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

40°F

4°C

Humidity 91%
Wind Speed SSE 34 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Wind Chill28°F (-2°C)
Last update 25 Dec 08:53 AM PST
Extended Forecast for

Mount Wilson CA

Flood Watch December 25, 09:01am until December 26, 04:00pm
High Wind Warning December 25, 09:01am until December 25, 03:00pm
Click here for hazard details and duration
Flood Watch
High Wind Warning
  •  
    Flood Watch December 25, 09:01am until December 26, 04:00pm
    High Wind Warning December 25, 09:01am until December 25, 03:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Christmas Day

    High: 44 °F

    Showers

  • Tonight

    Tonight: Showers. The rain could be heavy at times. Low around 43. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 43 °F

    Heavy Rain

  • Friday

    Friday: Showers. The rain could be heavy at times. High near 43. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 43 °F

    Heavy Rain

  • Friday Night

    Friday Night: Rain showers likely before 4am, then a slight chance of snow showers. Mostly cloudy, with a low around 39. West southwest wind around 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 39 °F

    Showers
    Likely then
    Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of snow showers before 10am, then a slight chance of rain showers. Mostly sunny, with a high near 43. Northwest wind around 5 mph becoming west southwest in the morning. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Christmas Day
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. High near 44. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers. The rain could be heavy at times. Low around 43. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Friday
Showers. The rain could be heavy at times. High near 43. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Friday Night
Rain showers likely before 4am, then a slight chance of snow showers. Mostly cloudy, with a low around 39. West southwest wind around 5 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
A slight chance of snow showers before 10am, then a slight chance of rain showers. Mostly sunny, with a high near 43. Northwest wind around 5 mph becoming west southwest in the morning. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 55.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Wednesday
A chance of showers. Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Wilson CA
 34.22°N 118.06°W (Elev. 5180 ft)
Last Update:
6:57 am PST Dec 25, 2025
Forecast Valid:
9am PST Dec 25, 2025-6pm PST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation