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

HELL HOLE (HLLC1)

Lat: 39.06971°NLon: 120.41989°WElev: 5240.0ft.

NA

47°F

8°C

Humidity 27%
Wind Speed NE 9 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 20 Jan 01:09 AM PST
Extended Forecast for

4 Miles E Donner Summit CA

  • Overnight

    Overnight: Partly cloudy, with a low around 23. Northeast wind around 5 mph becoming calm.

    Low: 23 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 47. Calm wind.

    High: 47 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 23. Northeast wind around 5 mph becoming calm.
Tuesday
Partly sunny, with a high near 48. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 31. Calm wind.
Wednesday
Mostly cloudy, with a high near 47. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 32. Calm wind.
Thursday
Partly sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 44.
Friday Night
Mostly clear, with a low around 22.
Saturday
Sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Donner Summit CA
 39.32°N 120.31°W (Elev. 7064 ft)
1:21 am PST Jan 20, 2026
1am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database