Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Clear

90°F

32°C

Humidity 11%
Wind Speed N 5 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 27 Aug 01:15 PM PDT
Extended Forecast for

4 Miles NE Grass Valley CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 92. Southwest wind around 5 mph.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of rain before 11pm.  Increasing clouds, with a low around 68. South southeast wind around 5 mph becoming calm  in the evening.

    Low: 68 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of rain, mainly before noon.  Mostly cloudy, with a high near 82. Calm wind becoming southeast around 5 mph.

    High: 82 °F

    Chance Rain
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 61. Light and variable wind.

    Low: 61 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Sunny, with a high near 84. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 92. Southwest wind around 5 mph.
Tonight
A 20 percent chance of rain before 11pm. Increasing clouds, with a low around 68. South southeast wind around 5 mph becoming calm in the evening.
Friday
A 50 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 82. Calm wind becoming southeast around 5 mph.
Friday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 61. Light and variable wind.
Saturday
Sunny, with a high near 84. Calm wind becoming south southwest around 6 mph in the afternoon.
Saturday Night
Clear, with a low around 58.
Sunday
Sunny, with a high near 84.
Sunday Night
Clear, with a low around 58.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 54.
Tuesday
A slight chance of rain. Sunny, with a high near 77.
Tuesday Night
A slight chance of rain. Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Grass Valley CA
 39.26°N 121.02°W (Elev. 2589 ft)
11:31 am PDT Aug 27, 2026
1pm PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database