Natural hazards · River Grove

River Grove, IL natural hazards

Most of the natural-hazard damage FEMA expects in River Grove comes from inland flooding, and overall the risk is moderate for a U.S. community. Flood insurance has paid 115 claims here since 1981. 9 federal disasters brought FEMA money into town.

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

How exposed is River Grove?

58
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in River Grove to be higher than in 58% of U.S. communities, mostly from inland flooding and cold waves.

Inland flooding52%Cold waves24%Tornadoes13%Heat waves7%Everything else5%
By hazard

What River Grove faces

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

Inland flooding

52% of expected damage
Well above average · higher than 78% of U.S. places
Recorded about 6 times a year in the area

Cold waves

24% of expected damage
Well below average · higher than 22% of U.S. places
Recorded about 4 times a year in the area

Tornadoes

13% of expected damage
Well above average · higher than 76% of U.S. places

Heat waves

7% of expected damage
Well above average · higher than 77% of U.S. places
Recorded about 3 times a year in the area

Lower here

HurricanesHailIce stormsWinter weatherWildfireEarthquakesLandslidesStrong windLightning

Not a risk here

Coastal floodingDroughtAvalanchesTsunamisVolcanic 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 River Grove flood?

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

115paid claims since 1981
$3.0Mpaid to owners
30homes flooded more than once
19812026

Biggest named events

  • Hurricane Ike: 41 claims, $1.6M
  • Mid-spring storms: 36 claims, $938K

Homes that flooded again and again

■ FEMA “severe repetitive loss” (4) ■ flooded 2+ times

of homes in flood zones
are insured
of all homes
are insured
No community discount. River Grove 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 River Grove

9 federal disasters brought FEMA money here

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

Brought FEMA money into River GroveDeclared for Cook County only
2024

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

11 households applied for aid $25K aid approved
2023

Severe Storms and Flooding

33 households applied for aid $85K aid approved
2013

Severe Storms, Straight-Line Winds, and Flooding

213 households applied for aid $353K aid approved
2011

Severe Winter Storm and Snowstorm

$37K to the Village of River Grove for repairs
2010

Severe Storms and Flooding

70 households applied for aid $156K aid approved
2008

Severe Storms and Flooding

183 households applied for aid $434K aid approved $84K to the Village of River Grove for repairs
2007

Severe Storms and Flooding

$46K to the Village of River Grove for repairs
2000

Illinois Winter Snow Storms

$33K to the Village of River Grove for repairs
1999

Il-Winter Storm 1/1/99

$26K to the Village of River Grove for repairs
Cook County has had 21 natural disasters declared since 1953, most often floods and severe storms.
Around River Grove

River Grove and the towns around it

Elmwood Park: Moderate, mostly inland floodingMelrose Park: High, mostly inland floodingFranklin Park: Moderate, mostly inland floodingLeyden: Moderate, mostly inland floodingChicago: Moderate, mostly inland floodingStone Park: Very high, mostly inland floodingNorthlake: High, mostly inland floodingMaywood: High, mostly inland floodingBellwood: Very high, mostly inland floodingRiver Forest: High, mostly inland floodingRiver Forest: High, mostly inland floodingProviso: High, mostly inland floodingBerkeley: Moderate, mostly inland floodingSchiller Park: Moderate, mostly inland floodingBensenville: Moderate, mostly inland floodingRiver Grove: Moderate, mostly inland flooding River GroveElmwood ParkMelrose ParkFranklin Park
Very lowLowModerateHighVery high
Melrose Parkmostly inland floodingHigh
River Grovemostly inland floodingModerate
Franklin Parkmostly inland floodingModerate
Elmwood Parkmostly inland floodingModerate
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. River Grove covers 2 census tracts, combined by population.
Money that reached townFlood claims are matched to River Grove’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Village of River Grove. 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 River Grove total about $6.7M 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