Knox County Hail Map & Storm Reports
Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Nov 2, 2026
Knox County, Illinois has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 6 tornado reports among 41 severe weather events here in the last 12 months, alongside 8 hail reports with hail up to 1.75" and 27 high-wind reports with gusts up to 55 mph. The most recent recorded storm activity was on Aug 15, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
Knox County hail map
Where hail and high-wind reports clustered across Knox County over the last 12 months. Heat shows report density and significance, not radar.
What the radar showed
Storm exposure for an address in Knox County
Get a free report in your folder. A city is enough if you do not have a street.
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
“At 956 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Altona to near Knoxville to Abingdon. 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
Thursday, August 13, 2026
2 NWS warnings — hail up to 0.75"
“At 1200 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Wyoming to Cuba. Movement was east at 45 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 1107 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near New Windsor to near St. Augustine. Movement was east at 45 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" Knox County NWS severe weather mention
- Hail 0.25" Knox County NWS severe weather mention
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
Wednesday, June 10, 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 SPC verified storm report · 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...”
“Several large tree limbs blown down. Power out. Time estimated from radar. (ILX)”
- Hail 0.88" Knox County NWS severe weather mention
- Wind Unknown 1 E Victoria SPC verified report
Friday, April 17, 2026
3 SPC verified storm reports — hail up to 1.75", 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)”
“Hail damage due to golfball size hail. (ILX)”
- Tornado Tornado 3 E Victoria SPC verified report
- Hail 1.75" Williamsfield SPC verified report
- Wind Unknown 3 SSW Williamsfield 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 touched down about 2 miles southeast of Williamsfield just west of the Knox County line... where it destroyed an outbuilding. It crossed into Peoria County (ILX)”
- Tornado Tornado 4 N Yates City SPC verified report
- Tornado Tornado 2 SE Williamsfield SPC verified report
- Tornado Tornado 3 W Yates City 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
Sunday, March 15, 2026
4 NWS warnings — wind gusts up to 55 mph
“WHAT...Southwest winds 20 to 30 mph turning to the northwest behind a cold front 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 Monday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“WHAT...South winds 25 to 35 mph with gusts up to 45 to 55 mph expected today. Then switching directions to west-northwest tonight. WHERE...Portions of central, east central, southeast, and west central Illinois. WHEN...Until 10 AM CDT Monday. 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 55 mph Knox County NWS severe weather mention
- Wind 50 mph Knox County NWS severe weather mention
Saturday, March 14, 2026
1 NWS warning — wind gusts up to 50 mph
“WHAT...South-southwest winds on Sunday shifting to the west-northwest behind a cold front Sunday night. Sustained winds of 25 to 35 mph with gusts up to 50 mph expected. WHERE...Portions of central, east central, southeast, and west central Illinois. WHEN...From 10 AM Sunday to 7 AM CDT Monday. IMPACTS...Gusty winds will blow around unsecured objects.”
- Wind 50 mph Knox County NWS severe weather mention
Friday, March 13, 2026
1 NWS warning — wind gusts up to 50 mph
“WHAT...Southwest winds will turn west at 25 to 30 mph during this morning with gusts of 40 to 50 mph into mid afternoon. WHERE...Portions of central, east central, southeast, and west central Illinois. The strongest winds will be this morning from I-74 north with gusts over 50 mph possible. WHEN...Until 4 PM CDT this afternoon. IMPACTS...Gusty winds will blow around unsecured objects.”
- Wind 50 mph Knox County NWS severe weather mention
Thursday, March 12, 2026
3 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, east central, and west central Illinois. WHEN...From 10 PM this evening to 4 PM CDT Friday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Portions of central, east central, and west central Illinois. WHEN...From 10 PM this evening to 4 PM CDT 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
- Wind 50 mph Knox County NWS severe weather mention
Tuesday, March 10, 2026
2 SPC verified storm reports — 1 tornado report
“The tornado developed about 4 miles west of West Jersey where it toppled a shipping container and caused tree damage. It intensified as it reached 100 E Rd and snapped (ILX)”
“Multiple power lines were blown down... a carport was snapped... and a shipping container was flipped into a house north of the IL-180 and IL-167 intersection. (ILX)”
- Tornado Tornado 4 WNW West Jersey SPC verified report
- Wind Unknown 3 E Victoria SPC verified report
Saturday, March 7, 2026
2 NWS warnings — hail up to 0.75"
“At 103 AM CST, Doppler radar was tracking strong thunderstorms along a line extending from Wyoming to near Maquon. Movement was northeast at 45 mph. Hazard: Wind gusts of 50 to 55 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 1218 AM CST, Doppler radar was tracking strong thunderstorms along a line extending from near North Henderson to near Elmwood. Movement was northeast at 40 mph. Hazard: Wind gusts of 50 to 55 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
- Hail 0.75" Knox County NWS severe weather mention
Friday, March 6, 2026
1 NWS warning — wind gusts up to 50 mph
“At 658 AM CST, Doppler radar was tracking strong thunderstorms along a line extending from near Altona to near Wataga. Movement was northeast 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 Knox County NWS severe weather mention
Thursday, December 18, 2025
2 NWS warnings — wind gusts up to 55 mph
“At 1041 AM CST, Doppler radar was tracking gusty showers along a line extending from near Elmira to Alsey. Movement was east at 50 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 948 AM CST, Doppler radar was tracking gusty showers along a line extending from near Roseville to near Frankford. Movement was east at 40 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
Today's severe weather outlook
Common questions
When was the last severe storm in Knox County, IL?
The most recent recorded event was on Aug 15, 2026. Official NWS and SPC records show 41 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.
Did it hail in Knox County recently?
Yes — 8 hail reports in the last 12 months, with hail up to 1.75" 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 Knox 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.