FloodZoneMap.org

Graham County, Kansas Flood Zones

Check an Address in Graham County

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

The Flooding Character of Graham County

Flash flooding from intense thunderstorms is the primary flood concern in Graham County, Kansas. Between 1993 and 2023, the NOAA Storm Events Database recorded 22 flash flood events and 5 general flood events in the county. For example, on May 25, 2023, slow-moving thunderstorms produced upwards of 6 inches of rain near Hoxie, leading to flooding in multiple locations.

Residents in flood zones, particularly those without a home elevated to the Base Flood Elevation (BFE), should pay close attention to flood risk.

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

Read First-Hand Flood Stories from Graham County

15 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 Graham County

Graham County, Kansas has recorded 27 flood-related events since 1996 according to NOAA's Storm Events Database, including 22 flash floods and 5 river or area floods. The county has received 16 federal disaster declarations, 1 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Graham County Disaster History

FEMA Disaster Declarations (1993–2025)

Disaster Declarations
16
Flood/Coastal Disasters
1
Latest Disaster
Severe Winter Storm, Straight-line Winds, Flooding, And Wildfires (2025-03-14)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Graham County

DeclarationTypeDate
Severe Winter Storm, Straight-line Winds, Flooding, And WildfiresSevere StormMar 14, 2025
Severe Winter Storms And Straight-line WindsSnowstormMar 17, 2022
Severe Storms And Straight Line WindsSevere StormDec 15, 2021
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Winter Storm, Snowstorm, Straight-line Winds, And FloodingSnowstormApr 28, 2017
Severe Storms And FloodingSevere StormSep 2, 2016
Severe Winter Storms And SnowstormSevere StormDec 22, 2009
Severe Storms, Flooding And TornadoesSevere StormMay 22, 2008
Severe Winter StormsSevere StormDec 6, 2007

Recorded Flood Events in Graham County

NOAA Storm Events Database (1996–2025)

Total Flood Events
27
River/Area Floods
5
Flash Floods
22
Total Property Damage
$728,130

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Graham County

TypeDateDamage
FloodMay 25, 20235.00K
Flash FloodMay 25, 20231.00K
Flash FloodAug 13, 20190.00K
Flash FloodAug 8, 20190.00K
Flash FloodJun 30, 20180.00K
Flash FloodJun 30, 2018500.00K
FloodMay 28, 20180.00K
Flash FloodMay 28, 2018100.00K
Flash FloodMay 28, 20180.00K
Flash FloodOct 2, 20170.00K

Graham County Flood History

Flood — May 25, 2023

In the late morning of the 25th, a line of storms from eastern Kansas restrengthened as they slowly moved northwest. These storms dumped upwards of 6 inches of rain near Hoxie and caused flooding in various locations in northwest Kansas. As the day progressed, more storms began firing to the west from the outflow of this initial system. In the afternoon of the 25th, these new slow moving, high ...

Flash Flood — May 25, 2023

In the late morning of the 25th, a line of storms from eastern Kansas restrengthened as they slowly moved northwest. These storms dumped upwards of 6 inches of rain near Hoxie and caused flooding in various locations in northwest Kansas. As the day progressed, more storms began firing to the west from the outflow of this initial system. In the afternoon of the 25th, these new slow moving, high ...

Flash Flood — Aug 13, 2019

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

Flash Flood — Aug 8, 2019

A severe thunderstorm produced a wind gust of 59 mph at the Goodland airport. Repeated thunderstorms with heavy rain produced localized flash flooding in northwest Kansas late on the night of the 7th and into the early morning hours of the 8th.

Flash Flood — Jun 30, 2018

During the evening the group of thunderstorms from East Central Colorado moved into Northwest Kansas behind a cold front. As the thunderstorms moved into Kansas they become an organized thunderstorm complex, turning into more of a wind threat than a hail threat. Peak wind gusts from this event were estimated at 100 MPH from damage in Hoxie and in far southern Cheyenne County. As this complex...

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 Graham County

FEMA assigns flood zone designations to areas in Graham 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.

View all flood zone types →

Flood Insurance in Graham County

Properties in Graham 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.