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

WX6HNX-14 Mettler (AU491)

Lat: 35.05833°NLon: 119.08417°WElev: 492.0ft.

NA

59°F

15°C

Humidity 96%
Wind Speed E 2 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 24 Dec 09:41 AM PST
Extended Forecast for

14 Miles SW Lamont CA

Flood Watch December 24, 09:58am until December 26, 04:00pm
Wind Advisory December 24, 09:58am until December 25, 04:00pm
Flood Advisory December 24, 09:58am until December 24, 01:00pm
Click here for hazard details and duration
Flood Watch
Wind Advisory
Flood Advisory
  •  
    Flood Watch December 24, 09:58am until December 26, 04:00pm
    Wind Advisory December 24, 09:58am until December 25, 04:00pm
    Flood Advisory December 24, 09:58am until December 24, 01:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 59 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 49. East southeast wind around 10 mph becoming north after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Rain Likely

  • Christmas Day

    Christmas Day: Rain before 4pm, then showers and possibly a thunderstorm after 4pm. High near 60. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 10pm, then rain between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 49. Southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers

  • Friday

    Friday: Rain and possibly a thunderstorm before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. High near 56. North wind around 5 mph becoming east southeast in the morning. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Showers

  • Friday Night

    Friday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43. South wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly between 10am and 4pm. Partly sunny, with a high near 51. South wind around 5 mph becoming calm.

    High: 51 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 41. Northwest wind around 5 mph becoming calm.

    Low: 41 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Today
Rain. Steady temperature around 59. East wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 49. East southeast wind around 10 mph becoming north after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
Rain before 4pm, then showers and possibly a thunderstorm after 4pm. High near 60. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before 10pm, then rain between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 49. Southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Rain and possibly a thunderstorm before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. High near 56. North wind around 5 mph becoming east southeast in the morning. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43. South wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 30 percent chance of rain, mainly between 10am and 4pm. Partly sunny, with a high near 51. South wind around 5 mph becoming calm.
Saturday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 41. Northwest wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 51. Calm wind.
Sunday Night
Partly cloudy, with a low around 38. South wind around 5 mph.
Monday
Partly sunny, with a high near 53. East southeast wind around 5 mph becoming calm in the morning.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 41. Southeast wind around 5 mph.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 56. Southeast wind around 5 mph becoming calm in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SW Lamont CA
 35.14°N 119.12°W (Elev. 302 ft)
Last Update:
8:57 am PST Dec 24, 2025
Forecast Valid:
9am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

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Chance of Precipitation