National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms Likely in the Central U.S.; Flooding Possible for portions of Oklahoma/Texas/Arkansas and the Marianas.

Severe thunderstorms are likely from the southern Plains to the Midwest through Friday. Large hail, damaging winds, and tornadoes are all possible. An Enhanced (level 3 of 5) risk is in effect. Flash flooding is possible across portions of Oklahoma, Texas, and Arkansas on Friday. A Slight (level 2 of 4) risk is in effect. Flooding rain may impact Guam and the Marianas through next week. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

46°F

8°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 05 Mar 08:00 AM PST
Extended Forecast for

6 Miles SE Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 66. Breezy, with a north wind around 23 mph, with gusts as high as 33 mph.

    High: 66 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 48. Breezy, with a north wind 15 to 23 mph, with gusts as high as 41 mph.

    Low: 48 °F

    Clear and
    Breezy

  • Friday

    Friday: Sunny, with a high near 70. Breezy, with a north wind 22 to 25 mph, with gusts as high as 36 mph.

    High: 70 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. North northwest wind 13 to 17 mph, with gusts as high as 34 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. North wind 15 to 17 mph, with gusts as high as 34 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 51.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 7am. Otherwise, sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Sunny, with a high near 66. Breezy, with a north wind around 23 mph, with gusts as high as 33 mph.
Tonight
Clear, with a low around 48. Breezy, with a north wind 15 to 23 mph, with gusts as high as 41 mph.
Friday
Sunny, with a high near 70. Breezy, with a north wind 22 to 25 mph, with gusts as high as 36 mph.
Friday Night
Mostly clear, with a low around 54. North northwest wind 13 to 17 mph, with gusts as high as 34 mph.
Saturday
Sunny, with a high near 75. North wind 15 to 17 mph, with gusts as high as 34 mph.
Saturday Night
Clear, with a low around 53.
Sunday
Sunny, with a high near 80.
Sunday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 51.
Monday
Patchy fog before 7am. Otherwise, sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Lake Berryessa CA
 38.51°N 122.2°W (Elev. 541 ft)
Last Update:
12:46 am PST Mar 5, 2026
Forecast Valid:
8am PST Mar 5, 2026-6pm PDT Mar 11, 2026
 
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