India, March 6 -- Thunderstorms moved into the Chicago area Friday morning, triggering ground delays at O'Hare International Airport. The Federal Aviation Administration initially issued a ground stop due to severe weather but later downgraded it to a ground delay. Several flights have been delayed or canceled as a result.

Warmer temperatures are also being reported across the region. As of about 9 a.m., fog and mist were present in the area, with temperatures around 52degF.

Temperatures near O'Hare are expected to rise to around 70degF, while areas closer to Lake Michigan are likely to remain in the 60s.

According to National Weather Service meteorologist David King, although temperatures will be warmer, the chances of breaking any wa...