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

61°F

16°C

Humidity 63%
Wind Speed SW 3 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 01 Feb 01:00 PM PST
Extended Forecast for

3 Miles NNW Vallejo CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 64. West wind 3 to 5 mph.

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 9pm.  Otherwise, mostly clear, with a low around 42. Light and variable wind.

    Low: 42 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog between 8am and 9am.  Otherwise, sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, sunny, with a high near 65. East northeast wind 6 to 9 mph.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

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

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 43.

    Low: 43 °F

    Clear then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 7am.  Otherwise, sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 64. West wind 3 to 5 mph.
Tonight
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 42. Light and variable wind.
Monday
Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 63. Light and variable wind.
Monday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 42. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 65. East northeast wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 43.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 64.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 64.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 46.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Vallejo CA
 38.18°N 122.26°W (Elev. 56 ft)
1:12 pm PST Feb 1, 2026
1pm PST Feb 1, 2026-6pm PST Feb 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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