Rain? Sleet? Freezing rain? Snow? Even the most advanced Doppler radars can struggle to tell the difference. Here's why.

A forecast model is essentially a supercomputer that attempts to simulate behaviors in the atmosphere. An ensemble refers to ...

A weather phenomenon called "The Blob" could have a major impact on Chicago's winter forecast, but what is it exactly? While it may be the title of a famed horror movie, this version of "The Blob" isn ...