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

Stockton, Stockton Metropolitan Airport (KSCK)

Lat: 37.88972°NLon: 121.22361°WElev: 30.0ft.

Mostly Cloudy

59°F

15°C

Humidity 82%
Wind Speed SE 20 MPH
Barometer 29.67 in (1004.74 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 25 Dec 12:30 AM PST
Extended Forecast for

Tracy CA

Flood Watch December 25, 12:47am until December 26, 04:00pm
High Wind Warning December 25, 12:47am until December 25, 04:00pm
Click here for hazard details and duration
Flood Watch
High Wind Warning
  •  
    Flood Watch December 25, 12:47am until December 26, 04:00pm
    High Wind Warning December 25, 12:47am until December 25, 04:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 55 °F

    Showers and
    Breezy

  • Christmas Day

    Christmas Day: Rain and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then rain after 4pm. High near 59. Breezy, with a south wind 20 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm. Low around 50. South wind 16 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Rain

  • Friday

    Friday: Rain. High near 55. South southeast wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 46. South wind around 6 mph.

    Low: 46 °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 39.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

Overnight
Rain, mainly before 4am, then showers and possibly a thunderstorm after 4am. Low around 55. Breezy, with a southeast wind around 23 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Christmas Day
Rain and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then rain after 4pm. High near 59. Breezy, with a south wind 20 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Rain and possibly a thunderstorm. Low around 50. South wind 16 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Rain. High near 55. South southeast wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 46. South wind around 6 mph.
Saturday
Partly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
A slight chance of rain. Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tracy CA
 37.75°N 121.43°W (Elev. 39 ft)
Last Update:
1:21 pm PST Dec 24, 2025
Forecast Valid:
12am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation