Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Vacaville Nut Tree Airport (KVCB)

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

Clear

79°F

26°C

Humidity 41%
Wind Speed SSW 3 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Aug 07:55 PM PDT
Extended Forecast for

Vacaville CASimilar City Names

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Southwest wind 3 to 7 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 93. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. West southwest wind 3 to 8 mph.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 93. South southwest wind 3 to 7 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. Southwest wind 3 to 7 mph.
Tuesday
Sunny, with a high near 93. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 65. West southwest wind 3 to 8 mph.
Wednesday
Sunny, with a high near 93. South southwest wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 65. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 89.
Saturday Night
Clear, with a low around 64.
Sunday
Sunny, with a high near 90.
Sunday Night
Clear, with a low around 62.
Monday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Vacaville CASimilar City Names
 38.36°N 121.99°W (Elev. 194 ft)
2:00 pm PDT Aug 17, 2026
8pm PDT Aug 17, 2026-6pm PDT Aug 24, 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