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

Tracking Two Storms Impacting the Central and Eastern U.S. Through This Weekend

Two storm systems will track through the central and eastern U.S. through this weekend with areas of gusty winds, rain, and heavy snow. Severe thunderstorms are forecast Friday from the central Gulf Coast into parts of the lower Mississippi, Tennessee and Ohio Valleys. Heavy to excessive rainfall is forecast from the lower Mississippi River Valley to the Tennessee Valley which may bring flooding. 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 56%
Wind Speed NNW 12 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 08 Jan 07:35 PM PST
Extended Forecast for

2 Miles SSW Lake Berryessa CA

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 41. North wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49. North northeast wind around 8 mph.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 37. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 37 °F

    Clear then
    Patchy Frost

  • Saturday

    Saturday: Patchy frost before 8am. Otherwise, sunny, with a high near 51. North northeast wind around 6 mph.

    High: 51 °F

    Patchy Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. North wind 3 to 5 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 41. North wind 11 to 14 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 49. North northeast wind around 8 mph.
Friday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 37. Calm wind becoming north northeast around 5 mph after midnight.
Saturday
Patchy frost before 8am. Otherwise, sunny, with a high near 51. North northeast wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 40. North wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Lake Berryessa CA
 38.54°N 122.26°W (Elev. 1824 ft)
Last Update:
12:26 pm PST Jan 8, 2026
Forecast Valid:
7pm PST Jan 8, 2026-6pm PST Jan 15, 2026
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation