Natural Disaster Risk in Collinsville

Natural Hazard Profile: Collinsville, Illinois

Collinsville, in Madison County, is a city of approximately 31,648 residents situated in the interior eastern United States. Its humid continental climate brings bitterly cold winters and hot, humid summers, and in particular a severe thunderstorm and tornado season each spring. These conditions collectively define the natural hazard environment that Collinsville residents and property owners must navigate.

According to FEMA's National Risk Index, Collinsville carries an overall risk score of 7.4/10, placing it in the high category. Large hail is the dominant natural hazard, with supercell thunderstorms regularly producing damaging hailstones capable of destroying crops, vehicles, and roofs. The area also faces notable exposure to heat and tornado.

Within Illinois, Collinsville's risk is, considerably above the 5.8/10 state average. Nationally, it ranks well above the U.S. national average of 4.5/10. FEMA's analysis of Madison County identifies hail as the foremost hazard, followed by heat and tornado. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a high natural disaster risk rating, Collinsville residents benefit from taking preparedness seriously. Reviewing insurance coverage for hail and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.