A prime example happened Feb. 24 in South Dakota, when a brief tornado documented by a storm chaser spun up over an open ...

It's one of the weirdest things we've seen in 2025's weather, so far. A winter tornado in one of America's coldest states.

PIERRE, S.D. (South Dakota Searchlight) – South Dakota lawmakers advanced bills Friday at the Capitol in Pierre that would ...

Temperatures Friday will remain hovering around freezing, with lows in the single digits and highs running anywhere from 22 ...

The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland seem like a ...

This week’s winter storm comes on the heel of a storm in the Kentucky-area that brought flash flooding and killed at least 10 ...

Many of the states were experiencing life-threatening cold on Wednesday, but a "dramatic" shift is expected this weekend.

Dangerously cold temperatures were descending into the U.S. as far south as Texas on Tuesday, breaking records in some areas.

The biggest batch of record-setting cold temperatures are likely to hit early Thursday and Friday, Orrison said. But North ...

Harsh weather moved west on Monday as a polar vortex was expected to grip the Rockies and the northern Plains after winter ...

But at times some of the vortex can break off or move south, bringing unusually cold weather south and permitting warmer weather to creep up north.