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

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

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Clear

73°F

23°C

Humidity 57%
Wind Speed S 10 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 22 Aug 12:54 PM PDT
Extended Forecast for

6 Miles ENE Yountville CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. South southwest wind 6 to 8 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. West southwest wind 5 to 9 mph becoming north after midnight.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 85. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63. West southwest wind 5 to 7 mph.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80. Southwest wind 3 to 8 mph.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 82. South southwest wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 65. West southwest wind 5 to 9 mph becoming north after midnight.
Sunday
Mostly sunny, with a high near 85. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 63. West southwest wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 80. Southwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 62.
Friday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Yountville CA
 38.45°N 122.27°W (Elev. 1998 ft)
Last Update:
12:06 pm PDT Aug 22, 2026
Forecast Valid:
1pm PDT Aug 22, 2026-6pm PDT Aug 28, 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