Enter any address in Boone County, Nebraska to see its FEMA flood zone
Flash flooding from thunderstorms is the primary flood concern in Boone County, NE. Over the last 30 years, NOAA Storm Events data shows 21 flash flood events and 10 flood events. Recent examples include flash flooding in July 2025, associated with a mesoscale convective system, and widespread flooding in March 2019, caused by rapid snowmelt and heavy rainfall from a bomb cyclone.
National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A have experienced the majority of claims, with an average payout of $8,984 and an average water depth of 0.5 feet. While Zone X has seen fewer claims, one claim averaged $9,033 with no reported water depth. Homeowners in Zone A, and those located near waterways or in areas prone to rapid rainfall accumulation, should pay particular attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
11 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Boone County, Nebraska has recorded 31 flood-related events since 1996 according to NOAA's Storm Events Database, including 21 flash floods and 10 river or area floods. The county has received 20 federal disaster declarations, 6 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1966–2025)
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, And Tornadoes | Tornado | Apr 25, 2024 |
| 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 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jun 25, 2025 | 0.00K |
| Flash Flood | Jul 7, 2025 | 0.00K |
| Flash Flood | Mar 13, 2019 | 52.00K |
| Flash Flood | Mar 13, 2019 | 50.00K |
| Flood | Mar 13, 2019 | 0.00K |
| Flash Flood | May 20, 2011 | 1.00K |
| Flood | Jun 22, 2010 | 5.00K |
| Flash Flood | Jun 20, 2010 | 2.00K |
| Flood | Jun 12, 2010 | 80.00K |
| Flood | Jun 12, 2010 | 70.00K |
Flash Flood — Jun 25, 2025
From the afternoon of June 25th into the morning of June 26th, continuous thunderstorms occurred in eastern Nebraska along a stalled surface trough/boundary stretching from northwest Iowa into northwest Kansas. Thunderstorm development was also aided by low level moisture transport and a passing mid-level disturbance. ||With storm motion largely parallel to the boundary, many locations saw repe...
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 — 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...
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 — May 20, 2011
Thunderstorms repeatedly tracked across Boone county, especially west of Albion, for several hours during the evening of 5/20. This produced isolated flash flooding across a few roads in the Cedar Rapids and Primrose area. The storms developed and tracked around a large upper low to the west of the region.
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 Boone 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 Boone 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.