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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Clear

61°F

16°C

Humidity 59%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 17 Aug 11:55 PM PDT
Extended Forecast for

5 Miles NNE Grass Valley CA

  • Overnight

    Overnight: Clear, with a low around 57. Calm wind.

    Low: 57 °F

    Clear

  • Monday

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

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 59. Calm wind.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Tuesday Night

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

    Low: 60 °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

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 57. Calm wind.
Monday
Sunny, with a high near 79. Calm wind becoming south southwest around 5 mph.
Monday Night
Clear, with a low around 59. Calm wind.
Tuesday
Sunny, with a high near 83. Light and variable wind.
Tuesday Night
Clear, with a low around 60. Light and variable wind.
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.
Saturday Night
Clear, with a low around 70.
Sunday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Grass Valley CA
 39.28°N 121°W (Elev. 3117 ft)
Last Update:
10:21 pm PDT Aug 17, 2025
Forecast Valid:
12am PDT Aug 18, 2025-6pm PDT Aug 24, 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