Hail History

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Hail history for Grundy, IA

Haili ijiin 10 mileSep 22, 20251.00 in (25-sent coin)
Ane haili, 12 mwwoon ijiinNone
Haili ane pwon ijiin 20062.50 in (tennis ball)Aug 9, 2009
Ane haili ijiin 200622
Ane haili 1 inch o pwon16
Tornado ijiin 10 mile7
Wind reports within 10 miles45

Hail has been reported within 10 miles of Grundy on 22 days since 2006. The largest stones measured 2.50 in (tennis ball) on Aug 9, 2009. Hail is most common here in April and June.

Recent hail near Grundy

DateSize hailWhereSource
Sep 22, 20251.00 in
25-sent coin		Dike
1 hail report · closest 9 mi from Grundy		NOAA Storm Events

Lukkuun foy chukw: hail kauchuw kaachin foy, anamw, is foy kaachin anamw.

Nn̄an anam̄mool ekkar Grundy meir

206107082092101111211321411516117318119202122212312412526

Ka anam̄mool ekkar kaan Grundy

Of 22 nn̄an anam̄mool ekkar 2006, most fell in April (6) and June (5).

JanFeb1Mar6Apr4May5Jun1Jul4Aug1SepOctNovDec

Anam̄mool ekkar kaan Grundy

Aug 9, 2009 · 2.50 in (tennis ball) · Wellsburg (9 mi from Grundy)

Apr 13, 2006 · 1.75 in (golf ball) · Ackley (0 mi from Grundy)

Apr 6, 2010 · 1.75 in (golf ball) · Dike (10 mi from Grundy)

Jun 8, 2011 · 1.75 in (golf ball) · Lincoln (10 mi from Grundy)

Aug 19, 2022 · 1.50 in (ping pong ball) · Holland (3 mi from Grundy)

Tornadoes within 10 miles of Grundy

DateRatingWherePath
Aug 18, 2025EF?Holland
6 mi from Grundy		4.5 mi long, 50 yd wide
Aug 18, 2025EF?Fern
10 mi from Grundy		0.6 mi long, 35 yd wide
Nov 28, 2016EF0Grundy Center Airport
4 mi from Grundy		1.5 mi long, 25 yd wide
Jul 6, 2014EF1Reinbeck
7 mi from Grundy		3.2 mi long, 100 yd wide
Jun 29, 2014EF1Morrison
4 mi from Grundy		1.9 mi long, 50 yd wide
Jun 21, 2009EF1Wellsburg
6 mi from Grundy		2.1 mi long, 70 yd wide
Jun 21, 2009EF1Dike
9 mi from Grundy		2.3 mi long, 90 yd wide

Damaging thunderstorm winds near Grundy

45 reports of damaging thunderstorm wind within 10 miles of Grundy since 2006, on 28 days. The strongest measured gust was 71 mph on Mar 14, 2025.

DateStrongest gustWhereSource
Jul 20, 2026damage a reportedHolland, Dike
2 wind reports		NWS storm report (preliminary)
Jul 3, 202560 mph, a measuredGrundy Center
2 wind reports		NOAA Storm Events
Jun 20, 202560 mph, a estimatReinbeck
1 wind report		NOAA Storm Events
Jun 11, 202558 mph, a measuredMorrison
1 wind report		NOAA Storm Events
Mar 14, 202571 mph, a measuredGrundy Center
1 wind report		NOAA Storm Events
May 24, 202458 mph, a estimatWellsburg
1 wind report		NOAA Storm Events
May 8, 202458 mph, a estimatReinbeck
1 wind report		NOAA Storm Events
Aug 10, 202070 mph, a estimatReinbeck, Grundy Center
2 wind reports		NOAA Storm Events
Jun 4, 202060 mph, a estimatReinbeck
1 wind report		NOAA Storm Events
May 17, 201770 mph, a estimatHolland, Grundy Center
2 wind reports		NOAA Storm Events

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 Grundy; 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.

Cities nearby

Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of Grundy.

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