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

Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

TUOLUMNE MEADOWS TUM (TUMC1)

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

NA

24°F

-4°C

Humidity 76%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 21 Jan 06:00 AM PST
Extended Forecast for

10 Miles WSW Conway Summit CA

  • Today

    Today: Mostly cloudy, with a high near 43. Wind chill values as low as 10. Southwest wind around 5 mph.

    High: 43 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 24. West southwest wind around 5 mph becoming east southeast after midnight.

    Low: 24 °F

    Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 10am. Mostly cloudy, with a high near 38. Wind chill values as low as 18. North wind around 5 mph.

    High: 38 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. West wind around 5 mph.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 36. Northwest wind 5 to 10 mph.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 11. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and cold, with a high near 29. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 29 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 9. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 9 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 34. West southwest wind around 5 mph.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 43. Wind chill values as low as 10. Southwest wind around 5 mph.
Tonight
Cloudy, with a low around 24. West southwest wind around 5 mph becoming east southeast after midnight.
Thursday
A 20 percent chance of snow after 10am. Mostly cloudy, with a high near 38. Wind chill values as low as 18. North wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 17. West wind around 5 mph.
Friday
Mostly sunny, with a high near 36. Northwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 11. North wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny and cold, with a high near 29. Northeast wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 9. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 34. West southwest wind around 5 mph.
Sunday Night
Mostly cloudy, with a low around 13. West southwest wind around 5 mph.
Monday
Partly sunny, with a high near 36. West southwest wind around 5 mph.
Monday Night
Partly cloudy, with a low around 16. West southwest wind around 5 mph.
Tuesday
Partly sunny, with a high near 41. Southwest wind around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Conway Summit CA
 38.06°N 119.35°W (Elev. 10830 ft)
Last Update:
5:57 am PST Jan 21, 2026
Forecast Valid:
6am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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