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Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

52°F

11°C

Humidity 87%
Wind Speed WSW 3 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 12 Apr 11:00 PM PDT
Extended Forecast for

5 Miles SSE Sonoma CA

  • Tonight

    Tonight: Areas of fog after 1am. Otherwise, partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Areas Fog

  • Monday

    Monday: Areas of fog before 9am. Otherwise, sunny, with a high near 65. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 65 °F

    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. West wind 5 to 7 mph becoming calm after midnight.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, sunny, with a high near 65. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. West southwest wind 5 to 9 mph becoming light west after midnight.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

Detailed Forecast

Tonight
Areas of fog after 1am. Otherwise, partly cloudy, with a low around 39. Calm wind.
Monday
Areas of fog before 9am. Otherwise, sunny, with a high near 65. Calm wind becoming west 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 40. West wind 5 to 7 mph becoming calm after midnight.
Tuesday
Patchy fog before 10am. Otherwise, sunny, with a high near 65. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 42. West southwest wind 5 to 9 mph becoming light west after midnight.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 68.
Thursday Night
Clear, with a low around 44.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
A slight chance of rain. Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Sonoma CA
 38.22°N 122.44°W (Elev. 3 ft)
Last Update:
6:36 pm PDT Apr 12, 2026
Forecast Valid:
11pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation