Hail history for Arlington Heights, Illinois
NOAA hail reports in and within about 5 km (3 miles) of Arlington Heights since 1999, with preliminary reports to November 3, 2026.
Readout · Arlington Heights
- Last hail
- Aug 16, 2025
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 2 reports
- Largest ever
- 1.75 in
- golf ball · Jul 6, 2003
20 reports on 15 days since 1999 · #111 of 378 Illinois places
Hail map · Arlington Heights
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
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 Arlington Heights is from August 16, 2025. A local roofer can check and document it at no cost.
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What the record says about Arlington Heights
The latest hail report in and around Arlington Heights is from August 16, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.50 in on April 4, 2023.
Over the 20 years 2006–2025, Arlington Heights logged 9 reports on 8 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 #111 of 378 Illinois cities and towns on this site for all-time reports. Arlington Heights accounts for 3% 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 1.75 in (golf ball) on July 6, 2003 near Arlington Hgts.
Reports were down 20% in 2016–2025 (4) compared with 2006–2015 (5). The busiest year was 2003, with 7 reports on 4 days. Hail here peaks in August (35% of reports); 30% fall between April and June.
Reports a year 2006–2025 average
- Arlington Heights 0.5
- Cook County 20.1
- Median Illinois town on this site 0.5
Hail days 2006–2025
- Arlington Heights 8
- Cook County 121
- Median Illinois town on this site 8
Share 2 in or larger of sized reports
- Arlington Heights 0%
- Cook County 4%
- Median Illinois town on this site 4%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 1 | 1 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Aug 16, 2025 | 1 | 1.00 in | — |
| Apr 4, 2023 | 1 | 1.50 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 6, 2003 | 1.75 ingolf ball | Arlington Hgts | Cook | 12:59 local · NCEI |
| Jun 9, 1999 | 1.75 ingolf ball | Arlington Hgts | Cook | 16:22 local · NCEI |
| Apr 4, 2023 | 1.50 inping pong ball | 0.86 SW Arlington Heights | Cook | 13:11 local · NCEI |
| Aug 1, 2003 | 1.25 inhalf dollar | Arlington Hgts | Cook | 12:47 local · NCEI |
| Aug 16, 2025 | 1.00 inquarter | 1.34 WNW Arlington Heights | Cook | 15:33 local · NCEI |
Size of every report
- Under 1 in 7 35%
- 1–2 in 13 65%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 16, 2025 | 1.00 inquarter | 1.34 WNW Arlington Heights | Cook | 15:33 local · NCEI |
| Apr 4, 2023 | 1.50 inping pong ball | 0.86 SW Arlington Heights | Cook | 13:11 local · NCEI |
| Aug 23, 2020 | 1.00 inquarter | 2.17 NE Arlington Park | Cook | 16:00 local · NCEI |
| Apr 10, 2017 | 0.75 inpenny | 1.24 NE Arlington Hgts | Cook | 16:56 local · NCEI |
| Aug 2, 2015 | 1.00 inquarter | 2.03 NE Arlington Park | Cook | 21:36 local · NCEI |
| Apr 19, 2011 | 0.88 innickel | Arlington Hgts | Cook | 18:15 local · NCEI |
| Apr 5, 2010 | 0.88 innickel | Arlington Hgts | Cook | 21:38 local · NCEI |
| Apr 5, 2010 | 1.00 inquarter | Rolling Meadows | Cook | 21:35 local · NCEI |
| Oct 2, 2006 | 0.75 inpenny | 1.24 NW Arlington Hgts | Cook | 19:00 local · NCEI |
| Sep 22, 2005 | 1.00 inquarter | Wheeling | Cook | 16:45 local · NCEI |
| Mar 1, 2004 | 1.00 inquarter | Arlington Hgts | Cook | 15:20 local · NCEI |
| Mar 1, 2004 | 1.00 inquarter | Arlington Hgts | Cook | 15:20 local · NCEI |
Hail history near Arlington Heights
- Palatine 6 km · 27
- Buffalo Grove 8 km · 10
- Des Plaines 10 km · 30
- Schaumburg 11 km · 29
- Glenview 13 km · 14
- Hoffman Estates 14 km · 10
- Niles 16 km · 16
- Streamwood 18 km · 30
Questions about hail in Arlington Heights
How often does it hail in Arlington Heights, Illinois?
20 hail reports have been logged in and within about 5 km (3 miles) of Arlington Heights since 1999. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #111 of 378 Illinois places by number of reports.
When is hail season in Arlington Heights?
Most reports come in August, April, July. August alone accounts for 35% of all reports.
What is the largest hail recorded in Arlington Heights?
1.75 in (golf ball size) on July 6, 2003 near Arlington Hgts. 0% of reports here were 2 inches or larger.
When did it last hail in Arlington Heights?
The most recent report in this data is from August 16, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Arlington Heights had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was August 16, 2025.
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.