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Thomas County, Nebraska Flood Zones

Check an Address in Thomas County

Enter any address in Thomas County, Nebraska to see its FEMA flood zone

Read First-Hand Flood Stories from Thomas County

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

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Flood Risk Data for Thomas County

Thomas County, Nebraska has recorded 4 flood-related events since 1996 according to NOAA's Storm Events Database, including 2 flash floods and 2 river or area floods. The county has received 10 federal disaster declarations. Enter any address above to check its FEMA flood zone designation.

Thomas County Disaster History

FEMA Disaster Declarations (2001–2024)

Disaster Declarations
10
Latest Disaster
Severe Storms, Straight-line Winds, Tornadoes, And Flooding (2024-06-19)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Thomas County

DeclarationTypeDate
Severe Storms, Straight-line Winds, Tornadoes, And FloodingSevere StormJun 19, 2024
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Storms, Tornadoes, Straight-line Winds, And FloodingSevere StormJun 17, 2018
Thedford FireFireApr 22, 2011
Severe Storms And FloodingSevere StormJun 1, 2010
Severe Storms, Tornadoes, And FloodingSevere StormMay 22, 2008
Severe Storms, Flooding, And TornadoesSevere StormMay 4, 2007
Hurricane Katrina EvacueesHurricaneAug 29, 2005
Severe Winter Storms, Flooding And TornadoesSevere StormApr 10, 2001

Recorded Flood Events in Thomas County

NOAA Storm Events Database (1996–2025)

Total Flood Events
4
River/Area Floods
2
Flash Floods
2
Total Property Damage
$81,000

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Thomas County

TypeDateDamage
Flash FloodMay 29, 20231.00K
FloodMay 29, 202325.00K
FloodJun 12, 201050.00K
Flash FloodJul 27, 2004

Thomas County Flood History

Flash Flood — May 29, 2023

A cold front approached western and north central Nebraska on May 29th, initiating numerous thunderstorms across western and north central Nebraska. Some storms became severe, especially over the Sandhills. Hail up to quarter size, thunderstorm wind gusts up to 75 MPH and localized flooding was reported.

Flood — May 29, 2023

A cold front approached western and north central Nebraska on May 29th, initiating numerous thunderstorms across western and north central Nebraska. Some storms became severe, especially over the Sandhills. Hail up to quarter size, thunderstorm wind gusts up to 75 MPH and localized flooding was reported.

Flood — Jun 12, 2010

A semi stationary front across the plains over a three day period remained the focus for thunderstorm development on June 11th. The thunderstorms developed initially on the high plains and spread east and intensified producing several large hail events and an isolated tornado in western Nebraska. Overnight as the low level jet strengthened storms continued producing heavy rainfall over already ...

Source: NOAA National Weather Service Storm Events Database.

Nebraska Statewide Flood Insurance Data

Total NFIP Claims
6,067
Total Claims Paid
$97.3M

Flood Zone Types in Thomas County

FEMA assigns flood zone designations to areas in Thomas 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.

View all flood zone types →

Flood Insurance in Thomas County

Properties in Thomas 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.