National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

66°F

19°C

Humidity 77%
Wind Speed S 5 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 22 Aug 08:35 PM PDT
Extended Forecast for

4 Miles SE Sonoma CA

  • Tonight

    Tonight: Partly cloudy, with a low around 56. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy during the morning, then sunny during the afternoon, with a high near 85. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 85 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. West southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 82 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. West southwest wind 5 to 9 mph becoming light west after midnight.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

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

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. West wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Mostly cloudy during the morning, then sunny during the afternoon, with a high near 85. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 55. West southwest wind 5 to 8 mph becoming calm in the evening.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 54. West southwest wind 5 to 9 mph becoming light west after midnight.
Tuesday
Partly sunny, with a high near 82.
Tuesday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 53.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Sonoma CA
 38.25°N 122.42°W (Elev. 20 ft)
Last Update:
3:12 pm PDT Aug 22, 2026
Forecast Valid:
8pm PDT Aug 22, 2026-6pm PDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation