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

42°F

6°C

Humidity 43%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 19 Jan 04:00 PM PST
Extended Forecast for

9 Miles SSW Tioga Pass CA

  • Tonight

    Tonight: Mostly clear, with a low around 22. Wind chill values as low as 15. North northwest wind 5 to 10 mph becoming west in the evening. Winds could gust as high as 15 mph.

    Low: 22 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 34. Wind chill values as low as 15. West wind around 5 mph.

    High: 34 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. West wind around 5 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35. Wind chill values as low as 20. West wind around 5 mph.

    High: 35 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. West wind around 5 mph.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 10am.  Mostly cloudy and cold, with a high near 29. West northwest wind around 5 mph.

    High: 29 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. West northwest wind around 5 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near 27. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 27 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around 14. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 22. Wind chill values as low as 15. North northwest wind 5 to 10 mph becoming west in the evening. Winds could gust as high as 15 mph.
Tuesday
Increasing clouds, with a high near 34. Wind chill values as low as 15. West wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 26. West wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 35. Wind chill values as low as 20. West wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 24. West wind around 5 mph.
Thursday
A 20 percent chance of snow after 10am. Mostly cloudy and cold, with a high near 29. West northwest wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 18. West northwest wind around 5 mph.
Friday
Sunny and cold, with a high near 27. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Partly cloudy, with a low around 14. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny and cold, with a high near 27. North wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 18. North northwest wind around 5 mph.
Sunday
Mostly sunny and cold, with a high near 30. West wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 20. West northwest wind around 5 mph.
Monday
Mostly sunny, with a high near 33. West wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSW Tioga Pass CA
 37.79°N 119.32°W (Elev. 10797 ft)
3:56 pm PST Jan 19, 2026
4pm PST Jan 19, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database