◆ HOPKINTON, IA HAIL HISTORY · DELAWARE COUNTY
Hopkinton, IA hail history & hail map
Hopkinton, Iowa has had 1 hail event in the past 5 years, with hail up to 1.25″ (Half Dollar). Most recent: Apr 17, 2026. Free hail map, storm dates and NWS/CoCoRaHS reports.
✓ Data compiled by a degreed meteorologist from NOAA & NWS sources
1Hail events in the past 5 years
1.25″Largest recorded hail · Half Dollar
1.25″Largest ground report (within 3 mi)
—Largest radar-estimated hail
Radar hail swaths (NOAA MRMS MESH) in the past 5 years over Hopkinton, shaded by hail size; blue dots are ground reports.
Recent hail storm dates in Hopkinton
| Date | Peak hail | Sources |
|---|---|---|
| Apr 17, 2026 | 1.25″ Half Dollar | 2 ground reports (max 1.25″) |
More Iowa hail history
Events count days with NOAA MRMS radar hail over Hopkinton (42.400, -91.220) or an NWS / CoCoRaHS hail report within 3 miles. Data window: NOAA MRMS radar hail swaths Oct 2021 – Nov 2026; NWS / NCEI Storm Events reports Nov 2024 – Jul 2026; CoCoRaHS volunteer reports Oct 2021 – present. Radar hail sizes are estimates, not ground truth; hail at any single address can differ.