Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. 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 56%
Wind Speed SSW 13 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 30 Aug 03:00 PM PDT
Extended Forecast for

4 Miles WSW Yountville CA

  • Tonight

    Tonight: Mostly clear, with a low around 53. Light south southwest wind.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 53. West southwest wind around 7 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. West southwest wind 5 to 7 mph.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. West southwest wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 21 mph.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain before 11am.  Partly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Light south southwest wind.
Monday
Sunny, with a high near 78. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Increasing clouds, with a low around 53. West southwest wind around 7 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 74. West southwest wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 53. West southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
A slight chance of rain before 11am. Partly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Yountville CA
 38.38°N 122.42°W (Elev. 1030 ft)
1:31 pm PDT Aug 30, 2026
3pm PDT Aug 30, 2026-6pm PDT Sep 6, 2026
 
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Additional Resources

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