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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

Marysville, Yuba County Airport (KMYV)

Lat: 39.09778°NLon: 121.56972°WElev: 62.0ft.

rain,mist

55°F

13°C

Humidity 93%
Wind Speed SE 13 MPH
Barometer 29.65 in (1004.06 mb)
Dewpoint 54°F (12°C)
Visibility 4.00 mi
Last update 23 Dec 08:20 PM PST
Extended Forecast for

South Yuba City CA

Flood Watch December 23, 08:44pm until December 26, 04:00pm
High Wind Warning until December 25, 04:00pm
Click here for hazard details and duration
Flood Watch
High Wind Warning
  •  
    Flood Watch December 23, 08:44pm until December 26, 04:00pm
    High Wind Warning until December 25, 04:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 59 °F

    Rain and
    Breezy

  • Wednesday

    Wednesday: Rain likely, then showers and possibly a thunderstorm after 4pm. High near 59. South southeast wind 13 to 21 mph, with gusts as high as 32 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

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm before 1am, then showers and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 53. Breezy, with a south southeast wind 18 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Showers and
    Breezy

  • Christmas Day

    Christmas Day: Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 54. Breezy, with a south wind 21 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 54 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then rain after 1am. Low around 49. South southeast wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.

    Low: 49 °F

    Showers

  • Friday

    Friday: Rain. High near 51. Chance of precipitation is 90%.

    High: 51 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

Tonight
Rain. Steady temperature around 59. Breezy, with a south southeast wind 17 to 22 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, then showers and possibly a thunderstorm after 4pm. High near 59. South southeast wind 13 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain and possibly a thunderstorm before 1am, then showers and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 53. Breezy, with a south southeast wind 18 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Christmas Day
Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 54. Breezy, with a south wind 21 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 1am, then rain after 1am. Low around 49. South southeast wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%.
Friday
Rain. High near 51. Chance of precipitation is 90%.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Yuba City CA
 39.12°N 121.63°W (Elev. 49 ft)
Last Update:
1:36 pm PST Dec 23, 2025
Forecast Valid:
8pm PST Dec 23, 2025-6pm PST Dec 30, 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