CHICAGO—Cheryl Johnson was watching the news during the worst heat wave in her city’s history when she learned that a man she’d known since she was a child had been found dead on the steps of a church ...

From July 12 to 15 in 1995, the heat index soared above 120 degrees, killing 739 people in the deadliest natural disaster in ...

Where humidity will soon decrease On Thursday, humidity levels will be comfortable — and much lower than they’ve recently ...

Chicago cools off today before storms this weekend and a scorching heat wave next week that may bring the hottest weather of the season.

Chicago commemorates the 1995 Heat Wave victims and honors WWII hero Emilio Aguirre with initiatives for future heat ...

The National Weather service around midday issued a Severe Thunderstorm Watch for the area ahead of a round of potentially severe weather on Wednesday night.

When you hear of a live event being canceled due to inclement weather, you more than likely assume lightning and rain were the culprits.

Tool shows history of heat-related deaths, demographics, land use and air conditioning access across communities.

Anna Davlantes, WGN Radio’s investigative correspondent, joins Bob Sirott to share what happened this week in Chicago history. Stories include Chicago’s deadly heatwave, the debut of Taste ...