A recent tornado in South Dakota was given the relatively rare designation of EF-U due to the area in which it touched down.
The deadliest tornado in recorded U.S. history occurred 100 years ago. The Tri-State Tornado touched down in southeastern ...
Severe weather warnings remain in place throughout the weekend for parts of at least 20 states as extreme conditions — tornadoes ... parts of Minnesota and South Dakota, with snow accumulation ...