National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorm and Flash Flooding Threats in the South

Organized severe thunderstorms capable of producing mainly large hail and perhaps damaging winds are expected across portions of Louisiana this afternoon with a second round further west tonight. Heavy thunderstorms may lead to flash flooding over portions of the northern Gulf Coast today through Saturday. Several inches of excessive rainfall are possible with Flash Flood Watches in effect. Read More >

Current conditions at

Nevada County Air Park (KGOO)

Lat: 39.224028°NLon: 121.003083°WElev: 3154ft.

Clear

61°F

16°C

Humidity 38%
Wind Speed WSW 5 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 13 Apr 01:35 PM PDT
Extended Forecast for

Grass Valley CA

  • This
    Afternoon

    This Afternoon: A 20 percent chance of showers. Sunny, with a high near 63. West southwest wind around 11 mph.

    Slight Chance
    Showers

    High: 63 °F

  • Tonight

    Tonight: A 20 percent chance of showers. Partly cloudy, with a low around 41. West southwest wind 7 to 13 mph becoming east northeast in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Slight Chance
    Showers

    Low: 41 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers after 11am. Sunny, with a high near 61. Northeast wind 5 to 9 mph becoming west in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    Slight Chance
    Showers

    High: 61 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 42. Calm wind becoming east southeast 5 to 8 mph after midnight.

    Mostly Clear

    Low: 42 °F

  • Thursday

    Thursday: Sunny, with a high near 66. East wind 6 to 8 mph becoming southwest in the afternoon.

    Sunny

    High: 66 °F

  • Thursday
    Night

    Thursday Night: Clear, with a low around 43.

    Clear

    Low: 43 °F

  • Friday

    Friday: Sunny, with a high near 72.

    Sunny

    High: 72 °F

  • Friday
    Night

    Friday Night: Clear, with a low around 48.

    Clear

    Low: 48 °F

  • Saturday

    Saturday: Sunny, with a high near 77.

    Sunny

    High: 77 °F

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Sunny, with a high near 63. West southwest wind around 11 mph.
Tonight
A 20 percent chance of showers. Partly cloudy, with a low around 41. West southwest wind 7 to 13 mph becoming east northeast in the evening. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 20 percent chance of showers after 11am. Sunny, with a high near 61. Northeast wind 5 to 9 mph becoming west in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 42. Calm wind becoming east southeast 5 to 8 mph after midnight.
Thursday
Sunny, with a high near 66. East wind 6 to 8 mph becoming southwest in the afternoon.
Thursday Night
Clear, with a low around 43.
Friday
Sunny, with a high near 72.
Friday Night
Clear, with a low around 48.
Saturday
Sunny, with a high near 77.
Saturday Night
Clear, with a low around 50.
Sunday
Sunny, with a high near 80.
Sunday Night
Clear, with a low around 51.
Monday
Sunny, with a high near 79.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Grass Valley CA
 39.23°N 121.05°W (Elev. 2657 ft)
Last Update:
1:41 pm PDT Apr 13, 2021
Forecast Valid:
2pm PDT Apr 13, 2021-6pm PDT Apr 19, 2021
 
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