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Natural hazards · Aurora

Aurora, IL natural hazards

Most of the natural-hazard damage FEMA expects in Aurora comes from inland flooding, and overall the risk is low for a U.S. community. Flood insurance has paid 207 claims here since 1978. 6 federal disasters brought FEMA money into town.

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

How exposed is Aurora?

35
Low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Aurora to be higher than in 35% of U.S. communities, mostly from inland flooding and cold waves.

Inland flooding44%Cold waves28%Tornadoes20%Everything else8%
By hazard

What Aurora faces

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

Inland flooding

44% of expected damage
Above average · higher than 57% of U.S. places
Recorded about 2 times a year in the area

Cold waves

28% of expected damage
Well below average · higher than 22% of U.S. places
Recorded about 5 times a year in the area

Tornadoes

20% of expected damage
Well above average · higher than 80% 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 Aurora flood?

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

207paid claims since 1978
$3.1Mpaid to owners
13homes flooded more than once
19782026

Biggest named events

  • Mid-spring storms: 30 claims, $229K
  • Hurricane Ike: 7 claims, $43K
  • Midwest Flooding: 1 claim, $18K

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
🏷️ 15% off flood insurance. Aurora is in FEMA’s Community Rating System (class 7) for its flood-proofing work.
Insurance rates: Kane County.

What’s been done with FEMA grants

48flood-prone properties bought out and cleared
Disasters that hit Aurora

6 federal disasters brought FEMA money here

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

Brought FEMA money into AuroraDeclared for Kane County only
2013

Severe Storms, Straight-Line Winds, and Flooding

716 households applied for aid $1.3M aid approved
2011

Severe Winter Storm and Snowstorm

$467K to the City of Aurora for repairs
2008

Severe Storms and Flooding

86 households applied for aid $126K aid approved
2007

Severe Storms and Flooding

5 households applied for aid
2000

Illinois Winter Snow Storms

$162K to the City of Aurora for repairs
1999

Il-Winter Storm 1/1/99

$276K to the City of Aurora for repairs
Kane County has had 14 natural disasters declared since 1953, most often floods and winter storms.
Around Aurora

Aurora and the towns around it

Montgomery: High, mostly inland floodingNorth Aurora: Very low, mostly inland floodingNaperville: Moderate, mostly inland floodingWarrenville: High, mostly inland floodingSugar Grove: Moderate, mostly inland floodingBatavia: Very low, mostly inland floodingOswego: Low, mostly inland floodingNaperville: Low, mostly inland floodingWinfield: Moderate, mostly inland floodingBoulder Hill: High, mostly inland floodingYorkville: High, mostly inland floodingSugar Grove: Moderate, mostly inland floodingBatavia: Low, mostly inland floodingAurora: Low, mostly inland floodingBlackberry: Low, mostly inland floodingLisle: Low, mostly inland floodingBolingbrook: Low, mostly inland floodingPlainfield: Moderate, mostly inland floodingLisle: Low, mostly inland floodingMilton: Moderate, mostly inland floodingPrestbury: Very low, mostly inland floodingBig Rock: Low, mostly inland floodingGeneva: Low, mostly inland floodingGeneva: Low, mostly inland floodingWest Chicago: Very low, mostly inland floodingWheatland: Moderate, mostly inland floodingWheaton: Moderate, mostly inland floodingWayne: Low, mostly inland floodingWinfield: High, mostly inland floodingAurora: Low, mostly inland flooding AuroraMontgomeryNorth AuroraNapervilleWarrenvilleSugar GroveBataviaOswegoNapervilleWinfield
Very lowLowModerateHighVery high
Warrenvillemostly inland floodingHigh
Montgomerymostly inland floodingHigh
Sugar Grovemostly inland floodingModerate
Winfieldmostly inland floodingModerate
Napervillemostly inland floodingModerate
Oswegomostly inland floodingLow
Auroramostly inland floodingLow
Napervillemostly inland floodingLow
Bataviamostly inland floodingVery low
North Auroramostly 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. Aurora covers 36 census tracts, combined by population.
Money that reached townFlood claims are matched to Aurora’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of Aurora. 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 Aurora total about $53.7M 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
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