Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

61°F

16°C

Humidity 82%
Wind Speed SW 8 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 23 Aug 02:00 AM PDT
Extended Forecast for

Sonoma CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 55. Light east southeast wind.

    Low: 55 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 88 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 55. West southwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 55 °F

    Increasing
    Clouds

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 84. Light and variable wind becoming west southwest 6 to 11 mph in the morning.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. West southwest wind 10 to 15 mph becoming light  after midnight.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 4am and 5am.  Otherwise, partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 87.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 55. Light east southeast wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 55. West southwest wind 5 to 8 mph becoming calm after midnight.
Monday
Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 84. Light and variable wind becoming west southwest 6 to 11 mph in the morning.
Monday Night
Partly cloudy, with a low around 53. West southwest wind 10 to 15 mph becoming light after midnight.
Tuesday
Partly sunny, with a high near 84.
Tuesday Night
Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 53.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 54.
Friday
Mostly sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 54.
Saturday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.27°N 122.42°W (Elev. 66 ft)
1:46 am PDT Aug 23, 2026
2am PDT Aug 23, 2026-6pm PDT Aug 29, 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