338
Recorded events
0
Direct deaths
0
Direct injuries
$1.5M
Property damage
Hail in Warren County, Iowa: 338 recorded events between 1962 and 2025. The strongest on record measured 3.5. That places the county #241 nationally and #4 statewide for this hazard.
Decade by decade
Hail in Warren County, Iowa: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for hail in Warren County is the 2000s, when 112 of the county's 338 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Warren County archive, hail makes up 38.3% of all recorded severe weather across 8 hazard types. Nationally the county sits at #241 for this hazard and #4 within Iowa, putting it in the 92.3 percentile of all U.S. counties.
Seasonality
Events by month
Jun is the peak month for hail in Warren County with 120 recorded events, while Jan is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Sep 16, 2025 | ST MARYS | 0.75 | $0 |
| May 19, 2025 | NEW VIRGINIA | 0.88 | $0 |
| Apr 18, 2025 | HARTFORD | 1 | $0 |
| Apr 18, 2025 | CLARKSON | 1 | $0 |
| Apr 18, 2025 | NORWALK | 0.75 | $0 |
| Oct 25, 2024 | NEW VIRGINIA | 1 | $0 |
| Oct 24, 2024 | HARTFORD | 0.75 | $0 |
| Oct 4, 2024 | INDIANOLA ARPT | 1 | $0 |
| Jul 25, 2024 | CUMMING | 1 | $0 |
| Jun 26, 2024 | CHURCHVILLE | 1 | $0 |
Other hazards here
More from Warren County
- Thunderstorm Wind 233
- Heavy Rain 122
- Flood 79
- Tornado 48
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
A warm front was moving northward into Iowa. Thunderstorms fired up ahead of the front. Many of the storms produced gusty winds and small hail. Hail reportedly covered the ground in several places. Creston was one example, where they reported pea-size hail covering the ground. A few of the storms produced dime-size hail. Red Oak and New Virginia both reported 0.75-inch diameter hail.
Quick answers
Frequently asked
How many hail events are on record in Warren County, Iowa?
338 hail events are recorded in Warren County between 1962 and 2025, causing 0 direct deaths.
What is the strongest hail recorded in Warren County?
The strongest hail on record in Warren County measured 3.5.
Where does the hail data for Warren County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Hail in Warren County, Iowa.” Severe Weather History. severeweatherhistory.com/county/iowa/warren-county/hail/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.