Big changes coming tomorrow [Tuesday] and the remainder of the week as high pressure over Arizona expands west into Southern California,' the weather service warns.

A brutal heat wave across the eastern United States trapped millions of people in sweltering air this week with record-high ...

Boston is on the verge of a second heat wave with temperatures back into the 90s and high humidity prompting afternoon ...

What to expect: In the desert, highs will be from 102 to 118 degrees. Inland, temperatures could climb as high as 104. Along ...

As previous disasters have laid bare the US’ vulnerabilities to other types of extreme weather, this week is revealing ...

Four people died in Spain, two in France and two in Italy as an early summer heat wave continues to grip much of Europe this ...

The 739 deaths in 1995 was the deadliest weather event in Illinois history and redefined Chicago’s emergency response and ...

Climate risk models, which are widely used in the insurance industry, can estimate the likelihood that fires or floods will ...

Temperatures climbed above 100 degrees Fahrenheit across parts of Europe, creating health concerns and causing landmarks to ...