At least two tornadoes in Arkansas have a preliminary rating of EF-4 as part of the tornado outbreak that has claimed dozens of lives.

A deadly tornado outbreak ripped through the Midwest and South over the weekend, leaving destruction, power outages and tragic loss in its wake.

A sprawling storm system crossing the U.S. has caused deadly crashes, damaged buildings and fanned more than 100 wildfires in several central states, prompting evacuation orders in some communities.

The threat of tornadoes is moving east into the Mississippi Valley and Deep South a day after a massive storm system moving across the country unleashed winds that damaged buildings, whipped up dust storms that caused deadly crashes and fanned more

About 47 million people faced an enhanced to moderate severe storm threat from Madison, Wisconsin, to Birmingham, Alabama.

Downstate towns are remembering the 695 victims killed by the Tri-State Tornado. It is the deadliest and longest tornado in U.S. history.