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

45°F

7°C

Humidity 45%
Wind Speed E 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 17 Apr 06:00 AM PDT
Extended Forecast for

4 Miles NW Yountville CA

  • Today

    Today: Sunny, with a high near 75. North northwest wind 3 to 6 mph. Winds could gust as high as 20 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. Calm wind.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 73. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 49. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Chance Rain

  • Monday

    Monday: Rain likely.  Mostly cloudy, with a high near 63. Chance of precipitation is 70%.

    High: 63 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely, mainly before 11pm.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain Likely
    and Patchy
    Fog

  • Tuesday

    Tuesday: Rain likely before 11am, 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 75. North northwest wind 3 to 6 mph. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 45. Calm wind.
Saturday
Mostly sunny, with a high near 77. Calm wind.
Saturday Night
Mostly cloudy, with a low around 48. Calm wind.
Sunday
Partly sunny, with a high near 73. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 49. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Monday Night
Rain likely, mainly before 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 47.
Tuesday
Rain likely before 11am, 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, mainly before 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Patchy fog. Otherwise, mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Yountville CA
 38.43°N 122.41°W (Elev. 180 ft)
2:27 am PDT Apr 17, 2026
6am 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