Tornadoes, hail, floods and severe storms recorded here between 1955 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
The part of each tornado’s path NOAA recorded in this county, 13 in all. Zoom in and the paths widen to their surveyed width.
Hover or tap a bar to see that year.
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
February 21, 1993 · Knox, Tennessee
The tornado started near Oak Ridge, moved through the Bull Run Steam Plant and went through the town of Claxton. Fifty homes were damaged and six mobile homes were destroyed. Two business were destroyed and another 10 were damaged including a weapons plant. Twelve electric transm…
January 24, 2026 · Knox, Tennessee
Total snow and sleet accumulations through the two bouts of precipitation resulted in 0.9 inches. Total ice accumulation of 0.1 inch of freezing rain accumulation on elevated surfaces and mulch beds. Freezing rain ended in the first bout around or shortly after midnight, dependin…
September 27, 2024 · Knox, Tennessee
Approximately 100 calls were logged by the Knox 911 dispatch for fallen trees during the Helene high wind event. This resulted in numerous trees blocking roads, downing powerlines, and causing thousands of power outages across the county. Several trees were reported down on Warri…
January 18, 2024 · Knox, Tennessee
Rain, freezing rain, and snow fell with a half inch of snow measured in the Hardin Valley area of Knoxville. Extreme cold followed, with refreezing of roads each night of snowmelt causing additional road hazards.
January 14, 2024 · Knox, Tennessee
Heavy, crippling snowfall fell across Knox County, with widespread reports of 8 inches to 12 inches of snow, especially across the west side of the county. A Knoxville based COOP observer measured 11.3 inches of snow, a CoCoRaHS observer in Powell recorded 8.2 inches, another jus…
February 23, 2019 · Knox, Tennessee
Flood Flood1 death, $32.5M damage Numerous roadways and structures were flooded. East Emory Road near Hallbrook Road near Halls Crossroads was closed. Flooding also reported on Northshore Drive near Ebenezer Road. South Peters Road was closed by flooding late in the evening, but a motorist still became submerged …
July 8, 2016 · Knox, Tennessee
A 66 year old female was killed by a falling tree outside of her residence in West Knoxville. Numerous trees were downed in the area by the thunderstorm winds.
November 9, 2000 · Knox, Tennessee
June 28, 1998 · Knox, Tennessee
June 27, 1998 · Knox, Tennessee
April 3, 1974 · Knox, Tennessee
April 15, 1965 · Knox, Tennessee
August 7, 2023 · Knox, Tennessee
The tornado started on Yarnell Road, then reached peak intensity and width as it passed the Lovell Crossing apartment complex. Significant roof damage was noted to several of the homes and apartments in Lovell Cove and Crossing, with partial roof loss and uplift of roof decking c…
February 28, 2011 · Knox, Tennessee
Broadcast media reported that heavy rain from a thunderstorm caused flooding countywide.
May 5, 2003 · Knox, Tennessee
Kingston Pike and Gleason Road flooded and closed.
February 14, 2003 · Knox, Tennessee
June 28, 2026 · Knox, Tennessee
High water reported at the Karns underpass near the intersection of Ball Camp Byington Road and Byington Solway Road.
June 28, 2026 · Knox, Tennessee
Tennessee Highway Patrol report of about 3 feet of running water near N Cedar Bluff Rd and Executive Park Dr.
June 28, 2026 · Knox, Tennessee
Roadway flooded near Lockett Rd and Deane Hill Dr.
June 28, 2026 · Knox, Tennessee
Roadway flooded on Downtown W Blvd, just north of Gleason Dr NW.
June 28, 2026 · Knox, Tennessee
Water flowing over Shipe Road in Corryton with at least 15 feet of the roadway covered by a couple inches of quick flowing water.
June 28, 2026 · Knox, Tennessee
Thompson School Road was starting to flood at Emory Road.
June 28, 2026 · Knox, Tennessee
Street flooding near Plum Creek Park with one or two inches of water flowing over and pooling on the road surface.
June 28, 2026 · Knox, Tennessee
Report of road being flooded at Edington and Maryville Pike. Depth was unknown and cars were still attempting to power through.
June 8, 2026 · Knox, Tennessee
The underpass beneath the railroad tracks, near Hall of Fame Drive and 5th Avenue, has flooded to a depth of several feet.
June 8, 2026 · Knox, Tennessee
Intersection of Keith Road and Sanderson Road was flooded, with a report of stalled vehicle as well.
June 8, 2026 · Knox, Tennessee
A building at the intersection of North Central Street and Broadway was taking on water through front doors.
June 8, 2026 · Knox, Tennessee
Flooding near the intersection of 3rd Creek Road and Hinton Drive. Floodwaters were reported to be up to at least knee depth.
June 8, 2026 · Knox, Tennessee
An intersection on Middlebrook Pike had minor flooding reported. No vehicles were stranded but small vehicles may be unable to pass through.
May 24, 2026 · Knox, Tennessee
Knoxville PD shared a picture on social media of Chapman Highway in South Knoxville. The picture showed the road covered with water and impassable, with a car being assisted out of the floodwaters.
May 20, 2026 · Knox, Tennessee
A large tree was felled by severe thunderstorm winds and blocked the whole road.
May 20, 2026 · Knox, Tennessee
Tree felled by severe thunderstorm winds partially blocked the eastbound lanes of a local road.
May 20, 2026 · Knox, Tennessee
A large tree was felled by severe thunderstorm wind gusts and partially blocked a roadway.
May 20, 2026 · Knox, Tennessee
A large tree was knocked over by thunderstorm winds, hanging over a local road on top of powerlines.
May 20, 2026 · Knox, Tennessee
A large tree was felled by severe thunderstorm wind gusts and blocked the entirety of a local road.
February 20, 2026 · Knox, Tennessee
Multiple trees and powerlines were blown down across Knoxville by severe thunderstorm winds, with at least one tree falling on a home in East Knoxville.
February 20, 2026 · Knox, Tennessee
Strips of green tin roof were peeled off an inn on Chapman Highway by severe thunderstorm wind gusts.
January 30, 2026 · Knox, Tennessee
Heavy snow was reported across Knox County, with 7 inches of snow measured in Kimberlain Heights and Maloneyville. Additional reports include 5.5 inches of snow near Powell, 4 inches of snow measured near Farragut, 4.5 inches of snow in Bearden, 5.3 inches of snow in Halls, and a…
December 18, 2025 · Knox, Tennessee
A flag pole in the front yard of a home in Powell was bent all the way to the ground by severe thunderstorm wind gusts.
December 18, 2025 · Knox, Tennessee
A 36 inch diameter oak tree was felled by severe thunderstorm winds and sliced through the side of a home, requiring the fire department to extricate 1 person. No confirmed injuries. Fire department reported another tree falling on a separate house in Knoxville as well as several…
December 18, 2025 · Knox, Tennessee
Over 75 calls to the county 911 system occurred due to severe wind gusts causing multiple trees and powerlines to be damaged.
October 21, 2025 · Knox, Tennessee
September 4, 2025 · Knox, Tennessee
September 4, 2025 · Knox, Tennessee
September 4, 2025 · Knox, Tennessee
September 4, 2025 · Knox, Tennessee
September 4, 2025 · Knox, Tennessee
September 4, 2025 · Knox, Tennessee
September 4, 2025 · Knox, Tennessee
September 4, 2025 · Knox, Tennessee