National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

GERBER RESERVOIR (GRBO3)

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

NA

56°F

13°C

Humidity 45%
Wind Speed SSE 9 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 12 Nov 11:45 AM PST
Extended Forecast for

Bonanza OR

Wind Advisory November 13, 01:00am until November 15, 01:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 59. South wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 59 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 4am. Increasing clouds, with a low around 44. Southeast wind 9 to 16 mph, with gusts as high as 24 mph.

    Low: 44 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 55. Breezy, with a south wind 24 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain Likely
    and Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly before 10pm. Snow level 7100 feet lowering to 5900 feet after midnight . Mostly cloudy, with a low around 35. South wind 11 to 16 mph, with gusts as high as 24 mph.

    Low: 35 °F

    Chance Rain

  • Friday

    Friday: A 20 percent chance of rain. Snow level 5600 feet rising to 6600 feet in the afternoon. Partly sunny, with a high near 50. South southwest wind around 9 mph.

    High: 50 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 4pm. Snow level 6800 feet. Partly sunny, with a high near 50.

    High: 50 °F

    Rain Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 59. South wind 10 to 15 mph, with gusts as high as 23 mph.
Tonight
A 30 percent chance of rain, mainly after 4am. Increasing clouds, with a low around 44. Southeast wind 9 to 16 mph, with gusts as high as 24 mph.
Thursday
Rain likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 55. Breezy, with a south wind 24 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 40 percent chance of rain, mainly before 10pm. Snow level 7100 feet lowering to 5900 feet after midnight . Mostly cloudy, with a low around 35. South wind 11 to 16 mph, with gusts as high as 24 mph.
Friday
A 20 percent chance of rain. Snow level 5600 feet rising to 6600 feet in the afternoon. Partly sunny, with a high near 50. South southwest wind around 9 mph.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Rain likely, mainly after 4pm. Snow level 6800 feet. Partly sunny, with a high near 50.
Sunday Night
Rain likely before 1am, then a chance of rain and snow. Snow level 5800 feet lowering to 4900 feet after midnight . Mostly cloudy, with a low around 27.
Monday
A chance of rain and snow. Snow level 4300 feet. Partly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 44.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bonanza OR
 42.2°N 121.4°W (Elev. 4199 ft)
Last Update:
10:11 am PST Nov 12, 2025
Forecast Valid:
12pm PST Nov 12, 2025-6pm PST Nov 18, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation