Des Moines, Iowa – Two rounds of strong to severe storms will sweep across Iowa starting late Monday night, threatening travel, utilities, and outdoor plans through Tuesday evening. Residents from Sioux City to Davenport should brace for hail, damaging winds, and localized flooding as the system tracks west to east.
According to the National Weather Service in Des Moines, the first window of storms will begin overnight Monday into early Tuesday, with the highest risk in west-central Iowa, including Carroll, Denison, and Storm Lake. A second wave is expected Tuesday afternoon through the evening, affecting central and eastern areas such as Ames, Iowa City, and Cedar Rapids.
Tuesday’s storms carry a Level 2 (Slight) risk in southeastern Iowa, where stronger cells could bring quarter-sized hail, 60+ mph gusts, and torrential downpours. Scattered storms are possible as early as 1 p.m., intensifying through evening commute hours.
Travelers should avoid flooded roads and secure loose outdoor items. Charge devices and stay weather-aware, especially in southern Iowa where rainfall could be heaviest.
Severe weather risks may persist through Tuesday night. Further alerts or upgrades are possible as conditions evolve.