Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Clear

59°F

15°C

Humidity 41%
Wind Speed N 0 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 07 Dec 10:15 AM PST
Extended Forecast for

4 Miles SE Grass Valley CA

  • Today

    Today: Mostly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61. Calm wind.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. Calm wind.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 59. Calm wind.
Tonight
Mostly clear, with a low around 42. Calm wind.
Monday
Sunny, with a high near 61. Calm wind.
Monday Night
Mostly clear, with a low around 44. Calm wind.
Tuesday
Sunny, with a high near 63. Calm wind.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Grass Valley CA
 39.19°N 121.01°W (Elev. 2477 ft)
1:20 am PST Dec 7, 2025
10am PST Dec 7, 2025-6pm PST Dec 13, 2025
 
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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