Enter any address in Giles County, Tennessee to see its FEMA flood zone
Flash flooding from thunderstorms is the dominant flood character in Giles County. Between 1993 and 2023, NOAA Storm Events data recorded 43 flash flood events and 6 flood events, the latter resulting in 2 fatalities. Recent events include flash flooding on May 2, 2025, and July 12, 2022, associated with severe thunderstorms.
National Flood Insurance Program (NFIP) claims data from Giles County show that properties in Zone A experienced 16 claims with an average payout of $18,546 and an average water depth of 0.3 feet. Zone X had 9 claims averaging $13,084 and 0.4 feet of water, while Zone X_Unshaded had 1 claim averaging $3,451 and 2.0 feet of water. Homeowners in Zone A, and those in areas with lower elevations or near waterways, should pay the most attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
16 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Giles County, Tennessee has recorded 49 flood-related events since 1996 according to NOAA's Storm Events Database, including 43 flash floods and 6 river or area floods. The county has received 24 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 (1973–2026)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storm | Winter Storm | Jan 22, 2026 |
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | Apr 2, 2025 |
| Severe Storms, Tornadoes, And Flooding | Severe Storm | May 8, 2024 |
| Severe Storms, Straight-line Winds, And Tornadoes | Severe Storm | Mar 31, 2023 |
| Severe Storms, Straight-line Winds, And Tornado | Severe Storm | Mar 1, 2023 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Flooding, Landslides, And Mudslides | Flood | Feb 19, 2019 |
| Severe Winter Storm And Flooding | Severe Ice Storm | Feb 15, 2015 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | Jun 5, 2014 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flood | Mar 16, 2025 | 0.00K |
| Flash Flood | May 2, 2025 | 0.00K |
| Flash Flood | Jul 12, 2022 | 0.00K |
| Flash Flood | Mar 31, 2021 | 0.00K |
| Flood | Oct 6, 2021 | 0.00K |
| Flash Flood | Mar 24, 2020 | 25.00K |
| Flash Flood | Feb 5, 2020 | 5.00K |
| Flash Flood | Feb 23, 2019 | 0.00K |
| Flash Flood | Mar 1, 2018 | 0.00K |
| Flash Flood | Aug 11, 2017 | 5.00K |
Flood — Mar 16, 2025
A potent storm system brought multiple rounds of thunderstorms and severe weather to Middle Tennessee on March 15, 2025. The main risk for severe weather was associated with a line of thunderstorms that tracks east across Middle Tennessee during the afternoon and evening hours. This line produced one EF-1 tornado near Christiana. As this line moved towards the Cumberland Plateau, it strengthene...
Flash Flood — May 2, 2025
Scattered thunderstorms developed across Middle Tennessee during the afternoon of May 2, 2025. With abundant instability and moisture and with the help of a front moving through the area, all the ingredients were present to allow for these thunderstorms to become severe. Several reports of large hail were received, especially near the Nashville metro area. The most significant damage was report...
Flash Flood — Jul 12, 2022
The largest severe weather event of summer 2022 affected much of Middle Tennessee during the afternoon and evening hours on July 12, with numerous severe thunderstorms producing large hail and wind damage. Up to softball size hail was reported in the Chapel Hill area of Marshall County, which is the largest hail reported in Middle Tennessee in many years.
Flash Flood — Mar 31, 2021
Numerous showers and thunderstorms affected southern Middle Tennessee during the early morning hours of March 31, 2021. Thunderstorms repeatedly moved across Wayne, Lawrence, and Giles Counties for many hours, causing widespread flash flooding.
Flood — Oct 6, 2021
Scattered showers and thunderstorms developed in the afternoon hours on October 6th and lasted well into the evening hours. Multiple reports of damaging winds, flash flooding, some hail, and even a tornado were received.
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 Giles 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.
Properties in Giles 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.