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

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

TUOLUMNE MEADOWS TUM (TUMC1)

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

NA

53°F

12°C

Humidity 28%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 12 Nov 12:00 PM PST
Extended Forecast for

10 Miles WSW Conway Summit CA

Winter Storm Warning November 13, 04:00am until November 14, 10:00am
Click here for hazard details and duration
Winter Storm Warning

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 44. Wind chill values as low as 27. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 44 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of snow after 4am. Partly cloudy, with a low around 27. Wind chill values as low as 15. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Breezy.
    Mostly Clear
    then Chance
    Snow

  • Thursday

    Thursday: Snow, mainly after 10am. High near 39. Wind chill values as low as 16. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 39 °F

    Snow and
    Breezy

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times. Low around 26. Wind chill values as low as 18. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 9 to 13 inches possible.

    Low: 26 °F

    Heavy Snow
    and Breezy

  • Friday

    Friday: Snow before 10am, then snow showers likely after 10am. The snow could be heavy at times. Some thunder is also possible. High near 35. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.

    High: 35 °F

    Heavy Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 23. East wind 5 to 10 mph, with gusts as high as 20 mph. New snow accumulation of around an inch possible.

    Low: 23 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow before 10am, then a chance of snow showers after 10am. Some thunder is also possible. Mostly cloudy, with a high near 35. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Snow likely. Mostly cloudy, with a low around 22. North northwest wind around 10 mph becoming west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    Low: 22 °F

    Snow Likely

  • Sunday

    Sunday: Snow likely, mainly before 4pm. Mostly cloudy, with a high near 33. West southwest wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 33 °F

    Snow Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 44. Wind chill values as low as 27. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
A 30 percent chance of snow after 4am. Partly cloudy, with a low around 27. Wind chill values as low as 15. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Thursday
Snow, mainly after 10am. High near 39. Wind chill values as low as 16. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow. The snow could be heavy at times. Low around 26. Wind chill values as low as 18. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 9 to 13 inches possible.
Friday
Snow before 10am, then snow showers likely after 10am. The snow could be heavy at times. Some thunder is also possible. High near 35. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New snow accumulation of 5 to 9 inches possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23. East wind 5 to 10 mph, with gusts as high as 20 mph. New snow accumulation of around an inch possible.
Saturday
A chance of snow before 10am, then a chance of snow showers after 10am. Some thunder is also possible. Mostly cloudy, with a high near 35. East northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Snow likely. Mostly cloudy, with a low around 22. North northwest wind around 10 mph becoming west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Sunday
Snow likely, mainly before 4pm. Mostly cloudy, with a high near 33. West southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Sunday Night
Snow likely, mainly after 10pm. The snow could be heavy at times. Mostly cloudy, with a low around 18. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
Snow likely. The snow could be heavy at times. Mostly cloudy and cold, with a high near 27. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 11. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A 30 percent chance of snow. Partly sunny and cold, with a high near 27. West wind 5 to 10 mph, with gusts as high as 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Conway Summit CA
 38.06°N 119.35°W (Elev. 10830 ft)
Last Update:
11:56 am PST Nov 12, 2025
Forecast Valid:
1pm PST Nov 12, 2025-6pm PST Nov 18, 2025
 
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