St. Clair County, IL is in a very low risk hurricane zone. 19 hurricanes have been recorded in the St. Clair County, IL since 1930. The largest hurricane was Gustav in 2008. The most recent St. Clair County, IL hurricane was Bill in 2015.
0 hurricane made landfall and 1 hurricanes were recorded within 100 miles of St. Clair County, IL in 2015.