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

48°F

9°C

Humidity 81%
Wind Speed E 3 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 Jun 03:35 AM PDT
Extended Forecast for

Sonoma CA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 51. Northwest wind around 11 mph, with gusts as high as 24 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. West northwest wind 8 to 15 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Light west wind becoming west southwest 8 to 13 mph in the morning.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. West southwest wind 6 to 11 mph becoming light and variable  in the evening.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82.

    High: 82 °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 8am.  Otherwise, sunny, with a high near 78.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 51. Northwest wind around 11 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 77. West northwest wind 8 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 51. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 79. Light west wind becoming west southwest 8 to 13 mph in the morning.
Sunday Night
Mostly clear, with a low around 49. West southwest wind 6 to 11 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 82.
Monday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 49.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 78.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 49.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 80.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 50.
Thursday
Patchy fog. Otherwise, sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
2:50 am PDT Jun 21, 2025
3am PDT Jun 21, 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