Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Clear

86°F

30°C

Humidity 25%
Wind Speed W 6 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Jun 01:35 PM PDT
Extended Forecast for

Grass Valley CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 92. West wind around 6 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 62. Light and variable wind.

    Low: 62 °F

    Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 84. Calm wind becoming south southwest 5 to 8 mph in the morning.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49. South southwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 92. West wind around 6 mph.
Tonight
Clear, with a low around 62. Light and variable wind.
Juneteenth
Sunny, with a high near 84. Calm wind becoming south southwest 5 to 8 mph in the morning.
Thursday Night
Clear, with a low around 49. South southwest wind 5 to 8 mph becoming calm after midnight.
Friday
Sunny, with a high near 72. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Friday Night
Clear, with a low around 44.
Saturday
Sunny, with a high near 70.
Saturday Night
Clear, with a low around 49.
Sunday
Sunny, with a high near 77.
Sunday Night
Clear, with a low around 54.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.08°W (Elev. 2598 ft)
12:01 pm PDT Jun 18, 2025
2pm PDT Jun 18, 2025-6pm PDT Jun 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database