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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Clear

81°F

27°C

Humidity 34%
Wind Speed S 5 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 16 Aug 01:15 PM PDT
Extended Forecast for

4 Miles NE Grass Valley CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. South wind around 6 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 60. Light and variable wind.

    Low: 60 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 78. Calm wind becoming south around 6 mph in the morning.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 59. South southwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 81. South wind around 6 mph.
Tonight
Clear, with a low around 60. Light and variable wind.
Sunday
Sunny, with a high near 78. Calm wind becoming south around 6 mph in the morning.
Sunday Night
Clear, with a low around 59. South southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Clear, with a low around 62.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Grass Valley CA
 39.26°N 121°W (Elev. 2772 ft)
Last Update:
1:21 pm PDT Aug 16, 2025
Forecast Valid:
1pm PDT Aug 16, 2025-6pm PDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation