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

56°F

13°C

Humidity 22%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 19 Jan 01:45 PM PST
Extended Forecast for

3 Miles ESE Bonanza OR

Air Stagnation Advisory January 19, 02:38pm until January 21, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 02:38pm until January 21, 04:00pm

    NOW until 4:00pm Wed

    Air Stagnation Advisory

  • M.L.King Day

    High: 54 °F

    Sunny

  • Tonight

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

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. East wind around 5 mph becoming calm  in the morning.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19. Light east wind.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

M.L.King Day
Sunny, with a high near 54. Calm wind.
Tonight
Mostly clear, with a low around 20. East wind around 6 mph.
Tuesday
Mostly sunny, with a high near 50. East wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly cloudy, with a low around 19. Light east wind.
Wednesday
Partly sunny, with a high near 49. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 48.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Bonanza OR
 42.18°N 121.34°W (Elev. 4199 ft)
2:21 pm PST Jan 19, 2026
2pm PST Jan 19, 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