FloodZoneMap.org

Powell County, Montana Flood Zones

Check an Address in Powell County

Enter any address in Powell County, Montana to see its FEMA flood zone

Powell County Disaster History

Disaster Declarations
16
Flood/Coastal Disasters
4
Hurricane Disasters
1
Latest Disaster
WINDY ROCK FIRE (2025-08-26)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Powell County

DeclarationTypeDate
WINDY ROCK FIREFire2025-08-26
STRAIGHT-LINE WINDSStraight-Line Winds2024-07-24
COVID-19 Biological2020-01-20
COVID-19 PANDEMICBiological2020-01-20
FLOODINGFlood2018-05-01
RICE RIDGE FIRE Fire2017-08-28
SEVERE STORMS AND FLOODINGSevere Storm2011-04-04
HURRICANE KATRINA EVACUATIONHurricane2005-08-29
MT-LINCOLN FIRE COMPLEX - 08/14/2003Fire2003-08-14
SEVERE WINTER STORMSSevere Storm2001-06-03

Flood Zone Types in Powell County

FEMA assigns flood zone designations to areas in Powell County, Montana:

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 Powell County

Properties in Powell County, Montana 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.