Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Fairfield / Travis Air Force Base (KSUU)

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

Clear

93°F

34°C

Humidity 23%
Wind Speed WSW 13 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 19 Aug 03:55 PM PDT
Extended Forecast for

Vallejo CA

  • Tonight

    Tonight: Increasing clouds, with a low around 58. Southwest wind around 9 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 76. Southwest wind 8 to 10 mph.

    High: 76 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58. West southwest wind around 9 mph.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 75. Southwest wind 8 to 11 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. West southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 58. Southwest wind around 9 mph.
Thursday
Partly sunny, with a high near 76. Southwest wind 8 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 58. West southwest wind around 9 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 75. Southwest wind 8 to 11 mph.
Friday Night
Mostly clear, with a low around 57. West southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Partly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Vallejo CA
 38.14°N 122.25°W (Elev. 75 ft)
2:00 pm PDT Aug 19, 2026
4pm PDT Aug 19, 2026-6pm PDT Aug 26, 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