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Tennessee · Official NOAA Storm Data

Anderson County Hail Map & Storm Reports

Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 16, 2026

Has it hailed in Anderson County, Tennessee recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 17 hail reports with hail up to 1", among 37 severe weather events logged here in the last 12 months, together with 20 high-wind reports with gusts up to 50 mph. 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 Anderson County, Tennessee showing the county boundary and surrounding cities
Anderson County, Tennessee. Map © Mapbox © OpenStreetMap · County boundary: US Census Bureau.

Anderson County hail map

Where hail and high-wind reports clustered across Anderson County over the last 12 months. Heat shows report density and significance, not radar.

37
Events (12 mo)
17
Hail
20
Wind
0
Tornado
1"
Max hail
50
Max wind (mph)
September 2026
Most recent

What the radar showed

Radar snapshot during the Aug 15, 2026 wind event near Anderson County, Anderson County, Tennessee, with NWS warning polygons
NEXRAD radar at the moment of the Aug 15, 2026 wind event (50 mph) near Anderson 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 Anderson County

Current NEXRAD radar over Anderson County, Tennessee with recent storm report locations
Current radar over the Anderson 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 · 4 NWS warnings — hail to 0.25", wind to 50 mph Exact dates & locations in app →
August 2026 3 storm days · 1 SPC verified report · 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.

Saturday, August 15, 2026

1 NWS warning — wind gusts up to 50 mph

NEXRAD radar during the Saturday, August 15, 2026 storm activity in Anderson 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 106 PM EDT, Doppler radar was tracking a strong thunderstorm 7 miles southwest of Oliver Springs, or 7 miles northeast of Kingston, moving southeast 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...”

NWS severe weather mention · Anderson County

Tuesday, August 11, 2026

2 NWS warnings — wind gusts up to 50 mph

NEXRAD radar during the Tuesday, August 11, 2026 storm activity in Anderson 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 922 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from 9 miles northeast of La Follette to near Rutledge to near Parrottsville. Movement was south at 20 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 · Anderson County

“At 916 PM EDT, Doppler radar was tracking a strong thunderstorm near Louisville, or 8 miles southwest of Knoxville, 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, Alcoa, Farragut, Louisville, Rockford, Bearden, and Karns.”

NWS severe weather mention · Anderson County

Friday, July 17, 2026

2 NWS warnings — hail up to 0.25"

“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 · Anderson County

“At 1256 PM EDT, Doppler radar was tracking a strong thunderstorm 12 miles northeast of 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 · Anderson County

Sunday, July 5, 2026

2 SPC verified storm reports · 2 NWS warnings — wind gusts up to 50 mph

NEXRAD radar during the Sunday, July 5, 2026 storm activity in Anderson 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 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 · Anderson County

“At 1142 AM EDT, Doppler radar was tracking a strong thunderstorm 7 miles southeast of Wartburg, moving east at 15 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Oak Ridge, Kingston, Rockwood, Wartburg, Oliver Springs, Midtown, Harriman, Oakdale, Coalfield, and Pine Orchard.”

NWS severe weather mention · Anderson County

Friday, July 3, 2026

3 SPC verified storm reports · 2 NWS warnings — hail up to 1"

NEXRAD radar during the Friday, July 3, 2026 storm activity in Anderson 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.

“Two separate Facebook reports of large hail in Clinton... no ruler or measurement but both look to be at least quarter sized. (MRX)”

SPC verified report · 2 WNW Clinton

“At 812 PM EDT, Doppler radar was tracking a strong thunderstorm near Clinton, moving north at 10 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... Clinton, Rocky Top, Norris, Norris Dam State Park, Disney, and Andersonville.”

NWS severe weather mention · Anderson County

Thursday, July 2, 2026

1 SPC verified storm report

“WVLT Facebook commenter reported very large tree branch down in backyard near Rocky Top. (MRX)”

SPC verified report · Lake City

Sunday, June 28, 2026

1 NWS warning — wind gusts up to 50 mph

NEXRAD radar during the Sunday, June 28, 2026 storm activity in Anderson 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 · Anderson County

Sunday, May 24, 2026

1 NWS warning — wind gusts up to 50 mph

“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 · Anderson County

Friday, May 22, 2026

2 NWS warnings — hail up to 0.5"

NEXRAD radar during the Friday, May 22, 2026 storm activity in Anderson 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 518 PM EDT, Doppler radar was tracking a strong thunderstorm over Clinton, 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 · Anderson County

“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 · Anderson County

Wednesday, May 20, 2026

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

NEXRAD radar during the Wednesday, May 20, 2026 storm activity in Anderson 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 723 PM EDT, Doppler radar was tracking a strong thunderstorm 8 miles north of Knoxville, moving north at 15 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Clinton, Maynardville, Plainview, Halls, Norris, Luttrell, Norris Dam State Park, Andersonville, Maloneyville, and Paulette.”

NWS severe weather mention · Anderson County

“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 · Anderson County

Tuesday, April 28, 2026

1 NWS warning — hail up to 0.5"

“At 332 AM EDT, Doppler radar was tracking a strong thunderstorm 12 miles northwest of Wartburg, moving east at 55 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 · Anderson County

Thursday, April 16, 2026

1 NWS warning — hail up to 0.25"

“At 647 PM EDT, Doppler radar was tracking a strong thunderstorm near Plainview, or near Maynardville, moving east at 40 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 · Anderson County

Saturday, March 21, 2026

2 NWS warnings — hail up to 0.25"

“At 446 PM EDT, Doppler radar was tracking a strong thunderstorm 9 miles northeast of Clinton, 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 · Anderson County

“At 421 PM EDT, Doppler radar was tracking a strong thunderstorm 7 miles east of Clinton, moving east at 30 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 · Anderson County

Wednesday, March 11, 2026

1 NWS warning — hail up to 0.25"

“At 709 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Lot to near Jacksboro to 6 miles east of Wartburg. Movement was northeast at 50 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 · Anderson County

Thursday, December 18, 2025

2 NWS warnings — wind gusts up to 50 mph

NEXRAD radar during the Thursday, December 18, 2025 storm activity in Anderson 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 1107 PM EST, Doppler radar was tracking gusty showers along a line extending from near Noetown to near Farragut. Movement was east at 50 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 · Anderson County

“At 1035 PM EST, Doppler radar was tracking gusty showers along a line extending from Jellico Creek to near Rockwood. Movement was east at 40 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 · Anderson 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 Anderson County, TN?

The most recent recorded event was in September 2026. Official NWS and SPC records show 37 severe weather events in Anderson County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.

Did it hail in Anderson County recently?

Yes — 17 hail reports in the last 12 months, with hail up to 1" recorded. The hail map above shows where reports clustered; the storm log lists each day.

How do I see hail history for a specific address in Anderson County?

Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property, including the most recent 30 days — 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 HailyAPI 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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