Natural hazards · Sycamore

Sycamore, IL natural hazards

Most of the natural-hazard damage FEMA expects in Sycamore comes from inland flooding, and overall the risk is very low for a U.S. community. Flood insurance has paid 74 claims here since 1979. 5 federal disasters brought FEMA money into town.

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

How exposed is Sycamore?

12
Very low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Sycamore to be higher than in 12% of U.S. communities, mostly from inland flooding and cold waves.

Inland flooding37%Cold waves34%Tornadoes18%Everything else11%
By hazard

What Sycamore faces

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

Inland flooding

37% of expected damage
Well below average · higher than 24% of U.S. places
Recorded about once a year in the area

Cold waves

34% of expected damage
Well below average · higher than 22% of U.S. places
Recorded about 6 times a year in the area

Tornadoes

18% of expected damage
Above average · higher than 74% 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 Sycamore flood?

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

74paid claims since 1979
$687Kpaid to owners
9homes flooded more than once
19792026

Biggest named events

  • Hurricane Ike: 7 claims, $88K
  • Mid-spring storms: 3 claims, $20K

Homes that flooded again and again

■ FEMA “severe repetitive loss” (1) ■ flooded 2+ times

of homes in flood zones
are insured
of all homes
are insured
🏷️ 15% off flood insurance. Sycamore is in FEMA’s Community Rating System (class 7) for its flood-proofing work.
Insurance rates: DeKalb County.

What’s been done with FEMA grants

133flood-prone properties bought out and cleared
Disasters that hit Sycamore

5 federal disasters brought FEMA money here

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

Brought FEMA money into SycamoreDeclared for DeKalb County only
2013

Severe Storms, Straight-Line Winds, and Flooding

35 households applied for aid $46K aid approved
2011

Severe Winter Storm and Snowstorm

$48K to the City of Sycamore for repairs
2008

Severe Storms and Flooding

96 households applied for aid $263K aid approved
2007

Severe Storms and Flooding

170 households applied for aid $906K aid approved $16K to the City of Sycamore for repairs
2006

Snow

$27K to the City of Sycamore for repairs
DeKalb County has had 10 natural disasters declared since 1953, most often floods and winter storms.
Around Sycamore

Sycamore and the towns around it

DeKalb: Moderate, mostly inland floodingSycamore: Low, mostly inland floodingMayfield: Moderate, mostly inland floodingCortland: Low, mostly inland floodingBurlington: Very low, mostly inland floodingCortland: Very low, mostly inland floodingSouth Grove: Low, mostly inland floodingDeKalb: Low, mostly inland floodingSycamore: Very low, mostly inland flooding SycamoreDeKalbSycamoreMayfield
Very lowLowModerateHighVery high
Mayfieldmostly inland floodingModerate
DeKalbmostly inland floodingModerate
Sycamoremostly inland floodingLow
Sycamoremostly 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. Sycamore covers 2 census tracts, combined by population.
Money that reached townFlood claims are matched to Sycamore’s own flood-insurance community; household aid to the registrant’s city; repair grants to the City of Sycamore. 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 Sycamore total about $3.2M 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