Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

46°F

8°C

Humidity 87%
Wind Speed N 3 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 01 Feb 09:20 PM PST
Extended Forecast for

3 Miles SW Napa CA

Coastal Flood Advisory February 2, 09:00am until February 2, 01:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  • Tonight

    Tonight: Patchy fog.  Otherwise, mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 8am.  Otherwise, sunny, with a high near 65. Light and variable wind.

    High: 65 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am.  Otherwise, sunny, with a high near 67. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 67 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 8am.  Otherwise, sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly clear, with a low around 40. Calm wind.
Monday
Areas of fog before 8am. Otherwise, sunny, with a high near 65. Light and variable wind.
Monday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 40. Calm wind.
Tuesday
Areas of fog before 9am. Otherwise, sunny, with a high near 67. Calm wind becoming east northeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 41. Calm wind.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 65.
Friday Night
Widespread fog. Otherwise, partly cloudy, with a low around 44.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 65.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Sunday
A slight chance of rain. Widespread fog. Otherwise, partly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Napa CA
 38.26°N 122.34°W (Elev. 157 ft)
1:33 pm PST Feb 1, 2026
9pm PST Feb 1, 2026-6pm PST Feb 8, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database