A 12-year "drought" of EF5 tornadoes has ended, after the National Weather Service upgraded a tornado in North Dakota to EF5 status.

A tornado outbreak and an epic snowstorm can happen in the U.S. on any spring, fall, even winter day. Here at weather.com we call that a "kitchen sink" pattern, when it seems every weather phenomenon ...

The National Weather Service said the EF5 twister in North Dakota packed winds stronger than 200 mph, underscoring risks that ...

We've discussed May's deserved reputation for both violent tornadoes and large outbreaks. In Texas, two of its worst tornadoes of all time happened in the middle of May, each in one of the state's ...

WARREN — For many of the people who attended the standing-room-only discussion of the 40th anniversary of the May 31, 1985, tornado Saturday at the Warren-Trumbull County Public Library, their ...

May 11 marks a solemn double milestone in Texas weather history: the state’s deadliest tornado and the strongest. Although they struck 17 years apart, both storms hit on May 11 and left lasting marks ...

On May 15th, 1968, a surface low pressure system swept across Iowa bringing with it severe weather across the country. 39 tornadoes touched down, stretching from Minnesota to Mississippi. Here is the ...

Two historic, extreme weather events separated by just over 100 miles happened on one July day in the upper Midwest. On July 18, 1996, 29 years ago this evening, a violent tornado roared through the ...