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

Watsonville, Watsonville Municipal Airport (KWVI)

Lat: 36.93944°NLon: 121.78889°WElev: 161.0ft.

heavy rain,mist

61°F

16°C

Humidity 87%
Wind Speed SSW 13 MPH
Barometer 29.59 in (1002.03 mb)
Dewpoint 57°F (14°C)
Visibility 3.00 mi
Last update 24 Dec 04:10 AM PST
Extended Forecast for

Interlaken CA

Flood Watch December 25, 12:47pm until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 25, 12:47pm until December 26, 10:00pm

    NOW until 10:00pm Fri

    Flood Watch

  • Christmas Day

    High: 58 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 1am, then showers likely. Some of the storms could be severe. Low around 48. South southwest wind 8 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Severe
    Thunderstorms

  • Friday

    Friday: Showers likely, mainly after 3pm. Mostly cloudy, with a high near 57. South southeast wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 45. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A 20 percent chance of showers. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 56. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 56 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

Detailed Forecast

Christmas Day
Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then a chance of showers after 4pm. Some of the storms could be severe. Mostly cloudy, with a high near 58. South wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 1am, then showers likely. Some of the storms could be severe. Low around 48. South southwest wind 8 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers likely, mainly after 3pm. Mostly cloudy, with a high near 57. South southeast wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of showers and thunderstorms. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 45. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 20 percent chance of showers. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 56. Calm wind becoming north northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 57.
Sunday Night
Clear, with a low around 38.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Interlaken CA
 36.95°N 121.74°W (Elev. 62 ft)
Last Update:
12:26 pm PST Dec 25, 2025
Forecast Valid:
12pm 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