Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

63°F

17°C

Humidity 67%
Wind Speed SSW 9 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 07 Jul 11:35 AM PDT
Extended Forecast for

Sonoma CA

  • Today

    Today: Sunny, with a high near 78. West southwest wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, increasing clouds, with a low around 50. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 8am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 82 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am.  Otherwise, increasing clouds, with a low around 52. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, sunny, with a high near 87. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 53.

    Low: 53 °F

    Clear then
    Patchy Fog

  • Friday

    Friday: Patchy fog before 7am.  Otherwise, sunny, with a high near 85.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Friday Night

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

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. West southwest wind 5 to 10 mph.
Tonight
Patchy fog after 1am. Otherwise, increasing clouds, with a low around 50. West southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Areas of fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Wednesday Night
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 52. Southwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 87. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Thursday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 53.
Friday
Patchy fog before 7am. Otherwise, sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 54.
Saturday
Partly sunny, with a high near 87.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
Partly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
11:26 am PDT Jul 7, 2026
11am PDT Jul 7, 2026-6pm PDT Jul 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database