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

Hollister, CA (KCVH)

Lat: 36.8933°NLon: 121.4103°WElev: 229.0ft.

Partly Cloudy

63°F

17°C

Humidity 77%
Wind Speed SSE 39 MPH
Barometer 29.52 in (999.66 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 Dec 01:35 AM PST
Extended Forecast for

2 Miles S San Juan Bautista CA

Flood Watch December 24, 06:01am until December 26, 10:00pm
Wind Advisory December 24, 08:00pm until December 25, 10:00am
Wind Advisory December 24, 06:01am until December 24, 08:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
...
  •  
    Flood Watch December 24, 06:01am until December 26, 10:00pm
    Wind Advisory December 24, 06:01am until December 24, 08:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 58 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then showers between 3am and 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could be severe. Steady temperature around 54. Breezy, with a south wind 13 to 23 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Breezy.
    Showers
    Likely then
    Severe
    Thunderstorms

  • Christmas Day

    Christmas Day: Showers and possibly a thunderstorm. Some of the storms could be severe. High near 55. South wind 13 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Severe
    Thunderstorms
    then Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 46. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Severe
    Thunderstorms
    and Breezy

  • Friday

    Friday: Showers, with thunderstorms also possible after 4pm. High near 52. South southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 7pm, then showers likely between 7pm and 10pm, then a chance of showers and thunderstorms after 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 43. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers
    Likely then
    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 10am. Areas of fog before noon. Otherwise, mostly sunny, with a high near 53.

    High: 53 °F

    Chance
    Showers and
    Areas Fog

  • Saturday Night

    Saturday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Today
Showers, with thunderstorms also possible after 4pm. High near 58. South southwest wind 7 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 3am, then showers between 3am and 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could be severe. Steady temperature around 54. Breezy, with a south wind 13 to 23 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Christmas Day
Showers and possibly a thunderstorm. Some of the storms could be severe. High near 55. South wind 13 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 46. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers, with thunderstorms also possible after 4pm. High near 52. South southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 7pm, then showers likely between 7pm and 10pm, then a chance of showers and thunderstorms after 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 43. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers, mainly before 10am. Areas of fog before noon. Otherwise, mostly sunny, with a high near 53.
Saturday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 37.
Sunday
Patchy fog before 10am. Otherwise, sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S San Juan Bautista CA
 36.82°N 121.54°W (Elev. 873 ft)
Last Update:
4:29 am PST Dec 24, 2025
Forecast Valid:
6am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation