Lee County

Illinois — Natural Disaster Risk Assessment

Low

Composite Risk Score

54.4

National percentile: 54th

Lee County faces low composite natural disaster risk (NRI Risk Index score 54.4, 54th national percentile), driven primarily by strong wind and drought exposure. Expected annual loss across all 18 hazard types is $21M.

Source: FEMA National Risk Index v1.20 · Updated December 2025

Expected Annual Loss $21M Annualized county-level EAL
Social Vulnerability Low Population sensitivity
Community Resilience Very High Capacity to recover
Population 34K Latest estimate

Top Hazards

Strong Wind
High $2M/yr
Drought
Medium $1M/yr
Hail
Low $712K/yr

All 18 Hazard Risks

Strong Wind High 6.12 / yr $2M
Drought Medium 10.62 / yr $1M
Hail Low 4.11 / yr $712K
Tornado Medium 0.67 / yr $3M
Cold Wave Medium 5.79 / yr $2M
Riverine Flood Low 0.93 / yr $11M
Earthquake Very Low 0.00 / yr $308K
Ice Storm Low 0.56 / yr $68K
Landslide Very Low 0.11 / yr $635
Heat Wave Very Low 3.74 / yr $172K
Winter Weather Low 14.42 / yr $33K
Lightning Low 42.04 / yr $119K
Hurricane Very Low 0.01 / yr $5K
Wildfire Very Low 0.00 / yr $3K
Avalanche Very Low 0.00 / yr $0
Coastal Flood Very Low 0.00 / yr $0
Tsunami Very Low 0.00 / yr $0
Volcanic Activity Very Low 0.00 / yr $0

Frequently Asked Questions

What is the overall natural disaster risk for Lee County?

Lee County has a composite FEMA National Risk Index score of 54.4 out of 100, placing it in the Low category and the 54th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.

What are the top natural hazards in Lee County?

The three highest-rated hazards are Strong Wind (High, $2M EAL), Drought (Medium, $1M EAL), Hail (Low, $712K EAL). These account for most of the county's expected annual losses.

How does Lee County compare to other Illinois counties?

Lee County ranks #52 of 102 Illinois counties for overall natural disaster risk, with a low rating.

What does Expected Annual Loss (EAL) mean?

EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Lee County's $21M EAL is a statistical average, not a guarantee for any specific year or address.