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Hazardous Weather Conditions

Current conditions at

WHITTIER HILLS (WTHC1)

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

75°F

24°C

Humidity	90%
Wind Speed	E 2 MPH
Barometer	NA
Dewpoint	72°F (22°C)
Visibility	NA
Last update	28 Aug 02:57 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles WNW Diamond Bar CASimilar City Names

Extreme Heat Warning August 28, 03:39am until August 28, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning August 28, 03:39am until August 28, 08:00pm
NOW until 8:00pm Fri
Extreme Heat Warning
Overnight
Low: 75 °F
Mostly Cloudy
Friday
High: 102 °F
Hot
Friday Night
Low: 72 °F
Mostly Clear
Saturday
High: 99 °F
Hot
Saturday Night
Low: 67 °F
Clear
Sunday
High: 91 °F
Sunny
Sunday Night
Low: 64 °F
Mostly Clear
Monday
High: 88 °F
Sunny

Detailed Forecast

Overnight

Mostly cloudy, with a low around 75. Calm wind.

Friday

Mostly cloudy, then gradually becoming sunny and hot, with a high near 102. Heat index values as high as 106. Light south wind becoming west southwest 5 to 10 mph in the afternoon.

Friday Night

Mostly clear, with a low around 72. Southwest wind 5 to 10 mph becoming light south southwest in the evening.

Saturday

Sunny and hot, with a high near 99. Light south southwest wind becoming west southwest 5 to 10 mph in the afternoon.

Saturday Night

Clear, with a low around 67. South southwest wind 5 to 10 mph.

Sunday

Sunny, with a high near 91.

Sunday Night

Mostly clear, with a low around 64.

Monday

Sunny, with a high near 88.