Here's a closer look at the weather ingredients that allowed a deadly tornado to strike Michigan without warning.

The Weather Channel's Justin Michaels reports from Gaithersburg, Maryland where a tornado hit Wednesday evening.

Severe storms in the evening and overnight hours wreaked havoc across Michigan, Maryland and Ohio.

Another study has punctured the preconceived notion of where America's tornadoes happen most.

A ridge of high pressure dominates the West this week, bringing the risk of heat illnesses and likely breaking daily temperature records. Here’s where you’ll need to take precautions.