DisasterAWARE
3
Moderate

flood Flood Risk in Illinois

Overall State Risk Score: 3/10

Illinois faces moderate flood risk based on FEMA National Risk Index data across 2 counties.

Seasonal pattern: March-September

Highest-Risk Cities in Illinois

1
Chicago, IL
Extreme · 432 historical events
FEMA: 9Historical: 10

Other Hazards in Illinois

earthquake
Earthquake Risk
Score: 5/10
wildfire
Wildfire Risk
Score: 1/10
hurricane
Hurricane Risk
Score: 1/10
tornado
Tornado Risk
Score: 7/10
winter-storm
Winter Storm Risk
Score: 7/10
landslide
Landslide Risk
Score: 3/10
extreme-heat
Extreme Heat Risk
Score: 5/10
drought
Drought Risk
Score: 7/10
high-wind
High Wind Risk
Score: 7/10
tsunami
Tsunami Risk
Score: 0/10

How this data is built

Illinois flood risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live event monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.

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