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 (HSEC1)

Lat: 36.8422°NLon: 121.36216°WElev: 404.0ft.

NA

59°F

15°C

Humidity 74%
Wind Speed SSE 5 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 24 Dec 07:13 PM PST
Extended Forecast for

Hollister CA

Flood Watch December 24, 07:37pm until December 26, 10:00pm
High Wind Warning December 24, 08:00pm until December 25, 10:00am
Click here for hazard details and duration
Flood Watch
High Wind Warning
  •  
    Flood Watch December 24, 07:37pm until December 26, 10:00pm

    NOW until 10:00pm Fri

    Flood Watch

  • Tonight

    Low: 51 °F

    Showers and
    Windy

  • Christmas Day

    Christmas Day: Showers. High near 58. Breezy, with a south wind 23 to 28 mph decreasing to 14 to 19 mph in the morning. Winds could gust as high as 47 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 46. Windy, with a south wind 25 to 30 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers and
    Windy

  • Friday

    Friday: Showers. High near 57. South wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 42. Light south southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Showers
    Likely then
    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A 20 percent chance of showers. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Patchy fog after 1am. Patchy frost after 3am. Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Patchy frost before 8am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 51. Windy, with a south southeast wind 17 to 22 mph increasing to 26 to 31 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Christmas Day
Showers. High near 58. Breezy, with a south wind 23 to 28 mph decreasing to 14 to 19 mph in the morning. Winds could gust as high as 47 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm. Low around 46. Windy, with a south wind 25 to 30 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers. High near 57. South wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely, mainly before 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 42. Light south southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of showers. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 55.
Saturday Night
Patchy fog after 1am. Patchy frost after 3am. Otherwise, mostly clear, with a low around 35.
Sunday
Patchy fog before 10am. Patchy frost before 8am. Otherwise, sunny, with a high near 56.
Sunday Night
Patchy frost after 2am. Otherwise, clear, with a low around 35.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 59.
Monday Night
Patchy frost. Otherwise, mostly clear, with a low around 37.
Tuesday
Areas of frost. Otherwise, sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Hollister CA
 36.84°N 121.4°W (Elev. 285 ft)
Last Update:
4:56 pm PST Dec 24, 2025
Forecast Valid:
7pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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Chance of Precipitation