The Federal Aviation Administration issued a ground stop for flights bound for Chicago O’Hare International Airport and Chicago Midway Airport on August 11, 2026. The ground stop at O’Hare was in effect until 11:15 a.m. Central Time and could be extended, while Midway’s ground stop lasted at least until 11:30 a.m.
Severe Weather Conditions
The storm system moving through Illinois and Indiana early on August 11 brought unsafe conditions including wind gusts reaching 100 mph, brief tornadoes, and heavy rainfall. Flood warnings were issued across the Chicago area as downed trees and power lines affected local infrastructure.
Operational Impacts at O’Hare and Midway
The Chicago Department of Aviation confirmed
the control tower at Midway was briefly evacuated amid the storms, which likely disrupted airport operations. After the ground stop ended, O’Hare remained under a ground delay program until 10 p.m. Central Time to manage inbound and outbound air traffic safely.
Official Statements and Forecast
The FAA announced the initial ground stop and noted potential extensions based on ongoing storm activity. Chicago’s Department of Aviation verified the control tower evacuation at Midway. NBC 5 Chicago meteorologist Kevin Jeanes provided forecasts warning of the severe weather moving into the region.
