Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Fairfield / Travis Air Force Base (KSUU)

Lat: 38.26667°NLon: 121.95°WElev: 62.0ft.

Fog

39°F

4°C

Humidity 95%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 38°F (3°C)
Visibility 0.25 mi
Last update 19 Jan 03:55 AM PST
Extended Forecast for

Vallejo CA

Dense Fog Advisory January 19, 04:31am until January 19, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory January 19, 04:31am until January 19, 12:00pm

    NOW until 12:00pm Mon

    Dense Fog Advisory

  • M.L.King Day

    High: 62 °F

    Patchy Dense
    Fog then
    Sunny

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 42. Light east northeast wind.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Partly sunny, with a high near 59. East northeast wind around 6 mph.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 60. Light east northeast wind.

    High: 60 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

M.L.King Day
Widespread haze before 11am. Patchy dense fog between 7am and 9am. Otherwise, mostly sunny, with a high near 62. Calm wind becoming east around 6 mph in the morning.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 42. Light east northeast wind.
Tuesday
Partly sunny, with a high near 59. East northeast wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 45. Calm wind.
Wednesday
Mostly cloudy, with a high near 60. Light east northeast wind.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Vallejo CA
 38.12°N 122.24°W (Elev. 98 ft)
3:06 am PST Jan 19, 2026
4am PST Jan 19, 2026-6pm PST Jan 25, 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