Snow May Produce Poor Travel Conditions in the North-Central U.S. and East Coast

A strong cold front sweeping across the Northern Plains may bring snow showers and snow squalls from eastern Montana to north-central Nebraska, with blizzard conditions possible in eastern North Dakota and northwestern Montana. Heavy snow is expected to persist downwind of the Great Lakes. Snow showers will spread up the East Coast across the Mid-Atlantic and Northeast coasts. 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 72%
Wind Speed E 8 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Jan 03:20 PM PST
Extended Forecast for

3 Miles NNW Vallejo CA

  • Tonight

    Tonight: Patchy dense fog between 2am and 5am.  Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Dense
    Fog

  • M.L.King Day

    M.L.King Day: Patchy dense fog between 7am and 9am.  Otherwise, mostly sunny, with a high near 61. East northeast wind 3 to 6 mph.

    High: 61 °F

    Patchy Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 40. Light east northeast wind.

    Low: 40 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. East northeast wind around 7 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between midnight and 1am.  Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am.  Otherwise, partly sunny, with a high near 59.

    High: 59 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 45.

    Low: 45 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog.  Otherwise, mostly clear, with a low around 43.

    Low: 43 °F

    Patchy Fog

Detailed Forecast

Tonight
Patchy dense fog between 2am and 5am. Otherwise, partly cloudy, with a low around 41. Calm wind.
M.L.King Day
Patchy dense fog between 7am and 9am. Otherwise, mostly sunny, with a high near 61. East northeast wind 3 to 6 mph.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 40. Light east northeast wind.
Tuesday
Mostly sunny, with a high near 61. East northeast wind around 7 mph.
Tuesday Night
Patchy fog between midnight and 1am. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Wednesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 59.
Wednesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 45.
Thursday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 60.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 43.
Friday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 59.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 58.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 58.
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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 18, 2026
3pm PST Jan 18, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database