Ground stop issued at O'Hare Airport due to thunderstorms

Chicago weather: Thursday morning forecast

Fox Chicago Meteorologist Mike Caplan breaks down today's weather outlook.

CHICAGO - A ground stop was issued at O'Hare Airport on Thursday morning due to thunderstorms.

What we know:

Departures to O'Hare were grounded at 6:31 a.m. and resumed at 8:30 a.m. followed by a ground delay, averaging delays of 75 minutes, according to the Federal Aviation Administration.

In the past 24 hours, three flights have been canceled at O'Hare.

The Chicago area is under threat of severe storms Thursday with all hazards, including tornadoes, in play. The National Weather Service said to expect severe conditions between 3 p.m. and 9 p.m. with wind gusts up to 80 mp  and quarter-sized hail.

The northwestern part of Illinois is under the greatest threat of tornadoes this afternoon.

What you can do:

For real-time updates on ground stops and delays at Chicago airports, tap here.

This story is developing. Check back for updates.