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

WHISKEYTOWN HQ#2 (OBRC1)

Lat: 40.61051°NLon: 122.52731°WElev: 1360.0ft.

NA

51°F

11°C

Humidity 79%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 24 Dec 06:00 PM PST
Extended Forecast for

Central Valley CA

Flood Watch December 24, 07:13pm until December 26, 04:00pm
High Wind Warning December 24, 07:13pm until December 25, 04:00pm
Click here for hazard details and duration
Flood Watch
High Wind Warning
  •  
    Flood Watch December 24, 07:13pm until December 26, 04:00pm
    High Wind Warning December 24, 07:13pm until December 25, 04:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 50 °F

    Rain and
    Breezy

  • Christmas Day

    Christmas Day: Rain, mainly before 1pm, then showers and possibly a thunderstorm after 1pm. High near 49. Breezy, with a south southeast wind 20 to 26 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 49 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Rain. Low around 43. South wind around 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Rain

  • Friday

    Friday: Rain. High near 47. South southeast wind 15 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 47 °F

    Rain

  • Friday Night

    Friday Night: Rain, mainly before 10pm. Low around 37. Light and variable wind. Chance of precipitation is 80%.

    Low: 37 °F

    Rain then
    Chance Rain

  • Saturday

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

    High: 49 °F

    Slight Chance
    Rain then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Tonight
Rain, mainly after 8pm. Steady temperature around 50. Breezy, with a south southeast wind 11 to 16 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Christmas Day
Rain, mainly before 1pm, then showers and possibly a thunderstorm after 1pm. High near 49. Breezy, with a south southeast wind 20 to 26 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 43. South wind around 16 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Rain. High near 47. South southeast wind 15 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Rain, mainly before 10pm. Low around 37. Light and variable wind. Chance of precipitation is 80%.
Saturday
A 20 percent chance of rain before 10am. Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Central Valley CA
 40.69°N 122.39°W (Elev. 1001 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

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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