Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Clear

61°F

16°C

Humidity 44%
Wind Speed S 6 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 20 Jun 09:35 AM PDT
Extended Forecast for

Grass Valley CA

  • Today

    Today: Sunny, with a high near 72. Southwest wind around 7 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 43. West southwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 43 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 70. Light and variable wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 18 mph.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 49. West northwest wind 5 to 8 mph becoming light and variable.

    Low: 49 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Northeast wind around 6 mph becoming light and variable.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 72. Southwest wind around 7 mph.
Tonight
Clear, with a low around 43. West southwest wind 5 to 8 mph becoming calm after midnight.
Saturday
Sunny, with a high near 70. Light and variable wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Clear, with a low around 49. West northwest wind 5 to 8 mph becoming light and variable.
Sunday
Sunny, with a high near 77. Northeast wind around 6 mph becoming light and variable.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Clear, with a low around 59.
Thursday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.08°W (Elev. 2598 ft)
5:21 am PDT Jun 20, 2025
10am PDT Jun 20, 2025-6pm PDT Jun 26, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database