Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Fairfield / Travis Air Force Base (KSUU)

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

Mist

45°F

7°C

Humidity 90%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 42°F (6°C)
Visibility 5.00 mi
Last update 08 Dec 08:55 PM PST
Extended Forecast for

5 Miles ENE Napa Co. Airport CA

  • Tonight

    Tonight: Widespread haze after midnight. Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 40. Light northeast wind.

    Low: 40 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Widespread haze before 10am. Widespread dense fog, mainly before 7am.  Otherwise, mostly sunny, with a high near 44. East wind 3 to 5 mph.

    High: 44 °F

    Dense Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. Light northeast wind.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. East northeast wind around 6 mph.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. Light north northeast wind.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
Widespread haze after midnight. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 40. Light northeast wind.
Tuesday
Widespread haze before 10am. Widespread dense fog, mainly before 7am. Otherwise, mostly sunny, with a high near 44. East wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 43. Light northeast wind.
Wednesday
Mostly sunny, with a high near 50. East northeast wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 43. Light north northeast wind.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 43.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 41.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
A slight chance of showers. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Napa Co. Airport CA
 38.24°N 122.19°W (Elev. 633 ft)
1:20 pm PST Dec 8, 2025
9pm PST Dec 8, 2025-6pm PST Dec 15, 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