Enter any address in Marshall County, Kansas to see its FEMA flood zone
Flash flooding from thunderstorms is the dominant flood character in Marshall County. Over the last 30 years, NOAA Storm Events data shows 34 flash flood events compared to 7 general flood events. Recent examples include widespread flash flooding across several counties on July 29, 2020, following afternoon thunderstorms.
National Flood Insurance Program (NFIP) claims data indicates that properties designated as Zone A have experienced the most claims, with an average payout of $3,065 and an average water depth of 0.6 feet. One claim in a Zone X_Shaded area resulted in a significantly higher payout of $23,524, though with no reported water depth.
Residents in Zone A, and those in areas with higher potential for flash flooding, should pay close attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
5 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Marshall County, Kansas has recorded 41 flood-related events since 1996 according to NOAA's Storm Events Database, including 34 flash floods and 7 river or area floods. The county has received 18 federal disaster declarations, 2 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1973–2021)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storms And Straight Line Winds | Severe Storm | Dec 15, 2021 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Tornadoes And Flooding | Severe Storm | May 9, 2019 |
| Severe Storms, Straight-line Winds, Tornadoes, Flooding,landslides,and Mudslides | Severe Storm | Apr 28, 2019 |
| Severe Storms, Straight-line Winds, And Flooding | Severe Storm | Sep 1, 2018 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | May 4, 2015 |
| Severe Storms, Flooding, And Tornadoes | Severe Storm | Jun 7, 2010 |
| Severe Winter Storms And Snowstorm | Severe Storm | Dec 22, 2009 |
| Severe Winter Storm | Severe Storm | Nov 14, 2009 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jul 29, 2020 | 0.00K |
| Flash Flood | Jun 21, 2019 | 0.00K |
| Flash Flood | Jun 18, 2018 | 0.00K |
| Flash Flood | Sep 5, 2018 | 0.00K |
| Flash Flood | Sep 2, 2018 | 0.00K |
| Flash Flood | Apr 26, 2016 | 0.00K |
| Flash Flood | May 11, 2016 | 0.00K |
| Flash Flood | Jul 24, 2015 | 0.00K |
| Flash Flood | Jun 23, 2015 | 0.00K |
| Flash Flood | Jul 19, 2015 | 0.00K |
Flash Flood — Jul 29, 2020
Several counties experienced flash flooding following widespread thunderstorms during the afternoon of 7/29.
Flash Flood — Jun 21, 2019
Isolated thunderstorms during the early evening hours of June 20th produced a few large hail reports. More significant severe weather occurred during the overnight hours as two complexes moved across the forecast area.
Flash Flood — Jun 18, 2018
A cluster of thunderstorms pushed into portions of northeast Kansas during the mid-afternoon hours. Several damaging wind reports were noted.
Flash Flood — Sep 5, 2018
Additional heavy rain during the early morning hours of September 5th and 7th brought flash-flooding across portions of the area.
Flash Flood — Sep 2, 2018
Several rounds of thunderstorms along a stationary frontal boundary resulted in significant flash-flooding in portions of Riley, Marshall, and Pottawatomie Counties. Numerous damaging wind reports were noted as well.
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Marshall 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.
Properties in Marshall 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.