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

Vacaville Nut Tree Airport (KVCB)

Lat: 38.37755°NLon: 121.95853°WElev: 105.0ft.

Fog

43°F

6°C

Humidity 100%
Wind Speed SE 3 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 43°F (6°C)
Visibility 0.24 mi
Last update 19 Jan 07:35 PM PST
Extended Forecast for

10 Miles ESE Lake Berryessa CA

Dense Fog Advisory until January 20, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 20, 12:00pm

    NOW until 12:00pm Tue

    Dense Fog Advisory

  • Tonight

    Low: 44 °F

    Haze

  • Tuesday

    Tuesday: Widespread haze before 2pm. Increasing clouds, with a high near 57. North wind around 6 mph.

    High: 57 °F

    Haze

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 58. Light north northeast wind.

    High: 58 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog before midnight, then patchy fog after 1am.  Otherwise, partly cloudy, with a low around 43.

    Low: 43 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 59.

    High: 59 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Tonight
Widespread haze after 8pm. Partly cloudy, with a low around 44. Calm wind becoming northeast around 6 mph after midnight.
Tuesday
Widespread haze before 2pm. Increasing clouds, with a high near 57. North wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 46. Calm wind.
Wednesday
Mostly cloudy, with a high near 58. Light north northeast wind.
Wednesday Night
Mostly cloudy, with a low around 47. Calm wind.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Patchy fog before midnight, then patchy fog after 1am. Otherwise, partly cloudy, with a low around 43.
Friday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 43.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 58.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ESE Lake Berryessa CA
 38.51°N 122.08°W (Elev. 1198 ft)
1:26 pm PST Jan 19, 2026
7pm PST Jan 19, 2026-6pm PST Jan 26, 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