Hail HistoryHome › Iowa › Poweshiek County
Hail history for Poweshiek County, IA
46 hail reports in Poweshiek County since 2006 on 29 days. The largest stones measured 2.75 in (baseball) on May 7, 2023.
Cities in Poweshiek County
Recent hail in Poweshiek County
| Date | Hail size | Where |
|---|---|---|
| Oct 24, 2024 | 0.88 in nickel | Grinnell 1 hail report |
One row per day: the largest hail reported in the county that day, the places and the number of reports.
Hail days in Poweshiek County by year
When hail season peaks in Poweshiek County
Damaging thunderstorm winds in Poweshiek County
74 reports of damaging thunderstorm wind in Poweshiek County since 2006, on 38 days. The strongest measured gust was 78 mph on Jul 15, 2024.
| Date | Strongest gust | Where |
|---|---|---|
| Jul 4, 2026 | 59 mph, measured | Searsboro 1 wind report |
| Jul 29, 2025 | 63 mph, measured | Searsboro 1 wind report |
| Jun 20, 2025 | 60 mph, estimated | Grinnell 1 wind report |
| Mar 14, 2025 | 64 mph, estimated | Malcolm 1 wind report |
| Jul 15, 2024 | 81 mph, estimated | Montezuma, Searsboro 2 wind reports |
| May 7, 2023 | 63 mph, estimated | Grinnell Airport 2 wind reports |
| Dec 15, 2021 | 64 mph, estimated | Grinnell Airport 1 wind report |
| Aug 26, 2021 | 63 mph, measured | Searsboro, Montezuma 3 wind reports |
| Aug 10, 2020 | 85 mph, estimated | Grinnell Airport, Malcolm, Brooklyn 3 wind reports |
| Sep 18, 2019 | 62 mph, estimated | Montezuma 1 wind report |
Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.
Filing a roof or car hail claim?
Insurers ask for the date of loss. The dates on this page are when hail was reported near Poweshiek County; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.
Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then).