Weather Alerts Map

Knoxville weather alerts

There are no active weather alerts for Knoxville, TN right now.

The National Weather Service issues alerts for Knoxville as part of Knox County.

Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS

Map data: NWS, OpenFreeMap, OpenStreetMap

Tornado history within 25 miles of Knoxville

46 tornadoes have been recorded within 25 miles of Knoxville since 1950, killing 3 people and injuring 96. The most recent was on August 7, 2023 (rated EF2).

EF0: 21EF021EF1: 13EF113EF2: 8EF28EF3: 3EF33EF4: 1EF41EF5: 0EF5
Tornadoes by (E)F rating

Strongest tornadoes within 25 miles of Knoxville

DateRatingCountyPath lengthWidthDeathsInjuries
April 27, 2011EF4Monroe County14.5 mi1,320 yd00
February 21, 1993F3Roane County30 mi100 yd155
February 21, 1993F3Anderson County16 mi150 yd03
March 23, 2011EF3Blount County5.8 mi500 yd02
April 27, 2011EF2Monroe County16.9 mi440 yd00

Most recent tornadoes

DateRatingCountyPath lengthWidthDeathsInjuries
August 7, 2023EF2Knox County3.7 mi200 yd00
August 3, 2023EF1Roane County0.5 mi200 yd00
January 12, 2023EF0Jefferson County0.4 mi30 yd00
June 7, 2019EF0Blount County0.1 mi30 yd00
June 7, 2019EF0Blount County0.1 mi15 yd00

Tennessee tornado history and map →

How often alerts are issued for Knox County

Alert type2016–2025Last issued
Severe Thunderstorm Warning289September 6, 2026
Flood Advisory191October 3, 2026
Dense Fog Advisory58November 6, 2026
Wind Advisory54October 10, 2026
Flash Flood Warning45September 24, 2026
Freeze Warning44November 2, 2023
Flood Watch41August 12, 2026
Severe Thunderstorm Watch35August 17, 2026
Frost Advisory27April 7, 2024
Winter Weather Advisory24November 10, 2025

Full Knox County alert history →

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