Natural hazards · St. Jacob

St. Jacob, IL natural hazards

Most of the natural-hazard damage FEMA expects in St. Jacob comes from inland flooding, and overall the risk is high for a U.S. community. Flood insurance has paid 1 claim here since 2013.

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

Expected damage

How exposed is St. Jacob?

High

vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in St. Jacob to be higher than in 64% of U.S. communities, mostly from inland flooding and earthquakes.

Inland flooding37%Earthquakes19%Tornadoes16%Heat waves11%Cold waves10%Everything else7%

By hazard

What St. Jacob 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

Above average · higher than 67% of U.S. places

Recorded about once a year in the area

Earthquakes

19% of expected damage

Well above average · higher than 83% of U.S. places

Tornadoes

16% of expected damage

Well above average · higher than 88% of U.S. places

Recorded about once every 12 years in the area

Heat waves

11% of expected damage

Well above average · higher than 86% of U.S. places

Recorded about 15 times a year in the area

Cold waves

10% of expected damage

Well below average · higher than 18% of U.S. places

Recorded about 2 times a year in the area

Lower here

HurricanesHailIce stormsWinter weatherWildfireLandslidesStrong 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 St. Jacob flood?

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

1paid claims since 2013

$1Kpaid to owners

0homes flooded more than once

20132026

Biggest named events

Mid-spring storms: 1 claim, $1K

of all homes
are insured

No community discount. St. Jacob isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.

Insurance rates: Madison County.

Disasters that hit St. Jacob

Federal disasters declared here

None of the disasters declared for Madison County shows FEMA aid or repair money reaching St. Jacob itself in FEMA’s records.

Brought FEMA money into St. JacobDeclared for Madison County only

Madison County has had 14 natural disasters declared since 1953, most often floods and severe storms.

Around St. Jacob

St. Jacob and the towns around it

Very lowLowModerateHighVery high

Helvetiamostly inland floodingHigh

St. Jacobmostly inland floodingHigh

Salinemostly earthquakesHigh

Marinemostly inland floodingHigh

Lebanonmostly earthquakesHigh

Jarvismostly 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. St. Jacob covers 1 census tract, combined by population.

Money that reached townFlood claims are matched to St. Jacob’s own flood-insurance community (here, the census tracts inside it); household aid to the registrant’s city; repair grants to the Township of St. Jacob. 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 St. Jacob total about $3.7M 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.