Fire Weather Concerns for the Plains; Record Warmth Spreads

Dry and breezy conditions prevail across the High Plains where elevated to locally critical conditions continue through Thursday. Meanwhile, record warmth increases and spreads across the South, Southwest and into southern California into this last weekend of February. Meanwhile, a fast moving system moves across the Plains then off the mid-Atlantic by Thursday evening. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Fog

56°F

13°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 56°F (13°C)
Visibility 0.50 mi
Last update 26 Feb 02:54 AM PST
Extended Forecast for

3 Miles NNW Vallejo CA

Dense Fog Advisory February 26, 03:02am until February 26, 11:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory February 26, 03:02am until February 26, 11:00am

    NOW until 11:00am Thu

    Dense Fog Advisory

  • Overnight

    Low: 52 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy dense fog before 7am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 70 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 52. West wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am.  Otherwise, mostly cloudy, with a high near 72. Calm wind becoming east northeast around 5 mph in the morning.

    High: 72 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Cloudy, with a low around 51.

    Low: 51 °F

    Cloudy

  • Sunday

    Sunday: A slight chance of rain after 4pm.  Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Overnight
Patchy dense fog after 5am. Otherwise, mostly cloudy, with a low around 52. Calm wind.
Thursday
Patchy dense fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 70. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 52. West wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 72. Calm wind becoming east northeast around 5 mph in the morning.
Friday Night
Mostly cloudy, with a low around 54. Calm wind.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Cloudy, with a low around 51.
Sunday
A slight chance of rain after 4pm. Mostly cloudy, with a high near 64.
Sunday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Partly sunny, with a high near 68.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Vallejo CA
 38.18°N 122.26°W (Elev. 56 ft)
12:26 am PST Feb 26, 2026
3am PST Feb 26, 2026-6pm PST Mar 4, 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