Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

Current conditions at

GERBER RESERVOIR (GRBO3)

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

NA

41°F

5°C

Humidity 86%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 09 Nov 08:45 PM PST
Extended Forecast for

Bonanza OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. East wind 3 to 5 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. Light east southeast wind.

    Low: 31 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Increasing clouds, with a high near 62. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 62 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Southeast wind 5 to 9 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after 4pm.  Mostly cloudy, with a high near 58. Breezy.

    High: 58 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain, mainly after 10pm.  Low around 34. Breezy.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Rain.  Snow level 6900 feet lowering to 5800 feet in the afternoon . Cloudy, with a high near 44. Breezy.

    High: 44 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain and snow before 4am, then a chance of snow.  Snow level 5000 feet lowering to 4400 feet after midnight . Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. East wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 64. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 31. Light east southeast wind.
Veterans Day
Increasing clouds, with a high near 62. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 38. Southeast wind 5 to 9 mph.
Wednesday
A 30 percent chance of rain after 4pm. Mostly cloudy, with a high near 58. Breezy.
Wednesday Night
Rain, mainly after 10pm. Low around 34. Breezy. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. Snow level 6900 feet lowering to 5800 feet in the afternoon . Cloudy, with a high near 44. Breezy.
Thursday Night
A chance of rain and snow before 4am, then a chance of snow. Snow level 5000 feet lowering to 4400 feet after midnight . Mostly cloudy, with a low around 25.
Friday
A chance of snow before 10am, then a chance of rain and snow between 10am and 4pm, then a chance of rain after 4pm. Snow level rising to 4800 feet in the afternoon. Mostly cloudy, with a high near 40.
Friday Night
A chance of rain and snow. Snow level 5000 feet. Mostly cloudy, with a low around 26.
Saturday
A chance of rain and snow. Snow level 5500 feet rising to 6400 feet in the afternoon. Mostly cloudy, with a high near 43.
Saturday Night
A chance of rain and snow. Snow level 6700 feet lowering to 6200 feet after midnight . Mostly cloudy, with a low around 27.
Sunday
Rain and snow likely. Snow level 5500 feet. Mostly cloudy, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Bonanza OR
 42.2°N 121.4°W (Elev. 4199 ft)
9:41 pm PST Nov 9, 2025
9pm PST Nov 9, 2025-6pm PST Nov 16, 2025
 
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Additional Resources

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