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

57°F

14°C

Humidity 87%
Wind Speed SE 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 18 Mar 11:00 PM PDT
Extended Forecast for

2 Miles NNW Napa CA

Heat Advisory March 18, 11:25pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 18, 11:25pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59. Calm wind.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 92. Calm wind.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 55. Calm wind.
Thursday
Sunny, with a high near 90. Calm wind.
Thursday Night
Clear, with a low around 59. Calm wind.
Friday
Sunny, with a high near 92. Calm wind.
Friday Night
Mostly clear, with a low around 56. West southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 48.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Napa CA
 38.31°N 122.32°W (Elev. 98 ft)
9:21 pm PDT Mar 18, 2026
11pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database