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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Fairfield / Travis Air Force Base (KSUU)

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

Mostly Cloudy

59°F

15°C

Humidity 87%
Wind Speed SE 20 MPH
Barometer 29.57 in (1001.36 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 Dec 07:10 PM PST
Extended Forecast for

3 Miles SW Vallejo CA

Flood Watch December 24, 07:32pm until December 26, 04:00pm
High Wind Warning December 24, 07:32pm until December 25, 04:00pm
Click here for hazard details and duration
Flood Watch
High Wind Warning
  •  
    Flood Watch December 24, 07:32pm until December 26, 04:00pm
    High Wind Warning December 24, 07:32pm until December 25, 04:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 55 °F

    Showers and
    Windy

  • Christmas Day

    Christmas Day: Showers and thunderstorms before noon, then showers and possibly a thunderstorm, mainly after noon. High near 55. Breezy, with a south wind around 26 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 55 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 10pm, then rain, mainly after 10pm. Low around 51. Breezy, with a south southwest wind 25 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers and
    Breezy

  • Friday

    Friday: Rain. High near 52. South wind around 21 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45. Southeast wind around 8 mph. Chance of precipitation is 60%.

    Low: 45 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 10am. Partly sunny, with a high near 49.

    High: 49 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 5am, then a chance of showers and thunderstorms after 5am. Steady temperature around 55. Windy, with a south southeast wind 23 to 31 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Christmas Day
Showers and thunderstorms before noon, then showers and possibly a thunderstorm, mainly after noon. High near 55. Breezy, with a south wind around 26 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 10pm, then rain, mainly after 10pm. Low around 51. Breezy, with a south southwest wind 25 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 52. South wind around 21 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 45. Southeast wind around 8 mph. Chance of precipitation is 60%.
Saturday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Vallejo CA
 38.11°N 122.27°W (Elev. 3 ft)
Last Update:
1:21 pm PST Dec 24, 2025
Forecast Valid:
7pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation