Now that the Primetime Emmy Awards nominations have been announced, you’ve got two months to catch up on some of the year’s ...

CHICAGO - Today is warm with an air quality alert in effect. Sensitive groups should take it easy again as we have elevated ozone levels close to the ground. Highs will be around 90 this afternoon.

Strong storms are expected throughout Illinois this week. Here's what's predicted in the north, central, and southern regions of the state.

An air quality alert in the Chicago area will stretch into a third day as pollutants continue to linger in the air at high ...

Chicago faces a heat wave with poor air quality due to wildfire smoke and ozone; temperatures may hit mid-90s.

Texas. North Carolina. Illinois. New Mexico. Flash flooding has surged into the spotlight in the last week with ...

Every year, billions of birds undertake intrepid journeys between temperate regions in North America and their tropical ...

Chicago faces poor air quality and sweltering heat today and tomorrow, followed by scattered storms heading into the weekend.

CHICAGO (WLS) -- Extreme temperatures during the summer of 1995 caught Chicago off guard. A relentless heat wave settled over the city, and with no clear emergency plan, the response fell dangerously ...

Chicago heat wave, which took place 30 years ago this week, remains the Chicago area's deadliest weather disaster.