Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Clear

73°F

23°C

Humidity 35%
Wind Speed SE 4 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 28 Aug 10:30 AM PDT
Extended Forecast for

Grass Valley CA

  • Today

    Today: A chance of rain before 11am, then a slight chance of rain after 1pm.  Mostly cloudy, with a high near 81. South wind 5 to 7 mph.  Chance of precipitation is 40%.

    High: 81 °F

    Chance Rain

  • Tonight

    Tonight: Mostly clear, with a low around 60. Light east southeast wind.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56. South southwest wind around 6 mph becoming calm  in the evening.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 83. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Today
A chance of rain before 11am, then a slight chance of rain after 1pm. Mostly cloudy, with a high near 81. South wind 5 to 7 mph. Chance of precipitation is 40%.
Tonight
Mostly clear, with a low around 60. Light east southeast wind.
Saturday
Sunny, with a high near 82. Calm wind becoming south southwest 5 to 7 mph in the morning.
Saturday Night
Clear, with a low around 56. South southwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 83. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 57.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
A slight chance of rain. Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.08°W (Elev. 2598 ft)
2:00 am PDT Aug 28, 2026
10am PDT Aug 28, 2026-6pm PDT Sep 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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