Add Yahoo as a preferred source to see more of our stories on Google. A large "rotating wall cloud" formed over Pontiac, Illinois, as a tornado warning was in effect for the area on Tuesday, March 10.

On the evening of April 27, 2026, tornado sirens wailed across parts of central Illinois as a menacing, rotating wall cloud churned over the countryside near Mount Pulaski. Residents in southeastern ...

NASHVILLE, Tenn. (WKRN) — The definition of a tornado is a rapidly rotating column of air, but tornadoes aren't the only weather phenomenon that matches that description. First, let's start with ...