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

55°F

13°C

Humidity 82%
Wind Speed SE 4 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 18 Apr 11:35 PM PDT
Extended Forecast for

8 Miles WNW Vacaville CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. West southwest wind 3 to 5 mph.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. West wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of rain.  Partly sunny, with a high near 60. West southwest wind 6 to 10 mph becoming south in the morning. Winds could gust as high as 20 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain.  Low around 52. South wind 6 to 10 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 52 °F

    Rain

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am.  High near 55. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 55 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm.  Mostly cloudy, with a low around 48. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely then
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain before 11am, then a chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. West southwest wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 64. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 47. West wind 6 to 10 mph, with gusts as high as 21 mph.
Monday
A 50 percent chance of rain. Partly sunny, with a high near 60. West southwest wind 6 to 10 mph becoming south in the morning. Winds could gust as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 52. South wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 55. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Wednesday
A chance of rain before 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 65.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Vacaville CA
 38.39°N 122.11°W (Elev. 1365 ft)
11:21 pm PDT Apr 18, 2026
11pm PDT Apr 18, 2026-6pm PDT Apr 25, 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