Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

75°F

24°C

Humidity 16%
Wind Speed N 20 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 17 May 05:54 PM PDT
Extended Forecast for

4 Miles N Sonoma CA

Wind Advisory May 17, 11:00pm until May 18, 11:00am
Click here for hazard details and duration
Wind Advisory
  • Tonight

    Tonight: Clear, with a temperature rising to around 75 by 9pm. Breezy, with a north wind 16 to 25 mph, with gusts as high as 43 mph.

    Low: 70 °F

    Clear then
    Clear and
    Breezy

  • Monday

    Monday: Sunny, with a high near 79. Breezy, with a north northeast wind 21 to 26 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 46 mph.

    High: 79 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 64. North wind 7 to 9 mph.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. North wind 6 to 9 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 66. West wind 3 to 8 mph.

    Low: 66 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

Detailed Forecast

Tonight
Clear, with a temperature rising to around 75 by 9pm. Breezy, with a north wind 16 to 25 mph, with gusts as high as 43 mph.
Monday
Sunny, with a high near 79. Breezy, with a north northeast wind 21 to 26 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 46 mph.
Monday Night
Clear, with a low around 64. North wind 7 to 9 mph.
Tuesday
Sunny, with a high near 82. North wind 6 to 9 mph.
Tuesday Night
Clear, with a low around 66. West wind 3 to 8 mph.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Clear, with a low around 59.
Thursday
Sunny, with a high near 84.
Thursday Night
Clear, with a low around 56.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Mostly sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Sonoma CA
 38.36°N 122.45°W (Elev. 1818 ft)
1:26 pm PDT May 17, 2026
6pm PDT May 17, 2026-6pm PDT May 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database