FloodZoneMap.org

Warren County, Illinois Flood Zones

Check an Address in Warren County

Enter any address in Warren County, Illinois to see its FEMA flood zone

Warren County Disaster History

Disaster Declarations
9
Flood/Coastal Disasters
2
Hurricane Disasters
1
Latest Disaster
SEVERE STORMS AND FLOODING (2023-06-29)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Warren County

DeclarationTypeDate
SEVERE STORMS AND FLOODINGSevere Storm2023-06-29
COVID-19 Biological2020-01-20
COVID-19 PANDEMICBiological2020-01-20
SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODINGFlood2013-04-16
SEVERE WINTER STORM AND SNOWSTORMSnowstorm2011-01-31
SEVERE STORMS AND FLOODINGSevere Storm2007-08-20
HURRICANE KATRINA EVACUATIONHurricane2005-08-29
IL-WINTER STORM 1/1/99Snowstorm1999-01-01
SEVERE STORMS & FLOODINGFlood1993-04-13

Flood Zone Types in Warren County

FEMA assigns flood zone designations to areas in Warren County, Illinois:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in Warren County

Properties in Warren County, Illinois that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. Over 20% of NFIP claims come from low and moderate-risk areas.

Visit FloodSmart.gov to find an agent and get a quote.