Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

55°F

13°C

Humidity 93%
Wind Speed S 5 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 31 Mar 03:30 AM PDT
Extended Forecast for

7 Miles WSW Napa Co. Airport CA

  • Overnight

    Overnight: A 20 percent chance of rain after 4am.  Mostly cloudy, with a low around 52. West southwest wind around 6 mph.

    Low: 52 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 65. South southwest wind 6 to 10 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain between 11pm and 1am.  Mostly cloudy, with a low around 50. Southwest wind 5 to 9 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 11am.  Mostly cloudy, with a high near 62. South southwest wind 5 to 15 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain.  Low around 45. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 52. West southwest wind around 6 mph.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 65. South southwest wind 6 to 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 20 percent chance of rain between 11pm and 1am. Mostly cloudy, with a low around 50. Southwest wind 5 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 62. South southwest wind 5 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain. Low around 45. West southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Sunny, with a high near 65.
Thursday Night
Clear, with a low around 46.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Napa Co. Airport CA
 38.17°N 122.37°W (Elev. 3 ft)
1:26 am PDT Mar 31, 2026
3am PDT Mar 31, 2026-6pm PDT Apr 6, 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