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

The head index is expected to reach around 105 and an extreme heat warning is in effect until Monday, according to the ...

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

A heat wave is moving in, with over 100 million people from the Midwest to the Northeast on alert for life-threatening heat ...

A dangerous, record-breaking heat wave will spread over the eastern United States and is expected to last several days.

States in the Midwest and Northeast could reach record temperatures in the coming days: Here’s where and when.

With an Extreme Heat Warning starting Saturday morning and a weekend full of events, heatstroke and heat exhaustion are real ...

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

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

Relief from the extreme heat facing the Chicago area remains several days away as advisories and warnings remain in effect.

Cities across the eastern and central United States are bracing for more days of extreme temperatures as a unusual June heat ...