FloodZoneMap.org

Sioux County, Nebraska Flood Zones

Check an Address in Sioux County

Enter any address in Sioux County, Nebraska to see its FEMA flood zone

Sioux County Disaster History

Disaster Declarations
13
Flood/Coastal Disasters
2
Hurricane Disasters
1
Latest Disaster
SEVERE WINTER STORM AND STRAIGHT-LINE WINDS (2024-04-06)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Sioux County

DeclarationTypeDate
SEVERE WINTER STORM AND STRAIGHT-LINE WINDSSevere Storm2024-04-06
COVID-19 Biological2020-01-20
COVID-19 PANDEMICBiological2020-01-20
SEVERE WINTER STORM, STRAIGHT-LINE WINDS, AND FLOODINGFlood2019-03-09
SEVERE STORMS, TORNADOES, AND STRAIGHT-LINE WINDSSevere Storm2017-06-12
SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODINGSevere Storm2015-05-06
SEVERE STORMS, WINTER STORMS, TORNADOES AND FLOODINGSevere Storm2013-10-02
REGION 23 FIRE COMPLEXFire2012-08-30
SEVERE STORMS AND FLOODINGSevere Storm2010-06-01
SIOUX COUNTY FIRE COMPLEXFire2006-07-28

Flood Zone Types in Sioux County

FEMA assigns flood zone designations to areas in Sioux County, Nebraska:

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 Sioux County

Properties in Sioux County, Nebraska 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.