Extreme meteorologist Dr. Reed Timmer captured this video from inside the Dominator 4 as he caught up to a tornado near Pontiac, Illinois.

Thursday was a big day for storm chaser Dan Fitts , who clocked winds of 98.4 mph near Chugwater. Fitts has spent three decades pursuing supercells

We're following along live as a volatile setup unleashes tornadoes, large hail, and the potential for flooding and damaging winds across parts of the Plains, Midwest and South.

Storm chasers captured heart-pounding footage of a powerful tornado that brought 150 mph winds, debris, and 6-inch hail. The severe storm conditions wrought massive damage that destroyed homes and