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City vs city
Collinsville vs O'Fallon, IL
O'Fallon currently scores 9 points higher overall than Collinsville, with the largest gap in tornado.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Overall
Collinsville: 31/100 · O'Fallon: 40/100
O'Fallon is 9 points higher.
Flood
Collinsville: 0/100 · O'Fallon: 0/100
No gap.
Wind
Collinsville: 16/100 · O'Fallon: 16/100
No gap.
Lightning
Collinsville: 35/100 · O'Fallon: 35/100
No gap.
Tornado
Collinsville: 19/100 · O'Fallon: 73/100
O'Fallon is 54 points higher.
Hail
Collinsville: 100/100 · O'Fallon: 100/100
No gap.
Storm surge
Collinsville: 0/100 · O'Fallon: 0/100
No gap.