Sevier County, Tennessee
Natural disaster risk, federal disaster history and flood insurance facts.
Sevier County, Tennessee has a relatively low overall risk from natural hazards in FEMA's National Risk Index. Its risk score is higher than 77% of US counties. It ranks 17th of 95 counties in Tennessee. The costliest hazards here are inland flooding, earthquakes and tornadoes. FEMA estimates about $32 million a year in expected losses, or roughly $326 per resident. Since 1972 it has been included in 21 federal disaster or emergency declarations for natural events (14 major disasters). The most recent was in February 2026 (severe winter storm). Fewer than 1 in 100 homes here carry federal flood insurance (426 policies). Since 1978, federal flood insurance has paid about $4.1 million on 350 claims here.
FEMA National Risk Index December 2025; OpenFEMA declarations to Nov 6, 2026; NFIP records. Updated November 6, 2026.
Top risks in Sevier County
- Check the FEMA flood map for your address, and ask the seller or landlord about past flooding.
- Price a flood policy now. Most new federal policies take 30 days to start.
- Ask whether an older house is bolted to its foundation.
- Consider separate earthquake insurance where risk is high.
- Pick a shelter spot: a basement, or an inside room on the lowest floor with no windows.
- Turn on emergency alerts on your phone and keep a weather radio.
All 18 hazards
What the ratings mean ›| Hazard | Rating | Score | Expected loss a year | |
|---|---|---|---|---|
| Inland flooding | 84.1 | $21M | ||
| Earthquake | 90.0 | $4M | ||
| Tornado | 70.9 | $2M | ||
| Cold wave | 68.9 | $2M | ||
| Lightning | 84.3 | $767K | ||
| Strong wind | 63.5 | $688K | ||
| Landslide | 97.4 | $338K | ||
| Wildfire | 78.7 | $306K | ||
| Hail | 56.2 | $286K | ||
| Winter weather | 81.2 | $191K | ||
| Heat wave | 36.2 | $162K | ||
| Ice storm | 61.0 | $120K | ||
| Hurricane | 56.5 | $119K | ||
| Drought | 28.9 | $18K |
Scores are percentiles: a score of 90 means higher risk than about 90% of US counties for that hazard. Hazards FEMA does not rate here are left out. Social vulnerability is relatively moderate and community resilience is relatively low in FEMA's measures.
Federal disaster history
Recent disasters nationwide ›Declarations by decade
Federal declarations for natural events that included Sevier County. 2020s bar runs to November 2026.
By type
Most recent
Show all 21
Tennessee also had 1 statewide declarations that did not name single counties.
Storm history since 1957
Tornado risk by county ›The National Weather Service has logged 421 storm reports in Sevier County since 1957, with 1 death and 2 injuries and about $10.5 million in reported damage. The strongest on record here was an EF1 tornado on June 13, 2013 near Sevierville.
Strongest tornadoes
| Date | Strength | Near | Hurt / killed |
|---|---|---|---|
| Jun 13, 2013 | EF1 | Sevierville | 0 / 0 |
| Apr 27, 2011 | EF0 | Cusick | 0 / 0 |
| Apr 27, 2011 | EF0 | Bird Xrd | 0 / 0 |
Most damaging storms
| Date | Type | Near | Damage |
|---|---|---|---|
| Feb 23, 2019 | Flood | Pitner | $4M |
| Sep 1, 1995 | Thunderstorm Wind | – | $2M |
| Jul 27, 1999 | Marine High Wind | Sevierville | $1M |
| Jul 5, 2012 | Thunderstorm Wind | Catlettsburg | $1M |
| Jul 5, 2012 | Thunderstorm Wind | French Broad | $1M |
| Jul 12, 2022 | Flash Flood | Pittman Center | $250K |
Source: NOAA Storm Events Database, county-based reports through Jul 28, 2026. Tornado records start in 1950, hail and wind in 1955, and floods and other storm types in 1996, so older decades undercount. Damage is in dollars of the year it happened and is often an estimate. Winter storms, heat and hurricanes are logged by forecast zone, not county, so they are not counted here.
Hurricanes and tropical storms
Hurricane risk by county ›Since 1916, 0 hurricanes and 4 tropical storms have passed within 65 miles of the center of Sevier County, 3 of them since 1950. The strongest was Tropical Storm Zeta (2020), with top winds near 50 mph about 34 miles away.
Strongest storms nearby
| Date | Storm | Strength | Closest |
|---|---|---|---|
| Oct 29, 2020 | Zeta | Tropical storm, 50 mph | 34 mi |
| Sep 27, 2024 | Helene | Tropical storm, 50 mph | 43 mi |
| Sep 24, 1975 | Eloise | Tropical storm, 45 mph | 56 mi |
| Jul 15, 1916 | Unnamed | Tropical storm, 40 mph | 63 mi |
Most recent storms
| Date | Storm | Strength | Closest |
|---|---|---|---|
| Sep 27, 2024 | Helene | Tropical storm, 50 mph | 43 mi |
| Oct 29, 2020 | Zeta | Tropical storm, 50 mph | 34 mi |
| Sep 24, 1975 | Eloise | Tropical storm, 45 mph | 56 mi |
| Jul 15, 1916 | Unnamed | Tropical storm, 40 mph | 63 mi |
Source: NOAA National Hurricane Center best-track records (HURDAT2), 1851 to 2025 for the Atlantic and 1949 to 2025 for the eastern Pacific. A storm counts if its track passed within 65 miles of the county's center while it was a tropical storm or hurricane. Strength is the storm's top sustained wind at that point, not the wind measured in the county. Older storms over the open sea were sometimes missed.
Flood insurance in Sevier County
Check your address flood zone ›National Flood Insurance Program (NFIP) records only; private flood policies are not included. Home counts as of Aug 3, 2026. Since 2021 NFIP prices each home separately under Risk Rating 2.0, so your price depends on the building, not the county. Ask an agent for a quote.
Homes in Sevier County
Older homes and mobile homes usually suffer more damage in storms, floods and earthquakes, and can cost more to insure. If you are buying, ask about roof age, foundation bolting and any retrofits. Source: US Census Bureau, American Community Survey 2020 to 2024 5-year estimates; 58,967 housing units.
Compare in Tennessee
All 95 ›| Largest counties | Overall risk | Top hazard |
|---|---|---|
| Shelby County | Earthquake | |
| Davidson County | Inland flooding | |
| Knox County | Inland flooding | |
| Hamilton County | Inland flooding | |
| Rutherford County | Inland flooding | |
| Williamson County | Inland flooding | |
| Montgomery County | Inland flooding | |
| Sumner County | Inland flooding |
Neighboring counties
| County | Overall risk | Declarations |
|---|---|---|
| Knox County | 17 | |
| Blount County | 16 | |
| Haywood County, NC | 19 | |
| Jefferson County | 19 | |
| Cocke County | 22 | |
| Swain County, NC | 15 |
Common questions about Sevier County
What is the biggest natural hazard in Sevier County?
Inland flooding has the highest expected yearly losses in Sevier County, about $20.6 million a year in FEMA's estimate. Earthquake is second at $4.5 million.
How many federal disasters has Sevier County had?
Sevier County has been included in 21 federal disaster or emergency declarations for natural events since 1972, including 14 major disasters. The most recent was Severe Winter Storm in February 2026.
Is Sevier County a high-risk place to live?
Its overall rating is Relatively Low, 17th highest of 95 in Tennessee. A county rating covers the whole area. Risk at one address can be much higher or lower, so check the FEMA flood map and ask about the home's history.
Do I need flood insurance in Sevier County?
Standard home insurance does not cover flooding. About 1 in 111 homes in Sevier County has federal flood insurance. Lenders require it in mapped high-risk zones, but many flood claims come from outside those zones.
How many tornadoes has Sevier County had?
NOAA records list 3 tornadoes in Sevier County since 1950. The strongest was an EF1 tornado on June 13, 2013 near Sevierville. The weather service has also logged 76 hail reports and 69 floods here.
How many hurricanes have hit Sevier County?
NOAA's hurricane records show 0 hurricanes and 4 tropical storms passing within 65 miles of the center of Sevier County. The strongest was Tropical Storm Zeta (2020), with winds near 50 mph.
Sources: FEMA National Risk Index (December 2025), OpenFEMA Disaster Declarations Summaries, and NFIP policy and claims data. Hazard Compass is independent and not affiliated with FEMA. These figures describe the whole county, not a single property, and are not insurance or safety advice. Report a problem.