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.

Clear

63°F

17°C

Humidity 72%
Wind Speed S 9 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 30 Mar 08:00 PM PDT
Extended Forecast for

4 Miles NNW Napa CA

  • Tonight

    Tonight: A 10 percent chance of rain after 5am.  Mostly cloudy, with a low around 50. Light south wind.

    Low: 50 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A chance of rain before 1pm, then a chance of rain after 2pm.  Cloudy, then gradually becoming mostly sunny, with a high near 68. Calm wind becoming southwest 5 to 8 mph in the afternoon.  Chance of precipitation is 40%.

    High: 68 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 11pm.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 47. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 47 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Areas of fog before 11am.  Otherwise, mostly cloudy, with a high near 63. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance Rain
    and Areas Fog

  • Wednesday Night

    Wednesday Night: Rain likely.  Mostly cloudy, with a low around 42. Southwest wind 5 to 10 mph becoming light west  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain Likely

  • Thursday

    Thursday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
A 10 percent chance of rain after 5am. Mostly cloudy, with a low around 50. Light south wind.
Tuesday
A chance of rain before 1pm, then a chance of rain after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 68. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
A 30 percent chance of rain, mainly before 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 47. Southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
A 50 percent chance of rain. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 63. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 42. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Sunny, with a high near 67.
Thursday Night
Clear, with a low around 44.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Napa CA
 38.35°N 122.33°W (Elev. 105 ft)
1:25 pm PDT Mar 30, 2026
8pm PDT Mar 30, 2026-6pm PDT Apr 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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