National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Hazardous Weather Conditions

Current conditions at

Vacaville Nut Tree Airport (KVCB)

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

Clear

37°F

3°C

Humidity 80%
Wind Speed N 3 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 29 Dec 07:20 AM PST
Extended Forecast for

Vacaville CA

Dense Fog Advisory until December 29, 11:00am
Frost Advisory until December 29, 09:00am
Click here for hazard details and duration
...
...
  •  
    Dense Fog Advisory until December 29, 11:00am
    Frost Advisory until December 29, 09:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 57 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy frost before 7am. Otherwise, partly sunny, with a high near 49. North northeast wind 5 to 7 mph.

    High: 49 °F

    Patchy Frost
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 44. Light north wind.

    Low: 44 °F

    Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 4pm. Cloudy, with a high near 48. Northeast wind 3 to 6 mph. Chance of precipitation is 60%.

    High: 48 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Rain

  • New Year's Day

    New Year's Day: Rain. High near 53. Chance of precipitation is 80%.

    High: 53 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Cloudy, with a low around 48.

    Low: 48 °F

    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 57. North wind 6 to 9 mph.
Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 36. Calm wind.
Tuesday
Patchy frost before 7am. Otherwise, partly sunny, with a high near 49. North northeast wind 5 to 7 mph.
Tuesday Night
Cloudy, with a low around 44. Light north wind.
Wednesday
Rain likely, mainly after 4pm. Cloudy, with a high near 48. Northeast wind 3 to 6 mph. Chance of precipitation is 60%.
Wednesday Night
Rain. Low around 46. Chance of precipitation is 80%.
New Year's Day
Rain. High near 53. Chance of precipitation is 80%.
Thursday Night
Rain. Cloudy, with a low around 48.
Friday
Rain likely. Cloudy, with a high near 54.
Friday Night
Rain likely. Cloudy, with a low around 49.
Saturday
Rain likely. Cloudy, with a high near 52.
Saturday Night
Rain likely. Mostly cloudy, with a low around 48.
Sunday
A chance of rain. Mostly cloudy, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vacaville CA
 38.37°N 121.96°W (Elev. 105 ft)
Last Update:
1:21 am PST Dec 29, 2025
Forecast Valid:
7am PST Dec 29, 2025-6pm PST Jan 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation