National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Overcast

75°F

24°C

Humidity 31%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 24 Aug 03:55 AM PDT
Extended Forecast for

3 Miles SW Grass Valley CA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 90. Light and variable wind becoming south southwest around 6 mph in the morning.

    High: 90 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 64. South wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 90. Light and variable wind becoming south southwest around 6 mph in the morning.
Tonight
Increasing clouds, with a low around 64. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Grass Valley CA
 39.2°N 121.1°W (Elev. 2274 ft)
Last Update:
2:00 am PDT Aug 24, 2026
Forecast Valid:
4am PDT Aug 24, 2026-6pm PDT Aug 30, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation