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

69°F

21°C

Humidity 54%
Wind Speed SW 16 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 22 Aug 09:55 PM PDT
Extended Forecast for

4 Miles SW Vallejo CA

  • Tonight

    Tonight: Increasing clouds, with a low around 58. Southwest wind 5 to 8 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 69. Southwest wind 5 to 11 mph.

    High: 69 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. South southwest wind around 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 65. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 65 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 58. Southwest wind 5 to 8 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 69. Southwest wind 5 to 11 mph.
Sunday Night
Partly cloudy, with a low around 58. South southwest wind around 10 mph.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 65. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 57. West southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 59.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Vallejo CA
 38.09°N 122.29°W (Elev. 0 ft)
Last Update:
11:31 pm PDT Aug 22, 2026
Forecast Valid:
11pm PDT Aug 22, 2026-6pm PDT Aug 29, 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