Natural Disaster Risk in Johnson County
Illinois
6.0out of 10
Risk Summary for Johnson County
Above-average natural disaster risk. Several hazards pose meaningful threats. Ensure adequate home and property insurance.
Top Hazards
Earthquake Ice Storm Extreme Heat
All 18 Hazard Scores
Earthquake 9.2
Ice Storm 7.4
Strong Wind 7.3
Extreme Heat 7.3
Hail 7.1
Winter Weather 6.9
Cold Wave 6.9
Tornado 6.2
Hurricane 5.9
Drought 5.8
Tsunami 5.4
Landslide 5.1
Volcanic Activity 5.1
Coastal Flooding 4.9
Avalanche 4.5
Lightning 4.2
Wildfire 2.2
Riverine Flooding 1.0
How it compares
Johnson County 6.0
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 Johnson County
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. For informational purposes only.