The National Weather Service issued a severe thunderstorm warning at 8:22 p.m. EDT on Thursday in effect until 8:45 p.m. EDT ...

An active weather day Thursday including thunderstorms and flash flood warnings in parts of Colorado have resulted in ...

A line of fast-moving storms prompted severe thunderstorm warnings in the Chicago area and ground stops at O'Hare and Midway airports. There were also reports of storm damage.