Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

55°F

13°C

Humidity 87%
Wind Speed E 3 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 19 Mar 01:20 AM PDT
Extended Forecast for

2 Miles SSW Lake Berryessa CA

Heat Advisory March 19, 01:39am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 19, 01:39am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Overnight

    Low: 65 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 88. North wind 3 to 5 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 64. North northwest wind 3 to 5 mph.

    Low: 64 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 90. Light and variable wind becoming southwest around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. West northwest wind around 6 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 65. North northwest wind around 5 mph.
Thursday
Sunny, with a high near 88. North wind 3 to 5 mph.
Thursday Night
Clear, with a low around 64. North northwest wind 3 to 5 mph.
Friday
Sunny, with a high near 90. Light and variable wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 64. West northwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Lake Berryessa CA
 38.54°N 122.26°W (Elev. 1824 ft)
1:26 am PDT Mar 19, 2026
1am PDT Mar 19, 2026-6pm PDT Mar 25, 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