Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Clear

77°F

25°C

Humidity 20%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 26 Aug 10:15 PM PDT
Extended Forecast for

Grass Valley CA

  • Tonight

    Tonight: Clear, with a low around 65. Calm wind.

    Low: 65 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 92 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 4am.  Mostly cloudy, with a low around 67. Light and variable wind.

    Low: 67 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: A 40 percent chance of rain.  Mostly cloudy, with a high near 83. Calm wind becoming east southeast around 6 mph in the morning.  New precipitation amounts of less than a tenth of an inch possible.

    High: 83 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. South wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 65. Calm wind.
Thursday
Increasing clouds, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 67. Light and variable wind.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 83. Calm wind becoming east southeast around 6 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly clear, with a low around 61. South wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 85.
Saturday Night
Clear, with a low around 56.
Sunday
Sunny, with a high near 84.
Sunday Night
Clear, with a low around 56.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.05°W (Elev. 2657 ft)
2:00 pm PDT Aug 26, 2026
10pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
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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