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

San Jose / Reid / Hillv (KRHV)

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

Mostly Cloudy

59°F

15°C

Humidity 77%
Wind Speed SSE 12 MPH
Barometer 29.68 in (1005.08 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 24 Dec 09:47 PM PST
Extended Forecast for

6 Miles SE Milpitas CA

Flood Watch December 24, 11:39pm 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, 11:39pm until December 26, 10:00pm
    Wind Advisory until December 25, 10:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 55 °F

    Severe
    Thunderstorms
    and Breezy

  • Christmas Day

    Christmas Day: Rain and possibly a thunderstorm before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain after 4pm. Some of the storms could be severe.  High near 56. Southeast wind around 17 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Severe
    Thunderstorms

  • Thursday Night

    Thursday Night: Rain before 7pm, then showers and possibly a thunderstorm between 7pm and 10pm, then rain likely after 10pm. Some of the storms could be severe.  Low around 48. South wind 13 to 21 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Severe
    Thunderstorms
    then Rain
    Likely

  • Friday

    Friday: Rain, mainly before 4pm.  High near 55. South wind 9 to 13 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

    Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 43. South wind 3 to 6 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance Rain
    then Slight
    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 10am.  Partly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

Tonight
Rain before 1am, then showers and possibly a thunderstorm after 1am. Some of the storms could be severe. Steady temperature around 55. Breezy, with a south southeast wind 22 to 26 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Christmas Day
Rain and possibly a thunderstorm before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain after 4pm. Some of the storms could be severe. High near 56. Southeast wind around 17 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain before 7pm, then showers and possibly a thunderstorm between 7pm and 10pm, then rain likely after 10pm. Some of the storms could be severe. Low around 48. South wind 13 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly before 4pm. High near 55. South wind 9 to 13 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
A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 43. South wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 54.
Sunday Night
Patchy frost after 5am. Otherwise, clear, with a low around 37.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Milpitas CA
 37.39°N 121.82°W (Elev. 381 ft)
11:27 pm PST Dec 24, 2025
11pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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Additional Resources

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