This weather event may not be constant, but there will be cold waves over multiple days with single-day warmups mixed in.

High up in the atmosphere above the Arctic, something interesting is going on. The upper levels of the stratosphere, above 35 ...

The culprit behind the country’s somewhat wacky weather, or at least part of it, is the (aforementioned) probable sudden stratospheric warming event (SSW) disrupting the stratosphere’s polar vortex ...

After a weekend of milder temperatures, a cold snap is expected to hit the Milwaukee area starting Tuesday, Nov. 25.

Lake-effect snow is in the forecast for Michigan this week as a fast-moving clipper storm from the Rockies moves across the Plains into the Great Lakes.

Two rounds of winter weather are set to inch across the U.S., bringing the potential for freezing temperatures as far south ...

A rare November sudden stratospheric warming event could lead to a polar vortex bringing unseasonably cold weather to Iowa at ...

A weakening of the polar vortex and storms could cause travel hiccups around the country. Here's what to expect in New ...

A combination of weather conditions may make it colder than usual across parts of the Central and Northern U.S. next week.

Ken Mahan explains the “tug of war” that will determine our winter weather, when to know what you’re in for this Thanksgiving, and how he tracks changing conditions.

Thanksgiving is this Thursday, Nov. 27, and there is a good possibility of some rain and snow across the region. The holiday has been observed every fourth Thursday since 1942, so has been as early as ...