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

Hazardous Weather Conditions

Current conditions at

CHILAO (CHOC1)

Lat: 34.33167°NLon: 118.03028°WElev: 5450.0ft.

NA

34°F

1°C

Humidity 87%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 18 Feb 02:53 PM PST
Extended Forecast for

8 Miles NNW Altadena CA

Winter Storm Warning February 18, 03:56pm until February 20, 07:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 18, 03:56pm until February 20, 07:00am

    NOW until 7:00am Fri

    Winter Storm Warning

  • This Afternoon

    High: 48 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Wind chill values as low as 25. Northwest wind around 10 mph becoming west southwest after midnight.

    Low: 35 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Rain. High near 48. Wind chill values as low as 30 early. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 48 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Wind chill values as low as 25. Northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 34 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 51. North wind around 5 mph becoming west southwest in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 48. West wind around 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 35. Wind chill values as low as 25. Northwest wind around 10 mph becoming west southwest after midnight.
Thursday
Rain. High near 48. Wind chill values as low as 30 early. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Wind chill values as low as 25. Northwest wind around 15 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 51. North wind around 5 mph becoming west southwest in the afternoon.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 51.
Monday
A slight chance of rain. Partly sunny, with a high near 68.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 55.
Tuesday
A chance of rain. Mostly cloudy, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Altadena CA
 34.29°N 118.19°W (Elev. 2566 ft)
Last Update:
1:07 pm PST Feb 18, 2026
Forecast Valid:
3pm PST Feb 18, 2026-6pm PST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation