Union County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 11, 2026
Has it hailed in Union County, Tennessee recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 17 hail reports with hail up to 0.75", among 26 severe weather events logged here in the last 12 months, together with 9 high-wind reports with gusts up to 50 mph. The most recent recorded storm activity was in August 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 Union 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
2 NWS warnings — hail up to 0.25"
“At 1014 PM EDT, Doppler radar was tracking a strong thunderstorm 10 miles south of Pruden, or 12 miles northeast of La Follette, moving southeast at 35 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 936 PM EDT, Doppler radar was tracking a strong thunderstorm over Wilkerson, or 12 miles west of Middlesboro, 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...”
- Hail 0.25" Union County NWS severe weather mention
- Hail 0.25" Union County NWS severe weather mention
Tuesday, August 11, 2026
1 NWS warning — wind gusts up to 50 mph
“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...”
- Wind 50 mph Union County NWS severe weather mention
Tuesday, July 28, 2026
1 NWS warning — hail up to 0.25"
“At 832 AM EDT, Doppler radar was tracking strong thunderstorms along a line extending from Putney to Cubage to near Pruden. Movement was southeast 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...”
- Hail 0.25" Union County NWS severe weather mention
Saturday, July 18, 2026
1 NWS warning — wind gusts up to 50 mph
“At 555 PM EDT, Doppler radar was tracking a strong thunderstorm over Maynardville, 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... Knoxville, Morristown, Jefferson City, Maynardville, Rutledge, New Tazewell, Bean Station, Tazewell, Plainview, and New Market.”
- Wind 50 mph Union County NWS severe weather mention
Friday, July 3, 2026
3 NWS warnings — hail up to 0.25", wind gusts up to 50 mph
“At 1115 PM EDT, Doppler radar was tracking a strong thunderstorm near Maynardville, moving north 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... Clairfield, White Oak, Rose Hill, Norris Lake, Sharps Chapel, Big Ridge State Park, and Fincastle.”
“At 1020 PM EDT, Doppler radar was tracking a strong thunderstorm 8 miles east of Knoxville, moving northwest at 10 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...”
- Wind 50 mph Union County NWS severe weather mention
- Hail 0.25" Union County NWS severe weather mention
- Hail 0.25" Union County NWS severe weather mention
Friday, May 22, 2026
2 SPC verified storm reports · 2 NWS warnings — hail up to 0.5"
“At 638 PM EDT, Doppler radar was tracking a strong thunderstorm 9 miles south of Pruden, or 11 miles southwest of Middlesboro, 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...”
“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...”
- Hail 0.5" Union County NWS severe weather mention
- Hail 0.5" Union County NWS severe weather mention
- Wind Unknown 2 ENE Rose Hill SPC verified report
- Wind Unknown 2 S Rose Hill SPC verified report
Wednesday, May 20, 2026
1 NWS warning — wind gusts up to 50 mph
“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.”
- Wind 50 mph Union County NWS severe weather mention
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...”
- Hail 0.25" Union County NWS severe weather mention
Saturday, March 21, 2026
3 NWS warnings — hail up to 0.25"
“At 458 PM EDT, Doppler radar was tracking a strong thunderstorm near New Tazewell, or 8 miles northwest of Rutledge, 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...”
“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...”
- Hail 0.25" Union County NWS severe weather mention
- Hail 0.25" Union County NWS severe weather mention
- Hail 0.25" Union County NWS severe weather mention
Wednesday, March 11, 2026
2 NWS warnings — hail up to 0.75"
“At 111 PM CDT, Doppler radar was tracking a strong thunderstorm near Jumpertown, or 10 miles west of Booneville, moving northeast 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...”
“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...”
- Hail 0.75" Union County NWS severe weather mention
- Hail 0.25" Union County NWS severe weather mention
Thursday, December 18, 2025
3 NWS warnings — hail up to 0.25", wind gusts up to 50 mph
“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...”
“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...”
- Wind 50 mph Union County NWS severe weather mention
- Wind 50 mph Union County NWS severe weather mention
- Hail 0.25" Union County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Union County, TN?
The most recent recorded event was in August 2026. Official NWS and SPC records show 26 severe weather events in Union 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 Union County recently?
Yes — 17 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.