Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

GERBER RESERVOIR (GRBO3)

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

NA

31°F

-1°C

Humidity 82%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 21 Jan 08:45 PM PST
Extended Forecast for

Bonanza OR

Air Stagnation Advisory January 21, 09:45pm until January 23, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 21, 09:45pm until January 23, 04:00pm

    NOW until 4:00pm Fri

    Air Stagnation Advisory

  • Tonight

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 49. Light and variable wind.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. North northwest wind 3 to 5 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 44. Light north wind becoming north northeast 5 to 9 mph in the morning.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 14. North northeast wind 5 to 8 mph.

    Low: 14 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 14.

    Low: 14 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 24. Light east southeast wind.
Thursday
Sunny, with a high near 49. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 23. North northwest wind 3 to 5 mph.
Friday
Sunny, with a high near 44. Light north wind becoming north northeast 5 to 9 mph in the morning.
Friday Night
Clear, with a low around 14. North northeast wind 5 to 8 mph.
Saturday
Sunny, with a high near 46.
Saturday Night
Clear, with a low around 14.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
A slight chance of showers. Snow level 4600 feet rising to 5600 feet in the afternoon. Partly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Bonanza OR
 42.2°N 121.4°W (Elev. 4199 ft)
9:41 pm PST Jan 21, 2026
9pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database