Today is warm with an air quality alert in effect. Sensitive groups should take it easy again as we have elevated ozone ...

Sensitive groups are advised to stay indoors and limit outdoor activities as pollution and ozone levels spike to unhealthy ...

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 ...

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

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

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.

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

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

The Chicago Park District said their internal investigation of a lifeguard charged with murder for the shooting of two teen boys in Douglass Park revealed some previous conflicts with visitors and ...