Severe Weather Threats Across the Plains; Dangerous Heat and Wildfire Concerns for the West; Watching the Tropics

Severe thunderstorms are expected across the Central Plains accompanied by damaging wind gusts and large hail. In addition, heavy rainfall may lead to instances of flash flooding from the Plains and mid-Atlantic regions. The heavy rainfall threat continues across Florida and across the northern Gulf as we monitor a tropical disturbance tracking westward. Critical fire weather for the Great Basin. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

61°F

16°C

Humidity 77%
Wind Speed SW 8 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Jul 09:30 AM PDT
Extended Forecast for

Napa Co. Airport CA

  • Today

    Today: Mostly cloudy early, then gradual clearing, with a high near 71. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 71 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Southwest wind 6 to 10 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 70. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 70 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of drizzle after 11pm.  Increasing clouds, with a low around 55. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Slight Chance
    Drizzle

  • Thursday

    Thursday: Mostly sunny, with a high near 73. Light west southwest wind becoming southwest 5 to 10 mph in the morning.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog between 4am and 5am.  Otherwise, partly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 74.

    High: 74 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 75.

    High: 75 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Mostly cloudy early, then gradual clearing, with a high near 71. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 55. Southwest wind 6 to 10 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 70. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
A slight chance of drizzle after 11pm. Increasing clouds, with a low around 55. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 73. Light west southwest wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 54.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 74.
Friday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 53.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 75.
Saturday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 53.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 54.
Monday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa Co. Airport CA
 38.22°N 122.3°W (Elev. 3 ft)
6:22 am PDT Jul 15, 2025
9am PDT Jul 15, 2025-6pm PDT Jul 21, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database