Hail history for Onawa, IA

Last hail within 10 milesMar 6, 20261.5 in (ping pong ball)

Hail days, last 12 months1

Largest hail since 20063.5 inJun 12, 2024

Hail days since 200631

Days with hail 1 inch or larger20

Tornadoes within 10 miles2

Damaging wind reports within 10 miles25

Hail has been reported within 10 miles of Onawa on 31 days since 2006. The largest stones measured 3.5 in on Jun 12, 2024. Hail is most common here in June and May.

Recent hail near Onawa

Date	Hail size	Where	Source
Mar 6, 2026	1.5 in ping pong ball	Blencoe 1 hail report · closest 7 mi from Onawa	NOAA Storm Events

One row per day: the largest hail reported that day within 10 miles, the places and the number of reports.

Hail days near Onawa by year

When hail season peaks near Onawa

Of the 31 hail days since 2006, most fell in June (7) and May (6).

Largest hail storms near Onawa

Jun 12, 2024 · 3.5 in · Onawa (3 mi from Onawa)

National Weather Service description (English): The office received a photo of significant damage to siding and windows on a home in Whiting, Iowa. This was accompanied by significant car damage and tree damage in the surrounding area. Hail was estimated to have ranged from golf ball to baseball sized.

May 12, 2011 · 2.75 in (baseball) · Whiting (8 mi from Onawa)

National Weather Service description (English): Hail around baseball-size fell in the Whiting area which caused some vehicle damage.

Apr 10, 2011 · 1.75 in (golf ball) · Whiting (10 mi from Onawa)

National Weather Service description (English): A probable gustnado was also reported with the hail.

Jul 7, 2016 · 1.75 in (golf ball) · Blencoe (4 mi from Onawa)

Apr 9, 2011 · 1.5 in (ping pong ball) · Whiting (8 mi from Onawa)

Tornadoes within 10 miles of Onawa

Date	Rating	Where	Path
Jun 12, 2024	EF0	Decatur 8 mi from Onawa	0.5 mi long, 75 yd wide
Apr 14, 2012	EF0	Grant Center 9 mi from Onawa	0.4 mi long, 25 yd wide

Damaging thunderstorm winds near Onawa

25 reports of damaging thunderstorm wind within 10 miles of Onawa since 2006, on 22 days. The strongest measured gust was 83 mph on May 24, 2024.

Date	Strongest gust	Where	Source
Aug 9, 2025	72 mph, measured	Blencoe 1 wind report	NOAA Storm Events
Mar 14, 2025	70 mph, estimated	Onawa 1 wind report	NOAA Storm Events
May 24, 2024	83 mph, measured	Castana 1 wind report	NOAA Storm Events
May 20, 2024	64 mph, measured	Decatur 1 wind report	NOAA Storm Events
Jul 12, 2023	59 mph, measured	Blencoe 1 wind report	NOAA Storm Events
May 12, 2022	75 mph, estimated	Whiting 1 wind report	NOAA Storm Events
Jul 11, 2020	60 mph, estimated	Blencoe 1 wind report	NOAA Storm Events
Jun 2, 2018	70 mph, estimated	Blencoe 1 wind report	NOAA Storm Events
Apr 24, 2016	60 mph, estimated	Mineola 1 wind report	NOAA Storm Events
May 29, 2013	69 mph, estimated	Onawa 1 wind report	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 Onawa; 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.

Nearby cities

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 Onawa.

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