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Storm ActivityTennessee Storm ActivityRoane County, TN
Tennessee · Official NOAA Storm Data

Roane County Storm Activity

Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 11, 2026

Looking for storm and wind reports in Roane County, Tennessee? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records show 33 severe weather events in the last 12 months — 17 high-wind reports with gusts up to 55 mph, plus 16 hail reports with hail up to 0.75". The most recent recorded storm activity was in September 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.

Map of Roane County, Tennessee showing the county boundary and surrounding cities
Roane County, Tennessee. Map © Mapbox © OpenStreetMap · County boundary: US Census Bureau.

33
Events (12 mo)
16
Hail
17
Wind
0
Tornado
0.75"
Max hail
55
Max wind (mph)
September 2026
Most recent

What the radar showed

Radar snapshot during the Dec 18, 2025 wind event near Roane County, Roane County, Tennessee, with NWS warning polygons
NEXRAD radar at the moment of the Dec 18, 2025 wind event (55 mph) near Roane County. Outlined polygons are the storm-based warnings exactly as issued by the National Weather Service. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

Last 30 days in Roane County

Current NEXRAD radar over Roane County, Tennessee with recent storm report locations
Current radar over the Roane County area, with storm reports from the past 7 days plotted. Refreshes throughout the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.
September 2026 2 storm days · 1 SPC verified report · 3 NWS warnings — hail to 0.25", wind to 50 mph Exact dates & locations in app →
August 2026 3 storm days · 4 NWS warnings — hail to 0.25", wind to 50 mph Exact dates & locations in app →

Recent storms — full detail available in the app

Storm activity from the last 30 days is summarized at the county level on this page. Exact locations, radar snapshots, and official warning boundaries for recent events are available with a free account.

See the specifics — free →

Storm log — the official record, day by day

Events older than 30 days, as recorded by the National Weather Service and Storm Prediction Center. Excerpts are quoted directly from official warnings and verified reports.

Friday, July 17, 2026

2 NWS warnings — hail up to 0.25", wind gusts up to 50 mph

NEXRAD radar during the Friday, July 17, 2026 storm activity in Roane County, Tennessee
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 519 PM EDT/419 PM CDT/, Doppler radar was tracking a cluster of strong thunderstorms 7 miles southwest of Rockwood, moving northwest at 5 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Roane County

“At 153 PM EDT, Doppler radar was tracking a strong thunderstorm near Wartburg. This thunderstorm was nearly stationary. Hazard: Wind gusts up to 40 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...”

NWS severe weather mention · Roane County

Monday, July 6, 2026

1 NWS warning — hail up to 0.25"

“At 724 PM EDT, Doppler radar was tracking a strong thunderstorm near Sweetwater, moving northeast at 10 mph. Hazard: Wind gusts up to 45 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...”

NWS severe weather mention · Roane County

Sunday, July 5, 2026

3 NWS warnings — wind gusts up to 50 mph

NEXRAD radar during the Sunday, July 5, 2026 storm activity in Roane County, Tennessee
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 1237 PM EDT, Doppler radar was tracking a strong thunderstorm near Spring City, or 9 miles north of Decatur, moving east at 10 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Fairview, Spring City, Niota, Peakland, Eagle Furnace, Murray Store, Piney Falls State Park, Grandview, and Ten Mile.”

NWS severe weather mention · Roane County

“At 1233 PM EDT, Doppler radar was tracking a strong thunderstorm over Oliver Springs, or near Oak Ridge, moving east at 10 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Knoxville, Oak Ridge, Clinton, Oliver Springs, Karns, and Coalfield.”

NWS severe weather mention · Roane County

Friday, July 3, 2026

1 SPC verified storm report · 2 NWS warnings — hail up to 0.25"

NEXRAD radar during the Friday, July 3, 2026 storm activity in Roane County, Tennessee
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 714 PM EDT, Doppler radar was tracking a strong thunderstorm near Wartburg, moving northwest at 30 mph. Hazard: Wind gusts up to 50 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...”

NWS severe weather mention · Roane County

“At 642 PM EDT, Doppler radar was tracking a strong thunderstorm near Oak Ridge, moving northwest at 15 mph. Hazard: Wind gusts up to 50 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...”

NWS severe weather mention · Roane County

Sunday, June 28, 2026

1 NWS warning — wind gusts up to 50 mph

NEXRAD radar during the Sunday, June 28, 2026 storm activity in Roane County, Tennessee
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 1040 AM EDT, Doppler radar was tracking strong thunderstorms along a line extending from 10 miles east of Knoxville to Kingston. Movement was southeast at 35 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Roane County

Sunday, June 14, 2026

1 NWS warning — wind gusts up to 50 mph

NEXRAD radar during the Sunday, June 14, 2026 storm activity in Roane County, Tennessee
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 538 PM EDT, Doppler radar was tracking a strong thunderstorm 8 miles northeast of Decatur, moving east at 45 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Athens, Lenoir City, Sweetwater, Loudon, Madisonville, Decatur, Fairview, Louisville, Spring City, and Englewood.”

NWS severe weather mention · Roane County

Tuesday, June 9, 2026

1 NWS warning — hail up to 0.25"

“At 816 PM EDT, Doppler radar was tracking a strong thunderstorm near Fairview, or 9 miles southwest of Kingston, moving east at 25 mph. Hazard: Wind gusts up to 40 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...”

NWS severe weather mention · Roane County

Sunday, May 24, 2026

2 NWS warnings — hail up to 0.25", wind gusts up to 50 mph

NEXRAD radar during the Sunday, May 24, 2026 storm activity in Roane County, Tennessee
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 717 PM EDT, Doppler radar was tracking a strong thunderstorm near Farragut, or near Lenoir City, moving northeast at 30 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Knoxville, Oak Ridge, Maryville, Clinton, Lenoir City, Alcoa, Farragut, Louisville, Rockford, and Halls.”

NWS severe weather mention · Roane County

“At 640 PM EDT, Doppler radar was tracking a strong thunderstorm near Sweetwater, moving northeast at 25 mph. Hazard: Wind gusts up to 40 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...”

NWS severe weather mention · Roane County

Saturday, May 23, 2026

1 NWS warning — hail up to 0.25"

“At 814 PM EDT, Doppler radar was tracking a cluster of strong thunderstorms near Spring City, or 10 miles north of Decatur, moving east at 30 mph. Hazard: Winds in excess of 30 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...”

NWS severe weather mention · Roane County

Friday, May 22, 2026

1 NWS warning — hail up to 0.5"

“At 229 PM EDT, Doppler radar was tracking a strong thunderstorm over Lenoir City, moving northeast at 30 mph. Hazard: Wind gusts up to 40 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...”

NWS severe weather mention · Roane County

Wednesday, May 20, 2026

1 NWS warning — hail up to 0.25"

“At 620 PM EDT, Doppler radar was tracking a strong thunderstorm over Loudon, moving northeast at 15 mph. Hazard: Wind gusts up to 40 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...”

NWS severe weather mention · Roane County

Tuesday, April 28, 2026

1 NWS warning — hail up to 0.75"

NEXRAD radar during the Tuesday, April 28, 2026 storm activity in Roane County, Tennessee
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 400 AM EDT, Doppler radar was tracking a strong thunderstorm near Dayton, moving east at 55 mph. Hazard: Wind gusts up to 50 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...”

NWS severe weather mention · Roane County

Saturday, April 25, 2026

1 NWS warning — hail up to 0.5"

“At 509 PM EDT, Doppler radar was tracking a strong thunderstorm 7 miles southwest of Wartburg, moving south at 15 mph. Hazard: Wind gusts up to 40 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...”

NWS severe weather mention · Roane County

Sunday, March 15, 2026

1 SPC verified storm report

“Several trees and power lines down. (MRX)”

SPC verified report · 2 S Harriman

Thursday, December 18, 2025

5 NWS warnings — wind gusts up to 55 mph

NEXRAD radar during the Thursday, December 18, 2025 storm activity in Roane County, Tennessee
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 1054 PM EST, Doppler radar was tracking gusty showers along a line extending from near Lenoir City to near Sweetwater to 6 miles west of Etowah. Movement was east at 50 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Roane County

“At 1020 PM EST, Doppler radar was tracking gusty showers along a line extending from 7 miles north of Spring City to near Trenton. Movement was east at 45 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Roane County

Today's severe weather outlook

Storm Prediction Center Day 1 convective outlook — national severe weather risk map for today
Storm Prediction Center Day 1 convective outlook: categorical severe weather risk for today, updated several times daily. Source: NOAA/NWS Storm Prediction Center.

Common questions

When was the last severe storm in Roane County, TN?

The most recent recorded event was in September 2026. Official NWS and SPC records show 33 severe weather events in Roane County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.

Has there been hail in Roane County recently?

Yes — 16 hail reports in the last 12 months, with hail up to 0.75" recorded.

How do I check whether a specific address was affected?

Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property — county-level pages like this one only tell part of the story.

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Proudly AI-powered. Honestly sourced. IDOLCheck is built by HailyAI. Every storm event, magnitude, radar snapshot, and date on this page is deterministic — retrieved directly from official NOAA, National Weather Service (NWS), and Storm Prediction Center (SPC) storm records through our HailyDB engine and displayed exactly as reported. Quoted warning and report text is always attributed to its official source. Where the surrounding copy is not a direct quote, it was generated with AI assistance from that same verified storm data and reviewed and approved by humans before publication. AI organizes and presents the record — it never invents storm data.
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