. Partly cloudy, with a steady temperature around 17. Wind chill values as low as -1. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow
    and Breezy
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 29. Wind chill values as low as zero. South southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 29 °F

    Cold

  • Friday Night

    Friday Night: Snow likely after 10pm. Increasing clouds, with a low around 18. Wind chill values as low as zero. Windy, with a south southwest wind around 30 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 18 °F

    Snow Likely
    and Windy

  • Saturday

    Saturday: Snow before 4pm, then snow showers after 4pm. The snow could be heavy at times. Some thunder is also possible. High near 25. Windy, with a south southwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    High: 25 °F

    Heavy Snow
    and Windy

  • Saturday Night

    Saturday Night: Snow showers before 7pm, then snow between 7pm and 1am, then snow showers likely after 1am. The snow could be heavy at times. Some thunder is also possible. Low around 19. Windy, with a southwest wind around 35 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 6 to 10 inches possible.

    Low: 19 °F

    Heavy Snow
    and Windy

  • Sunday

    Sunday: Snow before 1pm, then snow showers after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 22. Windy, with a south southwest wind 25 to 35 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 13 to 19 inches possible.

    High: 22 °F

    Heavy Snow
    and Windy

  • Sunday Night

    Sunday Night: Snow showers before 10pm, then snow likely after 10pm. The snow could be heavy at times. Some thunder is also possible. Low around 12. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 35 mph. Chance of precipitation is 90%.

    Low: 12 °F

    Heavy Snow
    and Windy

  • Monday

    Monday: Snow likely. Mostly cloudy and cold, with a high near 20. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    High: 20 °F

    Snow Likely
    and Breezy

Detailed Forecast

New Year's Day
A 30 percent chance of snow. Partly sunny and cold, with a steady temperature around 21. Wind chill values as low as 4. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
A 30 percent chance of snow before 10pm. Partly cloudy, with a steady temperature around 17. Wind chill values as low as -1. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Friday
Mostly sunny and cold, with a high near 29. Wind chill values as low as zero. South southwest wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Snow likely after 10pm. Increasing clouds, with a low around 18. Wind chill values as low as zero. Windy, with a south southwest wind around 30 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow before 4pm, then snow showers after 4pm. The snow could be heavy at times. Some thunder is also possible. High near 25. Windy, with a south southwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Saturday Night
Snow showers before 7pm, then snow between 7pm and 1am, then snow showers likely after 1am. The snow could be heavy at times. Some thunder is also possible. Low around 19. Windy, with a southwest wind around 35 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 6 to 10 inches possible.
Sunday
Snow before 1pm, then snow showers after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 22. Windy, with a south southwest wind 25 to 35 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 13 to 19 inches possible.
Sunday Night
Snow showers before 10pm, then snow likely after 10pm. The snow could be heavy at times. Some thunder is also possible. Low around 12. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 35 mph. Chance of precipitation is 90%.
Monday
Snow likely. Mostly cloudy and cold, with a high near 20. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Monday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 8. Southwest wind 10 to 15 mph. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of snow. Partly sunny and cold, with a high near 21. West wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 10. South southwest wind around 10 mph, with gusts as high as 15 mph.
Wednesday
A 40 percent chance of snow. Partly sunny and cold, with a high near 23. West southwest wind 10 to 15 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 8. Breezy, with a southwest wind 15 to 20 mph.
Thursday
A 40 percent chance of snow. Partly sunny and cold, with a high near 17. Breezy, with a southwest wind 15 to 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Conway Summit CA
 38.08°N 119.36°W (Elev. 12178 ft)
Last Update:
3:57 pm PST Jan 1, 2026
Forecast Valid:
4pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
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