We’re tracking a string of tornadoes tearing across the Midwest where the severe weather has already killed at least one person in Iowa.

A rip-roaring severe weather outbreak battered parts of Manitoba Tuesday night with vicious winds and heavy rainfall that gave way to at least one confirmed tornado.

The highest risk of severe storms will be concentrated across parts of Kansas and Missouri into the Upper Midwest and the Great Lakes region, where hail larger than golf balls, damaging winds in exces...