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Natural hazards · Lockport

Lockport, IL natural hazards

Most of the natural-hazard damage FEMA expects in Lockport comes from inland flooding, and overall the risk is low for a U.S. community. Flood insurance has paid 73 claims here since 1978. 8 federal disasters brought FEMA money into town.

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

How exposed is Lockport?

31
Low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Lockport to be higher than in 31% of U.S. communities, mostly from inland flooding and cold waves.

Inland flooding51%Cold waves23%Tornadoes20%Everything else5%
By hazard

What Lockport 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 53% of U.S. places
Recorded about 3 times a year in the area

Cold waves

23% 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 Lockport flood?

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

73paid claims since 1978
$538Kpaid to owners
10homes flooded more than once
19782026

Homes that flooded again and again

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

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

8 federal disasters brought FEMA money here

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

Brought FEMA money into LockportDeclared for Will County only
2024

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

68 households applied for aid $120K aid approved
2013

Severe Storms, Straight-Line Winds, and Flooding

59 households applied for aid $72K aid approved
2011

Severe Winter Storm and Snowstorm

$42K to the City of Lockport for repairs
2008

Severe Storms and Flooding

46 households applied for aid $56K aid approved $22K to the City of Lockport for repairs
2007

Severe Storms and Flooding

11 households applied for aid $23K aid approved
2004

Severe Storms and Tornadoes

4 households applied for aid $7K aid approved
2000

Illinois Winter Snow Storms

$23K to the City of Lockport for repairs
1999

Il-Winter Storm 1/1/99

$21K to the City of Lockport for repairs
Will County has had 17 natural disasters declared since 1953, most often severe storms and floods.
Around Lockport

Lockport and the towns around it

Bonnie Brae: Low, mostly inland floodingFairmont: Low, mostly inland floodingHomer Glen: Moderate, mostly inland floodingLockport Heights: Low, mostly inland floodingLockport: Very low, mostly inland floodingJoliet: High, mostly inland floodingJoliet: Moderate, mostly inland floodingHomer: Low, mostly inland floodingOrland: Moderate, mostly inland floodingOrland Park: Low, mostly inland floodingLemont: Low, mostly inland floodingLockport: Low, mostly inland flooding LockportBonnie BraeFairmontHomer GlenLockport Heights
Very lowLowModerateHighVery high
Homer Glenmostly inland floodingModerate
Bonnie Braemostly inland floodingLow
Lockport Heightsmostly inland floodingLow
Lockportmostly inland floodingLow
Fairmontmostly 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. Lockport covers 4 census tracts, combined by population.
Money that reached townFlood claims are matched to Lockport’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of Lockport. 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 Lockport total about $8.3M 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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