FloodZoneMap.org

Wallace County, Kansas Flood Zones

Check an Address in Wallace County

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

The Flooding Character of Wallace County

Flash flooding from intense thunderstorms is the primary flood concern in Wallace County. Over the past 30 years, the NOAA Storm Events Database has recorded 17 instances of flash flooding and 4 instances of more general flooding. Recent events illustrate this pattern, including flooding in western Wallace County on May 30, 2023, following heavy rainfall, and flooding in Wallace County on June 16, 2023, also attributed to severe thunderstorms producing heavy rain.

Residents in areas identified by FEMA as being at higher risk, such as those within Special Flood Hazard Areas (SFHAs), should pay particular attention to flood risk. These zones typically indicate a higher likelihood of experiencing flood events.

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

Read First-Hand Flood Stories from Wallace County

5 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 Wallace County

Wallace County, Kansas has recorded 21 flood-related events since 1996 according to NOAA's Storm Events Database, including 17 flash floods and 4 river or area floods. The county has received 16 federal disaster declarations. Enter any address above to check its FEMA flood zone designation.

Wallace County Disaster History

FEMA Disaster Declarations (2004–2025)

Disaster Declarations
16
Latest Disaster
Severe Storms, Straight-line Winds, Tornadoes, And Flooding (2025-06-03)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Wallace County

DeclarationTypeDate
Severe Storms, Straight-line Winds, Tornadoes, And FloodingSevere StormJun 3, 2025
Severe Winter Storm, Straight-line Winds, Flooding, And WildfiresSevere StormMar 14, 2025
Severe Storms, Straight-line Winds, Tornadoes, And FloodingSevere StormJun 26, 2024
Severe Storms, Straight-line Winds, Tornadoes, And FloodingSevere StormJul 14, 2023
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 Storms, Straight-line Winds, Tornadoes, Flooding,landslides,and MudslidesSevere StormApr 28, 2019
Severe Winter Storm, Snowstorm, Straight-line Winds, And FloodingSnowstormApr 28, 2017

Recorded Flood Events in Wallace County

NOAA Storm Events Database (1996–2025)

Total Flood Events
21
River/Area Floods
4
Flash Floods
17
Total Property Damage
$60,000

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Wallace County

TypeDateDamage
FloodMay 30, 20230.00K
Flash FloodMay 30, 20230.00K
FloodJun 16, 20230.00K
FloodMay 11, 202310.00K
Flash FloodMay 26, 20190.00K
Flash FloodAug 23, 20190.00K
Flash FloodJul 4, 20180.00K
Flash FloodJul 26, 20150.00K
FloodAug 8, 20130.00K
Flash FloodAug 7, 20130.00K

Wallace County Flood History

Flood — May 30, 2023

Widespread thunderstorm activity occurred over Northwest Kansas during the evening. Hail up to golf ball size was reported at Rexford. Thunderstorm winds moving out ahead of the storm over Cheyenne County caused a localized dust storm on Highway 27. Later in the evening wind gusts up to 59 MPH were reported near Norton. The repeated rounds of rainfall over part of the area led to flooding i...

Flash Flood — May 30, 2023

Widespread thunderstorm activity occurred over Northwest Kansas during the evening. Hail up to golf ball size was reported at Rexford. Thunderstorm winds moving out ahead of the storm over Cheyenne County caused a localized dust storm on Highway 27. Later in the evening wind gusts up to 59 MPH were reported near Norton. The repeated rounds of rainfall over part of the area led to flooding i...

Flood — Jun 16, 2023

In the early afternoon of the 16th, a system of thunderstorms formed in east central Colorado and progressed eastward into Kansas. The severe cells of this system remained about 30 miles south of I-70 until it was near the Oakley area, where it began a northeastward trend. Up to 2 inch diameter hail and a 67 mph wind gust was reported from this system. Multiple reports of 2 inches of rain were ...

Flood — May 11, 2023

A high impact storm system moved across Northwest Kansas. The storm system produced an environment that was favorable for any of the developing thunderstorms to produce a tornado, which led to multiple tornadoes occurring on this day. The strongest tornado was rated an EF-1 which caused damage to the high school in Weskan. ||Otherwise thunderstorms produced hail up to half dollar in size near...

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.

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 Wallace County

FEMA assigns flood zone designations to areas in Wallace 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 Wallace County

Properties in Wallace 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.