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

Vacaville Nut Tree Airport (KVCB)

Lat: 38.37755°NLon: 121.95853°WElev: 105.0ft.

Overcast

55°F

13°C

Humidity 87%
Wind Speed SSE 9 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 24 Dec 10:20 PM PST
Extended Forecast for

Nut Tree Airport CA

Flood Watch December 24, 10:32pm until December 26, 04:00pm
Flood Advisory until December 25, 09:00pm
High Wind Warning December 24, 10:32pm until December 25, 04:00pm
Click here for hazard details and duration
Flood Watch
Flood Advisory
High Wind Warning
  •  
    Flood Watch December 24, 10:32pm until December 26, 04:00pm
    Flood Advisory until December 25, 09:00pm
    High Wind Warning December 24, 10:32pm until December 25, 04:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 51 °F

    Rain Likely
    then Showers
    and Breezy

  • Christmas Day

    Christmas Day: Rain and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 4pm, then rain after 4pm. High near 55. Breezy, with a south wind 21 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 55 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm. Steady temperature around 51. South wind 16 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Rain

  • Friday

    Friday: Rain. High near 52. South southeast wind 15 to 18 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: A 50 percent chance of rain. Mostly cloudy, with a low around 43. South wind 3 to 6 mph.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly 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 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Tonight
Rain likely, then showers and possibly a thunderstorm after 1am. Low around 51. Breezy, with a south southeast wind around 22 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Christmas Day
Rain and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 4pm, then rain after 4pm. High near 55. Breezy, with a south wind 21 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain and possibly a thunderstorm. Steady temperature around 51. South wind 16 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 52. South southeast wind 15 to 18 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
A 50 percent chance of rain. Mostly cloudy, with a low around 43. South wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
A slight chance of rain. Partly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nut Tree Airport CA
 38.39°N 121.94°W (Elev. 89 ft)
Last Update:
1:21 pm PST Dec 24, 2025
Forecast Valid:
10pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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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