Record-smashing daytime temperatures near 100 degrees are expected for millions from the Plains to the East Coast this week, ...

St. Louis, Chicago and Des Moines were among the cities that saw heat indexes hit triple digits on Saturday, with the East ...

More than 150 million Americans are under the highest-level extreme heat alerts during a wave of above-average temperatures.

The city's outdoor pools opened for the summer on Saturday, coinciding with the year's first major heat wave. Eager residents ...

Tens of millions of people across the Midwest and East endured dangerously hot temperatures again on Sunday as a rare June ...

A large dome of high pressure anchored over the eastern half of the country is bringing sweltering heat and strong winds to ...

Pride Fest is upon us once again and this year, it coincided with the area’s first heat wave of the season. Despite the hot ...

The dangerous heat wave continues Sunday around Chicagoland, with heat index values near 110 in some locations.

Saturday set a new highest minimum temperature for a June 21 in Chicago. Sunday and Monday could see new record high ...

Dangerous Midwest, Northeast heat wave brings hottest weather of year so far in Chicago and New York—hydration, cooling ...