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Hazardous Weather Conditions

Extreme Heat Warning until September 10, 08:00 PM PDT

Current conditions at

Ontario International Airport (KONT)

Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.

Clear

88°F

31°C

Humidity	40%
Wind Speed	N 0 MPH
Barometer	29.97 in (1014.9 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	10 Sep 09:35 AM PDT

More Information:

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

Extended Forecast for

Ontario CA

Extreme Heat Warning September 10, 09:58am until September 10, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning September 10, 09:58am until September 10, 08:00pm
NOW until 8:00pm Thu
Extreme Heat Warning
Today
High: 104 °F
Sunny
Tonight
Low: 73 °F
Mostly Clear
Friday
High: 96 °F
Sunny
Friday Night
Low: 69 °F
Mostly Clear
Saturday
High: 88 °F
Sunny
Saturday Night
Low: 64 °F
Clear
Sunday
High: 85 °F
Sunny
Sunday Night
Low: 64 °F
Clear

Detailed Forecast

Today

Sunny, with a high near 104. Heat index values as high as 110. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Tonight

Mostly clear, with a low around 73. West wind 5 to 10 mph becoming south after midnight.

Friday

Sunny, with a high near 96. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

Friday Night

Mostly clear, with a low around 69. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday

Sunny, with a high near 88. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Saturday Night

Clear, with a low around 64.

Sunday

Sunny, with a high near 85.