Supercell thunderstorms could produce multiple long-lived EF3 or stronger tornadoes today in the mid-Mississippi and lower Ohio valleys. Tornadoes, destructive straight-line winds and damaging hail will also impact a much larger area of the Midwest and South.

A tornado outbreak is expected Wednesday and Wednesday night from parts of the lower Mississippi Valley into the mid-South and lower Ohio Valley, including the threat of multiple long-track EF-3 or stronger tornadoes.

A tornado outbreak is expected Wednesday and Wednesday night from parts of the mid-Mississippi and lower Ohio valleys westward into the eastern Ozarks, prompting a rare Level 5 out of 5 "high risk" of severe weather.