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.

Partly Cloudy

66°F

19°C

Humidity 68%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Aug 12:15 AM PDT
Extended Forecast for

2 Miles ENE Grass Valley CA

  • Overnight

    Overnight: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly 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 57. South wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 79. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 59. Light and variable wind.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 60. Calm 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 57. South wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 79. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Clear, with a low around 59. Light and variable wind.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Clear, with a low around 61.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Clear, with a low around 65.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 94.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Grass Valley CA
 39.23°N 121.02°W (Elev. 2999 ft)
Last Update:
12:21 am PDT Aug 17, 2025
Forecast Valid:
12am PDT Aug 17, 2025-6pm PDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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