Hail History

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Hail history for Oak Brook, IL

Last hail within 10 milesJul 27, 20262.5 in (tennis ball)
Hail days, last 12 months3
Largest hail since 20064.8 inMar 10, 2026
Hail days since 200661
Days with hail 1 inch or larger40
Tornadoes within 10 miles25
Damaging wind reports within 10 miles504

Hail has been reported within 10 miles of Oak Brook on 61 days since 2006. The largest stones measured 4.8 in on Mar 10, 2026. Hail is most common here in June and August.

Recent hail near Oak Brook

DateHail sizeWhereSource
Jul 27, 20262.75 in
baseball		Clarendon Hills, Westmont, Downers Grove
25 hail reports · closest 1 mi from Oak Brook		NOAA Storm Events
Mar 30, 20262 in
hen egg		Berwyn, Oak Brook, Hinsdale
11 hail reports · closest 2 mi from Oak Brook		NOAA Storm Events
Mar 10, 20264.8 inDarien, Woodridge, La Grange
4 hail reports · closest 4 mi from Oak Brook		NOAA Storm Events
Aug 16, 20251 in
quarter		Woodridge
1 hail report · closest 7 mi from Oak Brook		NOAA Storm Events
May 15, 20251.5 in
ping pong ball		Elmhurst, Franklin Park, Glen Ellyn
5 hail reports · closest 4 mi from Oak Brook		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 Oak Brook by year

80620730840921051131241331431516317318219420121122223324225326

When hail season peaks near Oak Brook

Of the 61 hail days since 2006, most fell in June (13) and August (10).

Jan1Feb7Mar7Apr9May13Jun9Jul10Aug1Sep1Oct3NovDec

Largest hail storms near Oak Brook

Mar 10, 2026 · 4.8 in · Darien (6 mi from Oak Brook)

National Weather Service description (English): Numerous hail reports came out of southeastern DuPage County, mostly in the vicinity of Woodridge and Darien. Sizes ranged from 1 to 4 inches in diameter, though most of the reports were greater than 2.5 inches. Three separate reports of 4 inch hail were received out of this area.

Jul 27, 2026 · 2.75 in (baseball) · Clarendon Hills (3 mi from Oak Brook)

National Weather Service description (English): A photo showed baseball size hail near McIntosh Avenue and Burlington Avenue. Car windshields were broken.

Feb 27, 2024 · 2.5 in (tennis ball) · Darien (7 mi from Oak Brook)

National Weather Service description (English): Photo shared from a trained spotter via social media showed 2.5 hail on the south side of Downers Grove.

Mar 30, 2026 · 2 in (hen egg) · Berwyn (7 mi from Oak Brook)

National Weather Service description (English): Hail up to the size of golf balls was reported in Oak Brook.

Jul 11, 2009 · 1.5 in (ping pong ball) · Glen Ellyn (8 mi from Oak Brook)

Tornadoes within 10 miles of Oak Brook

DateRatingWherePath
Jul 27, 2026EF0Wheaton
9 mi from Oak Brook		1.0 mi long, 75 yd wide
Jul 27, 2026EF0Glen Ellyn
8 mi from Oak Brook		0.9 mi long, 75 yd wide
Jul 27, 2026EF0Downers Grove
5 mi from Oak Brook		2.1 mi long, 100 yd wide
Jun 11, 2026EF2Willow Springs
9 mi from Oak Brook		8.4 mi long, 350 yd wide
Jul 15, 2024EF0Flowerfield
7 mi from Oak Brook		3.1 mi long, 150 yd wide
Jul 15, 2024EF0Villa Park
4 mi from Oak Brook		0.8 mi long, 50 yd wide
Jul 15, 2024EF0Bensenville
8 mi from Oak Brook		1.3 mi long, 250 yd wide
Jul 15, 2024EF0Broadview
4 mi from Oak Brook		1.2 mi long, 175 yd wide
Jul 15, 2024EF0Bensenville
9 mi from Oak Brook		2.8 mi long, 250 yd wide
Jul 15, 2024EF1Willow Springs
7 mi from Oak Brook		2.1 mi long, 75 yd wide
Jul 14, 2024EF0Western Springs
3 mi from Oak Brook		7.4 mi long, 250 yd wide
Jun 22, 2024EF0Butterfield
7 mi from Oak Brook		1.2 mi long, 50 yd wide

Damaging thunderstorm winds near Oak Brook

504 reports of damaging thunderstorm wind within 10 miles of Oak Brook since 2006, on 114 days. The strongest measured gust was 82 mph on Jul 1, 2012.

DateStrongest gustWhereSource
Aug 11, 202670 mph, measuredLemont, Westmont, Darien
12 wind reports		NWS storm report (preliminary)
Jul 27, 202686 mph, estimatedBurr Ridge, Palisades, Argonne National Laboratory
34 wind reports		NOAA Storm Events
Jul 3, 202672 mph, measuredChicago Midway Airport, Lombard, Itasca
6 wind reports		NOAA Storm Events
Jul 2, 202664 mph, measuredElmhurst, Villa Park
5 wind reports		NOAA Storm Events
Jun 13, 202658 mph, estimatedWoodridge
1 wind report		NOAA Storm Events
Jun 11, 202681 mph, estimatedClearing, Argonne National Laboratory, La Grange
5 wind reports		NOAA Storm Events
Jun 10, 202681 mph, estimatedStickney, Hillside, Chicago Midway Airport
10 wind reports		NOAA Storm Events
May 18, 202679 mph, measuredChicago Midway Airport, Summit, Forest View
3 wind reports		NOAA Storm Events
Apr 17, 202664 mph, measuredIndian Head Park
1 wind report		NOAA Storm Events
Apr 2, 202669 mph, measuredChicago Midway Airport, Flowerfield, Indian Head Park
3 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 Oak Brook; 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 Jul 31, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of Oak Brook.

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