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

75°F

24°C

Humidity 47%
Wind Speed NA 3 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Aug 06:15 PM PDT
Extended Forecast for

4 Miles NE Grass Valley CA

  • Tonight

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

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 80. Calm wind becoming south around 6 mph in the morning.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 56. South southwest wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 81. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    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

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 59. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 80. Calm wind becoming south around 6 mph in the morning.
Sunday Night
Clear, with a low around 56. South southwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 81. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Clear, with a low around 57. Light and variable wind.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Clear, with a low around 59.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Clear, with a low around 64.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 69.
Saturday
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 121.02°W (Elev. 2589 ft)
Last Update:
5:21 pm PDT Aug 16, 2025
Forecast Valid:
6pm PDT Aug 16, 2025-6pm PDT Aug 23, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation