Hail History

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Hail history for Johnson County, IA

Last hail in the countyApr 14, 20261.25 in (50-sent koin)
Hail dei, las 12 mɔn5
Biges hail sin 20062.75 in (besbol)Mar 10, 2026
Hail dei sin 200671
Dei wit hail 1 inch o mɔ38
Tornadoes in the county23
Win ripɔt we win blow bad insay kɔnti190

180 hail reports in Johnson County since 2006 on 71 days. Biggest stones measured 2.75 in (besbol) on Mar 10, 2026.

Cities in Johnson County

Recent hail in Johnson County

DeitHail saizWeaSors
Apr 14, 20261.50 in
ping pong bol		Iowa City
5 hail reports		NOAA Storm Events
Apr 2, 20261.75 in
golf bol		Iowa City Muni Airport
1 hail report		NOAA Storm Events
Mar 31, 20260.88 in
5-sent koin		University Hgts
1 hail report		NOAA Storm Events
Mar 15, 20261.50 in
ping pong bol		Hills, Oasis
2 hail reports		NOAA Storm Events
Mar 10, 20262.75 in
besbol		Oasis, University Hgts, Iowa City Muni Airport
12 hail reports		NOAA Storm Events
Jul 10, 20251.00 in
25-sent koin		Iowa City, Iowa City Muni Airport
2 hail reports		NOAA Storm Events
Apr 17, 20250.75 in
1-sent koin		Tiffin
1 hail report		NOAA Storm Events
Oct 24, 20241.00 in
25-sent koin		Amish, Tiffin
4 hail reports		NOAA Storm Events

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

Hail days in Johnson County by year

706507208209410511312213714215116717318192202122623624225526

When hail season peaks in Johnson County

Jan3Feb6Mar16Apr12May14Jun10Jul2Aug3Sep3Oct2NovDec

Strong thunderstorm wind in Johnson County

190 reports of strong thunderstorm wind in Johnson County since 2006, on 68 de. Di strongest gust we dem measure na 83 mph on Aug 28, 2018.

DeitStrongest gustWeaSors
Sep 8, 2026dem tɔk say win blow badSwisher
1 win ripɔt		NWS storm report (preliminary)
Aug 12, 2026dem tɔk say win blow badOxford
1 win ripɔt		NWS storm report (preliminary)
Jun 17, 202670 mph, we kin mekaNorth Liberty
5 win ripɔt		NOAA Storm Events
Jun 10, 202664 mph, we tinkIowa City, Iowa City Muni Airport, Amish
3 win ripɔt		NOAA Storm Events
Apr 23, 202669 mph, we kin mekaIowa City Muni Airport, Iowa City
3 win ripɔt		NOAA Storm Events
Apr 17, 202660 mph, we kin mekaLone Tree
1 win ripɔt		NOAA Storm Events
Aug 15, 202570 mph, we tinkNorth Liberty, University Hgts, Iowa City Muni Airport
5 win ripɔt		NOAA Storm Events
Jul 29, 202563 mph, we kin mekaIowa City Muni Airport
1 win ripɔt		NOAA Storm Events
Jul 10, 202575 mph, we tinkIowa City Muni Airport
1 win ripɔt		NOAA Storm Events
Jul 15, 202475 mph, we tinkNorth Liberty, Swisher, Iowa City
5 win ripɔt		NOAA Storm Events

Big tɔnda win na win we blow 58 mph o pass, o win we mek damij. Dem kin meka win long weza steshɔn; dem kin tink long pipul we si win an damij.

Wan yu fi file claim for roof or kaar hail?

Insurers ask for di date of loss. Di dates on dis page na wen dem report hail na near Johnson County; hail fit hit one street and miss di next, so a report no prove damage for yu address. A licensed roofer or yu insurance adjuster fit inspect di roof. Many policies set a time limit for filing 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).