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

Tropical Storm Claudette Impacts the Gulf Coast; Severe Weather from the Central Plains to the Ohio Valley; Heat Wave Persists in West

Claudette is expected to produce heavy rainfall and life-threatening flash flooding across coastal Mississippi and Alabama, and the far western Florida Panhandle through the afternoon. Severe thunderstorms are expected from portions of the central High Plains to the Mid-Atlantic. Dangerous and record-breaking heat and fire weather conditions will continue across a large portion of the western U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33ft.

Clear

70°F

21°C

Humidity 64%
Wind Speed SSW 11 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 19 Jun 12:10 PM PDT
Extended Forecast for

4 Miles W Lake Berryessa CA

Heat Advisory until June 19, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 19, 10:00pm

    NOW until
    10:00pm Sat

    Heat Advisory

  • This
    Afternoon

    This Afternoon: Sunny and hot, with a high near 96. South southwest wind around 10 mph.

    Hot

    High: 96 °F

  • Tonight

    Tonight: Clear, with a low around 56. South southwest wind 8 to 10 mph.

    Clear

    Low: 56 °F

  • Sunday

    Sunday: Sunny, with a high near 92. South southwest wind 8 to 13 mph.

    Sunny

    High: 92 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 52. South southwest wind 10 to 13 mph, with gusts as high as 18 mph.

    Mostly Clear

    Low: 52 °F

  • Monday

    Monday: Sunny, with a high near 84. South southwest wind 9 to 13 mph.

    Sunny

    High: 84 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 51.

    Mostly Clear

    Low: 51 °F

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    Sunny

    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 50.

    Clear then
    Patchy Fog

    Low: 50 °F

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 96. South southwest wind around 10 mph.
Tonight
Clear, with a low around 56. South southwest wind 8 to 10 mph.
Sunday
Sunny, with a high near 92. South southwest wind 8 to 13 mph.
Sunday Night
Mostly clear, with a low around 52. South southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 84. South southwest wind 9 to 13 mph.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Patchy fog after 4am. Otherwise, clear, with a low around 50.
Thursday
Sunny, with a high near 86.
Thursday Night
Clear, with a low around 57.
Friday
Sunny and hot, with a high near 96.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
4 Miles W Lake Berryessa CA
 38.58°N 122.33°W (Elev. 1138 ft)
Last Update:
12:27 pm PDT Jun 19, 2021
Forecast Valid:
12pm PDT Jun 19, 2021-6pm PDT Jun 25, 2021
 
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