Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

68°F

20°C

Humidity 72%
Wind Speed S 8 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 03 Aug 08:35 PM PDT
Extended Forecast for

6 Miles SSE Sonoma CA

  • Tonight

    Tonight: Mostly clear, with a low around 55. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Widespread haze before 9am. Sunny, with a high near 88. Calm wind becoming south 5 to 9 mph in the morning.

    High: 88 °F

    Haze then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. West southwest wind 3 to 8 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

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

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 55. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Widespread haze before 9am. Sunny, with a high near 88. Calm wind becoming south 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 54. Southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 83. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. West southwest wind 3 to 8 mph.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 54.
Monday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Sonoma CA
 38.2°N 122.43°W (Elev. 3 ft)
1:26 pm PDT Aug 3, 2026
8pm PDT Aug 3, 2026-6pm PDT Aug 10, 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