Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Overcast

43°F

6°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 20 Nov 09:55 AM PST
Extended Forecast for

Grass Valley CA

  • Today

    Today: A 50 percent chance of showers, mainly before 3pm.  Mostly cloudy, with a high near 46. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 37. Calm wind becoming northeast around 5 mph after midnight.

    Low: 37 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 59. Northeast wind around 6 mph becoming light and variable  in the afternoon.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 39. East northeast wind around 6 mph.

    Low: 39 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 57. East northeast wind around 5 mph becoming calm  in the morning.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of showers, mainly before 3pm. Mostly cloudy, with a high near 46. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 37. Calm wind becoming northeast around 5 mph after midnight.
Friday
Sunny, with a high near 59. Northeast wind around 6 mph becoming light and variable in the afternoon.
Friday Night
Clear, with a low around 39. East northeast wind around 6 mph.
Saturday
Sunny, with a high near 57. East northeast wind around 5 mph becoming calm in the morning.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.08°W (Elev. 2598 ft)
1:20 am PST Nov 20, 2025
10am PST Nov 20, 2025-6pm PST Nov 26, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database