Walnut, IL natural hazards
Most of the natural-hazard damage FEMA expects in Walnut comes from inland flooding, and overall the risk is low for a U.S. community. Flood insurance has paid 3 claims here since 1979. 5 federal disasters brought FEMA money into town.
FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarationsHow exposed is Walnut?
FEMA expects yearly storm and flood damage to homes and buildings in Walnut to be higher than in 27% of U.S. communities, mostly from inland flooding and drought.
What Walnut faces
Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.
Inland flooding
Drought
Tornadoes
Cold waves
Earthquakes
Lower here
Not a risk here
Does Walnut flood?
Every paid claim on a federal flood insurance policy in Walnut, from FEMA’s records.
are insured
are insured
5 federal disasters brought FEMA money here
Disasters the President declared that paid out in Walnut itself: aid to households, or repair grants to the Village of Walnut.
Severe Storms, Straight-Line Winds, and Flooding
Severe Winter Storm and Snowstorm
Snow
Illinois Winter Snow Storms
Il-Winter Storm 1/1/99
How to read this page
Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.