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

54°F

12°C

Humidity 93%
Wind Speed N 5 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 23 Aug 06:20 AM PDT
Extended Forecast for

8 Miles WNW Vacaville CA

  • Today

    Today: Mostly sunny, with a steady temperature around 81. North wind 5 to 8 mph becoming light and variable.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 71. West wind 5 to 8 mph.

    Low: 71 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. West southwest wind 5 to 10 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 67. West southwest wind 8 to 13 mph becoming light  in the evening.

    Low: 67 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Southwest wind 3 to 6 mph.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a steady temperature around 81. North wind 5 to 8 mph becoming light and variable.
Tonight
Partly cloudy, with a low around 71. West wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 79. West southwest wind 5 to 10 mph.
Monday Night
Increasing clouds, with a low around 67. West southwest wind 8 to 13 mph becoming light in the evening.
Tuesday
Mostly sunny, with a high near 80. Southwest wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 68.
Saturday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Vacaville CA
 38.41°N 122.11°W (Elev. 2598 ft)
1:46 am PDT Aug 23, 2026
6am PDT Aug 23, 2026-6pm PDT Aug 29, 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