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

San Jose / Reid / Hillv (KRHV)

Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.

Mostly Cloudy

64°F

18°C

Humidity 63%
Wind Speed SE 26 MPH
Barometer 29.59 in (1002.03 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 23 Dec 09:50 PM PST
Extended Forecast for

San Jose CA

Flood Watch December 24, 06:45am until December 26, 10:00pm
Wind Advisory December 24, 08:00pm until December 25, 10:00am
Wind Advisory December 24, 06:45am until December 24, 08:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
...
  •  
    Flood Watch December 24, 06:45am until December 26, 10:00pm
    Wind Advisory December 24, 06:45am until December 24, 08:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 61 °F

    Showers
    Likely and
    Patchy Fog
    then Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 1am, then showers between 1am and 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could be severe. Low around 50. Southeast wind 14 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 50 °F

    Severe
    Thunderstorms

  • Christmas Day

    Christmas Day: Showers and possibly a thunderstorm. Some of the storms could be severe. Patchy fog between 9am and 10am. High near 58. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Severe
    Thunderstorms
    and Patchy
    Fog then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 46. South wind 13 to 18 mph, with gusts as high as 36 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

  • Friday

    Friday: Showers. High near 55. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Patchy fog. Otherwise, mostly cloudy, with a low around 41. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

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

    High: 55 °F

    Slight Chance
    Showers and
    Areas Fog

  • Saturday Night

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

    Low: 36 °F

    Patchy Fog
    then Patchy
    Frost and
    Areas Fog

Detailed Forecast

Today
Showers likely, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe. Patchy fog between 8am and 10am. High near 61. Light and variable wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 1am, then showers between 1am and 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could be severe. Low around 50. Southeast wind 14 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Christmas Day
Showers and possibly a thunderstorm. Some of the storms could be severe. Patchy fog between 9am and 10am. High near 58. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 33 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. South wind 13 to 18 mph, with gusts as high as 36 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. High near 55. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Patchy fog. Otherwise, mostly cloudy, with a low around 41. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 20 percent chance of showers. Areas of fog before noon. Otherwise, mostly sunny, with a high near 55.
Saturday Night
Patchy fog. Patchy frost after 4am. Otherwise, mostly clear, with a low around 36.
Sunday
Areas of fog before 10am. Patchy frost before 7am. Otherwise, sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Jose CA
 37.29°N 121.86°W (Elev. 157 ft)
Last Update:
4:29 am PST Dec 24, 2025
Forecast Valid:
6am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation