Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

57°F

14°C

Humidity 67%
Wind Speed W 20 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Jun 10:35 PM PDT
Extended Forecast for

Sonoma CA

  • Tonight

    Tonight: Mostly clear, with a low around 47. Northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 38 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. Northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80. Light west northwest wind becoming west southwest 8 to 13 mph in the afternoon.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 48. West southwest wind 6 to 11 mph becoming light and variable  in the evening.

    Low: 48 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 79.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 48.

    Low: 48 °F

    Clear then
    Patchy Fog

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 38 mph.
Saturday
Sunny, with a high near 77. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 50. Northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 80. Light west northwest wind becoming west southwest 8 to 13 mph in the afternoon.
Sunday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 48. West southwest wind 6 to 11 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 83.
Monday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 49.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 79.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 48.
Wednesday
Patchy fog before 9am. Otherwise, sunny, with a high near 81.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 49.
Thursday
Areas of fog. Otherwise, sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.43°W (Elev. 95 ft)
8:33 pm PDT Jun 20, 2025
10pm PDT Jun 20, 2025-6pm PDT Jun 27, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database