Williamson County, Illinois
FEMA National Risk Index threat assessment for Williamson County.
Threat Level
High
NRI Composite Score
15.0
Social Vulnerability
40.2
Community Resilience
56.2
Top Hazards
Tornado
24.1
Relatively Moderate
Heat Wave
21.9
Relatively High
Strong Wind
21.7
Relatively Moderate
Winter Weather
21.2
Relatively Moderate
Lightning
16.3
Relatively Low
Hail
14.7
Relatively Moderate
Earthquake
12.9
Relatively Moderate
Ice Storm
12.3
Relatively Low
Landslide
9.2
Relatively Low
Drought
9.0
Relatively Low
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