excessive heat-warning

A derecho has the US hot and bothered – here's what it is

Several area schools adjusting schedule due to extreme heat

Heat wave hanging around: Another day of dangerous temps on tap

At least 28 dead due to extreme heat in past week in US, mostly in Calif

August heat wave hitting Chicago: Ways to stay cool

Heat wave is here: How hot will it be?

Record-setting late August heat wave ready to hit

Chicago area continues to ride heat wave; Potentially dangerous conditions expected next 2 days

European heatwave has killed 1,700 people and just melted an airport tarmac

Ask the Expert: What can we expect from our overworked air conditioners?