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Storm Activity›Illinois Storm Activity›Lee County, IL
Illinois · Official NOAA Storm Data

Lee County Hail Map & Storm Reports

Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Nov 1, 2026

Lee County, Illinois has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 4 tornado reports among 71 severe weather events here in the last 12 months, alongside 5 hail reports with hail up to 1" and 62 high-wind reports with gusts up to 67 mph. The most recent recorded storm activity was on Aug 21, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.

Map of Lee County, Illinois showing the county boundary and surrounding cities
Lee County, Illinois. Map © Mapbox © OpenStreetMap · County boundary: US Census Bureau.

Lee County hail map

Where hail and high-wind reports clustered across Lee County over the last 12 months. Heat shows report density and significance, not radar.

71
Events (12 mo)
5
Hail
62
Wind
4
Tornado
1"
Max hail
67
Max wind (mph)
Aug 21, 2026
Most recent

What the radar showed

Radar snapshot during the Aug 21, 2026 tornado event near 4 SE Sublette, Lee County, Illinois, with NWS warning polygons
NEXRAD radar at the moment of the Aug 21, 2026 tornado event (Tornado) near 4 SE Sublette. Outlined polygons are the storm-based warnings exactly as issued by the National Weather Service. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

Storm exposure for an address in Lee 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.

Friday, August 21, 2026

1 SPC verified storm report — 1 tornado report

NEXRAD radar during the Friday, August 21, 2026 storm activity in Lee County, Illinois
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“An NWS damage survey determined an EF-0 tornado with peak winds around 70 mph... path length of around 0.7 miles... and maximum width of around 200 yards impacted the r (LOT)”

SPC verified report · 4 SE Sublette

Wednesday, August 19, 2026

2 NWS warnings — wind gusts up to 50 mph

NEXRAD radar during the Wednesday, August 19, 2026 storm activity in Lee County, Illinois
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 512 PM CDT, Doppler radar was tracking slow-moving thunderstorms along a line extending from near Monmouth to near La Harpe to near New Boston. Movement was southeast at 40 mph. Hazard: Wind gusts up to 50 mph. Impact: Strong winds could break small tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Lee County

“At 422 PM CDT, Doppler radar was tracking slow-moving thunderstorms along a line extending from near Little York to near Iowa Army Ammunition Plant to near Pilot Grove. Movement was southeast at 25 mph. Hazard: Funnel clouds and possibly weak, brief tornadoes, and 50 mph winds. Impact: Isolated damage to roofs, siding and trees is possible. Locations impacted include...”

NWS severe weather mention · Lee County

Wednesday, August 12, 2026

1 SPC verified storm report

“large tree branch (est 8-12 inch) snapped and blocking roadway. (LOT)”

SPC verified report · Sublette

Tuesday, August 11, 2026

1 SPC verified storm report

“Photo on social media showed a large tree down near Inlet Road and Shaw Road. Several other trees blown down nearby. (LOT)”

SPC verified report · 4 N Sublette

Sunday, August 9, 2026

3 SPC verified storm reports — 1 tornado report

NEXRAD radar during the Sunday, August 9, 2026 storm activity in Lee County, Illinois
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“The tornado began around 10:02 PM and lasted approximately 22 minutes... dissipating at around 10:24 PM. The peak estimated winds were around 90 mph. Path length was ne (LOT)”

SPC verified report · 5 E Amboy

“Lee County Sheriffs Office reports trees or tree branches up to 2 feet in diameter downed across multiple roadways between Shaw Road and US-30 east of Amboy and Lee Cen (LOT)”

SPC verified report · 5 NW West Brooklyn

Friday, July 3, 2026

2 SPC verified storm reports — wind gusts up to 67 mph

NEXRAD radar during the Friday, July 3, 2026 storm activity in Lee County, Illinois
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Personal weather station measured a peak wind gust of 67.3 mph. (LOT)”

SPC verified report · 2 SE Compton

“Tent and other structural damage at the Petunia festival. Time estimated from radar. (LOT)”

SPC verified report · Dixon

Thursday, June 11, 2026

1 SPC verified storm report — 1 tornado report

NEXRAD radar during the Thursday, June 11, 2026 storm activity in Lee County, Illinois
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“NWS survey confirms a preliminary EF-U tornado. No known damage. Max width 50 yards... and length of 6 miles. (LOT)”

SPC verified report · 4 WSW Lee

Wednesday, June 10, 2026

2 SPC verified storm reports — wind gusts up to 60 mph

“Personal weather station measured 60 mph wind gusts as the storms pass through. (LOT)”

SPC verified report · 4 SSW Paw Paw

“Tree branches broken... leaning power poles... and damage to the roof and a wall of an old barn. Location between Harmon and Walnut... relayed via social media. Time es (LOT)”

SPC verified report · 5 S Harmon

Tuesday, June 9, 2026

1 NWS warning — hail up to 0.75"

“At 1014 AM CDT, Doppler radar was tracking a strong thunderstorm near Warsaw, or 10 miles northeast of Canton, moving northeast at 20 mph. Hazard: Wind gusts up to 50 mph, minor flooding and penny size hail. Impact: Strong winds could break small tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible.”

NWS severe weather mention · Lee County

Tuesday, May 19, 2026

1 NWS warning — wind gusts up to 50 mph

“At 1244 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Amber to Burlington to near Hamilton to 7 miles southwest of Warsaw. Movement was east at 45 mph. Hazard: Wind gusts up to 50 mph. Impact: Strong winds could break small tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Lee County

Monday, May 18, 2026

1 NWS warning — wind gusts up to 50 mph

“At 315 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Danville to near Kahoka to Rutledge. Movement was east at 35 mph. Hazard: Wind gusts up to 50 mph. Impact: Strong winds could break small tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Lee County

Saturday, May 16, 2026

2 NWS warnings — wind gusts up to 50 mph

NEXRAD radar during the Saturday, May 16, 2026 storm activity in Lee County, Illinois
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 348 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Hamlet to Burlington. Movement was east at 45 mph. Hazard: Wind gusts up to 50 mph. Impact: Strong winds could break small tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Lee County

“At 316 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Conesville to near Hillsboro. Movement was east at 40 mph. Hazard: Wind gusts up to 50 mph. Impact: Strong winds could break small tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Lee County

Monday, May 4, 2026

2 NWS warnings — hail up to 0.75", wind gusts up to 50 mph

NEXRAD radar during the Monday, May 4, 2026 storm activity in Lee County, Illinois
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 621 PM CDT, Doppler radar was tracking thunderstorms along a line extending from near Mannon to near Batavia. Movement was east at 30 mph. Hazard: Wind gusts up to 50 mph. Impact: Strong winds could break small tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Lee County

“At 710 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near West Point to near Bentonsport/Vernon. Movement was east at 30 mph. Hazard: Wind gusts up to 50 mph and penny size hail. Impact: Strong winds could break small tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...”

NWS severe weather mention · Lee County

Monday, April 27, 2026

3 NWS warnings — wind gusts up to 60 mph

“WHAT...Southeast winds 20 to 25 mph with gusts up to 50 mph expected. WHERE...Portions of north central and northeast Illinois and northwest Indiana. WHEN...Until 4 PM CDT this afternoon. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. ADDITIONAL DETAILS...The potential exists for brief localized gusts up to 55 to 60 mph.”

NWS severe weather mention · Lee County

“WHAT...Southeast to south winds 20 to 25 mph with gusts up to 50 mph. WHERE...Portions of north central and northeast Illinois and northwest Indiana. WHEN...Until 4 PM CDT this afternoon. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Lee County

Tuesday, April 14, 2026

1 NWS warning — hail up to 0.75"

“At 346 AM CDT, Doppler radar was tracking a strong thunderstorm near Kahoka, moving east at 35 mph. Hazard: Penny size hail. Impact: Minor damage to outdoor objects is possible. Locations impacted include... Keokuk, Kahoka, Hamilton, Warsaw, Wayland, Alexandria, St. Francisville, Winchester, St.”

NWS severe weather mention · Lee County

Thursday, April 2, 2026

4 SPC verified storm reports — hail up to 1", wind gusts up to 65 mph, 1 tornado report

NEXRAD radar during the Thursday, April 2, 2026 storm activity in Lee County, Illinois
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“An NWS damage survey confirmed that an EF-1 tornado with estimated peak winds of 100 mph tracked for 5.75 miles through northwestern Lee County. The tornado damaged or (LOT)”

SPC verified report · 4 NNW Nelson

“Media showed video of trees down and a barn collapsed along Mound Hill Rd. Time estimated from radar. This LSR is likely a repeat but with a more precise location. (LOT)”

SPC verified report · 4 N Nelson

Tuesday, March 31, 2026

1 NWS warning — wind gusts up to 50 mph

“A mesoscale low pressure center has developed in southern Wisconsin and is producing some strong southwest wind gusts behind the line of showers and thunderstorms. Expect a period of 40-50 mph wind gusts to occur in portions of Winnebago, Boone, Ogle, and Lee counties over the next few hours. Use caution if driving high profile vehicles in these areas and secure lose objects.”

NWS severe weather mention · Lee County

Thursday, March 26, 2026

1 NWS warning — hail up to 0.75"

“At 839 PM CDT, Doppler radar was tracking a strong thunderstorm over Cantril, or 7 miles southwest of Keosauqua, moving east at 50 mph. Hazard: Penny size hail. Impact: Minor damage to outdoor objects is possible. This strong thunderstorm will be near... Keosauqua around 845 PM CDT. Bonaparte around 850 PM CDT. Bentonsport/Vernon around 855 PM CDT.”

NWS severe weather mention · Lee County

Monday, March 16, 2026

1 NWS warning — wind gusts up to 60 mph

“WHAT...Northwest winds 25 to 30 mph with gusts up to 60 mph. WHERE...Portions of northwest and west central Illinois, east central, northeast, and southeast Iowa, and northeast Missouri. WHEN...Until 6 AM CDT early this morning. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Lee County

Sunday, March 15, 2026

4 NWS warnings — wind gusts up to 60 mph

“WHAT...Northwest winds 25 to 35 mph with gusts of 50 to 60 mph expected. WHERE...Portions of northwest and west central Illinois, east central, northeast, and southeast Iowa, and northeast Missouri. WHEN...Until 10 AM CDT Monday. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Lee County

“WHAT...Northwest winds 25 to 35 mph with gusts of 50 to 60 mph expected. WHERE...Portions of northwest and west central Illinois, east central, northeast, and southeast Iowa, and northeast Missouri. WHEN...Until 10 AM CDT Monday. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Lee County

Friday, March 13, 2026

5 NWS warnings — wind gusts up to 60 mph

“WHAT...West winds 30 to 35 mph with gusts up to 60 mph occurring. WHERE...Portions of north central and northeast Illinois and northwest Indiana. WHEN...Until 4 PM CDT this afternoon. IMPACTS...Damaging winds may blow down tree limbs and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Lee County

“WHAT...West winds 30 to 35 mph with gusts up to 60 mph expected. WHERE...Portions of north central and northeast Illinois and northwest Indiana. WHEN...Until 4 PM CDT this afternoon. IMPACTS...Damaging winds may blow down tree limbs and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Lee County

Thursday, March 12, 2026

6 NWS warnings — wind gusts up to 60 mph

“WHAT...West winds 30 to 35 mph with gusts up to 60 mph expected. WHERE...Portions of north central and northeast Illinois and northwest Indiana. WHEN...From 1 AM to 4 PM CDT Friday. IMPACTS...Damaging winds can blow down tree limbs and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Lee County

“WHAT...West winds 30 to 35 mph with gusts up to 60 mph expected. WHERE...Boone, De Kalb, La Salle, Lee, Ogle, Winnebago, and Grundy Counties. WHEN...From 1 AM to 4 PM CDT Friday. IMPACTS...Damaging winds can blow down tree limbs and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Lee County

Saturday, March 7, 2026

1 NWS warning — wind gusts up to 50 mph

“A fast-moving area of steady showers with some embedded lightning will move move into the area through 1 to 2 AM. This area of showers has been producing measured wind gusts of 40 to locally near 55 mph. These showers are moving to the northeast around 40 to 50 mph.”

NWS severe weather mention · Lee County

Wednesday, February 18, 2026

4 NWS warnings — wind gusts up to 50 mph

“...Critical Fire Weather Conditions Continue... AFFECTED AREA...Portions of eastern Iowa, northwest Illinois, and northeast Missouri. TIMING...Until 8 PM CST this evening. WINDS...West-southwest winds 25 to 30 mph, with gusts up to 50 mph. RELATIVE HUMIDITY...As low as 15 percent. IMPACTS...Any fire that develops will quickly spread out of control. Fire behavior is expected to be extreme.”

NWS severe weather mention · Lee County

“...RED FLAG WARNING EXPANDED TO INCLUDE CHICAGO METRO... Conditions will turn very dry and windy this afternoon, making conditions supportive of brush fire spread. Even with rainfall last night generally 0.05 to 0.15 of an inch across northeastern Illinois, the combination of warm, dry, and windy conditions will cause fine fuels to dry out by early afternoon.”

NWS severe weather mention · Lee County

Tuesday, February 17, 2026

1 NWS warning — wind gusts up to 50 mph

“...Critical Fire Weather Conditions Possible Wednesday... The National Weather Service in the Quad Cities continues a Fire Weather Watch for strong winds, low relative humidity, and plentiful dry vegetation. AFFECTED AREA...Portions of eastern Iowa and northwest Illinois TIMING...From Wednesday morning through Wednesday evening. WINDS...Southwest 20 to 30 mph with gusts up to 50 mph.”

NWS severe weather mention · Lee County

Monday, December 29, 2025

1 NWS warning — wind gusts up to 55 mph

“WHAT...West winds 25 to 35 mph with gusts of 45 to 55 mph early this morning, easing to occasional gusts to around 45 mph by mid morning. WHERE...Northern and central Illinois and extreme northwest Indiana WHEN...Until noon CST today. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Lee County

Sunday, December 28, 2025

5 NWS warnings — wind gusts up to 55 mph

“WHAT...West winds 25 to 35 mph with gusts of 45 to 55 mph expected. WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. WHEN...Until 3 PM CST /4 PM EST/ Monday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Lee County

“WHAT...West winds 25 to 35 mph with gusts of 45 to 55 mph expected. WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. WHEN...From 6 PM CST /7 PM EST/ this evening to 3 PM CST /4 PM EST/ Monday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Lee County

Saturday, December 27, 2025

4 NWS warnings — wind gusts up to 55 mph

“WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Wind Advisory, west to northwest winds 25 to 35 mph with gusts up to 45 to 55 mph expected. WHERE...Portions of west central Illinois, southeast Iowa, and northeast Missouri. WHEN...For the Dense Fog Advisory, until 6 AM CST Sunday. For the Wind Advisory, from 2 PM Sunday to 6 PM CST Monday.”

NWS severe weather mention · Lee County

“WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Wind Advisory, west to northwest winds 25 to 35 mph with gusts up to 45 to 55 mph expected. WHERE...Portions of west central Illinois, southeast Iowa, and northeast Missouri. WHEN...For the Dense Fog Advisory, until 6 AM CST Sunday. For the Wind Advisory, from 2 PM Sunday to 6 PM CST Monday.”

NWS severe weather mention · Lee County

Wednesday, November 26, 2025

2 NWS warnings — wind gusts up to 60 mph

“WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. WHEN...Until 9 PM CST /10 PM EST/ this evening. IMPACTS...Gusty winds will blow around unsecured objects, including holiday decorations. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Lee County

“WHAT...West winds 20 to 30 mph with gusts up to 50 to 55 mph occurring. WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. WHEN...Until 9 PM CST /10 PM EST/ this evening. IMPACTS...Gusty winds will blow around unsecured objects including holiday decorations. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Lee County

Tuesday, November 25, 2025

7 NWS warnings — wind gusts up to 60 mph

“WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. WHEN...From 3 AM CST /4 AM EST/ to 9 PM CST /10 PM EST/ Wednesday. IMPACTS...Gusty winds will blow around unsecured objects, including holiday decorations. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Lee County

“WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. WHEN...From 3 AM CST /4 AM EST/ to 9 PM CST /10 PM EST/ Wednesday. IMPACTS...Gusty winds will blow around unsecured objects, including holiday decorations. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Lee County

Today's severe weather outlook

Storm Prediction Center Day 1 convective outlook — national severe weather risk map for today
Storm Prediction Center Day 1 convective outlook: categorical severe weather risk for today, updated several times daily. Source: NOAA/NWS Storm Prediction Center.

Common questions

When was the last severe storm in Lee County, IL?

The most recent recorded event was on Aug 21, 2026. Official NWS and SPC records show 71 severe weather events in Lee 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 Lee County recently?

Yes — 5 hail reports in the last 12 months, with hail up to 1" 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 Lee 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.

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Proudly AI-powered. Honestly sourced. IDOLCheck is built by HailyAI. Every storm event, magnitude, radar snapshot, and date on this page is deterministic — retrieved directly from official NOAA, National Weather Service (NWS), and Storm Prediction Center (SPC) storm records through HailyAPI and displayed exactly as reported. Quoted warning and report text is always attributed to its official source. Where the surrounding copy is not a direct quote, it was generated with AI assistance from that same verified storm data and reviewed and approved by humans before publication. AI organizes and presents the record — it never invents storm data.
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