CHICAGO (WLS) -- There is a chance of severe weather Wednesday afternoon. Wednesday will be very hot and humid, with highs in the low 90s. Between about 3 and 8 p.m., strong to severe storms are ...

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

An Air Quality Alert remains in effect until midnight Tuesday night for several Chicago-area counties. Here's what to know.

Northern California county warns of ‘thick, poisonous smoke,' declares emergency Rick Springfield Calls Out ‘Today Show' ...

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.

A storm system could bring supercell thunderstorms, gusty winds and even the chance of tornadoes to the Chicago area Wednesday.

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

The Indiana Department of Environmental Management said Northwest Indiana’s ozone levels are expected to be unhealthy for ...

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.