Knox County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 12, 2026
Knox County, Indiana has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 2 tornado reports among 57 severe weather events here in the last 12 months, alongside 22 hail reports with hail up to 2" and 33 high-wind reports with gusts up to 60 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 Knox 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 SPC verified storm reports — 1 tornado report
“A brief EF-1 tornado with estimated peak winds of 100 mph impacted several groves of trees and an outbuilding. There were multiple videos of the tornado and drone foota (IND)”
“Possible tornado. Debris in the air and trees blown down. (IND)”
- Tornado Tornado 3 NNW Bruceville SPC verified report
- Wind Unknown 3 NNW Bruceville SPC verified report
Tuesday, August 11, 2026
1 SPC verified storm report
“Thunderstorm outflow winds downed a tree onto a patio. (IND)”
- Wind Unknown Wheatland SPC verified report
Sunday, July 26, 2026
1 SPC verified storm report · 1 NWS warning — hail up to 0.5"
“At 1026 PM EDT, Doppler radar was tracking a strong thunderstorm near Russellville, or 14 miles north of Vincennes, moving south at 20 mph. Hazard: Wind gusts up to 50 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...”
“T-storm winds downed tree at Main and Church Streets. Time estimated from radar. (IND)”
- Hail 0.5" Knox County NWS severe weather mention
- Wind Unknown Oaktown SPC verified report
Saturday, July 25, 2026
1 SPC verified storm report
“TRW winds downed a tree on Camp Arthur Road near Ford Road. Time estimated by radar. (IND)”
- Wind Unknown 3 WNW Bruceville SPC verified report
Saturday, July 18, 2026
1 NWS warning — hail up to 0.75"
“At 856 PM EDT, Doppler radar was tracking a strong thunderstorm near St. Francisville, or 7 miles southwest of Vincennes, moving southeast at 35 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... Decker.”
- Hail 0.75" Knox County NWS severe weather mention
Thursday, July 9, 2026
3 NWS warnings — wind gusts up to 50 mph
“At 848 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from 9 miles northwest of Washington to 6 miles southeast of St. Francisville. 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...”
“At 800 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Sumner to 6 miles southeast of Olney. 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 Knox County NWS severe weather mention
- Wind 50 mph Knox County NWS severe weather mention
- Wind 50 mph Knox County NWS severe weather mention
Thursday, June 25, 2026
2 NWS warnings — hail up to 0.75"
“At 412 PM EDT, Doppler radar was tracking a strong thunderstorm near Mount Carmel, moving east at 30 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... Decker.”
“At 331 PM EDT, Doppler radar was tracking a strong thunderstorm near St. Francisville, or 8 miles northeast of Mount Carmel, moving east at 30 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... Decker.”
- Hail 0.75" Knox County NWS severe weather mention
- Hail 0.75" Knox County NWS severe weather mention
Sunday, June 21, 2026
3 SPC verified storm reports — 1 tornado report
“Late report of an EF-0 tornado with path length of 0.30 miles and a maximum path width of 80 yards that began at this location. The peak winds were 85 mph with damage m (IND)”
“Downed trees and utility lines scattered around Vincennes. Time is estimated from radar. (IND)”
- Tornado Tornado 3 WNW Bicknell SPC verified report
- Wind Unknown Vincennes SPC verified report
- Wind Unknown Bicknell SPC verified report
Wednesday, June 17, 2026
1 SPC verified storm report
“Limb fell on side of house also causing a gas leak. (IND)”
- Wind Unknown Bruceville SPC verified report
Tuesday, June 9, 2026
1 NWS warning — wind gusts up to 50 mph
“At 921 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from 7 miles east of Spencer to 8 miles southeast of Sullivan. Movement was 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...”
- Wind 50 mph Knox County NWS severe weather mention
Tuesday, May 19, 2026
2 NWS warnings — hail up to 0.5"
“At 728 PM EDT, Doppler radar was tracking a strong thunderstorm 7 miles northwest of Washington, or 15 miles east of Vincennes, moving east at 20 mph. Hazard: Winds in excess of 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 629 PM EDT, Doppler radar was tracking a strong thunderstorm near Vincennes, moving northeast at 25 mph. Hazard: Winds in excess of 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... Vincennes, Bicknell, Bruceville, Plainville, Edwardsport, and Freelandville.”
- Hail 0.5" Knox County NWS severe weather mention
- Hail 0.25" Knox County NWS severe weather mention
Saturday, May 16, 2026
7 NWS warnings — hail up to 0.75"
“At 903 AM EDT, Doppler radar was tracking a strong thunderstorm over Russellville, or 11 miles northeast of Lawrenceville, moving east at 45 mph. Hazard: Winds in excess of 40 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 545 PM EDT, Doppler radar was tracking a strong thunderstorm over Lawrenceville Vincennes Airport, or near Vincennes, moving east at 25 mph. Hazard: Winds in excess of 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 0.75" Knox County NWS severe weather mention
- Hail 0.5" Knox County NWS severe weather mention
- Hail 0.5" Knox County NWS severe weather mention
- Hail 0.5" Knox County NWS severe weather mention
- Hail 0.5" Knox County NWS severe weather mention
- Hail 0.5" Knox County NWS severe weather mention
- Hail 0.25" Knox County NWS severe weather mention
Monday, April 27, 2026
1 SPC verified storm report · 2 NWS warnings — hail up to 0.75"
“At 128 PM EDT, Doppler radar was tracking a strong thunderstorm near St. Francisville, or 9 miles south of Vincennes, moving east at 60 mph. Hazard: Winds in excess of 40 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 1127 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from 10 miles northwest of Shoals to near Petersburg. Movement was east at 40 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 0.75" Knox County NWS severe weather mention
- Hail 0.25" Knox County NWS severe weather mention
- Wind Unknown 3 NNE Vincennes Univers SPC verified report
Sunday, April 26, 2026
2 SPC verified storm reports
“2 trees downed... one near 5th street and one near 15th street. (IND)”
“Late report of t-storm winds downed tree at Southwest Purdue Ag Center. Time estimated from radar. (IND)”
- Wind Unknown Vincennes SPC verified report
- Wind Unknown 4 WSW Bruceville SPC verified report
Thursday, April 2, 2026
1 NWS warning — wind gusts up to 50 mph
“WHAT...South winds 15 to 30 mph with gusts of 45 to 50 mph expected. WHERE...All of Central Indiana WHEN...From 11 AM this morning to 7 PM EDT this evening. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 50 mph Knox County NWS severe weather mention
Saturday, March 21, 2026
2 SPC verified storm reports — hail up to 2"
“Numerous public photos of 1.8 to 2.0 inch hail in Bicknell area. Time estd from radar. (IND)”
“Multiple photos of 1.3-1.7 inch hail in Bicknell. Time estd from radar. (IND)”
- Hail 2" Bicknell SPC verified report
- Hail 1.7" Bicknell SPC verified report
Sunday, March 15, 2026
5 NWS warnings — wind gusts up to 60 mph
“WHAT...For the High Wind Warning, south winds 25 to 35 mph with gusts up to 60 mph. For the Wind Advisory, southwest winds 20 to 30 mph with gusts up to 45 mph expected. WHERE...Portions of southwest and west central Indiana. WHEN...For the High Wind Warning, until 8 PM EDT this evening. For the Wind Advisory, from 8 PM this evening to 8 AM EDT Monday.”
“WHAT...For the High Wind Warning, south winds 25 to 35 mph with gusts up to 60 mph. For the Wind Advisory, southwest winds 20 to 30 mph with gusts up to 45 mph expected. WHERE...Portions of southwest and west central Indiana. WHEN...For the High Wind Warning, until 8 PM EDT this evening. For the Wind Advisory, from 8 PM this evening to 8 AM EDT Monday.”
- Wind 60 mph Knox County NWS severe weather mention
- Wind 60 mph Knox County NWS severe weather mention
- Wind 60 mph Knox County NWS severe weather mention
- Wind 60 mph Knox County NWS severe weather mention
- Wind 55 mph Knox County NWS severe weather mention
Saturday, March 14, 2026
1 SPC verified storm report
“Tree blown down by thunderstorm winds. (IND)”
- Wind Unknown 3 W Monroe City SPC verified report
Friday, March 13, 2026
4 NWS warnings — wind gusts up to 55 mph
“WHAT...West winds 25 to 35 mph with gusts up to 55 mph. WHERE...Portions of central, south central, southeast, southwest, and west central Indiana. WHEN...Until 8 PM EDT this evening. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“WHAT...West-southwest winds 25 to 35 mph with gusts up to 55 mph. WHERE...Portions of central, south central, southeast, southwest, and west central Indiana. WHEN...Until 8 PM EDT this evening. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 55 mph Knox County NWS severe weather mention
- Wind 55 mph Knox County NWS severe weather mention
- Wind 50 mph Knox County NWS severe weather mention
- Wind 50 mph Knox County NWS severe weather mention
Thursday, March 12, 2026
2 NWS warnings — wind gusts up to 50 mph
“WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Portions of central, south central, southeast, southwest, and west central Indiana. WHEN...From 5 AM to 8 PM EDT Friday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Portions of central, south central, southeast, southwest, and west central Indiana. WHEN...From 5 AM to 8 PM EDT Friday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 50 mph Knox County NWS severe weather mention
- Wind 50 mph Knox County NWS severe weather mention
Wednesday, March 11, 2026
3 NWS warnings — hail up to 0.5", wind gusts up to 50 mph
“WHAT...Southwest winds 15 to 25 mph with gusts of 45 to 50 mph expected. WHERE...Portions of central, east central, south central, southeast, southwest, and west central Indiana. WHEN...Until 5 PM EDT this afternoon. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“WHAT...Southwest winds 15 to 25 mph with gusts of 45 to 50 mph expected. WHERE...Portions of central, east central, south central, southeast, southwest, and west central Indiana. WHEN...Until 5 PM EDT this afternoon. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 50 mph Knox County NWS severe weather mention
- Wind 50 mph Knox County NWS severe weather mention
- Hail 0.5" Knox County NWS severe weather mention
Wednesday, March 4, 2026
1 SPC verified storm report · 1 NWS warning — hail up to 1.25"
“At 918 AM EST, Doppler radar was tracking a strong thunderstorm over Flat Rock, or 7 miles south of Robinson, moving east at 40 mph. Hazard: Nickel size hail. Impact: Minor hail damage to vegetation is possible. Locations impacted include... Carlisle, Oaktown, Edwardsport, Freelandville, and Pleasantville.”
- Hail 1.25" Oaktown SPC verified report
- Hail 0.88" Knox County NWS severe weather mention
Friday, January 9, 2026
2 NWS warnings — wind gusts up to 55 mph
“At 400 AM EST, Doppler radar was tracking strong thunderstorms along a line extending from 9 miles south of Linton to near Washington to near Petersburg. Movement was northeast at 55 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...”
“At 323 AM EST, Doppler radar was tracking strong thunderstorms along a line extending from near Lawrenceville to 7 miles east of Albion. Movement was northeast at 70 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...”
- Wind 55 mph Knox County NWS severe weather mention
- Wind 55 mph Knox County NWS severe weather mention
Saturday, December 27, 2025
1 SPC verified storm report
“multiple tree damage reports E and NE of Vincennes. Time estimated from radar. (IND)”
- Wind Unknown 2 E Vincennes SPC verified report
Today's severe weather outlook
Common questions
When was the last severe storm in Knox County, IN?
The most recent recorded event was in August 2026. Official NWS and SPC records show 57 severe weather events in Knox 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 Knox County recently?
Yes — 22 hail reports in the last 12 months, with hail up to 2" 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.