Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Fairfield / Travis Air Force Base (KSUU)

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

Mist

44°F

7°C

Humidity 93%
Wind Speed NNE 4 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 42°F (6°C)
Visibility 2.25 mi
Wind Chill42°F (6°C)
Last update 09 Dec 11:55 PM PST
Extended Forecast for

Vallejo CA

  • Overnight

    Overnight: Widespread haze. Widespread dense fog, mainly after 5am.  Otherwise, mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Dense Fog

  • Wednesday

    Wednesday: Widespread haze before 11am. Widespread dense fog, mainly before 9am.  Otherwise, mostly sunny, with a high near 48. East wind 3 to 6 mph.

    High: 48 °F

    Dense Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 49. East northeast wind 3 to 6 mph.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Friday Night

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

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
Widespread haze. Widespread dense fog, mainly after 5am. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Wednesday
Widespread haze before 11am. Widespread dense fog, mainly before 9am. Otherwise, mostly sunny, with a high near 48. East wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 42. Calm wind.
Thursday
Mostly sunny, with a high near 49. East northeast wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 42. Calm wind.
Friday
Mostly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
A slight chance of showers. Mostly cloudy, with a high near 57.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49.
Tuesday
A chance of showers. Mostly cloudy, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Vallejo CA
 38.12°N 122.24°W (Elev. 98 ft)
1:21 pm PST Dec 9, 2025
12am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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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