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

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

80°F

27°C

Humidity 54%
Wind Speed SSW 5 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Mar 05:54 PM PDT
Extended Forecast for

7 Miles NE Yountville CA

Heat Advisory March 17, 06:12pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 17, 06:12pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 64 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. North northeast wind around 6 mph becoming southwest in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 66. West southwest wind around 6 mph becoming north northwest after midnight.

    Low: 66 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 86. North wind around 6 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 66. North northwest wind around 6 mph.

    Low: 66 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Tonight
Clear, with a low around 64. West wind around 6 mph becoming north after midnight.
Wednesday
Sunny, with a high near 84. North northeast wind around 6 mph becoming southwest in the afternoon.
Wednesday Night
Clear, with a low around 66. West southwest wind around 6 mph becoming north northwest after midnight.
Thursday
Sunny, with a high near 86. North wind around 6 mph.
Thursday Night
Clear, with a low around 66. North northwest wind around 6 mph.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 72.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 66.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NE Yountville CA
 38.45°N 122.27°W (Elev. 1998 ft)
1:49 pm PDT Mar 17, 2026
6pm PDT Mar 17, 2026-6pm PDT Mar 24, 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