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

41°F

5°C

Humidity 97%
Wind Speed SE 25 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill31°F (-1°C)
Last update 17 Nov 01:53 PM PST
Extended Forecast for

Mount Wilson CA

Winter Weather Advisory until November 18, 10:00pm
Wind Advisory until November 17, 09:00pm
Flood Advisory until November 17, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory
Wind Advisory
Flood Advisory
  •  
    Winter Weather Advisory until November 18, 10:00pm
    Wind Advisory until November 17, 09:00pm
    Flood Advisory until November 17, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 46 °F

    Rain

  • Tonight

    Tonight: Rain showers before 4am, then a slight chance of snow showers. Some thunder is also possible. Low around 37. West southwest wind around 10 mph becoming south after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 37 °F

    Showers then
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A slight chance of snow showers before 10am, then a chance of rain showers. Some thunder is also possible. Mostly sunny, with a high near 42. East southeast wind around 5 mph becoming south in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 38. South wind around 5 mph becoming north northeast after midnight.

    Low: 38 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 44. North northeast wind around 5 mph becoming calm in the morning.

    High: 44 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 10am. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 10pm. Cloudy, with a low around 41.

    Low: 41 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Rain. High near 46. South southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain showers before 4am, then a slight chance of snow showers. Some thunder is also possible. Low around 37. West southwest wind around 10 mph becoming south after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday
A slight chance of snow showers before 10am, then a chance of rain showers. Some thunder is also possible. Mostly sunny, with a high near 42. East southeast wind around 5 mph becoming south in the afternoon. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night
A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 38. South wind around 5 mph becoming north northeast after midnight.
Wednesday
Sunny, with a high near 44. North northeast wind around 5 mph becoming calm in the morning.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
A 30 percent chance of showers after 10am. Mostly cloudy, with a high near 46.
Thursday Night
Showers likely, mainly after 10pm. Cloudy, with a low around 41.
Friday
A chance of showers. Partly sunny, with a high near 45.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Wilson CA
 34.22°N 118.06°W (Elev. 5180 ft)
Last Update:
1:46 pm PST Nov 17, 2025
Forecast Valid:
2pm PST Nov 17, 2025-6pm PST Nov 23, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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