Lewis County, Tennessee tornadoes

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15confirmed tornadoes since NOAA records began in 1950 (the first here in 1991). Most recent: May 20, 2025, EF0. 2026 so far: 0 preliminary reports preliminary

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Map

Every tornado path in the county

Tornado paths, 1950 to 2025
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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

Recent warnings

Recent warnings in Lewis County

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The record

At a glance

Total151950 to 2025
Per year0.2average since 1950
Peak monthMarch7 of 15
StrongestEF3Dec 23, 2015
Deaths1whole paths, see note
Injuries26whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Lewis County.

Seasons

When tornadoes hit here

By month

70 Jan: 2Feb: 1Mar: 7Apr: 1May: 3Jun: 0Jul: 0Aug: 0Sep: 0Oct: 0Nov: 0Dec: 1JanFebMarAprMayJunJulAugSepOctNovDec

March is the peak month, with 7 of 15 tornadoes.

By time of day

30 12 AM: 0: 2: 23 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 0: 012 PM: 0: 2: 13 PM: 2: 0: 16 PM: 3: 0: 29 PM: 0: 0: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 6:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

20 1950: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01960: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01970: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01980: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01990: 0: 1: 1: 0: 0: 0: 0: 2: 0: 02000: 0: 0: 0: 0: 0: 0: 1: 0: 1: 12010: 0: 0: 0: 2: 0: 1: 2: 1: 0: 02020: 0: 1: 0: 0: 0: 119501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0
5
EF1
5
EF2
4
EF3
1

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

The record

Notable tornadoes

Deadliest

F2, March 22, 1991

1 deaths, 14 injuries Strongest

EF3, December 23, 2015

48.38 mile path Longest path

48.38 miles, EF3

December 23, 2015, whole path Widest

800 yards, EF3

December 23, 2015
Every tornado

All 15 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
May 20, 2025EF02.67 mi50 yd00
Mar 25, 2021EF222.12 mi350 yd01
Mar 27, 2017EF19.75 mi500 yd00
Mar 31, 2016EF00.71 mi50 yd00
Mar 31, 2016EF03.49 mi350 yd00
Dec 23, 2015EF348.38 mi800 yd07
Jan 30, 2013EF13.74 mi200 yd00
Jan 30, 2013EF19.1 mi100 yd00
May 1, 2009EF15.28 mi150 yd02
Feb 5, 2008EF122.85 mi200 yd00
Apr 7, 2006F00.3 mi100 yd00
Mar 1, 1997F27.8 mi440 yd02
Mar 1, 1997F23.9 mi440 yd00
May 12, 1992F00.5 mi10 yd00
Mar 22, 1991F25 mi50 yd114
Nearby

Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 13, 2026.