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

LOS GATOS (LSGC1)

Lat: 37.20417°NLon: 121.95083°WElev: 1842.0ft.

NA

49°F

9°C

Humidity 90%
Wind Speed S 26 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 25 Dec 09:32 AM PST
Extended Forecast for

9 Miles WNW Morgan Hill CA

Flood Watch December 25, 10:43am until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch December 25, 10:43am until December 26, 10:00pm

    NOW until 10:00pm Fri

    Flood Watch

  • Christmas Day

    High: 54 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Rain and possibly a thunderstorm. Some of the storms could be severe.  Low around 47. South wind 14 to 21 mph becoming east after midnight. Winds could gust as high as 37 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Severe
    Thunderstorms
    then Rain

  • Friday

    Friday: Rain.  High near 52. South southeast wind 11 to 15 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 42. South wind around 6 mph becoming west after midnight.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain.  Partly sunny, with a high near 51. North northwest wind 6 to 8 mph.

    High: 51 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Patchy frost after 4am.  Otherwise, mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 8am.  Otherwise, sunny, with a high near 53.

    High: 53 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 4am.  Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Clear then
    Patchy Frost

Detailed Forecast

Christmas Day
Showers and possibly a thunderstorm before 4pm, then rain after 4pm. Some of the storms could be severe. High near 54. South wind 18 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain and possibly a thunderstorm. Some of the storms could be severe. Low around 47. South wind 14 to 21 mph becoming east after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Rain. High near 52. South southeast wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42. South wind around 6 mph becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 51. North northwest wind 6 to 8 mph.
Saturday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 37.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 53.
Sunday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 36.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 61.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Morgan Hill CA
 37.19°N 121.77°W (Elev. 600 ft)
8:59 am PST Dec 25, 2025
10am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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