Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to impact the southeast U.S. coast and mid-Atlantic regions with flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Clear

57°F

14°C

Humidity 44%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 11 Oct 05:15 PM PDT
Extended Forecast for

5 Miles ESE Grass Valley CA

  • Tonight

    Tonight: Clear, with a low around 43. Calm wind.

    Low: 43 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Calm wind becoming west southwest around 5 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 44. Calm wind.

    Low: 44 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Showers likely.  Cloudy, with a high near 53. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 20 mph.  Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 53 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers.  Low around 41. South southeast wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 90%.

    Low: 41 °F

    Showers

  • Tuesday

    Tuesday: Showers.  High near 50. Chance of precipitation is 90%.

    High: 50 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely.  Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers before 11am.  Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 43. Calm wind.
Sunday
Sunny, with a high near 66. Calm wind becoming west southwest around 5 mph.
Sunday Night
Increasing clouds, with a low around 44. Calm wind.
Columbus Day
Showers likely. Cloudy, with a high near 53. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Showers. Low around 41. South southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%.
Tuesday
Showers. High near 50. Chance of precipitation is 90%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Wednesday
A chance of showers before 11am. Mostly cloudy, with a high near 53.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Grass Valley CA
 39.19°N 120.98°W (Elev. 2598 ft)
5:21 pm PDT Oct 11, 2025
5pm PDT Oct 11, 2025-6pm PDT Oct 18, 2025
 
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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