Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Clear

68°F

20°C

Humidity 45%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 24 Jun 01:15 AM PDT
Extended Forecast for

Grass Valley CA

  • Overnight

    Overnight: Clear, with a low around 61. Calm wind.

    Low: 61 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59. South southwest wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. South southwest wind around 6 mph becoming calm  in the evening.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Friday Night

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

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 61. Calm wind.
Wednesday
Sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 59. South southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 59. South southwest wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 75.
Sunday Night
Clear, with a low around 54.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.08°W (Elev. 2598 ft)
11:31 pm PDT Jun 23, 2026
1am PDT Jun 24, 2026-6pm PDT Jun 30, 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