FloodZoneMap.org

Dyer County, Tennessee Flood Zones

Check an Address in Dyer County

Enter any address in Dyer County, Tennessee to see its FEMA flood zone

The Flooding Character of Dyer County

Flash flooding and general flooding events have been the most common types of severe weather in Dyer County, TN over the past 30 years. Recent examples include flash flooding on April 5, 2025, and river flooding that occurred April 2-5, 2025, following heavy rainfall.

National Flood Insurance Program (NFIP) data indicates that Zone A, which typically represents areas with a 1% annual chance of flooding, has had the highest number of claims. However, Zone X areas, generally considered to have a lower flood risk, have shown higher average claim payouts and water depths in some instances, suggesting that flood risk can extend beyond the most commonly designated high-risk zones. Homeowners in Zone A, as well as those in other zones with a history of claims or located near rivers, should pay close 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 Dyer County

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

Read Tennessee flood stories →

Flood Risk Data for Dyer County

Dyer County, Tennessee has recorded 38 flood-related events since 1996 according to NOAA's Storm Events Database, including 17 flash floods and 19 river or area floods. The county has received 24 federal disaster declarations, 5 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Dyer County Disaster History

FEMA Disaster Declarations (1973–2026)

Disaster Declarations
24
Flood/Coastal Disasters
5
Latest Disaster
Severe Winter Storm (2026-01-22)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Dyer County

DeclarationTypeDate
Severe Winter StormWinter StormJan 22, 2026
Severe Storms, Straight-line Winds, Tornadoes, And FloodingSevere StormApr 2, 2025
Severe Storms, Straight-line Winds, And TornadoesTornadoDec 10, 2021
Severe Storms, Straight-line Winds, And FloodingSevere StormMay 3, 2020
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Severe Storms, Flooding, Landslides, And MudslidesFloodFeb 19, 2019
FloodingFloodApr 26, 2011
Severe Storms, Straight-line Winds, Tornadoes, And FloodingSevere StormApr 19, 2011
Severe Storms, Flooding, Straight-line Winds, And TornadoesSevere StormApr 30, 2010

Recorded Flood Events in Dyer County

NOAA Storm Events Database (1996–2025)

Total Flood Events
38
River/Area Floods
19
Flash Floods
17
Hurricanes/Tropical Storms
2
Total Property Damage
$14.8M

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Dyer County

TypeDateDamage
Flash FloodFeb 15, 20250.00K
FloodApr 7, 20250.00K
FloodApr 7, 2025750.00K
FloodApr 6, 20251.25M
FloodApr 6, 202525.00K
Flash FloodApr 5, 20250.00K
Flash FloodMay 24, 20240.00K
FloodFeb 11, 20190.00K
Flash FloodFeb 24, 201830.00K
FloodFeb 21, 20180.00K

Dyer County Flood History

Flash Flood — Feb 15, 2025

An upper-level trough crossed the Four Corners region and dipped into northern Mexico on February 14, 2025. In response, deep southwesterly flow set up over the Lower Mississippi Valley and advected Gulf moisture poleward. Showers and thunderstorms blossomed across the region during the early morning hours on February 15, 2025. Meanwhile, a warm front quickly accelerated northward during the mo...

Flood — Apr 7, 2025

Total rainfall amounts of 10-15 inches occurred across parts of east Arkansas, the Missouri Bootheel, West Tennessee, and extreme northwest Mississippi during the April 2- April 5 event. This resulted in widespread river flooding for several days following the event including major flooding on the Obion River and the North Fork Forked Deer River.

Flood — Apr 6, 2025

Total rainfall amounts of 10-15 inches occurred across parts of east Arkansas, the Missouri Bootheel, West Tennessee, and extreme northwest Mississippi during the April 2- April 5 event. This resulted in widespread river flooding for several days following the event including major flooding on the Obion River and the North Fork Forked Deer River.

Flash Flood — Apr 5, 2025

The front eventually sagged south back into the Mid-South during the early morning hours of April 5th. Strong low-level moisture transport into the frontal zone resulted in heavy rain and training storms across northern sections of the Mid-South, mainly north of I-40. A bow echo developed along and just south of the slowly advancing front. This feature crossed the entire forecast area producing...

Flash Flood — May 24, 2024

An active storm pattern as several mid-level shortwaves crossed the region. An MCV lifted east northeast out of the Ozarks across southern Arkansas. The MCV fired up morning convection across the Mid-South with isolated storm coverage in the afternoon. A weak capped environment was broken and steep mid-level lapse rates, roughly 30 knots of shear, and plentiful instability allowed storms to flo...

Source: NOAA National Weather Service Storm Events Database.

Dyer County NFIP Flood Insurance Claims

Total Claims Filed
243
Total Paid Out
$6.0M
Avg Claim
$28,493
Avg Water Depth
7.6 ft

Claims by Flood Zone

A Zones (High Risk)
209
X Shaded (500-yr)
1
X Unshaded (Low)
8

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

Flood Zone Types in Dyer County

FEMA assigns flood zone designations to areas in Dyer County, Tennessee:

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 Dyer County

Properties in Dyer County, Tennessee 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.