Critical Fire Weather Conditions Continue; Pacific Storm to Bring Heavy Snow to the Sierra-Nevada

Critical fire weather conditions are forecast for the Southern Plains and portions of Florida through Thursday, as gusty winds and dry conditions return to the region. A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast and central Great Basin, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

61°F

16°C

Humidity 72%
Wind Speed SSW 13 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 21 Apr 11:35 AM PDT
Extended Forecast for

7 Miles S Lake Berryessa CA

  • Today

    Today: Showers and possibly a thunderstorm.  High near 56. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely after 4am.  Mostly cloudy, with a low around 44. West southwest wind 5 to 7 mph becoming calm  after midnight.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 11am.  Mostly sunny, with a high near 61. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 61 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 56. Southwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms, then showers likely after 4am. Mostly cloudy, with a low around 44. West southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers, mainly before 11am. Mostly sunny, with a high near 61. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 44. West southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 45.
Monday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Lake Berryessa CA
 38.48°N 122.25°W (Elev. 1198 ft)
11:27 am PDT Apr 21, 2026
11am PDT Apr 21, 2026-6pm PDT Apr 27, 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