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Warren County, Illinois severe weather history spans 302 recorded events between 1958 and 2026. The dominant hazard is thunderstorm wind, accounting for 53.0% of all recorded events. It ranks #1,776 nationally and #64 in Illinois.
302
Recorded events
1
Direct deaths
1
Direct injuries
$7.0M
Property damage
The record
What the Warren County, Illinois severe weather history record shows
Across the archive, Warren County, Illinois severe weather history averages 4.4 recorded events a year. The busiest stretch on record is the 2000s, with 89 events logged in that decade alone. Roughly 39 events fall before 1990 and 263 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The deadliest hazard in the Warren County, Illinois record is tornado, responsible for 1 direct deaths. The costliest is hail, with $2.5M in reported property damage. In total, 8 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Warren County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 160 | 0 | $949K | 87 | 1959–2026 |
| Hail | 75 | 0 | $2.5M | 1.75 | 1958–2024 |
| Tornado | 35 | 1 | $2.5M | F2 | 1959–2025 |
| Flash Flood | 19 | 0 | $1.0M | 4 | 1997–2022 |
| Flood | 7 | 0 | $0 | 0 | 1999–2001 |
| Funnel Cloud | 3 | 0 | $0 | 0 | 2005–2025 |
| Heavy Rain | 2 | 0 | $0 | 2 | 2004–2004 |
| Lightning | 1 | 0 | $25K | 0 | 2003–2003 |
Decade by decade
Warren County, Illinois severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
41 mapped tornado paths intersect this county: 32 touched down inside it and 9 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 1995-05-13 | EF4 | 0 | 7 | 50.0 mi | Crossed in |
| 1974-06-14 | EF3 | 0 | 2 | 48.6 mi | Crossed in |
| 1959-09-26 | EF2 | 1 | 0 | 4.9 mi | Touched down here |
| 2015-07-16 | EF2 | 0 | 0 | 1.7 mi | Touched down here |
| 2015-07-16 | EF2 | 0 | 1 | 6.0 mi | Touched down here |
| 2003-05-10 | EF2 | 0 | 4 | 69.2 mi | Crossed in |
| 1999-04-05 | EF2 | 0 | 0 | 9.4 mi | Crossed in |
| 1963-04-18 | EF2 | 0 | 0 | 0.1 mi | Touched down here |
| 2025-06-03 | EF1 | 0 | 0 | 7.8 mi | Touched down here |
| 2024-03-14 | EF1 | 0 | 0 | 1.1 mi | Touched down here |
Significant events
Deadliest events on record in Warren County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Sep 26, 1959 | Tornado | 1 | 0 | $250K | |
| Jul 17, 2015 | Tornado | NEMO | 0 | 1 | $1.5M |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
An EF-2 tornado with winds estimated at 125 mph tracked about 6 miles from east of Monmouth through the town of Cameron before lifting. A maximum path width of 700 yards was estimated in Cameron. The tornado began at 713 pm CDT 1 mile southeast of Monmouth and lifted at 734 pm 2.2 miles east of Cameron. The most intense damage occurred in Cameron where at least 3 homes were unroofed, numerous garages and outbuildings were destroyed, and a large grain bin at the elevator was destroyed.
Straight-line winds estimated to be around 100 mph blew down several large trees, ripped part of a roof off a house, displaced and dented several grain silos, and flattened numerous corn fields between Kirkwood, IL and Monmouth, IL. Some of the trees fell onto houses and other structures (EF Scale rating: EF1).
An EF2 tornado with maximum wind estimated at 120 MPH touched down 2.6 miles east of Kirkwood, IL. The tornado traveled approximately 1.7 miles and lifted 3.2 miles southwest of Monmouth, IL. The maximum path width was about 300 yards. Along the path, the tornado destroyed a grain bin and a cattle barn at Shauman's Corner about 6.4 miles southwest of Monmouth on US 34. Power poles were also snapped.
Context
Risk, population and federal disasters
Very Low
FEMA NRI risk rating
16,447
Population (ACS)
$105K
Median home value
9
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Aug 15, 2023 | Severe Storm | SEVERE STORMS AND FLOODING | DR |
| Mar 26, 2020 | Biological | COVID-19 PANDEMIC | DR |
| Mar 13, 2020 | Biological | COVID-19 | EM |
| May 10, 2013 | Flood | SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING | DR |
| Mar 17, 2011 | Snowstorm | SEVERE WINTER STORM AND SNOWSTORM | DR |
| Sep 25, 2007 | Severe Storm | SEVERE STORMS AND FLOODING | DR |
Quick answers
Frequently asked
How many severe weather events have been recorded in Warren County, Illinois?
302 events are on record between 1958 and 2026, causing 1 direct deaths and $7.0M in property damage.
What is the most common severe weather hazard in Warren County?
Thunderstorm Wind, with 160 recorded events — 53.0% of everything in the archive for this county.
How many tornadoes have crossed Warren County?
41 mapped tornado paths intersect the county boundary; 32 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Warren County?
9 federal disaster declarations from FEMA include Warren County, each tied to a specific incident period.
How risky is Warren County compared with the rest of the country?
FEMA's National Risk Index rates Warren County as very low risk, placing it in the 15 percentile of its state for expected annual loss.
Where does the Warren County, Illinois severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Wabash County 279
- Washington County 326
- Vermilion County 691
- Wayne County 312
- Union County 230
- White County 413
Cite this page
“Warren County, Illinois.” Severe Weather History. severeweatherhistory.com/county/illinois/warren-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.