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

Fairfield / Travis Air Force Base (KSUU)

Lat: 38.26667°NLon: 121.95°WElev: 62.0ft.

Clear

88°F

31°C

Humidity 26%
Wind Speed WSW 16 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 22 Aug 05:55 PM PDT
Extended Forecast for

4 Miles NE Vallejo CA

  • Tonight

    Tonight: Partly cloudy, with a low around 56. West southwest wind 10 to 14 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 82. West wind 8 to 10 mph.

    High: 82 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. West southwest wind 11 to 17 mph, with gusts as high as 22 mph.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 77. West southwest wind 14 to 17 mph, with gusts as high as 23 mph.

    High: 77 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. West southwest wind 15 to 18 mph, with gusts as high as 24 mph.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. West southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 82. West wind 8 to 10 mph.
Sunday Night
Partly cloudy, with a low around 56. West southwest wind 11 to 17 mph, with gusts as high as 22 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 77. West southwest wind 14 to 17 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 55. West southwest wind 15 to 18 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Vallejo CA
 38.2°N 122.17°W (Elev. 719 ft)
Last Update:
2:00 pm PDT Aug 22, 2026
Forecast Valid:
6pm PDT Aug 22, 2026-6pm PDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation