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Decatur County, Kansas Flood Zones

Check an Address in Decatur County

Enter any address in Decatur County, Kansas to see its FEMA flood zone

The Flooding Character of Decatur County

Flash flooding from thunderstorms is the dominant flood character in Decatur County. Between 1993 and 2023, NOAA Storm Events data recorded 12 flash flood events and 5 flood events. Recent examples include localized flash flooding on June 30, 2023, following severe thunderstorms, and on May 26, 2019, which also produced hail and strong winds. Additionally, snowmelt contributed to flooding on March 13, 2019, causing local roads to flood along the North Fork of the Prairie Dog Creek.

Residents in areas prone to flash flooding, particularly those near creeks and low-lying areas, should pay close attention to flood risk. Homeowners in these locations, or those without a Base Flood Elevation (BFE) designation, are most likely to be impacted by flood events.

Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.

Read First-Hand Flood Stories from Decatur County

4 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

Read Kansas flood stories →

Flood Risk Data for Decatur County

Decatur County, Kansas has recorded 17 flood-related events since 1996 according to NOAA's Storm Events Database, including 12 flash floods and 5 river or area floods. The county has received 11 federal disaster declarations. Enter any address above to check its FEMA flood zone designation.

Decatur County Disaster History

FEMA Disaster Declarations (2004–2020)

Disaster Declarations
11
Latest Disaster
Covid-19 (2020-01-20)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Decatur County

DeclarationTypeDate
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Winter Storm, Snowstorm, Straight-line Winds, And FloodingSnowstormApr 28, 2017
Severe Storms, Flooding, And TornadoesSevere StormJun 7, 2010
Severe Winter Storms And SnowstormSevere StormDec 22, 2009
Severe Storms, Flooding And TornadoesSevere StormMay 22, 2008
Severe Winter StormsSevere StormDec 6, 2007
Severe Winter StormSevere StormDec 28, 2006
Severe Winter StormSevere StormNov 27, 2005
Hurricane Katrina EvacuationHurricaneSep 1, 2005

Recorded Flood Events in Decatur County

NOAA Storm Events Database (1996–2025)

Total Flood Events
17
River/Area Floods
5
Flash Floods
12
Total Property Damage
$5,000

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Decatur County

TypeDateDamage
FloodJun 30, 20230.00K
Flash FloodMay 26, 20190.00K
FloodMar 13, 20190.00K
Flash FloodAug 13, 20190.00K
Flash FloodJul 29, 20180.00K
FloodSep 4, 20160.00K
Flash FloodSep 3, 20160.00K
Flash FloodJun 21, 20100.00K
Flash FloodJun 11, 20100.00K
Flash FloodAug 14, 20090.00K

Decatur County Flood History

Flood — Jun 30, 2023

In the early afternoon of the 30th, storms from Colorado crossed into Kansas along I-70. These storms caused widespread wind damage and up to 2 inch in diameter hail. The highest measured wind gust was 79.4 mph at Hill City and then the station promptly stopped reporting winds. One injury did occur when a vehicle was blown off of the road. Torrential rainfall also lead to localized flash flooding.

Flash Flood — May 26, 2019

Thunderstorms in northwest Kansas produced a tornado in Thomas County in addition to several reports of hail, strong winds, and flash flooding from heavy rains.

Flood — Mar 13, 2019

Due abundant snow melt, flood waters rose out of the banks in the North Fork of the Prairie Dog Creek in Northeast Thomas County and Southwest Decatur County, flooding local roads.

Flash Flood — Aug 13, 2019

Thunderstorms produce hail up to lime size, damaging winds, and flash flooding in northwest Kansas.

Flash Flood — Jul 29, 2018

The thunderstorm activity from Colorado moved into Northwest Kansas during the mid evening, with a second round moving in from the north in the late evening. The strongest wind reported with these storms was 61 MPH at Oakely, as a second round of storms moved through. The largest hail reported was golf ball size near Gove from the second round of storms.

Source: NOAA National Weather Service Storm Events Database.

Kansas Statewide Flood Insurance Data

Total NFIP Claims
7,847
Total Claims Paid
$113.7M

Flood Zone Types in Decatur County

FEMA assigns flood zone designations to areas in Decatur County, Kansas:

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.

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Flood Insurance in Decatur County

Properties in Decatur County, Kansas 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. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.

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