Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. 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 88%
Wind Speed S 8 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Aug 09:00 PM PDT
Extended Forecast for

2 Miles NNW Napa Co. Airport CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. South southwest wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 81 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 57. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 57 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57. West southwest wind 3 to 8 mph.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. South southwest wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 57. Southwest wind around 6 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 79. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 57. West southwest wind 3 to 8 mph.
Friday
Partly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 56.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Napa Co. Airport CA
 38.24°N 122.3°W (Elev. 26 ft)
9:12 pm PDT Aug 18, 2026
9pm PDT Aug 18, 2026-6pm PDT Aug 25, 2026
 
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Additional Resources

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