Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

TUOLUMNE MEADOWS TUM (TUMC1)

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

NA

13°F

-11°C

Humidity 73%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 6°F (-14°C)
Visibility NA
Last update 20 Jan 06:00 AM PST
Extended Forecast for

16 Miles N Yosemite CA

  • Today

    Today: Mostly sunny, with a high near 46. Wind chill values as low as 29 early. Calm wind becoming west southwest around 5 mph.

    High: 46 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 45. Calm wind becoming west around 5 mph.

    High: 45 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow.  Mostly cloudy, with a high near 40. Northeast wind around 5 mph becoming northwest in the afternoon.

    High: 40 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. Northeast wind around 5 mph.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 40. North northeast wind around 5 mph becoming west northwest in the afternoon.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22. Northeast wind around 5 mph.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 38. Northeast wind around 5 mph becoming north northwest in the afternoon.

    High: 38 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 46. Wind chill values as low as 29 early. Calm wind becoming west southwest around 5 mph.
Tonight
Mostly cloudy, with a low around 33. Calm wind.
Wednesday
Mostly cloudy, with a high near 45. Calm wind becoming west around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 31. Calm wind.
Thursday
A 20 percent chance of snow. Mostly cloudy, with a high near 40. Northeast wind around 5 mph becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 25. Northeast wind around 5 mph.
Friday
Sunny, with a high near 40. North northeast wind around 5 mph becoming west northwest in the afternoon.
Friday Night
Mostly clear, with a low around 22. Northeast wind around 5 mph.
Saturday
Sunny, with a high near 38. Northeast wind around 5 mph becoming north northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 24. East northeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 41. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 26. Calm wind becoming north around 5 mph.
Monday
Partly sunny, with a high near 42. Calm wind becoming west southwest around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles N Yosemite CA
 37.99°N 119.53°W (Elev. 8593 ft)
5:57 am PST Jan 20, 2026
6am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

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