Johnson County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 12, 2026
Looking for storm and wind reports in Johnson County, Tennessee? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records show 33 severe weather events in the last 12 months — 20 high-wind reports with gusts up to 80 mph, plus 13 hail reports with hail up to 0.88". 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.
What the radar showed
Last 30 days in Johnson County
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.
Wednesday, August 12, 2026
1 NWS warning — wind gusts up to 50 mph
“At 1140 PM EDT, Doppler radar was tracking a strong thunderstorm 7 miles north of Elizabethton, moving southeast at 25 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Johnson City, Bristol Tn, Elizabethton, Mountain City, Jonesborough, Central, Hampton, Pine Crest, Midway, and Bluff City.”
- Wind 50 mph Johnson County NWS severe weather mention
Tuesday, August 11, 2026
2 NWS warnings — hail up to 0.25"
“At 340 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Flatwood to 6 miles northeast of Hampton. Movement was southeast at 25 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...”
“At 319 PM EDT, Doppler radar was tracking a strong thunderstorm near Chilhowie, moving southeast at 20 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... Damascus and Konnarock.”
- Hail 0.25" Johnson County NWS severe weather mention
- Hail 0.25" Johnson County NWS severe weather mention
Tuesday, July 28, 2026
1 SPC verified storm report
- Wind Unknown 1 SW Laurel Bloomery SPC verified report
Monday, July 6, 2026
2 NWS warnings — hail up to 0.25", wind gusts up to 50 mph
“At 433 PM EDT, Doppler radar was tracking a strong thunderstorm 7 miles east of Banner Hill, or 7 miles east of Erwin, 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... Johnson City, Elizabethton, Erwin, Jonesborough, Banner Hill, Central, Hampton, Midway, Pine Crest, and Unicoi.”
“At 616 PM EDT, Doppler radar was tracking a strong thunderstorm near Walnut Hill, or near Bristol Tn, moving northeast at 20 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...”
- Wind 50 mph Johnson County NWS severe weather mention
- Hail 0.25" Johnson County NWS severe weather mention
Saturday, July 4, 2026
2 NWS warnings — hail up to 0.25"
“At 149 PM EDT, Doppler radar was tracking a strong thunderstorm near Flatwood, or 7 miles west of Whitetop, moving east 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... Damascus, Laurel Bloomery, and Konnarock.”
“At 138 PM EDT, Doppler radar was tracking a strong thunderstorm near Mountain City, moving east at 20 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... Mountain City, Trade, and Neva.”
- Hail 0.25" Johnson County NWS severe weather mention
- Hail 0.25" Johnson County NWS severe weather mention
Saturday, June 27, 2026
1 NWS warning — wind gusts up to 50 mph
“At 243 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from Abingdon to 9 miles north of Tusculum. Movement was east 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...”
- Wind 50 mph Johnson County NWS severe weather mention
Thursday, June 18, 2026
3 NWS warnings — hail up to 0.25", wind gusts up to 50 mph
“At 1241 PM EDT, Doppler radar was tracking a cluster of strong thunderstorms 7 miles southeast of Abingdon, moving northeast 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... Abingdon, Glade Spring, Damascus, Laurel Bloomery, Konnarock, and Emory-Meadowview.”
“At 1138 AM EDT, Doppler radar was tracking gusty showers along a line extending from 8 miles southwest of Cleveland Va to 8 miles northeast of Elizabethton. Movement was northeast at 25 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 50 mph Johnson County NWS severe weather mention
- Wind 50 mph Johnson County NWS severe weather mention
- Hail 0.25" Johnson County NWS severe weather mention
Wednesday, April 1, 2026
1 NWS warning — hail up to 0.88"
“At 724 PM EDT, Doppler radar was tracking a strong thunderstorm near Abingdon, moving northeast at 25 mph. Hazard: Wind gusts up to 50 mph and nickel 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... Abingdon, Glade Spring, Damascus, Lindell, Harr, and Emory-Meadowview.”
- Hail 0.88" Johnson County NWS severe weather mention
Monday, March 16, 2026
1 NWS warning — wind gusts up to 75 mph
“WHAT...South winds 25 to 40 mph with gusts up to 75 mph at times across some of the higher elevations and foothills. WHERE...Blount Smoky Mountains, Cocke Smoky Mountains, Johnson, Sevier Smoky Mountains, Southeast Carter, Southeast Greene, Southeast Monroe, and Unicoi Counties. WHEN...Until 10 AM EDT this morning. IMPACTS...Damaging winds will blow down trees and power lines.”
- Wind 75 mph Johnson County NWS severe weather mention
Sunday, March 15, 2026
1 NWS warning — wind gusts up to 80 mph
“WHAT...South winds 25 to 40 mph with gusts up to 75 mph at times across some of the higher elevations and foothills. WHERE...Blount Smoky Mountains, Cocke Smoky Mountains, Johnson, Sevier Smoky Mountains, Southeast Carter, Southeast Greene, Southeast Monroe, and Unicoi Counties. WHEN...Until 10 AM EDT Monday. IMPACTS...Damaging winds will blow down trees and power lines.”
- Wind 80 mph Johnson County NWS severe weather mention
Saturday, March 14, 2026
3 NWS warnings — wind gusts up to 75 mph
“WHAT...South winds 20 to 40 mph with gusts up to 70 mph at times expected across some of the higher elevations and foothills. WHERE...Blount Smoky Mountains, Cocke Smoky Mountains, Johnson, Sevier Smoky Mountains, Southeast Carter, Southeast Greene, Southeast Monroe, and Unicoi Counties. WHEN...Until 10 AM EDT Monday. IMPACTS...Damaging winds will blow down trees and power lines.”
“WHAT...South winds 25 to 40 mph with gusts up to 65 mph possible. WHERE...Blount Smoky Mountains, Cocke Smoky Mountains, Johnson, Sevier Smoky Mountains, Southeast Carter, Southeast Greene, Southeast Monroe, and Unicoi Counties. WHEN...From 2 AM Sunday to 10 AM EDT Monday. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected.”
- Wind 75 mph Johnson County NWS severe weather mention
- Wind 75 mph Johnson County NWS severe weather mention
- Wind 65 mph Johnson County NWS severe weather mention
Saturday, March 7, 2026
1 NWS warning — hail up to 0.25"
“At 632 PM EST, Doppler radar was tracking a strong thunderstorm 7 miles south of Hampton, or 11 miles south of Elizabethton, 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...”
- Hail 0.25" Johnson County NWS severe weather mention
Thursday, February 19, 2026
1 NWS warning — wind gusts up to 55 mph
“WHAT...Southwest winds 15 to 30 mph with gusts up to 45 mph expected. WHERE...Blount Smoky Mountains, Cocke Smoky Mountains, Johnson, Sevier Smoky Mountains, Southeast Carter, Southeast Greene, Southeast Monroe, and Unicoi Counties. WHEN...Until 1 PM EST this afternoon. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 55 mph Johnson County NWS severe weather mention
Saturday, February 14, 2026
2 NWS warnings — wind gusts up to 50 mph
“WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Blount Smoky Mountains, Cocke Smoky Mountains, Johnson, Sevier Smoky Mountains, Southeast Carter, Southeast Greene, Southeast Monroe, and Unicoi Counties. WHEN...From 4 AM to 2 PM EST Sunday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Blount Smoky Mountains, Cocke Smoky Mountains, Johnson, Sevier Smoky Mountains, Southeast Carter, Southeast Greene, Southeast Monroe, and Unicoi Counties. WHEN...From 4 AM to 2 PM EST Sunday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 50 mph Johnson County NWS severe weather mention
- Wind 50 mph Johnson County NWS severe weather mention
Friday, December 19, 2025
1 NWS warning — wind gusts up to 55 mph
“At 131 AM EST, Doppler radar was tracking strong thunderstorms along a line extending from Quarry to near Peoria. 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... Mountain City, Glade Spring, Damascus, Trade, Neva, Laurel Bloomery, Konnarock, and Emory-Meadowview.”
- Wind 55 mph Johnson County NWS severe weather mention
Thursday, December 18, 2025
3 NWS warnings — hail up to 0.25", wind gusts up to 60 mph
“WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. Isolated gusts to 60 mph at locations such as Cove Mountain. WHERE...Blount Smoky Mountains, Cocke Smoky Mountains, Johnson, Sevier Smoky Mountains, Southeast Carter, Southeast Greene, Southeast Monroe, and Unicoi Counties. WHEN...Until 4 AM EST Friday. IMPACTS...Gusty winds will blow around unsecured objects.”
“WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. Isolated gusts to 60 mph at locations such as Cove Mountain. WHERE...Blount Smoky Mountains, Cocke Smoky Mountains, Johnson, Sevier Smoky Mountains, Southeast Carter, Southeast Greene, Southeast Monroe, and Unicoi Counties. WHEN...From 7 AM this morning to 4 AM EST Friday. IMPACTS...Gusty winds will blow around unsecured objects.”
- Wind 60 mph Johnson County NWS severe weather mention
- Wind 60 mph Johnson County NWS severe weather mention
- Hail 0.25" Johnson County NWS severe weather mention
Wednesday, December 17, 2025
1 NWS warning — wind gusts up to 60 mph
“WHAT...South winds 20 to 30 mph with gusts up to 45 mph expected. Isolated gusts to 60 mph at locations such as Cove Mountain. WHERE...East TN mountains including Blount Smoky Mountains, Cocke Smoky Mountains, Johnson, Sevier Smoky Mountains, Southeast Carter, Southeast Greene, Southeast Monroe, and Unicoi Counties. WHEN...From 7 AM Thursday to 4 AM EST Friday.”
- Wind 60 mph Johnson County NWS severe weather mention
Saturday, September 27, 2025
1 NWS warning — hail up to 0.5"
“At 230 PM EDT, Doppler radar was tracking a strong thunderstorm near Elizabethton, moving northeast 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...”
- Hail 0.5" Johnson County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Johnson County, TN?
The most recent recorded event was in September 2026. Official NWS and SPC records show 33 severe weather events in Johnson 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 Johnson County recently?
Yes — 13 hail reports in the last 12 months, with hail up to 0.88" 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.