Hail History

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Hail history for Lockport, IL

Last hail within 10 milesJul 27, 20261.5 in (ping pong ball)
Hail days, last 12 months6
Largest hail since 20064 in (grapefruit)Mar 10, 2026
Hail days since 200673
Days with hail 1 inch or larger45
Tornadoes within 10 miles18
Damaging wind reports within 10 miles317

Hail has been reported within 10 miles of Lockport on 73 days since 2006. The largest stones measured 4 in (grapefruit) on Mar 10, 2026. Hail is most common here in June and May.

Lockport ranks #66 for hail days among the 1,399 U.S. cities of 25,000 to 100,000 people. See the ranking →

Recent hail near Lockport

DateHail sizeWhereSource
Jul 27, 20262.25 inShorewood, Lemont, Crystal Lawns
5 hail reports · closest 6 mi from Lockport		NWS storm report (preliminary)
Jul 3, 20261 in
quarter		Rockdale, Joliet
2 hail reports · closest 6 mi from Lockport		NWS storm report (preliminary)
Mar 31, 20261.75 in
golf ball		Rockdale, Ingalls Park, New Lenox
9 hail reports · closest 6 mi from Lockport		NOAA Storm Events
Mar 30, 20261.25 in
half dollar		Bolingbrook Clow Airport, Romeoville
2 hail reports · closest 4 mi from Lockport		NOAA Storm Events
Mar 26, 20261 in
quarter		Bolingbrook Clow Airport, Lockport
2 hail reports · closest 2 mi from Lockport		NOAA Storm Events
Mar 10, 20264 in
grapefruit		Woodridge, Bolingbrook, Bolingbrook Clow Airport
4 hail reports · closest 5 mi from Lockport		NOAA Storm Events
May 15, 20251.25 in
half dollar		Alpine
1 hail report · closest 8 mi from Lockport		NOAA Storm Events
Mar 19, 20251 in
quarter		Romeoville, Lemont
2 hail reports · closest 4 mi from Lockport		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 Lockport by year

806407408209310511612613214315166171185192202122323524225626

When hail season peaks near Lockport

Of the 73 hail days since 2006, most fell in June (15) and May (14).

1Jan3Feb10Mar8Apr14May15Jun10Jul2Aug3Sep4Oct3NovDec

Largest hail storms near Lockport

Mar 10, 2026 · 4 in (grapefruit) · Woodridge (10 mi from Lockport)

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 · 2.25 in · Shorewood (8 mi from Lockport)

Jun 10, 2015 · 2 in (hen egg) · Lockport (0 mi from Lockport)

Apr 14, 2006 · 1.75 in (golf ball) · Dana (10 mi from Lockport)

Oct 2, 2006 · 1.75 in (golf ball) · Walker (8 mi from Lockport)

National Weather Service description (English): Quarter to golf ball size hail was reported across much of Plainfield. Quarter size hail fell for 10 minutes at the Intersection of Route 30 at 127th Street.

Tornadoes within 10 miles of Lockport

DateRatingWherePath
Aug 11, 2026EF?New Lenox
6 mi from Lockport
Aug 11, 2026EF?Homer Glen
8 mi from Lockport
Jul 27, 2026EF?Romeoville
3 mi from Lockport
Jul 27, 2026EF?Orland Park
9 mi from Lockport
Mar 19, 2025EF0Preston Heights
7 mi from Lockport		0.2 mi long, 90 yd wide
Mar 19, 2025EF0New Lenox
8 mi from Lockport		1.5 mi long, 60 yd wide
Jul 15, 2024EF0Mokena
9 mi from Lockport		2.9 mi long, 300 yd wide
Mar 31, 2023EF0Tamarack
10 mi from Lockport		1.6 mi long, 125 yd wide
Jul 23, 2022EF0Manhattan
10 mi from Lockport		0.7 mi long, 150 yd wide
Jul 23, 2022EF0Lewis University Airport
3 mi from Lockport		4.1 mi long, 200 yd wide
Jun 20, 2021EF0Plainfield
8 mi from Lockport		4.8 mi long, 200 yd wide
May 27, 2019EF0Lockport Lewis Airport
5 mi from Lockport		3.2 mi long, 300 yd wide

Damaging thunderstorm winds near Lockport

317 reports of damaging thunderstorm wind within 10 miles of Lockport since 2006, on 99 days. The strongest measured gust was 96 mph on Aug 11, 2026.

DateStrongest gustWhereSource
Aug 12, 202664 mph, measuredShorewood
1 wind report		NWS storm report (preliminary)
Aug 11, 202696 mph, measuredShorewood, Plainfield, Lemont
22 wind reports		NWS storm report (preliminary)
Aug 9, 2026damage reportedLemont
1 wind report		NWS storm report (preliminary)
Jul 27, 202678 mph, measuredLemont, Homer Glen, NWS Chicago-Romeoville
11 wind reports		NWS storm report (preliminary)
Jul 4, 202668 mph, measuredShorewood, Preston Heights, Plainfield
3 wind reports		NWS storm report (preliminary)
Jul 3, 202660 mph, estimatedRockdale, Plainfield, Romeoville
6 wind reports		NWS storm report (preliminary)
Jun 11, 202669 mph, estimatedBolingbrook, Romeoville
4 wind reports		NOAA Storm Events
Jun 10, 202675 mph, estimatedIdylside, Crest Hill, Plainfield
22 wind reports		NOAA Storm Events
Apr 2, 202660 mph, estimatedChicagoland Speedway, Lewis University Airport
2 wind reports		NOAA Storm Events
Mar 15, 202663 mph, estimatedHomer Glen
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 Lockport; 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 Lockport.

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