Iowa hail data & season
Iowa has recorded 1,075 hail events since 2024, including 982 in the last 12 months, with hail up to 3.54″. Iowa's busiest hail month is April.
Data as of June 24, 2026 · source: NOAA SPC / Iowa Environmental Mesonet, analyzed by StormyLeads
982
Events (12 mo)
1,075
Events (all time)
3.54"
Biggest hail
3,771
Businesses tracked
Biggest Iowa hail storms
| Location | Hail size | Date |
|---|---|---|
| Yorktown | 3.5″ | June 11, 2026 |
| Elma | 3.5″ | April 14, 2026 |
| 3 E Otterville | 3.25″ | April 14, 2026 |
| 1 E Charles City | 3.25″ | April 14, 2026 |
| 1 E Yorktown | 3″ | June 11, 2026 |
| 2 ENE Onslow | 3″ | April 14, 2026 |
| MT AYR | 3″ | April 26, 2024 |
| 2 N Gravity | 2.75″ | May 16, 2026 |
| 3 S Red Oak | 2.75″ | May 16, 2026 |
| Cerro Gordo | 2.75″ | May 15, 2026 |
When Iowa hail season peaks
Iowa hail events by month (all years in our dataset).
Hardest-hit Iowa areas
Iowa hail FAQ
When does hail season start in Iowa?
Iowa hail season runs broadly March through June. In StormyLeads' data the busiest month for Iowa is April. Across the US, about 80% of significant hail falls March–June, peaking in May; the northern Plains run slightly later into July.
How much hail does Iowa get?
StormyLeads has detected 1,075 hail events in Iowa since 2024, including 982 in the last 12 months. The largest reported hail reached 3.54 inches in diameter.
What was the biggest recent hail storm in Iowa?
The largest hail StormyLeads has recorded in Iowa was 3.5" near Yorktown on June 11, 2026. The full top-10 by hail size is listed above.
Other high-hail states
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