A wave of severe storms will sweep through the Midwest and Northern Plains midweek, bringing the risk of severe thunderstorms, damaging winds, flash flooding and tornadoes to the region.
The storm will hit swaths of the Ohio, Mississippi and Tennessee Valleys on Tuesday afternoon, exposing more than 18 million people in Tennessee, Nebraska, Missouri and Iowa to severe thunderstorms, according to the National Weather Service slight risk. More than 19 million people are also at slight risk from tornadoes, the agency said.
According to AccuWeather, “heavy downpours” are possible in the Ohio and Tennessee valleys as a storm complex moves into the region Monday night.
The National Weather Service in Des Moines said on the 10th that thunderstorms that hit Iowa on Tuesday and Wednesday may have a “severe possibility.” /hour damaging winds and large hail.
Authorities in Madison County, Iowa, about 40 miles southwest of Des Moines, warned residents that the area would be under a thunderstorm watch until 5 a.m. Wednesday, according to a Facebook post. “The wind is moving fast and will be moving out of here soon,” they wrote.
Meanwhile, temperatures are expected to be very hot in the same area, with the heat index expected to rise above 110 degrees in Omaha and Lincoln. The weather service issued a heat warning for Wednesday night.
Thunderstorms could drop hailstones the size of golf balls across large swaths of central North Dakota Tuesday night, with damaging winds expected to reach 60 mph.
Iowa has seen some rainy weather since Sunday, with Dayton and Marshalltown, two cities north of Des Moines, reporting, according to the Des Moines Register, a unit of the USA TODAY Network. By the next day more than 3 inches of rain had fallen.
more:Earthquakes happen all the time, you just don’t feel them. A guide to how to measure
Early Midwest storm system spawns 27 tornadoes, kills 3
A dangerous storm system caused by Derecho hit the Midwest several weeks ago, spawning multiple tornadoes and triggering flash flooding that killed several people. More than 166,000 people in the area lost power.
The weather service later confirmed that on July 15, the Chicago area experienced 27 tornadoes.
Flash floods in Illinois forced hundreds of people to evacuate their homes before a dam “was about to fail,” and an elderly couple died after their car was swept away.
Cybele Mayes-Osterman is a breaking news reporter for USA TODAY. Contact her via email: cmayesosterman@usatoday.com. Follow her on X @CybeleMO.