Rain Showers and Gusty Winds Coming to the Mid-Atlantic; Remaining Unseasonably Warm in the Central U.S.

Low pressure will track slowly northwestward into the Mid-Atlantic region through midweek bringing a risk for excessive rainfall, gusty winds, shallow coastal flooding, rip currents, and large surf. Unseasonably warm to hot temperatures persist in the mid to upper Mississippi Valley and into the Great Lakes and Northeast U.S. through Thursday. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Clear

63°F

17°C

Humidity 42%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 15 Sep 06:15 AM PDT
Extended Forecast for

Grass Valley CA

  • Today

    Today: Sunny, with a high near 85. East wind around 6 mph becoming calm  in the afternoon.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 61. Calm wind becoming east around 6 mph in the evening.

    Low: 61 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. East wind around 6 mph becoming calm.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 62. Calm wind becoming east northeast around 6 mph after midnight.

    Low: 62 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. East northeast wind around 6 mph becoming calm.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers.  Mostly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly before 11am.  Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 85. East wind around 6 mph becoming calm in the afternoon.
Tonight
Clear, with a low around 61. Calm wind becoming east around 6 mph in the evening.
Tuesday
Sunny, with a high near 88. East wind around 6 mph becoming calm.
Tuesday Night
Clear, with a low around 62. Calm wind becoming east northeast around 6 mph after midnight.
Wednesday
Sunny, with a high near 90. East northeast wind around 6 mph becoming calm.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Partly sunny, with a high near 84.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 63.
Friday
A chance of showers, mainly before 11am. Partly sunny, with a high near 80.
Friday Night
A chance of showers, mainly before 11pm. Partly cloudy, with a low around 61.
Saturday
A chance of showers. Mostly sunny, with a high near 79.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 59.
Sunday
Sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.08°W (Elev. 2598 ft)
5:21 am PDT Sep 15, 2025
6am PDT Sep 15, 2025-6pm PDT Sep 21, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database