Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

Vacaville Nut Tree Airport (KVCB)

Lat: 38.37755°NLon: 121.95853°WElev: 105.0ft.

Clear

73°F

23°C

Humidity 49%
Wind Speed SW 8 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 28 Jul 10:55 PM PDT
Extended Forecast for

Vacaville CA

  • Tonight

    Tonight: Clear, with a low around 63. Southwest wind 3 to 7 mph.

    Low: 63 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Light southwest wind increasing to 5 to 9 mph in the afternoon.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 63. Southwest wind 6 to 11 mph becoming light west southwest  after midnight. Winds could gust as high as 21 mph.

    Low: 63 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 66.

    Low: 66 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 69.

    Low: 69 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 63. Southwest wind 3 to 7 mph.
Wednesday
Sunny, with a high near 95. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 63. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 95. Light southwest wind increasing to 5 to 9 mph in the afternoon.
Thursday Night
Clear, with a low around 63. Southwest wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 21 mph.
Friday
Sunny and hot, with a high near 101.
Friday Night
Clear, with a low around 66.
Saturday
Sunny and hot, with a high near 101.
Saturday Night
Clear, with a low around 69.
Sunday
Sunny and hot, with a high near 99.
Sunday Night
Clear, with a low around 68.
Monday
Sunny and hot, with a high near 98.
Monday Night
Clear, with a low around 65.
Tuesday
Sunny and hot, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
Vacaville CA
 38.36°N 121.99°W (Elev. 194 ft)
2:01 pm PDT Jul 28, 2026
11pm PDT Jul 28, 2026-6pm PDT Aug 4, 2026
 
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Additional Resources

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