Overview

• Flash flood warnings for Cook and DuPage counties expired late Friday afternoon as the storm band shifted south.
• Friday’s torrential downpours inundated underpasses and low-lying streets, and officials issued “turn around, don’t drown” advisories.
• Ground stops at O’Hare and Midway airports delayed departures and arrivals by 45 to 60 minutes during peak storm activity.
• A special weather statement noted funnel clouds forming near Ottawa, though none were reported to touch down.
• Flood watches remain active until early evening across multiple counties with forecasters warning of possible rainfall totals exceeding five inches overnight.