Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Clear

73°F

23°C

Humidity 64%
Wind Speed SSW 11 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Aug 02:15 PM PDT
Extended Forecast for

7 Miles WNW Vacaville CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. Southwest wind around 8 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. West southwest wind around 5 mph becoming calm  after midnight.

    Low: 63 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Southwest wind around 8 mph.
Tonight
Increasing clouds, with a low around 63. West southwest wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 86. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 68. West southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Mostly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WNW Vacaville CA
 38.39°N 122.11°W (Elev. 1365 ft)
1:26 pm PDT Aug 17, 2026
2pm PDT Aug 17, 2026-6pm PDT Aug 23, 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