Significant severe storms on April 14-15 produced large hail up to baseball size, damaging winds up to 88 mph at Dubuque Airport and multiple tornadoes along the U.S. Hwy 20 corridor and near Onslow, Iowa. Additional storms south of I-80 brought large hail and a photogenic tornado.
Source: National Weather Service. Original: https://www.weather.gov/lot/2026_ActiveSevereStart
