3 Inch Hail Near Chicago, IL 08-03-2015

Doppler radar detected Ping Pong Ball size hail near Chicago, IL, Green Bay, WI and Rockford, IL on August 3, 2015. This hail storm was traveling E at 45.54 mph and produced hail for roughly 6 hour(s). Spotters reported a max hail size of 3" and an average hail size of 1.52". We estimate that 93,141 buildings were in the affected area. There were 86 spotter report(s) and the volume of hail DHI detected was significant. Based on this information, you can expect widespread, severe damage to tiled roofs, automobiles, and aircraft over highly populated areas. Risk of personal injury is also high, and is often accompanied by other severe weather events (wind, tornadoes).



86 spotters reported up to 3" hail hitting the ground.
Hail Size
Avg 1.52"
Max 3"
Hail Volume (DHI)
Avg 3.35
Max 8.62

Impact Scale


Population: 251,370 | Housing Units: 93,141 | Duration: 6 Hours