Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Fairfield / Travis Air Force Base (KSUU)

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

Fog

44°F

7°C

Humidity 95%
Wind Speed E 4 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 43°F (6°C)
Visibility 0.38 mi
Wind Chill42°F (6°C)
Last update 21 Jan 06:55 AM PST
Extended Forecast for

3 Miles NE Vallejo CA

Dense Fog Advisory until January 21, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 21, 12:00pm

    NOW until 12:00pm Wed

    Dense Fog Advisory

  • Today

    High: 52 °F

    Areas Fog

  • Tonight

    Tonight: Patchy fog after 10pm.  Otherwise, cloudy, with a low around 47. Light and variable wind.

    Low: 47 °F

    Patchy Fog

  • Thursday

    Thursday: Mostly cloudy, with a high near 56. West southwest wind around 6 mph.

    High: 56 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45. West southwest wind 5 to 7 mph.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 55. Northeast wind 3 to 6 mph.

    High: 55 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Today
Areas of fog before 2pm. Otherwise, cloudy, with a high near 52. East wind around 6 mph.
Tonight
Patchy fog after 10pm. Otherwise, cloudy, with a low around 47. Light and variable wind.
Thursday
Mostly cloudy, with a high near 56. West southwest wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 45. West southwest wind 5 to 7 mph.
Friday
Partly sunny, with a high near 55. Northeast wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 54.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Mostly cloudy, with a high near 55.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Vallejo CA
 38.17°N 122.2°W (Elev. 397 ft)
1:21 am PST Jan 21, 2026
7am PST Jan 21, 2026-6pm PST Jan 27, 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