Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

54°F

12°C

Humidity 81%
Wind Speed SW 5 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 26 May 09:00 PM PDT
Extended Forecast for

Napa Co. Airport CA

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 47. West wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 18 mph.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A slight chance of rain between 2pm and 3pm.  Areas of fog before 7am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming south southwest 5 to 8 mph in the morning.  Chance of precipitation is 20%.

    High: 70 °F

    Areas Fog
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 4am.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 49. Southwest wind around 6 mph becoming calm  in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Partly Cloudy
    then Slight
    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: A 30 percent chance of rain before 11am.  Patchy fog before 8am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming southwest 5 to 8 mph in the afternoon.  New precipitation amounts between a tenth and quarter of an inch possible.

    High: 71 °F

    Chance Rain
    and Patchy
    Fog then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. West southwest wind 5 to 9 mph becoming light  after midnight.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 75.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am.  Otherwise, clear, with a low around 49.

    Low: 49 °F

    Clear then
    Patchy Fog

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 47. West wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Wednesday
A slight chance of rain between 2pm and 3pm. Areas of fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming south southwest 5 to 8 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of rain after 4am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 49. Southwest wind around 6 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of rain before 11am. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming southwest 5 to 8 mph in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Partly cloudy, with a low around 50. West southwest wind 5 to 9 mph becoming light after midnight.
Friday
Mostly sunny, with a high near 70.
Friday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 50.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75.
Saturday Night
Patchy fog after 5am. Otherwise, clear, with a low around 49.
Sunday
Sunny, with a high near 80.
Sunday Night
Clear, with a low around 51.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.22°N 122.3°W (Elev. 3 ft)
8:36 pm PDT May 26, 2026
9pm PDT May 26, 2026-6pm PDT Jun 2, 2026
 
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Additional Resources

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