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

Livermore, Livermore Municipal Airport (KLVK)

Lat: 37.69278°NLon: 121.81444°WElev: 397.0ft.

Rain

55°F

13°C

Humidity 87%
Wind Speed SSW 10 MPH
Barometer 29.58 in (1001.69 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 24 Dec 05:55 AM PST
Extended Forecast for

5 Miles E Livermore CA

Flood Watch December 24, 06:19am until December 26, 10:00pm
Wind Advisory December 24, 08:00pm until December 25, 10:00am
Wind Advisory December 24, 06:19am until December 24, 08:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
...
  •  
    Flood Watch December 24, 06:19am until December 26, 10:00pm
    Wind Advisory December 24, 06:19am until December 24, 08:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 53 °F

    Showers and
    Patchy Fog

  • Tonight

    Tonight: Showers, with thunderstorms also possible after 4am.  Steady temperature around 53. South southeast wind 13 to 18 mph becoming east 7 to 12 mph. Winds could gust as high as 39 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers

  • Christmas Day

    Christmas Day: Showers and possibly a thunderstorm.  High near 52. Breezy, with a south wind 22 to 29 mph, with gusts as high as 55 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 46. South southwest wind around 18 mph, with gusts as high as 34 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

    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 4pm.  High near 50. South wind 15 to 18 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms, mainly between 10pm and 4am.  Mostly cloudy, with a low around 42. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 10am.  Mostly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog before 9pm. Patchy frost after 4am.  Otherwise, mostly clear, with a low around 36.

    Low: 36 °F

    Patchy Fog
    then Patchy
    Frost

Detailed Forecast

Today
Showers, mainly before 1pm. Patchy fog between 10am and 11am. Steady temperature around 53. South wind 7 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, with thunderstorms also possible after 4am. Steady temperature around 53. South southeast wind 13 to 18 mph becoming east 7 to 12 mph. Winds could gust as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Christmas Day
Showers and possibly a thunderstorm. High near 52. Breezy, with a south wind 22 to 29 mph, with gusts as high as 55 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. Low around 46. South southwest wind around 18 mph, with gusts as high as 34 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, with thunderstorms also possible after 4pm. High near 50. South wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms, mainly between 10pm and 4am. Mostly cloudy, with a low around 42. 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 before 10am. Mostly sunny, with a high near 48.
Saturday Night
Patchy fog before 9pm. Patchy frost after 4am. Otherwise, mostly clear, with a low around 36.
Sunday
Patchy fog before 11am. Patchy frost before 8am. Otherwise, sunny, with a high near 48.
Sunday Night
Patchy fog after 5am. Patchy frost after 5am. Otherwise, mostly clear, with a low around 36.
Monday
Areas of fog. Patchy frost. Otherwise, mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Areas of fog. Otherwise, mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Livermore CA
 37.69°N 121.67°W (Elev. 823 ft)
4:29 am PST Dec 24, 2025
6am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

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