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 >

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

5 Miles NE San Martin CA

Flood Watch December 24, 09:12pm until December 26, 10:00pm
Wind Advisory until December 25, 10:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
  •  
    Flood Watch December 24, 09:12pm until December 26, 10:00pm
    Wind Advisory until December 25, 10:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 48 °F

    Showers and
    Windy

  • Christmas Day

    Christmas Day: Showers.  High near 50. Breezy, with a south southwest wind 20 to 22 mph, with gusts as high as 44 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 50 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 41. Breezy, with a south southwest wind 18 to 26 mph, with gusts as high as 46 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Showers and
    Breezy

  • Friday

    Friday: Showers.  High near 49. South southwest wind around 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 10pm.  Mostly cloudy, with a low around 37. South wind around 6 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers.  Mostly sunny, with a high near 50.

    High: 50 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 3am.  Otherwise, mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear
    then Frost

  • Sunday

    Sunday: Widespread frost, mainly before 7am.  Otherwise, sunny, with a high near 51.

    High: 51 °F

    Frost then
    Sunny

Detailed Forecast

Tonight
Showers, with thunderstorms also possible after 10pm. Steady temperature around 48. Windy, with a south wind 24 to 30 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Christmas Day
Showers. High near 50. Breezy, with a south southwest wind 20 to 22 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Showers and possibly a thunderstorm. Low around 41. Breezy, with a south southwest wind 18 to 26 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers. High near 49. South southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 37. South wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 50.
Saturday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 31.
Sunday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 51.
Sunday Night
Widespread frost, mainly after 3am. Otherwise, clear, with a low around 32.
Monday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE San Martin CA
 37.14°N 121.53°W (Elev. 2631 ft)
4:56 pm PST Dec 24, 2025
9pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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