Enter any address in Marion County, Kansas to see its FEMA flood zone
Flash flooding from thunderstorms is the dominant flood hazard in Marion County, Kansas. Between 1994 and 2024, NOAA Storm Events data recorded 37 flash flood events and 25 flood events. Recent flooding occurred in June 2024, impacting Marion County alongside McPherson County following severe thunderstorms. Another event in June 2024 also saw thunderstorms produce flash flooding across south-central Kansas, with significant flooding reported in neighboring counties.
National Flood Insurance Program (NFIP) claims data shows that properties in Zone A have experienced flood damage, with 13 claims averaging $20,319. While claims in Zone X_Unshaded and Zone Unknown were minimal with no reported water depth or payouts, homeowners in Zone A, or those located near waterways, should pay particular attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
32 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Marion County, Kansas has recorded 62 flood-related events since 1996 according to NOAA's Storm Events Database, including 37 flash floods and 25 river or area floods. The county has received 22 federal disaster declarations, 3 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1965–2024)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storm | Winter Storm | Jan 8, 2024 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Straight-line Winds, Tornadoes, Flooding,landslides,and Mudslides | Severe Storm | Apr 28, 2019 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | May 4, 2015 |
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | Jul 22, 2013 |
| Snowstorm | Snowstorm | Feb 20, 2013 |
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | May 19, 2011 |
| Severe Storms, Flooding, And Tornadoes | Severe Storm | Jun 7, 2010 |
| Severe Storms, Flooding, Straight-line Winds, And Tornadoes | Severe Storm | Apr 25, 2009 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Jun 3, 2025 | 0.00K |
| Flood | Jun 19, 2024 | 0.00K |
| Flood | Jun 18, 2024 | 0.00K |
| Flood | Jun 8, 2024 | 0.00K |
| Flood | Sep 22, 2023 | 0.00K |
| Flash Flood | May 27, 2021 | 0.00K |
| Flash Flood | Jun 25, 2021 | 0.00K |
| Flood | May 13, 2020 | 0.00K |
| Flash Flood | Jun 22, 2019 | 0.00K |
| Flood | May 21, 2019 | 0.00K |
Flood — Jun 3, 2025
Thunderstorms developed across south-central Kansas during the morning hours of June 3rd and slowly moved to the northeast. Additional rounds of thunderstorms developed and trained across portions of south-central and southeast Kansas. Numerous reports of flash-flooding were observed across the area with significant flooding across Sedgwick and Butler counties.
Flood — Jun 19, 2024
A broken lines of strong to severe storms moved into portions of central Kansas during the evening hours of June 18th. Wind gusts between 60 and 78 mph were reported during the event with the highest wind gust reported by the Bunker Hill Kansas State Mesonet site. Despite these strong winds, the only damage reported were tree limbs down in Ellinwood, KS.||Flooding also occurred across portions ...
Flood — Jun 18, 2024
A broken lines of strong to severe storms moved into portions of central Kansas during the evening hours of June 18th. Wind gusts between 60 and 78 mph were reported during the event with the highest wind gust reported by the Bunker Hill Kansas State Mesonet site. Despite these strong winds, the only damage reported were tree limbs down in Ellinwood, KS.||Flooding also occurred across portions ...
Flood — Jun 8, 2024
During the evening and into the overnight of the 8th, a complex of strong to severe thunderstorms came through central and southern Kansas. High winds up to 75 to 80 mph occurred with numerous reports of downed tree limbs and power lines. Very heavy rain occurred with this complex of storms causing flooding in southeast Kansas.
Flood — Sep 22, 2023
A couple rounds of thunderstorms moved through during the morning hours in the Flint Hills. In a couple of hours, two to over three inches of rain fell. This rain produced street flooding in Hillsboro and Marion.
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 Marion 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 Marion 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.