Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Nevada County Air Park (KGOO)

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

Clear

88°F

31°C

Humidity 14%
Wind Speed SW 4 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 21 Aug 11:50 AM PDT
Extended Forecast for

Grass Valley CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 87. Southwest wind around 5 mph.

    High: 87 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. Light and variable wind.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. Light and variable wind.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 87. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 63. Light and variable wind.
Saturday
Sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 62. Light and variable wind.
Sunday
Sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Grass Valley CA
 39.23°N 121.08°W (Elev. 2598 ft)
11:31 am PDT Aug 21, 2026
12pm PDT Aug 21, 2026-6pm PDT Aug 27, 2026
 
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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