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

GERBER RESERVOIR (GRBO3)

Lat: 42.20597°NLon: 121.13806°WElev: 4950.0ft.

NA

37°F

3°C

Humidity 65%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 18 Jan 07:45 PM PST
Extended Forecast for

3 Miles ESE Bonanza OR

Air Stagnation Advisory January 18, 08:32pm until January 21, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 08:32pm until January 21, 04:00pm

    NOW until 4:00pm Wed

    Air Stagnation Advisory

  • Tonight

    Low: 23 °F

    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 53. Calm wind.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 20. East wind around 6 mph.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50. Light southeast wind.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Tonight
Clear, with a low around 23. Light northeast wind.
M.L.King Day
Sunny, with a high near 53. Calm wind.
Monday Night
Mostly clear, with a low around 20. East wind around 6 mph.
Tuesday
Sunny, with a high near 50. Light southeast wind.
Tuesday Night
Partly cloudy, with a low around 19. Calm wind.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 28.
Friday
Mostly sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
A slight chance of rain and snow. Snow level rising to 4900 feet in the afternoon. Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Bonanza OR
 42.18°N 121.34°W (Elev. 4199 ft)
6:46 pm PST Jan 18, 2026
8pm PST Jan 18, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database