Category 1 notable derecho (PXDO)
|Highest winds|| 74 mph |
|Areas affected|| Midwestern United States
On August 4, a derecho traveled 300 miles from east Iowa to Ohio, disrupting the Lollapallooza festival in Chicago. There were over 150 reports of wind damage from this storm, with five reports of hurricane force winds (more than 74 mph) and a tornado. The derecho narrowly missed the same west-central Ohio area which was struck by three derechos within four weeks from the end of June to the end of July.