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 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 23 Aug 05:00 AM PDT
Extended Forecast for

6 Miles W Vacaville CA

  • Today

    Today: Mostly sunny, with a high near 90. North wind 5 to 8 mph becoming south in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. West wind 10 to 13 mph.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. West wind around 11 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 64. West southwest wind 9 to 16 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Southwest wind 5 to 9 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 90. North wind 5 to 8 mph becoming south in the afternoon.
Tonight
Partly cloudy, with a low around 68. West wind 10 to 13 mph.
Monday
Mostly sunny, with a high near 84. West wind around 11 mph.
Monday Night
Increasing clouds, with a low around 64. West southwest wind 9 to 16 mph.
Tuesday
Mostly sunny, with a high near 85. Southwest wind 5 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Vacaville CA
 38.37°N 122.07°W (Elev. 1598 ft)
1:46 am PDT Aug 23, 2026
5am PDT Aug 23, 2026-6pm PDT Aug 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database