Hail history for Crystal Lake, Illinois
NOAA hail reports in and within about 5 km (3 miles) of Crystal Lake since 1975, with preliminary reports to November 3, 2026.
Readout · Crystal Lake
- Last hail
- Sep 3, 2015
- 0.88 in, nickel size
- Hail days, last 5 years
- 0
- since Nov 3, 2021 · 0 reports
- Largest ever
- 1.75 in
- golf ball · Aug 2, 2015
27 reports on 23 days since 1975 · #64 of 378 Illinois places
Hail map · Crystal Lake
- 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 Crystal Lake is from September 3, 2015. A local roofer can check and document it at no cost.
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What the record says about Crystal Lake
The latest hail report in and around Crystal Lake is from September 3, 2015, 0.88 in (nickel size). There has been no hail report here in the five years since November 3, 2021.
Over the 20 years 2006–2025, Crystal Lake logged 19 reports on 16 hail days, about 0.9 reports a year. That is about twice the median Illinois town on this site (0.5 a year) and ranks #64 of 378 Illinois cities and towns on this site for all-time reports. Crystal Lake accounts for 14% of the 196 reports filed in McHenry 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 August 2, 2015 near Crystal Lake.
Reports were down 100% in 2016–2025 (0) compared with 2006–2015 (19). The busiest year was 2011, with 4 reports on 2 days. Hail here peaks in May (33% of reports); 67% fall between April and June.
Reports a year 2006–2025 average
- Crystal Lake 0.9
- McHenry County 7.2
- Median Illinois town on this site 0.5
Hail days 2006–2025
- Crystal Lake 16
- McHenry County 59
- Median Illinois town on this site 8
Share 2 in or larger of sized reports
- Crystal Lake 0%
- McHenry County 3%
- 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 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 2, 2015 | 1.75 ingolf ball | Crystal Lake | Mchenry | 21:06 local · NCEI |
| Apr 12, 2014 | 1.75 ingolf ball | Crystal Lake | Mchenry | 09:54 local · NCEI |
| Apr 13, 2006 | 1.75 ingolf ball | Rockford | Winnebago | 20:42 local · NCEI |
| May 19, 2005 | 1.75 ingolf ball | Crystal Lake | Mchenry | 16:13 local · NCEI |
| Apr 12, 1996 | 1.75 ingolf ball | Crystal Lake | Mchenry | 13:42 local · NCEI |
Size of every report
- Under 1 in 11 41%
- 1–2 in 16 59%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Sep 3, 2015 | 0.88 innickel | Crystal Lake | Mchenry | — | 18:33 local · NCEI |
| Aug 2, 2015 | 1.75 ingolf ball | Crystal Lake | Mchenry | — | 21:06 local · NCEI |
| Apr 9, 2015 | 0.88 innickel | Crystal Lake | Mchenry | — | 17:58 local · NCEI |
| Apr 12, 2014 | 1.75 ingolf ball | Crystal Lake | Mchenry | — | 09:54 local · NCEI |
| Apr 17, 2013 | 1.00 inquarter | Crystal Lake | Mchenry | — | 12:12 local · NCEI |
| May 26, 2012 | 0.88 innickel | 1.68 ENE Crystal Lake Arpt | Mchenry | — | 06:03 local · NCEI |
| May 11, 2011 | 1.50 inping pong ball | Crystal Lake | Mchenry | — | 15:49 local · NCEI |
| May 11, 2011 | 1.50 inping pong ball | 0.78 ESE Crystal Lake | Mchenry | $5K | 15:20 local · NCEI |
| Mar 20, 2011 | 1.00 inquarter | Crystal Lake | Mchenry | — | 15:09 local · NCEI |
| Mar 20, 2011 | 1.00 inquarter | Crystal Lake | Mchenry | — | 14:20 local · NCEI |
| Apr 6, 2010 | 1.00 inquarter | Crystal Lake | Mchenry | — | 00:15 local · NCEI |
| Jun 19, 2009 | 1.00 inquarter | 1.49 NNW Crystal Lake | Mchenry | — | 08:08 local · NCEI |
Hail history near Crystal Lake
- Lake in the Hills 6 km · 18
- Woodstock 12 km · 28
- Huntley 12 km · 22
- McHenry 12 km · 14
- Barrington Hills 15 km · 16
- Elgin 22 km · 38
- Marengo 22 km · 27
- Hoffman Estates 24 km · 10
Questions about hail in Crystal Lake
How often does it hail in Crystal Lake, Illinois?
27 hail reports have been logged in and within about 5 km (3 miles) of Crystal Lake since 1975. Over the 20 years 2006–2025 that averages 0.9 reports a year. That ranks #64 of 378 Illinois places by number of reports.
When is hail season in Crystal Lake?
Most reports come in May, April, July. May alone accounts for 33% of all reports.
What is the largest hail recorded in Crystal Lake?
1.75 in (golf ball size) on August 2, 2015 near Crystal Lake. 0% of reports here were 2 inches or larger.
When did it last hail in Crystal Lake?
The most recent report in this data is from September 3, 2015 (0.88 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Crystal Lake had in the last five years?
None: there has been no hail report in and within about 5 km (3 miles) of Crystal Lake since November 3, 2021. The last one was on September 3, 2015.
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.