Hail History

Hail history for Oak Lawn, Illinois

NOAA hail reports in and within about 5 km (3 miles) of Oak Lawn since 1976, with preliminary reports to November 3, 2026.

Readout · Oak Lawn

Last hail
Jul 27, 2026
1.00 in, quarter size
Hail days, last 5 years
4
since Nov 3, 2021 · 7 reports
Largest ever
1.50 in
ping pong ball · Feb 27, 2024

12 reports on 9 days since 1976 · #260 of 378 Illinois places

Hail map · Oak Lawn

Oak Lawn Alsip Bedford Park Oak Forest Chicago Orland Park Tinley Park Darien Lemont 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
12 most recent reports with a location; Cook County is shaded. Open street map

For homeowners

Roof damage after hail? Get a free inspection

Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Oak Lawn is from July 27, 2026. A local roofer can check and document it at no cost.

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What the record says about Oak Lawn

The latest hail report in and around Oak Lawn is from July 27, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 4 separate hail days; the biggest stones in that time were 1.50 in on February 27, 2024.

Over the 20 years 2006–2025, Oak Lawn logged 9 reports on 7 hail days, about 0.5 reports a year. That is 10% less than the median Illinois town on this site (0.5 a year) and ranks #260 of 378 Illinois cities and towns on this site for all-time reports. Oak Lawn accounts for 2% of the 660 reports filed in Cook County.

0% of reports with a size were 2 inches (hen egg) or larger, against 4% for the median Illinois town on this site. The largest hail on record here is 1.50 in (ping pong ball) on February 27, 2024 near 1.03 W Oak Lawn.

Reports were up 250% in 2016–2025 (7) compared with 2006–2015 (2). The busiest year was 2024, with 3 reports on 2 days. Hail here peaks in March (33% of reports); 42% fall between April and June.

Reports a year 2006–2025 average

  • Oak Lawn 0.5
  • Cook County 20.1
  • Median Illinois town on this site 0.5

Hail days 2006–2025

  • Oak Lawn 7
  • Cook County 121
  • Median Illinois town on this site 8

Share 2 in or larger of sized reports

  • Oak Lawn 0%
  • Cook County 4%
  • Median Illinois town on this site 4%

Hail over time

0123 1976: 1 reports, largest 1.00 in 1980 1990 2000 2008: 1 reports, largest 0.75 in 2010 2012: 1 reports, largest 1.00 in 2017: 2 reports, largest 1.00 in 2020 2024: 3 reports, largest 1.50 in 2025: 2 reports, largest 1.00 in 2026: 2 reports, largest 1.00 in
Reports per year, 1976–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan February: 1 reports (8%) Feb March: 4 reports (33%) Mar April: 1 reports (8%) Apr May: 3 reports (25%) May June: 1 reports (8%) Jun July: 2 reports (17%) Jul Aug Sep Oct Nov Dec
All 12 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 2 2
2025 2 2
2024 12 3
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 11 2

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jul 27, 2026 2 1.00 in —
Mar 19, 2025 2 1.00 in —
May 7, 2024 2 1.00 in —
Feb 27, 2024 1 1.50 in —

Largest hail on record

Largest hail reports in Oak Lawn
Date Size Location County Time · source
Feb 27, 2024 1.50 inping pong ball 1.03 W Oak Lawn Cook 20:36 local · NCEI
Jul 27, 2026 1.00 inquarter 1.24 SW Evergreen Park Cook 11:51 local · NCEI
Jul 27, 2026 1.00 inquarter 1.03 W Oak Lawn Cook 11:50 local · NCEI
Mar 19, 2025 1.00 inquarter 0.52 W Hometown Cook 16:33 local · NCEI
Mar 19, 2025 1.00 inquarter 1.03 W Oak Lawn Cook 16:30 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Oak Lawn
Date Size Location County Time · source
Jul 27, 2026 1.00 inquarter 1.24 SW Evergreen Park Cook 11:51 local · NCEI
Jul 27, 2026 1.00 inquarter 1.03 W Oak Lawn Cook 11:50 local · NCEI
Mar 19, 2025 1.00 inquarter 0.52 W Hometown Cook 16:33 local · NCEI
Mar 19, 2025 1.00 inquarter 1.03 W Oak Lawn Cook 16:30 local · NCEI
May 7, 2024 1.00 inquarter 1.03 W Oak Lawn Cook 13:26 local · NCEI
May 7, 2024 1.00 inquarter 1.24 SW Evergreen Park Cook 12:55 local · NCEI
Feb 27, 2024 1.50 inping pong ball 1.03 W Oak Lawn Cook 20:36 local · NCEI
Apr 10, 2017 1.00 inquarter Oak Lawn Cook 12:18 local · NCEI
Mar 20, 2017 1.00 inquarter Oak Lawn Cook 01:45 local · NCEI
May 3, 2012 1.00 inquarter Oak Lawn Cook 20:54 local · NCEI
Jun 21, 2008 0.75 inpenny Burbank Cook 13:05 local · NCEI
Mar 1, 1976 1.00 inquarter — Cook 16:35 local · NCEI

Hail history near Oak Lawn

Questions about hail in Oak Lawn

How often does it hail in Oak Lawn, Illinois?

12 hail reports have been logged in and within about 5 km (3 miles) of Oak Lawn since 1976. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #260 of 378 Illinois places by number of reports.

When is hail season in Oak Lawn?

Most reports come in March, May, July. March alone accounts for 33% of all reports.

What is the largest hail recorded in Oak Lawn?

1.50 in (ping pong ball size) on February 27, 2024 near 1.03 W Oak Lawn. 0% of reports here were 2 inches or larger.

When did it last hail in Oak Lawn?

The most recent report in this data is from July 27, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Oak Lawn had in the last five years?

4 separate days with hail reports since November 3, 2021, adding up to 7 reports. The most recent was July 27, 2026.

Where does this hail data come from?

Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.