Ground Stop at O'Hare Saturday Morning Sep. 19, 2026 with Thunderstorms; Chance of Precipitation 100%.
Chicago weather: Heavy rains bring weekend flood threat (Albert Ramon/CBS Chicago). ORD Status Captured Sat Sep 19 2026 6:40 AM CDT Ground Stop 19/5:27 AM CDT—19/7:00 AM CDT Departures to Chicago O'Hare International are grounded due to thunderstorms. Probability of extension is medium (30-60%). Grounding applies to departures from ZAU ZLC ZTL ZDC ZNY ZFW ZOB ZDV ZBW ZKC ZME ZID ZAB ZMP CYHZ CYOW CYUL CYYZ Advisory Scope Current Airport Config. Arrival Runway 9L/10C/10R Departure Runway 9R/10L Arrival Rate 16 SOURCE: National Airspace System National Airspace System Delays AirportsChicago.com Chicago-O'Hare International Airport via NOAA's National Weather Service September 19 2026, 5:51 am CDT Thunderstorm Rain Fog/Mist and 63 F Winds Northeast at 11.5 MPH (10 KT) Pressure 30.01 Humidity 97%. O'HARE FORECAST … Sat September 19, 2026 6:44 AM Saturday: Showers and thunderstorms, mainly before 1pm, then showers likely and possibly a thunderstorm afte...