A rain-laden ‘vapour surge’ charging in from the Pacific threatens torrential downpours and up to five feet of snow. Western ...

A tropical plume sweeping into frozen America threatens an eruption of violent thunderstorms, tornadoes and ‘snow squalls’.

The I-70 corridor is going to be in between Arctic air in the northern Plains to tropical air in the souther Plains. Small systems will track along the boundary this week, setting up a tough forecast.

"The National Weather Service does not name winter storms and there are no plans to consider it. Unlike tropical storms, winter storms are diverse with conditions that evolve throughout the storm’s ...