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

68°F

20°C

Humidity 28%
Wind Speed WSW 9 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 20 Jun 05:55 PM PDT
Extended Forecast for

Grass Valley CA

  • 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 76. Light and variable wind becoming west southwest around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. West wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

Detailed Forecast

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 76. Light and variable wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 54. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Clear, with a low around 59.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Clear, with a low around 59.
Thursday
Sunny, with a high near 86.
Thursday Night
Clear, with a low around 60.
Friday
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 pm PDT Jun 20, 2025
6pm PDT Jun 20, 2025-6pm PDT Jun 27, 2025
 
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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