Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

55°F

13°C

Humidity 93%
Wind Speed WSW 5 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 54°F (12°C)
Visibility 8.00 mi
Last update 10 Jul 07:20 AM PDT
Extended Forecast for

4 Miles WSW Napa CA

Coastal Flood Advisory July 10, 07:37am until July 16, 04:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory July 10, 07:37am until July 16, 04:00am

    NOW until 4:00am Thu

    Coastal Flood Advisory

  • Today

    High: 80 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 51. Southwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 51 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 84. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 84 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. Southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 83. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 83 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 80. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Increasing clouds, with a low around 51. Southwest wind 5 to 9 mph becoming calm after midnight.
Saturday
Partly sunny, with a high near 84. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 57. Southwest wind 5 to 8 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 83. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 82.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Napa CA
 38.28°N 122.37°W (Elev. 407 ft)
2:16 am PDT Jul 10, 2026
7am PDT Jul 10, 2026-6pm PDT Jul 16, 2026
 
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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