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

Critical Fire Weather in the Southern Plains; Severe Storms in the Ohio Valley

Strong winds and low humidity will create elevated to critical fire weather conditions across the Southern Plains on Thursday. Strong to severe thunderstorms are forecast in the Ohio Valley late Thursday into Friday morning, with the strongest storms capable of producing very large hail, damaging winds, and a few tornadoes. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

50°F

10°C

Humidity 81%
Wind Speed WSW 5 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 26 Mar 12:20 AM PDT
Extended Forecast for

2 Miles SSW Lake Berryessa CA

  • Overnight

    Overnight: Partly cloudy, with a low around 51. North northwest wind around 8 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. North wind 10 to 14 mph, with gusts as high as 30 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58. North wind 9 to 14 mph, with gusts as high as 32 mph.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 77. North wind 6 to 9 mph.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. West southwest wind around 6 mph becoming calm after midnight.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 51. North northwest wind around 8 mph.
Thursday
Mostly sunny, with a high near 74. North wind 10 to 14 mph, with gusts as high as 30 mph.
Thursday Night
Mostly cloudy, with a low around 58. North wind 9 to 14 mph, with gusts as high as 32 mph.
Friday
Partly sunny, with a high near 77. North wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around 54. West southwest wind around 6 mph becoming calm after midnight.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 70.
Monday Night
A chance of rain. Mostly cloudy, with a low around 55.
Tuesday
Rain likely. Mostly cloudy, with a high near 59.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 50.
Wednesday
A chance of rain. Partly sunny, with a high near 60.
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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:
11:26 pm PDT Mar 25, 2026
Forecast Valid:
12am PDT Mar 26, 2026-6pm PDT Apr 1, 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