Hail history for Oak Forest, Illinois
NOAA hail reports in and within about 5 km (3 miles) of Oak Forest since 2004, with preliminary reports to November 3, 2026.
Readout · Oak Forest
- Last hail
- Jul 27, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 6 reports
- Largest ever
- 2.00 in
- hen egg · Feb 27, 2024
10 reports on 6 days since 2004 · #357 of 378 Illinois places
Hail map · Oak Forest
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Concerned about your roof after hail?
Send a request to Moxisync Labs for review. The latest hail report in Oak Forest is from July 27, 2026. We’re building local roofer coverage. Submitting a request does not guarantee a quote or book an inspection.
Phone line opening soon
What the record says about Oak Forest
The latest hail report in and around Oak Forest is from July 27, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 2.00 in on February 27, 2024.
Over the 20 years 2006–2025, Oak Forest logged 5 reports on 4 hail days, about 0.3 reports a year. That is about half the median Illinois town on this site (0.5 a year) and ranks #357 of 378 Illinois cities and towns on this site for all-time reports. Oak Forest accounts for 2% of the 660 reports filed in Cook County.
10% 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 2.00 in (hen egg) on February 27, 2024 near 0.89 N Oak Forest.
The busiest year was 2026, with 3 reports on 1 day. Hail here peaks in July (30% of reports); 50% fall between April and June.
Reports a year 2006–2025 average
- Oak Forest 0.3
- Cook County 20.1
- Median Illinois town on this site 0.5
Hail days 2006–2025
- Oak Forest 4
- Cook County 121
- Median Illinois town on this site 8
Share 2 in or larger of sized reports
- Oak Forest 10%
- 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 | 3 | 3 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 2 | 1 | 3 | ||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 27, 2026 | 3 | 1.00 in | — |
| May 7, 2024 | 1 | 1.25 in | — |
| Feb 27, 2024 | 2 | 2.00 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Feb 27, 2024 | 2.00 inhen egg | 0.89 N Oak Forest | Cook | 20:44 local · NCEI |
| May 20, 2014 | 1.75 ingolf ball | 0.28 SE Goeselville | Cook | 19:49 local · NCEI |
| Feb 27, 2024 | 1.50 inping pong ball | 0.71 N Oak Forest | Cook | 20:40 local · NCEI |
| May 7, 2024 | 1.25 inhalf dollar | 0.69 N Oak Forest | Cook | 13:24 local · NCEI |
| Jul 27, 2026 | 1.00 inquarter | 1.01 W Midlothian | Cook | 12:01 local · NCEI |
Size of every report
- Under 1 in 2 20%
- 1–2 in 7 70%
- 2 in + 1 10%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 27, 2026 | 1.00 inquarter | 1.01 W Midlothian | Cook | 12:01 local · NCEI |
| Jul 27, 2026 | 1.00 inquarter | 0.58 E Oak Forest | Cook | 11:50 local · NCEI |
| Jul 27, 2026 | 1.00 inquarter | 1.06 W Oak Forest | Cook | 11:47 local · NCEI |
| May 7, 2024 | 1.25 inhalf dollar | 0.69 N Oak Forest | Cook | 13:24 local · NCEI |
| Feb 27, 2024 | 2.00 inhen egg | 0.89 N Oak Forest | Cook | 20:44 local · NCEI |
| Feb 27, 2024 | 1.50 inping pong ball | 0.71 N Oak Forest | Cook | 20:40 local · NCEI |
| May 20, 2014 | 1.75 ingolf ball | 0.28 SE Goeselville | Cook | 19:49 local · NCEI |
| Jun 22, 2006 | 0.75 inpenny | Oak Forest | Cook | 08:03 local · NCEI |
| Apr 20, 2004 | 0.75 inpenny | Oak Forest | Cook | 20:05 local · NCEI |
| Apr 20, 2004 | 1.00 inquarter | 1 W Oak Forest | Cook | 20:03 local · NCEI |
Hail history near Oak Forest
- Tinley Park 6 km · 13
- Alsip 7 km · 10
- Orland Park 9 km · 19
- Oak Lawn 12 km · 12
- Mokena 13 km · 15
- Frankfort 15 km · 10
- Park Forest 15 km · 10
- Homer Glen 17 km · 10
Questions about hail in Oak Forest
How often does it hail in Oak Forest, Illinois?
10 hail reports have been logged in and within about 5 km (3 miles) of Oak Forest since 2004. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #357 of 378 Illinois places by number of reports.
When is hail season in Oak Forest?
Most reports come in July, February, April. July alone accounts for 30% of all reports.
What is the largest hail recorded in Oak Forest?
2.00 in (hen egg size) on February 27, 2024 near 0.89 N Oak Forest. 10% of reports here were 2 inches or larger.
When did it last hail in Oak Forest?
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 Forest had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 6 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.