National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

LOS ANGELES DOWNTOWN (FHMC1)

Lat: 34.06778°NLon: 118.24167°WElev: 413.0ft.

NA

59°F

15°C

Humidity 98%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Last update 24 Dec 06:55 PM PST
Extended Forecast for

Altadena CA

Flood Watch December 24, 07:13pm until December 26, 04:00pm
Wind Advisory December 24, 07:13pm until December 25, 03:00pm
Flood Warning until December 25, 06:00am
Click here for hazard details and duration
Flood Watch
Wind Advisory
Flood Warning
  •  
    Flood Watch December 24, 07:13pm until December 26, 04:00pm
    Wind Advisory December 24, 07:13pm until December 25, 03:00pm
    Flood Warning until December 25, 06:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 51 °F

    Showers

  • Christmas Day

    Christmas Day: Showers and possibly a thunderstorm. High near 60. South southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 60 °F

    Showers

  • Thursday Night

    Thursday Night: Showers. Low around 51. South southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 51 °F

    Showers

  • Friday

    Friday: Showers. High near 57. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    High: 57 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 44. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 10am. Mostly sunny, with a high near 59.

    High: 59 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Tonight
Showers. Low around 51. South southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Christmas Day
Showers and possibly a thunderstorm. High near 60. South southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
Showers. Low around 51. South southeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Friday
Showers. High near 57. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Friday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 44. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 30 percent chance of showers, mainly before 10am. Mostly sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 49.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 68.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 52.
Wednesday
A chance of showers. Partly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Altadena CA
 34.18°N 118.14°W (Elev. 1253 ft)
Last Update:
5:37 pm PST Dec 24, 2025
Forecast Valid:
7pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation