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Natural hazards · Mokena

Mokena, IL natural hazards

Most of the natural-hazard damage FEMA expects in Mokena comes from inland flooding, and overall the risk is low for a U.S. community. Flood insurance has paid 5 claims here since 1978. 7 federal disasters brought FEMA money into town.

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

How exposed is Mokena?

28
Low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Mokena to be higher than in 28% of U.S. communities, mostly from inland flooding and cold waves.

Inland flooding54%Cold waves20%Tornadoes20%Everything else6%
By hazard

What Mokena faces

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

Inland flooding

54% of expected damage
Below average · higher than 48% of U.S. places
Recorded about 3 times a year in the area

Cold waves

20% of expected damage
Well below average · higher than 18% of U.S. places
Recorded about 4 times a year in the area

Tornadoes

20% of expected damage
Well above average · higher than 82% of U.S. places

Lower here

HurricanesHailIce stormsWinter weatherHeat wavesWildfireEarthquakesLandslidesStrong windLightningDrought

Not a risk here

Coastal floodingAvalanchesTsunamisVolcanic 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 Mokena flood?

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

5paid claims since 1978
$20Kpaid to owners
0homes flooded more than once
19782026
of homes in flood zones
are insured
of all homes
are insured
No community discount. Mokena isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Will County.
Disasters that hit Mokena

7 federal disasters brought FEMA money here

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

Brought FEMA money into MokenaDeclared for Will County only
2024

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

37 households applied for aid $133K aid approved
2013

Severe Storms, Straight-Line Winds, and Flooding

14 households applied for aid $28K aid approved
2011

Severe Winter Storm and Snowstorm

$64K to the Village of Mokena for repairs
2008

Severe Storms and Flooding

7 households applied for aid $12K aid approved $5K to the Village of Mokena for repairs
2007

Severe Storms and Flooding

10 households applied for aid $18K aid approved
2000

Illinois Winter Snow Storms

$36K to the Village of Mokena for repairs
1999

Il-Winter Storm 1/1/99

$30K to the Village of Mokena for repairs
Will County has had 17 natural disasters declared since 1953, most often severe storms and floods.
Around Mokena

Mokena and the towns around it

Tinley Park: Moderate, mostly inland floodingArbury Hills: Moderate, mostly inland floodingFrankfort: Moderate, mostly inland floodingNew Lenox: Low, mostly inland floodingOrland Park: Low, mostly inland floodingFrankfort Square: Moderate, mostly inland floodingBremen: High, mostly inland floodingRich: Moderate, mostly inland floodingRichton Park: Moderate, mostly inland floodingFrankfort: Moderate, mostly inland floodingGreen Garden: High, mostly inland floodingNew Lenox: Low, mostly inland floodingManhattan: Moderate, mostly inland floodingMatteson: Moderate, mostly inland floodingJoliet: Moderate, mostly inland floodingIngalls Park: Moderate, mostly inland floodingMokena: Low, mostly inland flooding MokenaTinley ParkArbury HillsFrankfortNew Lenox
Very lowLowModerateHighVery high
Frankfortmostly inland floodingModerate
Tinley Parkmostly inland floodingModerate
Arbury Hillsmostly inland floodingModerate
New Lenoxmostly inland floodingLow
Mokenamostly inland floodingLow
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. Mokena covers 4 census tracts, combined by population.
Money that reached townFlood claims are matched to Mokena’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Village of Mokena. 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 Mokena total about $8.9M 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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