The National Weather Service issued Extreme Heat Watches and Flood Advisories throughout Illinois. Here's the forecast.

St. Louis faces an Extreme Heat Warning with a high near 97°F and heat index values up to 107, along with potential severe ...

Several central Illinois counties are under an Extreme Heat Watch, with NWS warning of "dangerously hot and humid conditions.

A vicious heatwave is spreading across the United States, with extreme heat alerts issues across multiple states including ...

NWS issues Extreme Heat Warning in St. Louis, advising precautions against high heat index values up to 116 degrees.

The conditions, including high humidity, could cause heat-related illnesses, according to the warning. “The long duration of ...

July is Extreme Heat Safety Month, and the Illinois Emergency Management Agency and Office of Homeland Security (IEMA-OHS) is asking everyone to understand the danger to you, your family, and your ...