Weather Warnings for Illinois

Current Watches, Warnings and Advisories for Illinois Issued by the National Weather Service
Alerts Updated: June 4, 2023, 5:01 pm  UTC

...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT CDT MONDAY NIGHT... The Illinois Environmental Protection Agency has determined that the Air Pollution Action Day designation will remain in effect for the greater Chicago Metropolitan Area through Monday night June 5th. An Air Pollution Action Day is declared when weather conditions are such that widespread ozone and or particulate levels are expected to