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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Overcast

73°F

23°C

Humidity 60%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Jun 03:15 AM PDT
Extended Forecast for

3 Miles NE Grass Valley CA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: A 10 percent chance of rain after 5am. Mostly clear, with a low around 59. South southwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear
    then Slight
    Chance Rain

  • Juneteenth

    Juneteenth: Sunny, with a high near 78. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 64. Calm wind.
Thursday
Sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
A 10 percent chance of rain after 5am. Mostly clear, with a low around 59. South southwest wind around 5 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 78. Calm wind becoming west southwest around 5 mph in the afternoon.
Friday Night
Clear, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 79.
Saturday Night
Clear, with a low around 56.
Sunday
Sunny, with a high near 84.
Sunday Night
Clear, with a low around 60.
Monday
Sunny, with a high near 88.
Monday Night
Clear, with a low around 62.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 63.
Wednesday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Grass Valley CA
 39.26°N 121.02°W (Elev. 2589 ft)
Last Update:
2:00 am PDT Jun 18, 2026
Forecast Valid:
3am PDT Jun 18, 2026-6pm PDT Jun 24, 2026
 
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