Enter any address in Antelope County, Nebraska to see its FEMA flood zone
Flash flooding from thunderstorms is the dominant flood character in Antelope County, Nebraska. Between 1994 and 2024, NOAA Storm Events data recorded 16 flash flood events and 11 flood events. Recent examples include flash flooding on July 7, 2025, and May 31, 2024, associated with developing storm systems. A significant flood event also occurred on March 13, 2019, driven by rapid snowmelt and heavy rainfall from a powerful storm system.
National Flood Insurance Program (NFIP) data indicates that properties in Zone A have experienced the majority of claims, with an average payout of $20,254 and an average water depth of 1.5 feet. While Zone X_Unshaded has had fewer claims, one claim averaged $11,776 with no reported water depth. Homeowners in Zone A, and those located near waterways or in areas prone to rapid runoff, should pay the most attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
15 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Antelope County, Nebraska has recorded 27 flood-related events since 1996 according to NOAA's Storm Events Database, including 16 flash floods and 11 river or area floods. The county has received 13 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 (1967–2022)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Storms And Straight-line Winds | Severe Storm | May 12, 2022 |
| 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 Winter Storm And Straight-line Winds | Snowstorm | Apr 13, 2018 |
| Severe Storms And Flooding | Severe Storm | Jun 1, 2010 |
| Severe Storms, Ice Jams, And Flooding | Flood | Mar 6, 2010 |
| Severe Winter Storms And Snowstorm | Severe Storm | Dec 22, 2009 |
| Severe Winter Storms | Severe Storm | Dec 19, 2006 |
| Severe Winter Storm | Severe Storm | Nov 27, 2005 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jul 7, 2025 | 0.00K |
| Flash Flood | May 31, 2024 | 10.00K |
| Flood | Jan 19, 2019 | 0.00K |
| Flood | Mar 13, 2019 | 0.00K |
| Flash Flood | Aug 15, 2017 | 30.00K |
| Flood | Aug 28, 2015 | 50.00K |
| Flash Flood | Aug 27, 2015 | 75.00K |
| Flood | May 28, 2013 | 0.00K |
| Flash Flood | Oct 2, 2013 | 0.00K |
| Flash Flood | May 27, 2012 | 15.00K |
Flash Flood — Jul 7, 2025
On July 7, 2025, a lee surface trough pushed into western Nebraska and South Dakota during the afternoon, initiating scattered thunderstorms across the region. By evening, these storms consolidated into a larger mesoscale convective system (MCS) that tracked into northeast Nebraska before expanding southward across eastern Nebraska and southwest Iowa through the night.||Ahead of the main MCS, s...
Flash Flood — May 31, 2024
Upper-level troughing was noted over the northern Rockies via upper-air analysis the morning of the 30th. This disturbance slowly tracked east across the northern Plains. Associated with this upper-level disturbance, a weakening cold front dove southeast across the northern Plains, stalling out across eastern Nebraska and northwest Iowa by the morning of the 31st. Along and ahead of this front,...
Flood — Jan 19, 2019
A winter storm brought some ice to the area. Initial forecasts also called for 2 to 5 inches of snow, but dry air in the mid levels resulted in freezing drizzle throughout the duration, and snowfall of one half inch or less. Ice accumulation ranged one or two tenths of an inch in some locations. A few power outages were noted and travel was at times difficult. A winter weather advisory was is...
Flood — Mar 13, 2019
A 971mb bomb cyclone moved out of the central Rockies on Wednesday, March 13, 2019 and helped to create widespread, moderate to major, and in many cases historic, flooding across eastern Nebraska and western Iowa. From 4 to 15 inches of snow cover remained across the mid Missouri River valley, and the ground was frozen with existing frost depths of 15 to 23 inches. Warm temperatures allowed all...
Flash Flood — Aug 15, 2017
Heavy rainfall fell on August 15th-16th The heaviest rains were focused over western Butler and Polk counties. A cooperative weather observer in David City measured 6.01 inches of rain for this event. This rain caused the Big Blue River and nearby tributaries to reach flood stage, which lasted until 8/23. Many roads were flooded and closed for several days in the affected area. Highway 30 w...
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 Antelope 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 Antelope 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.