Johnson County, Illinois
FEMA National Risk Index threat assessment for Johnson County.
Threat Level
Guarded
NRI Composite Score
6.1
Social Vulnerability
26.9
Community Resilience
52.7
Top Hazards
Winter Weather
12.4
Relatively Low
Tornado
10.6
Relatively Low
Landslide
10.3
Relatively Low
Strong Wind
9.8
Relatively Low
Lightning
7.5
Very Low
Hail
7.4
Relatively Low
Drought
6.0
Relatively Low
Earthquake
5.3
Relatively Low
Heat Wave
4.4
Relatively Low
Ice Storm
4.3
Very Low
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