California is forecast to begin August the same way July ended: mild, at least relative to recent summers. But that ...

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A heat wave is expected to start Wednesday and last through Saturday. The peak is expected Thursday with temperatures hitting ...

Big changes [are] coming ... as high pressure over Arizona expands west into Southern California,' the weather service warns.

Southern California was feeling the effects of a mini heat wave, with temperatures expected to climb about 5 to 10 degrees ...

UCLA researchers have released an alarming new finding — the duration of heat waves is increasing faster than global warming ...

A high-pressure system is set to envelop Southern California, promising a wave of warmth that could push temperatures to ...

Residents and businesses in Bowmanville, Ont., in Durham Region were told to discontinue all non-essential indoor and outdoor ...

A heat wave is expected in parts of Alberta this week, with some areas of the province forecasted to potentially hit ...

Much of the U.S. is under extreme heat warnings or advisories while New York, Philadelphia and Washington could feel like 100 degrees or more.

Temperatures soar up to 110 degrees while winds pick up and blow around wildfire smoke. Here's what to know about Redding ...

Three Democratic lawmakers have proposed legislation to classify extreme heat as a disaster, which would allow federal ...