FloodZoneMap.org

Lemhi County, Idaho Flood Zones

Check an Address in Lemhi County

Enter any address in Lemhi County, Idaho to see its FEMA flood zone

Lemhi County Disaster History

Disaster Declarations
5
Hurricane Disasters
1
Latest Disaster
COVID-19 (2020-01-20)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Lemhi County

DeclarationTypeDate
COVID-19 Biological2020-01-20
COVID-19 PANDEMICBiological2020-01-20
HURRICANE KATRINAHurricane2005-08-29
WILDFIRESFire2000-07-27
ICE JAMS AND FLOODINGSnowstorm1984-01-17

Flood Zone Types in Lemhi County

FEMA assigns flood zone designations to areas in Lemhi County, Idaho:

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 Lemhi County

Properties in Lemhi County, Idaho 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.