Enter any address in Lewis County, Tennessee to see its FEMA flood zone
Flash flooding from heavy rainfall events is the dominant flood character in Lewis County. Recent events include significant rainfall and flooding across Middle Tennessee in February 2019, and major flash flooding in June 2014 when thunderstorms produced up to 8 inches of rain.
National Flood Insurance Program data shows claims have been filed in multiple flood zones, including Zone A and Zone X. Homeowners in areas designated as Zone A, and those in any flood zone with a history of claims and significant water depth, should pay close attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
9 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Lewis County, Tennessee has recorded 24 flood-related events since 1996 according to NOAA's Storm Events Database, including 21 flash floods and 3 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 (1975–2026)
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, Straight-line Winds, And Tornadoes | Severe Storm | Mar 31, 2023 |
| Severe Storms, Straight-line Winds, And Tornado | Severe Storm | Mar 1, 2023 |
| Severe Storms, Straight-line Winds, And Flooding | Severe Storm | May 3, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Flooding, Landslides, And Mudslides | Flood | Feb 19, 2019 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Severe Storm | Jun 5, 2014 |
| Severe Storms, Tornadoes, Straight-line Winds, And Associated Flooding | Severe Storm | Apr 25, 2011 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Feb 23, 2019 | 0.00K |
| Flash Flood | Apr 28, 2014 | 0.00K |
| Flash Flood | Jun 5, 2014 | 50.00K |
| Flash Flood | Aug 18, 2010 | 10.00K |
| Flood | May 2, 2010 | 430.00K |
| Flash Flood | May 2, 2009 | 10.00K |
| Flash Flood | May 2, 2009 | 100.00K |
| Flash Flood | May 2, 2009 | 25.00K |
| Flash Flood | May 1, 2009 | 250.00K |
| Flash Flood | Nov 30, 2004 | 2K |
Flash Flood — Feb 23, 2019
A stationary frontal boundary stalled near the Tennessee Valley for nearly a week in mid to late February 2019. Persistent southwest flow aloft brought copious amounts of Gulf of Mexico moisture northward and interacted with this boundary for many days, causing a prolonged period of heavy rain and flooding throughout Middle Tennessee from Tuesday, February 19 through early Sunday, February 24. ...
Flash Flood — Apr 28, 2014
A powerful upper level storm system moved across the region from April 28 into April 29, producing widespread showers and thunderstorms across Middle Tennessee. Several rounds of showers and storms moved across the region throughout the day on April 28, and again late in the day on April 29. Numerous reports of wind damage, flash flooding, large hail, and even one tornado were received from the...
Flash Flood — Jun 5, 2014
A weak cold front moving southward out of Kentucky spawned numerous showers and thunderstorms throughout Middle Tennessee from the late evening hours on June 4 and continuing throughout the day on June 5. Many reports of damaging winds were received with these storms. In addition, as the front stalled across southwest Middle Tennessee early on June 5, thunderstorms began training across the sam...
Flash Flood — Aug 18, 2010
The remnants of a tropical depression interacted with a stationary front in Middle Tennessee, resulting in excessive rainfall across several counties east of Interstate 65 corridor. Area averaged between six and seven inches of rain, with some areas receiving as much as a foot of rainfall. Most of the severe damage across this area included impacted bridges, roads, and multiple types of structu...
Flood — May 2, 2010
A frontal boundary setup across Western and Middle Tennessee late Friday night (April 30), and remained through the weekend. A persistent southerly flow fed moisture into the area and precipitable water values rose to almost 2 inches, based on data from KOHX upper air soundings. As a series of shortwaves moved through, a band of showers and thunderstorms developed and remained nearly stationa...
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 Lewis 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 Lewis 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.