Critical Fire Weather Conditions in the Plains; Increasing Severe Weather Chances for the Plains and Upper Midwest

A strengthening storm system will bring impactful weather to the much of Central U.S. over the next couple of days, including heavy snow in the northern Rockies, Critical fire weather conditions for portions of the Plains, and increasing severe weather chances from the central/southern Plains to the Upper Midwest. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

55°F

13°C

Humidity 76%
Wind Speed N 3 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 22 Apr 08:20 PM PDT
Extended Forecast for

4 Miles NW Yountville CA

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 3am.  Otherwise, mostly clear, with a low around 42. North northwest wind around 5 mph becoming calm  after midnight.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 8am.  Otherwise, sunny, with a high near 74. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 74 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 45. West southwest wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am.  Otherwise, partly sunny, with a high near 71. Light south southeast wind increasing to 5 to 9 mph in the morning.

    High: 71 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 46. Southwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly clear, with a low around 42. North northwest wind around 5 mph becoming calm after midnight.
Thursday
Areas of fog before 8am. Otherwise, sunny, with a high near 74. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 45. West southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Friday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 71. Light south southeast wind increasing to 5 to 9 mph in the morning.
Friday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 46. Southwest wind 5 to 9 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 43.
Monday
Mostly sunny, with a high near 68.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Yountville CA
 38.43°N 122.41°W (Elev. 180 ft)
3:17 pm PDT Apr 22, 2026
8pm PDT Apr 22, 2026-6pm PDT Apr 29, 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