Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

54°F

12°C

Humidity 93%
Wind Speed WNW 4 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 26 Jul 05:35 AM PDT
Extended Forecast for

Sonoma CA

  • Today

    Today: Sunny, with a high near 85. Light west southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 53. West southwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 53 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, sunny, with a high near 87. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 56. West southwest wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 85. Light west southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 53. West southwest wind 5 to 9 mph becoming calm after midnight.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 87. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Clear, with a low around 56. West southwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 90. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Clear, with a low around 57.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 89.
Thursday Night
Clear, with a low around 54.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
4:51 am PDT Jul 26, 2026
5am PDT Jul 26, 2026-6pm PDT Aug 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database