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

26°F

-3°C

Humidity 79%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 19 Jan 11:45 PM PST
Extended Forecast for

10 Miles NE Bly OR

Air Stagnation Advisory January 20, 12:51am until January 21, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 12:51am until January 21, 04:00pm

    NOW until 4:00pm Wed

    Air Stagnation Advisory

  • Overnight

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. North wind around 5 mph.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. West northwest wind 3 to 5 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 43. West northwest wind around 6 mph.

    High: 43 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. Northwest wind around 7 mph.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 34. East northeast wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 45. North wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 34. West northwest wind 3 to 5 mph.
Wednesday
Mostly cloudy, with a high near 43. West northwest wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 34. Northwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Sunny, with a high near 30.
Friday Night
Mostly clear, with a low around 24.
Saturday
Sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
A slight chance of snow. Partly sunny, with a high near 36.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 39.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NE Bly OR
 42.49°N 120.88°W (Elev. 8196 ft)
12:41 am PST Jan 20, 2026
12am 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