High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. 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 82%
Wind Speed E 8 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 41°F (5°C)
Visibility 7.00 mi
Wind Chill42°F (6°C)
Last update 25 Jan 10:54 PM PST
Extended Forecast for

3 Miles NNW Vallejo CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. East northeast wind 8 to 10 mph.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 57. East wind 5 to 9 mph becoming light and variable  in the afternoon.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. Light east northeast wind.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. East wind around 6 mph.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly between 10pm and 4am.  Mostly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before 10am.  Mostly sunny, with a high near 59.

    High: 59 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. East northeast wind 8 to 10 mph.
Monday
Sunny, with a high near 57. East wind 5 to 9 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 39. Light east northeast wind.
Tuesday
Partly sunny, with a high near 55. East wind around 6 mph.
Tuesday Night
A 30 percent chance of rain, mainly between 10pm and 4am. Mostly cloudy, with a low around 45. Light and variable wind.
Wednesday
A 20 percent chance of rain before 10am. Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 44.
Friday
Mostly cloudy, with a high near 60.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Mostly cloudy, with a high near 60.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 47.
Sunday
A chance of rain. Partly sunny, with a high near 61.
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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 pm PST Jan 25, 2026
11pm PST Jan 25, 2026-6pm PST Feb 1, 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