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

73°F

23°C

Humidity 56%
Wind Speed SSW 10 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 19 Aug 03:00 PM PDT
Extended Forecast for

3 Miles SSE Sonoma CA

  • Tonight

    Tonight: Increasing clouds, with a low around 55. West southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 55 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 83. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 83 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56. West southwest wind 5 to 9 mph becoming light southwest  in the evening. Winds could gust as high as 20 mph.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 82. Light west southwest wind increasing to 5 to 10 mph in the morning.

    High: 82 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. West southwest wind 6 to 11 mph becoming light  in the evening. Winds could gust as high as 21 mph.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog between 3am and 5am.  Otherwise, mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 8am.  Otherwise, mostly sunny, with a high near 83.

    High: 83 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 55. West southwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 83. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 56. West southwest wind 5 to 9 mph becoming light southwest in the evening. Winds could gust as high as 20 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 82. Light west southwest wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 53. West southwest wind 6 to 11 mph becoming light in the evening. Winds could gust as high as 21 mph.
Saturday
Sunny, with a high near 83.
Saturday Night
Patchy fog between 3am and 5am. Otherwise, mostly clear, with a low around 54.
Sunday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 53.
Wednesday
Patchy fog. Otherwise, partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Sonoma CA
 38.24°N 122.45°W (Elev. 3 ft)
1:26 pm PDT Aug 19, 2026
3pm PDT Aug 19, 2026-6pm PDT Aug 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

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