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Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

48°F

9°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Apr 04:35 AM PDT
Extended Forecast for

4 Miles NW Yountville CA

  • Overnight

    Overnight: A 20 percent chance of rain before 5am. Mostly cloudy, with a low around 47. Light southeast wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Slight Chance
    Rain

  • Monday

    Monday: Rain likely and possibly a thunderstorm before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then rain and possibly a thunderstorm after 5pm. High near 61. Southeast wind 5 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 61 °F

    Rain Likely
    then Showers

  • Monday Night

    Monday Night: Rain. Patchy fog after midnight. Low around 49. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm after 11am. Areas of fog before 11am. High near 60. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers and
    Areas Fog

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 46. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain Likely
    then Chance
    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 11am. Areas of fog before 8am. Otherwise, partly sunny, with a high near 65. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance Rain
    and Areas Fog

  • Wednesday Night

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

    Low: 43 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain before 5am. Mostly cloudy, with a low around 47. Light southeast wind. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely and possibly a thunderstorm before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then rain and possibly a thunderstorm after 5pm. High near 61. Southeast wind 5 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Rain. Patchy fog after midnight. Low around 49. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. Areas of fog before 11am. High near 60. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain likely, mainly before 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 46. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of rain, mainly before 11am. Areas of fog before 8am. Otherwise, partly sunny, with a high near 65. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 43.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Yountville CA
 38.43°N 122.41°W (Elev. 180 ft)
Last Update:
2:11 am PDT Apr 20, 2026
Forecast Valid:
4am PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation