Enter any address in Cass County, Nebraska to see its FEMA flood zone
River flooding along the Missouri River is a significant factor in Cass County, NE. Recent events in early July 2024 saw ongoing river flooding impacting sections of I-29 and the I-29/I680 junction, with floodwaters receding slowly. Earlier, in late June 2024, strong thunderstorms produced heavy rainfall across the region, leading to flooding.
National Flood Insurance Program (NFIP) data shows that Zone A, typically areas of higher flood risk, has had the highest number of claims (179) with an average payout of $23,377 and an average water depth of 2.1 feet. Properties in Zone X also experienced claims, with an average payout of $27,494 and an average water depth of 1.9 feet, indicating that flood risk is not confined to designated high-risk zones. Residents in areas near rivers, as well as those in Zone A and Zone X, should pay close attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
28 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Cass County, Nebraska has recorded 75 flood-related events since 1996 according to NOAA's Storm Events Database, including 24 flash floods and 51 river or area floods. The county has received 27 federal disaster declarations, 8 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1967–2025)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storm And Straight-line Winds | Winter Storm | Mar 18, 2025 |
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | Jul 31, 2024 |
| Waconda-beaver Lake Fire Complex | Fire | Apr 8, 2023 |
| Severe Storms, Straight-line Winds, And Tornadoes | Severe Storm | Dec 15, 2021 |
| Severe Storms And Straight-line Winds | Severe Storm | Jul 9, 2021 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Winter Storm, Straight-line Winds, And Flooding | Flood | Mar 9, 2019 |
| Severe Storms, Tornadoes, And Straight-line Winds | Severe Storm | Jun 12, 2017 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | May 6, 2015 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Jun 24, 2024 | 75.00K |
| Flash Flood | Jul 2, 2024 | 0.00K |
| Flash Flood | Jul 2, 2024 | 50.00K |
| Flood | Jul 1, 2024 | 0.00K |
| Flash Flood | Jun 24, 2021 | 0.00K |
| Flash Flood | Jul 29, 2020 | 0.00K |
| Flood | Mar 15, 2019 | 0.00K |
| Flood | Mar 14, 2019 | 0.00K |
| Flood | Mar 13, 2019 | 15.00M |
| Flood | Mar 13, 2019 | 0.00K |
Flood — Jun 24, 2024
A series of shortwave troughs traversing the northern CONUS brought unsettled weather to the area for the end of June. On the 21st, a stationary front was draped across northeast Nebraska into Iowa. Ahead of one of the aforementioned shortwave troughs, several rounds of strong thunderstorms developed near this frontal zone and moved across northeast Nebraska. At 8 pm on the 21st, radar imagery ...
Flash Flood — Jul 2, 2024
At the beginning of July, river flooding was still ongoing along portions of the Missouri River extending from east-central Nebraska/southwest Iowa to the southern Nebraska border. Most of the length of the river crested at the end of June, so the greatest impacts are addressed in June StormData. However, sections of I-29 and the I-29/I680 junction remained closed through the first week of July...
Flood — Jul 1, 2024
At the beginning of July, river flooding was still ongoing along portions of the Missouri River extending from east-central Nebraska/southwest Iowa to the southern Nebraska border. Most of the length of the river crested at the end of June, so the greatest impacts are addressed in June StormData. However, sections of I-29 and the I-29/I680 junction remained closed through the first week of July...
Flash Flood — Jun 24, 2021
Training storms developed across southeast Nebraska, produced strong winds and caused flash flooding.
Flash Flood — Jul 29, 2020
Slow moving storms led to heavy rain and flash flooding in many places across southeast Nebraska.
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 Cass County, Nebraska:
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 Cass County, Nebraska 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.