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

Hazardous Weather Conditions

Current conditions at

WHITTIER HILLS (WTHC1)

Lat: 33.984°NLon: 118.00943°WElev: 950.0ft.

NA

83°F

28°C

Humidity 52%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 64°F (18°C)
Visibility NA
Heat Index84°F (29°C)
Last update 26 Aug 08:57 PM PDT
Extended Forecast for

Montebello CA

Extreme Heat Warning August 26, 09:49pm until August 28, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 26, 09:49pm until August 28, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 74 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Mostly cloudy and hot, with a high near 103. Heat index values as high as 108. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 103 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 76. West southwest wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 103. Heat index values as high as 109. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 103 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. Southwest wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 69.

    Low: 69 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy and hot, with a high near 103. Heat index values as high as 108. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 76. West southwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny and hot, with a high near 103. Heat index values as high as 109. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 75. Southwest wind 5 to 10 mph.
Saturday
Sunny and hot, with a high near 99.
Saturday Night
Clear, with a low around 69.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 87.
Monday Night
A slight chance of showers. Mostly clear, with a low around 65.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 88.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 67.
Wednesday
A slight chance of showers. Partly sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montebello CA
 34.01°N 118.1°W (Elev. 184 ft)
Last Update:
11:26 am PDT Aug 26, 2026
Forecast Valid:
9pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
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