Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

52°F

11°C

Humidity 50%
Wind Speed NNE 3 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 17 Apr 08:00 AM PDT
Extended Forecast for

5 Miles W Napa Co. Airport CA

  • Today

    Today: Sunny, with a high near 73. Calm wind becoming north around 6 mph in the afternoon.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Patchy fog between 3am and 5am.  Otherwise, partly cloudy, with a low around 43. West wind around 5 mph becoming calm  in the evening.

    Low: 43 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 70. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 70 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of rain after 11pm.  Mostly cloudy, with a low around 48. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance Rain

  • Monday

    Monday: Rain likely.  Mostly cloudy, with a high near 62. Chance of precipitation is 70%.

    High: 62 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely, mainly before 11pm.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain Likely
    and Patchy
    Fog

  • Tuesday

    Tuesday: A chance of rain, then showers likely and possibly a thunderstorm after 11am.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 61.

    High: 61 °F

    Showers
    Likely and
    Patchy Fog

Detailed Forecast

Today
Sunny, with a high near 73. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Patchy fog between 3am and 5am. Otherwise, partly cloudy, with a low around 43. West wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 47. Southwest wind around 6 mph becoming calm in the evening.
Sunday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 70. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Sunday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 48. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Monday Night
Rain likely, mainly before 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 47.
Tuesday
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 61.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 66.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 44.
Thursday
Patchy fog. Otherwise, sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Napa Co. Airport CA
 38.21°N 122.38°W (Elev. 3 ft)
2:27 am PDT Apr 17, 2026
8am PDT Apr 17, 2026-6pm PDT Apr 23, 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