The National Weather Service on Friday warned that potentially strong tornadoes may develop on Saturday over the lower to middle Mississippi and Tennessee valleys. Lightning, wind gusts of at least 74 mph and hail of at least two inches will accompany the outbreak over parts of the valleys and Southeast through Sunday.

A dangerous storm system is expected to sweep through the St. Louis region Friday evening, bringing the potential for destructive winds and fast-moving tornadoes, with the metro area under a Level 4 out of 5 risk for severe weather.

A significant severe weather day is anticipated for Saturday across Southeast Louisiana and South Mississippi. We remain highlighted in a level 4 out of 5 moderate risk for severe weather. This threat will begin by late morning Saturday and continue through sunset in the evening.

Evansville weather radar Severe thunderstorms are making their way into the Tri-State late Friday night into early Saturday. The National Weather Service has said that strong storms and tornadoes are possible.

Severe thunderstorms developed over Iowa Friday afternoon and evening, bringing hail and high winds through the metro. Interactive Radar | Weather Alerts | Closings & delays Sign up for our Newsletters Here's what to know: Some southern Iowa cities recorded wind gusts of 70 mph or more,