Natural Disaster Risk in St. Clair County
Illinois
7.4out of 10
Risk Summary for St. Clair County
Above-average natural disaster risk. Several hazards pose meaningful threats. Ensure adequate home and property insurance.
Top Hazards
Earthquake Hail Extreme Heat
All 18 Hazard Scores
Earthquake 9.8
Hail 9.8
Extreme Heat 9.8
Cold Wave 9.7
Tornado 9.6
Lightning 9.5
Ice Storm 9.3
Winter Weather 8.9
Landslide 8.6
Drought 6.6
Strong Wind 6.0
Hurricane 5.7
Tsunami 5.4
Volcanic Activity 5.1
Coastal Flooding 4.9
Avalanche 4.5
Wildfire 2.6
Riverine Flooding 1.0
How it compares
St. Clair County 7.4
Illinois avg. 5.8
US national avg. 4.5
Live Conditions
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🏠 What this means for insurance
Above-average risk — check your policy limits
Standard homeowners insurance may not fully cover all hazards rated highly in this area. Verify that your policy includes adequate coverage for the top local hazards, and ask your insurer about specific endorsements or separate policies (e.g., flood, earthquake).
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Cities in St. Clair County
O'Fallon7.4/10Belleville7.4/10Fairview Heights7.4/10East Saint Louis7.4/10Mascoutah7.4/10Caseyville7.4/10Lebanon7.4/10Millstadt7.4/10Freeburg7.4/10Scott Air Force Base7.4/10Smithton7.4/10Dupo7.4/10New Athens7.4/10Marissa7.4/10East Carondelet7.4/10Lenzburg7.4/10Lovejoy7.4/10Saint Libory7.4/10Summerfield7.4/10
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. For informational purposes only.