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Illinois · Official NOAA Storm Data

Clay County Storm Activity

Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 180 days · Updated Sep 11, 2026

Clay County, Illinois has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 4 tornado reports among 18 severe weather events here in the last 180 days, alongside 4 hail reports with hail up to 1.5" and 10 high-wind reports with gusts up to 60 mph. The most recent recorded storm activity was on Jul 26, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.

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

18
Events (180d)
4
Hail
10
Wind
4
Tornado
1.5"
Max hail
60
Max wind (mph)
Jul 26, 2026
Most recent

What the radar showed

Radar snapshot during the Jun 21, 2026 tornado event near 2 SSW Louisville, Clay County, Illinois, with NWS warning polygons
NEXRAD radar at the moment of the Jun 21, 2026 tornado event (Tornado) near 2 SSW Louisville. 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.

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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.

Sunday, July 26, 2026

1 SPC verified storm report

NEXRAD radar during the Sunday, July 26, 2026 storm activity in Clay 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.

“Several large tree branches were blown down... including one that fell onto a trailer. (ILX)”

SPC verified report · Xenia

Friday, July 3, 2026

1 SPC verified storm report

NEXRAD radar during the Friday, July 3, 2026 storm activity in Clay 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.

“Numerous tree limbs down and one power pole down in town. (ILX)”

SPC verified report · Flora

Thursday, June 25, 2026

1 NWS warning — hail up to 0.88"

NEXRAD radar during the Thursday, June 25, 2026 storm activity in Clay 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 118 PM CDT, Doppler radar was tracking a strong thunderstorm near Bible Grove, or 14 miles south of Effingham, moving east at 20 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... Bible Grove and Hord.”

NWS severe weather mention · Clay County

Sunday, June 21, 2026

6 SPC verified storm reports — hail up to 1", wind gusts up to 60 mph, 4 tornado reports

NEXRAD radar during the Sunday, June 21, 2026 storm activity in Clay 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.

“EF1... max wind 100 mph... path length 4.58 miles... max width 200 yards The tornado was observed 2 miles south-southwest of Louisville just south of Grover Creek Ln. T (ILX)”

SPC verified report · 2 SSW Louisville

Wednesday, June 17, 2026

1 NWS warning — wind gusts up to 50 mph

“WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Portions of central, east central, southeast, and west central Illinois. WHEN...From 1 PM this afternoon to 7 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.”

NWS severe weather mention · Clay County

Saturday, May 16, 2026

1 SPC verified storm report — wind gusts up to 60 mph

NEXRAD radar during the Saturday, May 16, 2026 storm activity in Clay 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.

“Estimated 60 mph at Highway 50 and Boxwood Road. (ILX)”

SPC verified report · 2 WNW Xenia

Sunday, May 3, 2026

1 SPC verified storm report · 1 NWS warning — hail up to 1.5"

NEXRAD radar during the Sunday, May 3, 2026 storm activity in Clay 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 1020 PM CDT, Doppler radar was tracking a strong thunderstorm over Edgewood, or 16 miles southwest of Effingham, moving southeast at 40 mph. Hazard: Wind gusts up to 40 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...”

NWS severe weather mention · Clay County

Sunday, April 26, 2026

2 SPC verified storm reports

NEXRAD radar during the Sunday, April 26, 2026 storm activity in Clay 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.

“Corrects previous tstm wnd dmg report from Xenia. Limb over the road. (ILX)”

SPC verified report · Xenia

“Tree on apartments. Injuries unknown. (ILX)”

SPC verified report · Louisville

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.”

NWS severe weather mention · Clay County

Monday, March 16, 2026

2 NWS warnings — wind gusts up to 50 mph

“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.”

NWS severe weather mention · Clay County

“Light snow continues to fall across portions of central and southeast Illinois this morning. Winds gusting to around 45 to 50 mph at times is resulting in blowing and drifting snow. Visibility may be reduced to a quarter mile or less at times. Use caution if traveling this morning and be alert to slippery roads along with low or rapidly changing visibility.”

NWS severe weather mention · Clay 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 Clay County, IL?

The most recent recorded event was on Jul 26, 2026. Official NWS and SPC records show 18 severe weather events in Clay 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 Clay County recently?

Yes — 4 hail reports in the last 180 days, with hail up to 1.5" 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.

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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 our HailyDB engine 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.