Hail history for Williamsville, Illinois
NOAA hail reports in and within about 5 km (3 miles) of Williamsville since 1996, with preliminary reports to November 3, 2026.
Readout · Williamsville
- Last hail
- Aug 2, 2022
- 0.88 in, nickel size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 1.75 in
- golf ball · Aug 26, 1996
10 reports on 9 days since 1996 · #377 of 378 Illinois places
Hail map · Williamsville
- 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 Williamsville is from August 2, 2022. A local roofer can check and document it at no cost.
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What the record says about Williamsville
The latest hail report in and around Williamsville is from August 2, 2022, 0.88 in (nickel size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 0.88 in on August 2, 2022.
Over the 20 years 2006–2025, Williamsville 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 #377 of 378 Illinois cities and towns on this site for all-time reports. Williamsville accounts for 3% of the 319 reports filed in Sangamon 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 26, 1996 near Williamsville.
Reports were down 71% in 2016–2025 (2) compared with 2006–2015 (7). The busiest year was 2013, with 2 reports on 1 day. Hail here peaks in June (30% of reports); 60% fall between April and June.
Reports a year 2006–2025 average
- Williamsville 0.5
- Sangamon County 11.8
- Median Illinois town on this site 0.5
Hail days 2006–2025
- Williamsville 8
- Sangamon County 87
- Median Illinois town on this site 8
Share 2 in or larger of sized reports
- Williamsville 0%
- Sangamon County 5%
- 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 | 1 | 1 | |||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Aug 2, 2022 | 1 | 0.88 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 26, 1996 | 1.75 ingolf ball | Williamsville | Sangamon | 14:45 local · NCEI |
| Jun 7, 2015 | 1.00 inquarter | 2.12 W Williamsville | Sangamon | 20:04 local · NCEI |
| Jun 24, 2013 | 1.00 inquarter | Williamsville | Sangamon | 16:25 local · NCEI |
| Apr 19, 2011 | 1.00 inquarter | Williamsville | Sangamon | 17:10 local · NCEI |
| Aug 2, 2022 | 0.88 innickel | 1 NW Williamsville | Sangamon | 01:30 local · NCEI |
Size of every report
- Under 1 in 6 60%
- 1–2 in 4 40%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Aug 2, 2022 | 0.88 innickel | 1 NW Williamsville | Sangamon | 01:30 local · NCEI |
| Mar 7, 2017 | 0.75 inpenny | Williamsville | Sangamon | 00:25 local · NCEI |
| Jun 7, 2015 | 1.00 inquarter | 2.12 W Williamsville | Sangamon | 20:04 local · NCEI |
| Jun 24, 2013 | 1.00 inquarter | Williamsville | Sangamon | 16:25 local · NCEI |
| Jun 24, 2013 | 0.88 innickel | Williamsville | Sangamon | 16:19 local · NCEI |
| May 22, 2011 | 0.75 inpenny | 2.12 W Williamsville | Sangamon | 14:11 local · NCEI |
| Apr 19, 2011 | 1.00 inquarter | Williamsville | Sangamon | 17:10 local · NCEI |
| May 7, 2009 | 0.75 inpenny | 2 SE Williamsville | Sangamon | 16:28 local · NCEI |
| Jul 19, 2006 | 0.88 innickel | Williamsville | Sangamon | 16:08 local · NCEI |
| Aug 26, 1996 | 1.75 ingolf ball | Williamsville | Sangamon | 14:45 local · NCEI |
Hail history near Williamsville
- Sherman 9 km · 20
- Elkhart 9 km · 10
- Athens 15 km · 20
- Springfield 20 km · 108
- Greenview 22 km · 12
- Mount Pulaski 23 km · 14
- Lincoln 26 km · 32
- Petersburg 27 km · 25
Questions about hail in Williamsville
How often does it hail in Williamsville, Illinois?
10 hail reports have been logged in and within about 5 km (3 miles) of Williamsville since 1996. Over the 20 years 2006–2025 that averages 0.5 reports a year. That ranks #377 of 378 Illinois places by number of reports.
When is hail season in Williamsville?
Most reports come in June, May, August. June alone accounts for 30% of all reports.
What is the largest hail recorded in Williamsville?
1.75 in (golf ball size) on August 26, 1996 near Williamsville. 0% of reports here were 2 inches or larger.
When did it last hail in Williamsville?
The most recent report in this data is from August 2, 2022 (0.88 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Williamsville had in the last five years?
1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was August 2, 2022.
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.