HomeWeather AlertsIllinoisCook County

Weather Alerts for Cook County, IL

Illinois

Cook County is a county in Illinois covering multiple cities and communities. This page tracks current active weather alerts issued for the area by the National Weather Service.

NWS Forecast Office: Weather alerts for this area are issued by the National Weather Service LOT office.

2 Currently Active Alerts for Cook County

Flood Warning
Flood Warning issued April 22 at 10:24AM CDT until April 25 at 1:00AM CDT
Issued 2026-04-22 10:24:00 · Expires 2026-04-25 01:00:00 · NWS Chicago IL
View full alert ›
Flood Warning
Flood Warning issued April 22 at 10:24AM CDT until April 24 at 1:00PM CDT
Issued 2026-04-22 10:24:00 · Expires 2026-04-24 13:00:00 · NWS Chicago IL
View full alert ›

Get Real-Time Weather Alerts for Cook County

Subscribe to iAlert to receive tornado warnings, severe thunderstorm alerts, flash flood warnings, and more — delivered instantly by email, SMS, and voice call.

Subscribe Now