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

45°F

7°C

Humidity 100%
Wind Speed NE 4 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 45°F (7°C)
Visibility 0.38 mi
Wind Chill43°F (6°C)
Last update 21 Jan 10:35 AM PST
Extended Forecast for

3 Miles SW 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: 55 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 59. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 59 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. Southwest wind 3 to 6 mph.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58. Calm wind becoming east northeast around 5 mph in the morning.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Today
Cloudy, with a high near 55. East southeast wind around 5 mph.
Tonight
Cloudy, with a low around 48. Calm wind.
Thursday
Mostly cloudy, with a high near 59. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 48. Southwest wind 3 to 6 mph.
Friday
Partly sunny, with a high near 58. Calm wind becoming east northeast around 5 mph in the morning.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Partly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Vallejo CA
 38.09°N 122.26°W (Elev. 75 ft)
1:21 am PST Jan 21, 2026
11am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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