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Atchison County, Missouri Flood Zones

Check an Address in Atchison County

Enter any address in Atchison County, Missouri to see its FEMA flood zone

The Flooding Character of Atchison County

River overflow along the Missouri River is the dominant flood character for Atchison County. Between 1993 and 2023, NOAA Storm Events data recorded 36 flood events and 11 flash flood events in the county. For example, significant flooding occurred along the Missouri River in March, April, May, and June of 2019 due to heavy snowmelt and persistent rainfall, with some areas experiencing record levels and levee failures.

FEMA National Flood Insurance Program (NFIP) data shows that properties in Zone A, which are areas of special flood hazard, have experienced the most claims, averaging $35,072 per claim with an average water depth of 2.6 feet. While Zone X_Unshaded and Zone X have fewer claims, one claim in Zone X averaged $42,000 with a water depth of 1.0 foot.

Residents in areas designated as Zone A, as well as those living near the Missouri River, should pay the most 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 Atchison County

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

Read Missouri flood stories →

Flood Risk Data for Atchison County

Atchison County, Missouri has recorded 47 flood-related events since 1996 according to NOAA's Storm Events Database, including 11 flash floods and 36 river or area floods. The county has received 23 federal disaster declarations, 8 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Atchison County Disaster History

FEMA Disaster Declarations (1965–2020)

Disaster Declarations
23
Flood/Coastal Disasters
8
Latest Disaster
Covid-19 (2020-01-20)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Atchison County

DeclarationTypeDate
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Storms, Tornadoes, And FloodingSevere StormApr 29, 2019
Severe Storms, Straight-line Winds, And FloodingFloodMar 11, 2019
Severe Storms, Tornadoes, Straight-line Winds, And FloodingSevere StormMay 15, 2015
Severe Storms, Tornadoes, Straight-line Winds, And FloodingSevere StormSep 9, 2014
FloodingFloodJun 1, 2011
Severe Winter StormSevere StormJan 31, 2011
Severe Storms, Flooding, And TornadoesSevere StormJun 12, 2010
Severe Winter StormSevere Ice StormJan 26, 2009

Recorded Flood Events in Atchison County

NOAA Storm Events Database (1996–2025)

Total Flood Events
47
River/Area Floods
36
Flash Floods
11
Total Property Damage
$6.2M

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Atchison County

TypeDateDamage
FloodMar 9, 2019100.00K
FloodMay 1, 20190.00K
FloodJun 1, 20190.00K
FloodApr 1, 20190.00K
Flash FloodMay 30, 20160.00K
FloodMay 30, 20160.00K
FloodJul 18, 20160.00K
FloodJun 11, 20150.00K
Flash FloodAug 27, 20140.00K
Flash FloodSep 9, 20140.00K

Atchison County Flood History

Flood — Mar 9, 2019

Several months of heavy snow across the Northern Plains set the stage for a significant and catastrophic flooding event when temperatures warmed and heavy rain fell across Nebraska and the Dakotas. While the more significant damage occurred across eastern Nebraska several counties along the Missouri River and Northern and Central Missouri also saw some significant impacts. Numerous locations al...

Flood — May 1, 2019

Heavy late winter and spring precipitation, mixed with a loaded snow pack caused the Missouri River to flood in March. Consistent heavy rains continued the Missouri River flooding into and through May. Some locations along the Missouri River were in major flood for several weeks as heavy rains continued.

Flood — Jun 1, 2019

Heavy late winter and spring precipitation, mixed with a loaded snow pack caused the Missouri River to flood in March. Consistent heavy rains continued the Missouri River flooding into and through June. Some locations along the Missouri River were in major flood for several weeks as heavy rains continued. While the flooding continued through June, there was some gradual and steady improvement a...

Flood — Apr 1, 2019

The flooding that began in mid March along the Missouri River continued through April and into May. Some areas experienced record flooding from this event, and several levees broke within the time span of this event.

Flash Flood — May 30, 2016

On the evening of May 30, 2016 a few storms formed over far northeast Kansas and northwest Missouri. There was no widespread severe weather, but a few of these storms produced several funnels. One of these storms in in Grundy County produced a couple weak and brief tornadoes that that did not cause any damage.

Source: NOAA National Weather Service Storm Events Database.

Atchison County NFIP Flood Insurance Claims

Total Claims Filed
122
Total Paid Out
$4.2M
Avg Claim
$43,386
Avg Water Depth
6.6 ft

Claims by Flood Zone

A Zones (High Risk)
117
X Unshaded (Low)
4

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in Atchison County

FEMA assigns flood zone designations to areas in Atchison County, Missouri:

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 Atchison County

Properties in Atchison County, Missouri 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.