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

Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

72°F

22°C

Humidity 64%
Wind Speed S 11 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Aug 01:20 PM PDT
Extended Forecast for

Sonoma CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. South southwest wind 6 to 8 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 52. West wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. West southwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly 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

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 84. South southwest wind 6 to 8 mph.
Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 52. West wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 54. West southwest wind around 5 mph becoming calm in the evening.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 52.
Saturday
Patchy fog. Otherwise, sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
Last Update:
1:26 pm PDT Aug 17, 2026
Forecast Valid:
1pm PDT Aug 17, 2026-6pm PDT Aug 23, 2026
 
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