Hail History

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Hail history for Westmont, IL

Last hail within 10 milesAug 9, 20260.75 in (penny)
Hail days, last 12 months5
Largest hail since 20064.8 inMar 10, 2026
Hail days since 200669
Days with hail 1 inch or larger36
Tornadoes within 10 miles28
Damaging wind reports within 10 miles466

Hail has been reported within 10 miles of Westmont on 69 days since 2006. The largest stones measured 4.8 in on Mar 10, 2026. Hail is most common here in May and August.

Recent hail near Westmont

DateHail sizeWhereSource
Aug 9, 20260.75 in
penny		Naperville
1 hail report · closest 9 mi from Westmont		NWS storm report (preliminary)
Jul 28, 20262 in
hen egg		Oak Brook
1 hail report · closest 3 mi from Westmont		NWS storm report (preliminary)
Jul 27, 20262.5 in
tennis ball		Westmont, Clarendon Hills, Downers Grove
28 hail reports · closest near the center of Westmont		NWS storm report (preliminary)
Mar 30, 20261.75 in
golf ball		Oak Brook, Hinsdale, Downers Grove
9 hail reports · closest 2 mi from Westmont		NOAA Storm Events
Mar 10, 20264.8 inDarien, Woodridge, La Grange
3 hail reports · closest 3 mi from Westmont		NOAA Storm Events
Aug 16, 20251 in
quarter		Woodridge
1 hail report · closest 3 mi from Westmont		NOAA Storm Events
May 15, 20251.5 in
ping pong ball		Elmhurst, Glen Ellyn, Lombard
4 hail reports · closest 5 mi from Westmont		NOAA Storm Events
Mar 19, 20251 in
quarter		Lemont
1 hail report · closest 9 mi from Westmont		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 Westmont by year

70630730820921051141281331441516217418519220121122223324325526

When hail season peaks near Westmont

Of the 69 hail days since 2006, most fell in May (13) and August (11).

Jan1Feb7Mar10Apr13May10Jun9Jul11Aug1Sep3Oct4NovDec

Largest hail storms near Westmont

Mar 10, 2026 · 4.8 in · Darien (3 mi from Westmont)

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.

Feb 27, 2024 · 2.5 in (tennis ball) · Darien (4 mi from Westmont)

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.

Jul 27, 2026 · 2.5 in (tennis ball) · Westmont (1 mi from Westmont)

Jul 28, 2026 · 2 in (hen egg) · Oak Brook (3 mi from Westmont)

Jun 12, 2013 · 1.75 in (golf ball) · Naperville (9 mi from Westmont)

Tornadoes within 10 miles of Westmont

DateRatingWherePath
Jul 28, 2026EF?Wheaton
8 mi from Westmont
Jul 27, 2026EF?Glen Ellyn
8 mi from Westmont
Jul 27, 2026EF?Wheaton
8 mi from Westmont
Jul 27, 2026EF?Glen Ellyn
8 mi from Westmont
Jul 27, 2026EF?Downers Grove
2 mi from Westmont
Jun 11, 2026EF2Willow Springs
8 mi from Westmont		8.4 mi long, 350 yd wide
Jun 11, 2026EF0Naperville
8 mi from Westmont		1.3 mi long, 150 yd wide
Jul 15, 2024EF0Flowerfield
6 mi from Westmont		3.1 mi long, 150 yd wide
Jul 15, 2024EF0Villa Park
6 mi from Westmont		0.8 mi long, 50 yd wide
Jul 15, 2024EF0Broadview
7 mi from Westmont		1.2 mi long, 175 yd wide
Jul 15, 2024EF1Willow Springs
7 mi from Westmont		2.1 mi long, 75 yd wide
Jul 14, 2024EF0Western Springs
5 mi from Westmont		7.4 mi long, 250 yd wide

Damaging thunderstorm winds near Westmont

466 reports of damaging thunderstorm wind within 10 miles of Westmont since 2006, on 113 days. The strongest measured gust was 82 mph on Jun 30, 2014.

DateStrongest gustWhereSource
Aug 11, 202670 mph, measuredLemont, Westmont, Bolingbrook
14 wind reports		NWS storm report (preliminary)
Aug 9, 2026damage reportedLemont
1 wind report		NWS storm report (preliminary)
Jul 27, 202678 mph, measuredLemont, Oakbrook Terrace, Darien
34 wind reports		NWS storm report (preliminary)
Jul 3, 202660 mph, measuredWestchester, Romeoville, Lombard
5 wind reports		NWS storm report (preliminary)
Jul 2, 202666 mph, measuredElmhurst, Villa Park
6 wind reports		NWS storm report (preliminary)
Jun 13, 202658 mph, estimatedWoodridge
1 wind report		NOAA Storm Events
Jun 11, 202669 mph, estimatedBolingbrook, Argonne National Laboratory, La Grange
6 wind reports		NOAA Storm Events
Jun 10, 202675 mph, estimatedHillside, Naperville, Westchester
12 wind reports		NOAA Storm Events
May 18, 202658 mph, estimatedSummit, Forest View
2 wind reports		NOAA Storm Events
Apr 17, 202664 mph, measuredIndian Head Park
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 Westmont; 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 Westmont.

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