Knox County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 180 days · Updated Sep 11, 2026
Knox County, Illinois has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 5 tornado reports among 25 severe weather events here in the last 180 days, alongside 6 hail reports with hail up to 1.75" and 14 high-wind reports with gusts up to 55 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, June 24, 2026
1 NWS warning — hail up to 0.75"
“At 554 PM CDT, Doppler radar was tracking a strong thunderstorm near La Fayette, or 7 miles southwest of Toulon, moving east at 25 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...”
- Hail 0.75" Knox County NWS severe weather mention
Wednesday, June 17, 2026
2 SPC verified storm reports · 1 NWS warning — wind gusts up to 50 mph
“WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Portions of west central Illinois and central, east central, and northeast Missouri. WHEN...From 10 AM this morning to 6 PM CDT this evening. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“Tree on powerline at east Knox Rd. and Day St. Power outage reported. (ILX)”
- Wind 50 mph Knox County NWS severe weather mention
- Wind Unknown Galesburg SPC verified report
- Wind Unknown Williamsfield SPC verified report
Thursday, June 11, 2026
1 NWS warning — hail up to 0.25"
“At 1234 PM CDT, Doppler radar was tracking a strong thunderstorm near St. Augustine, or 13 miles south of Galesburg, 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" Knox County NWS severe weather mention
Tuesday, June 9, 2026
1 SPC verified storm report
“Flooding reported on West Carl Sandberg Drive in Galesburg with one car flooded/disabled. (ILX)”
- Wind Unknown Galesburg SPC verified report
Tuesday, May 19, 2026
1 NWS warning — wind gusts up to 50 mph
“At 125 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Viola to near Little Swan Lake. Movement was northeast at 55 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
Saturday, May 16, 2026
1 NWS warning — hail up to 0.88"
“At 440 AM CDT, Doppler radar was tracking a strong thunderstorm over La Fayette, or near Toulon, moving east at 55 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...”
- Hail 0.88" Knox County NWS severe weather mention
Friday, May 15, 2026
1 SPC verified storm report
“Several large tree limbs blown down. Power out. Time estimated from radar. (ILX)”
- Wind Unknown 1 E Victoria SPC verified report
Friday, April 17, 2026
2 SPC verified storm reports — hail up to 1.75"
“Hail damage due to golfball size hail. (ILX)”
“Reports of farm debris scattered about the field. (ILX)”
- Hail 1.75" Williamsfield SPC verified report
- Wind Unknown 3 SSW Williamsfield SPC verified report
Thursday, April 16, 2026
1 SPC verified storm report — 1 tornado report
“EF1... peak wind speed 90 mph... path length 10.3 miles... path width 200 yds. The tornado began approximately three miles east of Victoria... starting its path in a fi (ILX)”
- Tornado Tornado 3 E Victoria SPC verified report
Sunday, April 12, 2026
1 NWS warning — wind gusts up to 50 mph
“Moderately strong winds out of the south to southwest will continue late this evening into the overnight hours. Expect a few sporadic gusts of 40 to 50 mph with more frequent gusts of 25 to 40 mph. These winds can make driving difficult, especially for high profile vehicles.”
- Wind 50 mph Knox County NWS severe weather mention
Thursday, April 2, 2026
6 SPC verified storm reports · 1 NWS warning — wind gusts up to 50 mph, 4 tornado reports
“The tornado touched down about 2 miles east of Elba Center where it did some tree damage just south of Knox Road 900 N. It progressed across I-74 near E Knox Rd where i (ILX)”
“The tornado developed near Douglas or about 3.5 miles west of Yates City along State Rt 8... where it damaged an outbuilding. It progressed to the northeast causing som (ILX)”
- Tornado Tornado 4 N Yates City SPC verified report
- Tornado Tornado 3 W Yates City SPC verified report
- Tornado Tornado 2 SE Williamsfield SPC verified report
- Tornado Tornado 4 SW Galesburg SPC verified report
- Wind 50 mph Knox County NWS severe weather mention
- Wind Unknown 4 S Galesburg SPC verified report
- Wind Unknown Yates City SPC verified report
Monday, March 16, 2026
2 NWS warnings — wind gusts up to 55 mph
“WHAT...Northwest winds 20 to 30 mph with gusts up to 55 mph. WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. WHEN...Until noon CDT today. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph. WHERE...Portions of central, east central, southeast, and west central Illinois. WHEN...Until noon CDT today. 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 50 mph Knox County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Knox County, IL?
The most recent recorded event was in August 2026. Official NWS and SPC records show 25 severe weather events in Knox County over the last 180 days. 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 — 6 hail reports in the last 180 days, with hail up to 1.75" 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.