Tuesday will mark a somber anniversary, as it will be 100 years since the deadliest tornado in the country’s history ripped through Missouri, Illinois and Indiana.

At least 19 people have died as an outbreak of tornadoes ravished through the South and Midwest early Saturday morning, leaving a path of destruction in their wake.

The deadliest tornado in recorded U.S. history occurred 100 years ago. The Tri-State Tornado touched down in southeastern Missouri on March 18, 1925.

O’FALLON, IL. - The National Weather Service in St. Louis reported that it has representatives out surveying possible tornado touchdowns in both

The National Weather Service has confirmed three tornados so far from Friday’s severe weather. According to NWS, the three tornados were: From Villa Ridge to Fox Creek (EF 2) From near More Mill to just south of Arnold (EF 2) From north of Bourbon to just south of Union (EF 1) The NWS says the EF-2 tornado that developed near Village Creek moved over 13 miles northeast with maximum estimated winds of 130 mph.

Millions of Americans across the country are on alert for a severe weather outbreak as violent, long-track tornadoes with damaging winds of up to 80 mph and large hail are expected across the Midwest and South with the cross-country storm moving east.

A powerful storm system sweeping through the central and southern United States has resulted in the deaths of at least 33 people.