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

Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

TUOLUMNE MEADOWS TUM (TUMC1)

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

NA

31°F

-1°C

Humidity 62%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 27 Dec 01:00 PM PST
Extended Forecast for

10 Miles WSW Conway Summit CA

  • This Afternoon

    This Afternoon: Sunny and cold, with a high near 26. Wind chill values as low as 6. North northeast wind around 5 mph.

    High: 26 °F

    Cold

  • Tonight

    Tonight: Mostly clear, with a low around 5. Wind chill values as low as -7. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 5 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing and cold, with a high near 32. Wind chill values as low as -4. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 32 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 9. Wind chill values as low as -8. Northeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 9 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 34. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 34 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 15. East wind around 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 39. South southeast wind 5 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 39 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. North wind around 10 mph becoming west southwest after midnight.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 40. West wind around 5 mph.

    High: 40 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny and cold, with a high near 26. Wind chill values as low as 6. North northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 5. Wind chill values as low as -7. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing and cold, with a high near 32. Wind chill values as low as -4. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 9. Wind chill values as low as -8. Northeast wind around 15 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 34. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Clear, with a low around 15. East wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 39. South southeast wind 5 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 19. North wind around 10 mph becoming west southwest after midnight.
Wednesday
Partly sunny, with a high near 40. West wind around 5 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21. West wind around 5 mph.
New Year's Day
Snow likely. Mostly cloudy, with a high near 37. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Thursday Night
Snow likely. Mostly cloudy, with a low around 19. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday
Snow likely. Mostly cloudy, with a high near 33. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
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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:
12:57 pm PST Dec 27, 2025
Forecast Valid:
1pm PST Dec 27, 2025-6pm PST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation