174
Recorded events
0
Direct deaths
0
Direct injuries
$1.5M
Property damage
Hail in Cass County, Iowa: 174 recorded events between 1971 and 2025. The strongest on record measured 3. That places the county #772 nationally and #26 statewide for this hazard.
Decade by decade
Hail in Cass County, Iowa: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for hail in Cass County is the 2000s, when 100 of the county's 174 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 Cass County archive, hail makes up 31.6% of all recorded severe weather across 8 hazard types. Nationally the county sits at #772 for this hazard and #26 within Iowa, putting it in the 75.2 percentile of all U.S. counties.
Seasonality
Events by month
May is the peak month for hail in Cass County with 53 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 |
|---|---|---|---|
| Jun 16, 2025 | GRISWOLD | 1.5 | $0 |
| Apr 18, 2025 | LEWIS | 1 | $0 |
| May 21, 2024 | CUMBERLAND | 1 | $0 |
| Apr 30, 2024 | MASSENA SWAIN ARPT | 2 | $0 |
| Sep 18, 2022 | GRISWOLD | 1.75 | $0 |
| Jun 15, 2022 | ATLANTIC | 0.75 | $0 |
| Jun 19, 2021 | ATLANTIC | 1.25 | $0 |
| Sep 1, 2018 | MARNE | 2 | $0 |
| Sep 1, 2018 | MARNE | 1 | $0 |
| May 1, 2018 | MARNE | 1 | $0 |
Other hazards here
More from Cass County
- Thunderstorm Wind 203
- Heavy Rain 82
- Tornado 40
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Large hail and severe winds combined to produce damage to crop and houses. A semi was blown over on Interstate 80 near mile marker 71 by the strong winds. The wind driven hail stripped crops across the far northeast corner of the county.
Quick answers
Frequently asked
How many hail events are on record in Cass County, Iowa?
174 hail events are recorded in Cass County between 1971 and 2025, causing 0 direct deaths.
What is the strongest hail recorded in Cass County?
The strongest hail on record in Cass County measured 3.
Where does the hail data for Cass 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 Cass County, Iowa.” Severe Weather History. severeweatherhistory.com/county/iowa/cass-county/hail/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.