Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. 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 33%
Wind Speed WSW 5 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 Apr 02:00 PM PDT
Extended Forecast for

8 Miles WNW Vacaville CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 69. South southwest wind around 6 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. West wind 3 to 5 mph.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 66. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. West southwest wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers.  Partly sunny, with a high near 59. Southwest wind 6 to 10 mph becoming south southeast in the morning. Winds could gust as high as 20 mph.  New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers.  Low around 51. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am.  High near 55. Chance of precipitation is 90%.

    High: 55 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers.  Partly sunny, with a high near 58.

    High: 58 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 69. South southwest wind around 6 mph.
Tonight
Mostly cloudy, with a low around 53. West wind 3 to 5 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 66. Southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 48. West southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 59. Southwest wind 6 to 10 mph becoming south southeast in the morning. Winds could gust as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers. Low around 51. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Showers, with thunderstorms also possible after 11am. High near 55. Chance of precipitation is 90%.
Tuesday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 48.
Wednesday
A chance of showers. Partly sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Vacaville CA
 38.39°N 122.11°W (Elev. 1365 ft)
1:26 pm PDT Apr 18, 2026
2pm PDT Apr 18, 2026-6pm PDT Apr 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