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

Tracking Atmospheric River for California; Record Temperatures Further East

An atmospheric river will bring gusty to high winds, moderate to heavy rainfall, and potential flooding to California today through Saturday. Heavy snow will be possible over the Sierra Nevada mountains into Friday associated with this atmospheric river. East of these impacts dozens of record high maximum and high minimum temperatures may be broken or tied today and Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Nevada County Air Park (KGOO)

Lat: 39.224028°NLon: 121.003083°WElev: 3154.0ft.

Fog

54°F

12°C

Humidity 93%
Wind Speed SSW 6 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 52°F (11°C)
Visibility 0.25 mi
Last update 13 Nov 02:55 PM PST
Extended Forecast for

2 Miles SW Alta Sierra CA

Flood Advisory until November 13, 07:00pm
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory until November 13, 07:00pm

    NOW until 7:00pm Thu

    Flood Advisory

  • This Afternoon

    High: 60 °F

    Heavy Rain

  • Tonight

    Tonight: Showers, mainly before midnight. The rain could be heavy at times. Low around 46. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.

    Low: 46 °F

    Heavy Rain
    then Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly between 10am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 57. Calm wind becoming south around 5 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. East northeast wind around 5 mph becoming calm.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely. Cloudy, with a high near 52. Chance of precipitation is 60%.

    High: 52 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers. Cloudy, with a low around 45.

    Low: 45 °F

    Showers

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 60. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers, mainly before midnight. The rain could be heavy at times. Low around 46. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 inches possible.
Friday
A 30 percent chance of showers, mainly between 10am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 57. Calm wind becoming south around 5 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Partly cloudy, with a low around 45. Calm wind.
Saturday
Mostly sunny, with a high near 64. East northeast wind around 5 mph becoming calm.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Sunday
Showers likely. Cloudy, with a high near 52. Chance of precipitation is 60%.
Sunday Night
Showers. Cloudy, with a low around 45.
Monday
Showers likely, mainly before 4pm. Mostly cloudy, with a high near 51.
Monday Night
A chance of showers, mainly before 10pm. Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 53.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 41.
Thursday
A chance of showers. Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Alta Sierra CA
 39.11°N 121.08°W (Elev. 1791 ft)
Last Update:
1:21 pm PST Nov 13, 2025
Forecast Valid:
3pm PST Nov 13, 2025-6pm PST Nov 20, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation