Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

64°F

18°C

Humidity 77%
Wind Speed S 4 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 26 Aug 11:35 PM PDT
Extended Forecast for

9 Miles ENE Yountville CA

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am.  Mostly clear, with a low around 65. West northwest wind 3 to 5 mph.

    Low: 65 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 11am, then a slight chance of rain after 11am.  Mostly sunny, with a high near 93. Calm wind becoming southwest 5 to 9 mph in the afternoon.  Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms then
    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 65. Southwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 65 °F

    Slight Chance
    Rain

  • Friday

    Friday: A 20 percent chance of rain before 11am.  Mostly cloudy, with a high near 83. Light west wind becoming south southwest 5 to 10 mph in the morning.

    High: 83 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. Southwest wind 9 to 14 mph becoming light west southwest  in the evening.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 65. West northwest wind 3 to 5 mph.
Thursday
A slight chance of showers and thunderstorms before 11am, then a slight chance of rain after 11am. Mostly sunny, with a high near 93. Calm wind becoming southwest 5 to 9 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 65. Southwest wind 5 to 7 mph becoming calm after midnight.
Friday
A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 83. Light west wind becoming south southwest 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 56. Southwest wind 9 to 14 mph becoming light west southwest in the evening.
Saturday
Sunny, with a high near 82.
Saturday Night
Clear, with a low around 54.
Sunday
Sunny, with a high near 81.
Sunday Night
Clear, with a low around 53.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Yountville CA
 38.44°N 122.21°W (Elev. 797 ft)
11:26 pm PDT Aug 26, 2026
11pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

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