Despite the official start of spring, a burst of snow and strong winds this morning will give way to chilly temperatures before a slight warm-up later this week.

A band of severe weather brought tornado warnings to the Chicago area and parts of northern Illinois on Wednesday, downing power lines and knocking power out to homes. Thursday morning's commute will be chilly,

The same storm bringing the risk of severe weather and even a couple of tornadoes to the vast Chicago metro area into Wednesday evening will rapidly push cold air into the region Wednesday night along with snow.