Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

GERBER RESERVOIR (GRBO3)

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

NA

25°F

-4°C

Humidity 86%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 29 Dec 02:45 AM PST
Extended Forecast for

Bonanza OR

Air Stagnation Advisory until December 31, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until December 31, 04:00pm

    NOW until 4:00pm Wed

    Air Stagnation Advisory

  • Overnight

    Low: 16 °F

    Freezing Fog

  • Monday

    Monday: Widespread freezing fog before 11am. Mostly sunny, with a high near 43. Calm wind.

    High: 43 °F

    Freezing Fog
    then Sunny

  • Monday Night

    Monday Night: Widespread freezing fog after 10pm. Mostly clear, with a low around 20. Light east wind.

    Low: 20 °F

    Freezing Fog

  • Tuesday

    Tuesday: Widespread freezing fog before 11am. Sunny, with a high near 48. East southeast wind 3 to 6 mph.

    High: 48 °F

    Freezing Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Widespread freezing fog after 10pm. Partly cloudy, with a low around 21. East wind around 6 mph.

    Low: 21 °F

    Freezing Fog

  • Wednesday

    Wednesday: A 10 percent chance of showers after 4pm.  Widespread freezing fog before 10am. Snow level rising to 6000 feet in the afternoon. Mostly cloudy, with a high near 47.

    High: 47 °F

    Freezing Fog
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 10pm.  Snow level 7000 feet. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Showers

  • New Year's Day

    New Year's Day: A chance of rain.  Snow level 7400 feet. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

Detailed Forecast

Overnight
Widespread freezing fog. Mostly clear, with a low around 16. Calm wind.
Monday
Widespread freezing fog before 11am. Mostly sunny, with a high near 43. Calm wind.
Monday Night
Widespread freezing fog after 10pm. Mostly clear, with a low around 20. Light east wind.
Tuesday
Widespread freezing fog before 11am. Sunny, with a high near 48. East southeast wind 3 to 6 mph.
Tuesday Night
Widespread freezing fog after 10pm. Partly cloudy, with a low around 21. East wind around 6 mph.
Wednesday
A 10 percent chance of showers after 4pm. Widespread freezing fog before 10am. Snow level rising to 6000 feet in the afternoon. Mostly cloudy, with a high near 47.
Wednesday Night
A 30 percent chance of showers, mainly after 10pm. Snow level 7000 feet. Mostly cloudy, with a low around 29.
New Year's Day
A chance of rain. Snow level 7400 feet. Mostly cloudy, with a high near 47.
Thursday Night
A chance of rain. Snow level 7300 feet. Mostly cloudy, with a low around 32.
Friday
A chance of rain. Snow level 6800 feet. Mostly cloudy, with a high near 49.
Friday Night
A chance of rain and snow. Snow level 6100 feet lowering to 5300 feet after midnight . Mostly cloudy, with a low around 30.
Saturday
A chance of rain and snow. Snow level 4800 feet. Mostly cloudy, with a high near 46.
Saturday Night
A chance of rain and snow. Snow level 4500 feet. Mostly cloudy, with a low around 29.
Sunday
A chance of rain and snow. Snow level 4500 feet. Mostly cloudy, with a high near 45.
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)
3:41 am PST Dec 29, 2025
3am PST Dec 29, 2025-6pm PST Jan 4, 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