Hail History

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Hail history for Delaware County, IA

Hail eo an lok eoAug 7, 20264.50 in (softball)
Hail days, last 12 months3
Largest hail im 20064.50 in (softball)Aug 7, 2026
Hail days im 200641
Days im hail 1 inch imwin29
Tornadoes in the county20
Wind dmg wutuk im county141

92 hail reports in Delaware County since 2006 on 41 days. The largest stones measured 4.50 in (softball) on Aug 7, 2026.

Cities in Delaware County

Recent hail in Delaware County

DateHail sizeWhereSource
Aug 7, 20264.50 in
softball		Ryan
1 hail report		NWS storm report (preliminary)
Apr 17, 20261.25 in
50-cent coin		Hopkinton
1 hail report		NOAA Storm Events
Apr 14, 20261.00 in
25-cent coin		Ryan, Turtle Creek Park
2 hail reports		NOAA Storm Events
Jul 3, 20251.00 in
25-cent coin		Manchester Airport, Manchester
2 hail reports		NOAA Storm Events

One row per day: the largest hail reported in the county that day, the places and the number of reports.

Hail days in Delaware County by year

20640770840931011111251311421516117218192012112222324125326

When hail season peaks in Delaware County

1Jan1Feb1Mar13Apr4May7Jun7Jul6Aug1SepOctNovDec

Damaging thunderstorm winds in Delaware County

141 reports of damaging thunderstorm wind in Delaware County since 2006, on 70 days. The strongest measured gust was 89 mph on May 17, 2017.

DateStrongest gustWhereSource
Sep 4, 2026dmg ekkarManchester Airpor, Manchester
2 wutuk wind		NWS storm report (preliminary)
Aug 11, 202670 mph, imwinGreeley, Dundee
2 wutuk wind		NWS storm report (preliminary)
Aug 7, 202670 mph, ekkarRyan
2 wutuk wind		NWS storm report (preliminary)
Jul 2, 2026dmg ekkarRyan
1 wutuk wind		NWS storm report (preliminary)
Jun 10, 202664 mph, ekkarGreeley, Oneida
2 wutuk wind		NOAA Storm Events
May 18, 202670 mph, ekkarRyan
1 wutuk wind		NOAA Storm Events
Apr 17, 202660 mph, ekkarTwin Bridges Park
1 wutuk wind		NOAA Storm Events
Apr 14, 202681 mph, ekkarDelhi, Delaware
4 wutuk wind		NOAA Storm Events
Jul 29, 202575 mph, ekkarManchester, Turtle Creek Park
3 wutuk wind		NOAA Storm Events
Jul 11, 202575 mph, ekkarBuck Creek
1 wutuk wind		NOAA Storm Events

Wind imwin thunderstorm ej 58 mph anikaj, im wind ej kajjitok dmg. Imwin wind ej imwin eokta weather stations; ekkar ej imwin eokta spotters im dmg surveys.

Jabdoñ eo an roof im hail?

Insurers ask for the date of loss. The dates on this page are when hail was reported near Delaware 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).