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Natural hazards · La Grange

La Grange, IL natural hazards

Most of the natural-hazard damage FEMA expects in La Grange comes from inland flooding, and overall the risk is moderate for a U.S. community. Flood insurance has paid 27 claims here since 1981. 8 federal disasters brought FEMA money into town.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations
Expected damage

How exposed is La Grange?

45
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in La Grange to be higher than in 45% of U.S. communities, mostly from inland flooding and cold waves.

Inland flooding51%Cold waves25%Tornadoes14%Heat waves7%Everything else3%
By hazard

What La Grange faces

Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.

Inland flooding

51% of expected damage
Above average · higher than 68% of U.S. places
Recorded about 6 times a year in the area

Cold waves

25% of expected damage
Well below average · higher than 22% of U.S. places
Recorded about 4 times a year in the area

Tornadoes

14% of expected damage
Well above average · higher than 76% of U.S. places

Heat waves

7% of expected damage
Well above average · higher than 78% of U.S. places
Recorded about 3 times a year in the area

Lower here

HurricanesHailIce stormsWinter weatherEarthquakesLandslidesStrong windLightning

Not a risk here

Coastal floodingWildfireDroughtAvalanchesTsunamisVolcanic activity
Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Flood insurance claims

Does La Grange flood?

Every paid claim on a federal flood insurance policy in La Grange, from FEMA’s records.

27paid claims since 1981
$475Kpaid to owners
7homes flooded more than once
19812026

Homes that flooded again and again

■ FEMA “severe repetitive loss” (0) ■ flooded 2+ times

of homes in flood zones
are insured
of all homes
are insured
No community discount. La Grange isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Cook County.
Disasters that hit La Grange

8 federal disasters brought FEMA money here

Disasters the President declared that paid out in La Grange itself: aid to households, or repair grants to the Village of La Grange.

Brought FEMA money into La GrangeDeclared for Cook County only
2024

Severe Storms, Tornadoes, Straight-Line Winds, and Floodng

9 households applied for aid $15K aid approved
2023

Severe Storms and Flooding

36 households applied for aid $42K aid approved
2013

Severe Storms, Straight-Line Winds, and Flooding

47 households applied for aid $64K aid approved
2011

Severe Winter Storm and Snowstorm

$43K to the Village of La Grange for repairs
2010

Severe Storms and Flooding

124 households applied for aid $355K aid approved
2008

Severe Storms and Flooding

7 households applied for aid $657 aid approved
2000

Illinois Winter Snow Storms

$13K to the Village of La Grange for repairs
1999

Il-Winter Storm 1/1/99

$33K to the Village of La Grange for repairs
Cook County has had 21 natural disasters declared since 1953, most often floods and severe storms.
Around La Grange

La Grange and the towns around it

Countryside: Very low, mostly inland floodingLa Grange Park: High, mostly inland floodingLyons: High, mostly inland floodingProviso: High, mostly inland floodingHodgkins: Low, mostly inland floodingIndian Head Park: High, mostly inland floodingBurr Ridge: Moderate, mostly inland floodingBrookfield: High, mostly inland floodingBroadview: High, mostly inland floodingPalos: High, mostly inland floodingStickney: High, mostly inland floodingRiverside: High, mostly inland floodingLyons: Very high, mostly inland floodingSummit: High, mostly inland floodingChicago: Moderate, mostly inland floodingRiverside: High, mostly inland floodingForest View: High, mostly inland floodingDowners Grove: Low, mostly inland floodingRiver Forest: High, mostly inland floodingRiver Forest: High, mostly inland floodingYork: Low, mostly inland floodingMaywood: High, mostly inland floodingLeyden: Moderate, mostly inland floodingNorth Riverside: High, mostly inland floodingMelrose Park: High, mostly inland floodingElmhurst: High, mostly inland floodingLa Grange: Moderate, mostly inland flooding La GrangeCountrysideLa Grange ParkLyonsProviso
Very lowLowModerateHighVery high
La Grange Parkmostly inland floodingHigh
Provisomostly inland floodingHigh
Lyonsmostly inland floodingHigh
La Grangemostly inland floodingModerate
Countrysidemostly inland floodingVery low
About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.
Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. La Grange covers 3 census tracts, combined by population.
Money that reached townFlood claims are matched to La Grange’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Village of La Grange. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across La Grange total about $7.3M a year, counting buildings, people and crops.

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.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01
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