Extreme Cold and Winter Weather Expected for Portions of the U.S. This Week

Arctic air will spread across much of the central U.S. into New England this week resulting in record-breaking cold and life threatening wind chill temperatures. Heavy snow will move from the northern Rockies to the central Plains by early Tuesday. A swath of significant snow and ice will likely move from the central Plains to the Mid-Atlantic states Tuesday through early Thursday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

39°F

4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 17 Feb 07:20 AM PST
Extended Forecast for

2 Miles NW Vallejo CA

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 60. Light west wind increasing to 5 to 10 mph in the morning.

    High: 60 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. West northwest wind around 6 mph becoming calm  after midnight.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 62. Light south southwest wind becoming west southwest 5 to 10 mph in the morning.  New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance Rain

  • Wednesday Night

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

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Washington's Birthday
Partly sunny, with a high near 60. Light west wind increasing to 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 40. West northwest wind around 6 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 62. Calm wind becoming west southwest around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 46. West southwest wind around 5 mph becoming calm in the evening.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 62. Light south southwest wind becoming west southwest 5 to 10 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 46.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 69.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Vallejo CA
 38.16°N 122.25°W (Elev. 26 ft)
2:16 am PST Feb 17, 2025
7am PST Feb 17, 2025-6pm PST Feb 23, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database