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Storm ActivityIllinois Storm ActivityMonroe County, IL
Illinois · Official NOAA Storm Data

Monroe County Storm Activity

Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 12, 2026

Monroe County, Illinois has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 2 tornado reports among 7 severe weather events here in the last 12 months, alongside 1 hail report with hail up to 1" and 4 high-wind reports with gusts up to 55 mph. The most recent recorded storm activity was on Jul 11, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.

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

7
Events (12 mo)
1
Hail
4
Wind
2
Tornado
1"
Max hail
55
Max wind (mph)
Jul 11, 2026
Most recent

What the radar showed

Radar snapshot during the Jul 11, 2026 tornado event near 2 N Valmeyer, Monroe County, Illinois, with NWS warning polygons
NEXRAD radar at the moment of the Jul 11, 2026 tornado event (Tornado) near 2 N Valmeyer. 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.

Saturday, July 11, 2026

1 SPC verified storm report — 1 tornado report

NEXRAD radar during the Saturday, July 11, 2026 storm activity in Monroe 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.

“Video footage reveals that a waterspout... possibly landspout... tornado briefly touched down at Moredock Lake... but caused no damage. (LSX)”

SPC verified report · 2 N Valmeyer

Wednesday, June 17, 2026

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.”

NWS severe weather mention · Monroe County

Sunday, April 26, 2026

1 SPC verified storm report — hail up to 1"

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

“Report from mPING: Quarter (1.00 in.). (LSX)”

SPC verified report · 3 SE Columbia

Monday, March 16, 2026

1 NWS warning — 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.”

NWS severe weather mention · Monroe County

Sunday, March 15, 2026

1 SPC verified storm report · 2 NWS warnings — wind gusts up to 55 mph, 1 tornado report

NEXRAD radar during the Sunday, March 15, 2026 storm activity in Monroe 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 EF-0 tornado with peak winds of 85mph touched down north of Ames... IL in Monroe County at 5:35pm on March 15. The tornado crossed into Randolph County northwest of (LSX)”

SPC verified report · Ames

“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.”

NWS severe weather mention · Monroe 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 Monroe County, IL?

The most recent recorded event was on Jul 11, 2026. Official NWS and SPC records show 7 severe weather events in Monroe 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 Monroe County recently?

Yes — 1 hail report in the last 12 months, with hail up to 1" 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.
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