250
Recorded events
0
Direct deaths
0
Direct injuries
$1.7M
Property damage
Hail in Clay County, Iowa: 250 recorded events between 1957 and 2026. The strongest on record measured 4.25. That places the county #435 nationally and #12 statewide for this hazard.
Decade by decade
Hail in Clay County, Iowa: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for hail in Clay County is the 2000s, when 115 of the county's 250 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 Clay County archive, hail makes up 37.7% of all recorded severe weather across 8 hazard types. Nationally the county sits at #435 for this hazard and #12 within Iowa, putting it in the 86.0 percentile of all U.S. counties.
Seasonality
Events by month
Jun is the peak month for hail in Clay County with 70 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 |
|---|---|---|---|
| Apr 13, 2026 | WEBB | 1.5 | $0 |
| Apr 13, 2026 | WEBB | 1 | $0 |
| Apr 13, 2026 | PETERSON | 1 | $0 |
| Jun 16, 2025 | WEBB | 0.88 | $0 |
| Apr 28, 2025 | DICKENS | 1.5 | $0 |
| Apr 28, 2025 | FOSTORIA | 1 | $0 |
| Jun 21, 2024 | DICKENS | 1 | $0 |
| Jun 21, 2024 | EVERLY | 1 | $0 |
| Jun 17, 2024 | DICKENS | 0.75 | $0 |
| Jun 17, 2024 | SPENCER | 1 | $0 |
Other hazards here
More from Clay County
- Thunderstorm Wind 188
- Flood 165
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Large hail fell in an area around 20 miles long and 3 to 5 miles wide. The hail was quarter to golf ball size over most of the area but reached baseball size at Everly. The hail, driven by accompanying damaging winds, broke windows in buildings and vehicles, dented vehicles, and damaged roofs and siding on homes and other buildings. Besides Everly and Webb, the communities of Greenville and Rossie were also affected. The hail covered the ground over much of the area, and was blown into drifts as high as 3 feet. Corn and soybean crops were heavily damaged, with the greater damage to soybean crops. The amount of crop damage was not known.
Large hail damaged vehicles, broke windows, and damaged roofs and siding. Crop damage was also extensive with over one hundred thousand acres of corn, bean, and other small grain crops affected during this storm and another hail storm in the area earlier in the day. The amount of crop damage was not known. Property damage was in addition to the damage from the earlier storm.
Large hail caused widespread damage to vehicles, windows, and roofs. Crop damage was also extensive in the area with over one hundred thousand acres of corn, beans, and other small grain crops affected during this storm and another hail storm which occurred later in the day. The amount of crop damage was not known.
Quick answers
Frequently asked
How many hail events are on record in Clay County, Iowa?
250 hail events are recorded in Clay County between 1957 and 2026, causing 0 direct deaths.
What is the strongest hail recorded in Clay County?
The strongest hail on record in Clay County measured 4.25.
Where does the hail data for Clay 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 Clay County, Iowa.” Severe Weather History. severeweatherhistory.com/county/iowa/clay-county/hail/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.