Hail history for Clinton County, Illinois
Every NOAA hail report filed in Clinton County since 1957, with preliminary National Weather Service reports to November 3, 2026.
Readout · Clinton County
- Last hail
- Aug 21, 2026
- 1.50 in, ping pong ball size · preliminary
- Hail days, last 5 years
- 5
- since Nov 3, 2021 · 7 reports
- Largest ever
- 3.00 in
- teacup · Aug 3, 1967
97 reports on 60 days since 1957 · #47 of 103 Illinois counties
Hail map · Clinton County
- 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 Clinton County is from August 21, 2026. A local roofer can check and document it at no cost.
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What the record says about Clinton County
The latest hail report in Clinton County is from August 21, 2026, 1.50 in (ping pong ball size). Since November 3, 2021 there have been 5 separate hail days; the biggest stones in that time were 2.00 in on April 30, 2025.
Over the 20 years 2006–2025, Clinton County logged 54 reports on 29 hail days, about 2.7 reports a year. That is about the same as the median Illinois county (2.6 a year) and ranks #47 of 103 Illinois counties for all-time reports. Clinton County holds 1% of all 12,418 hail reports in Illinois.
8% of reports with a size were 2 inches (hen egg) or larger, against 5% for the median Illinois county. The largest hail on record here is 3.00 in (teacup) on August 3, 1967.
Reports were down 77% in 2016–2025 (10) compared with 2006–2015 (44). The busiest year was 2012, with 21 reports on 7 days. Hail here peaks in April (28% of reports); 49% fall between April and June.
Reports a year 2006–2025 average
- Clinton County 2.7
- Median Illinois county 2.6
Hail days 2006–2025
- Clinton County 29
- Median Illinois county 34
Share 2 in or larger of sized reports
- Clinton County 8%
- Median Illinois county 5%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | |||||||||||
| 2025 | 3 | 3 | |||||||||||
| 2024 | 1 | 1 | 2 | ||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 | 2 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Aug 21, 2026 | 1 | 1.50 in | View |
| Apr 30, 2025 | 3 | 2.00 in | — |
| Apr 7, 2024 | 1 | 1.50 in | — |
| Mar 14, 2024 | 1 | 1.00 in | — |
| Jul 1, 2023 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Aug 3, 1967 | 3.00 inteacup | — | 19:45 local · NCEI |
| Apr 28, 2012 | 2.75 inbaseball | 0.89 N New Baden | 15:28 local · NCEI |
| May 30, 2004 | 2.75 inbaseball | 5 W Breese | 15:30 local · NCEI |
| Sep 25, 2012 | 2.50 intennis ball | 0.67 NW Aviston | 15:58 local · NCEI |
| Sep 25, 2012 | 2.50 intennis ball | 0.72 WNW Trenton | 15:54 local · NCEI |
Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.
Size of every report
- Under 1 in 32 33%
- 1–2 in 57 59%
- 2 in + 8 8%
Most recent reports
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Aug 21, 2026 | 1.50 inping pong ball | Aviston | — | 08:25 UTC · NWS prelim. |
| Apr 30, 2025 | 2.00 inhen egg | 0.88 NW Aviston | — | 16:21 local · NCEI |
| Apr 30, 2025 | 1.00 inquarter | 0.54 W Aviston | — | 16:20 local · NCEI |
| Apr 30, 2025 | 1.00 inquarter | 0.54 E Trenton | — | 16:05 local · NCEI |
| Apr 7, 2024 | 1.50 inping pong ball | 0.88 NW Aviston | $100K | 15:49 local · NCEI |
| Mar 14, 2024 | 1.00 inquarter | 0.84 WSW Damiansville | — | 17:36 local · NCEI |
| Jul 1, 2023 | 1.00 inquarter | 0.81 NNW Carlyle | — | 15:12 local · NCEI |
| Aug 17, 2019 | 1.00 inquarter | 0.39 NNW Trenton | — | 18:25 local · NCEI |
| Nov 5, 2017 | 1.75 ingolf ball | 2.02 NNW Trenton | — | 15:12 local · NCEI |
| Mar 30, 2017 | 1.00 inquarter | 0.7 NW Aviston | — | 11:57 local · NCEI |
| May 11, 2016 | 1.00 inquarter | 1.05 NNW Breese | — | 14:00 local · NCEI |
| Sep 25, 2012 | 1.00 inquarter | 0.52 SE Albers | — | 16:00 local · NCEI |
Cities and towns in Clinton County
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Trenton | 9 | 9 | Apr 30, 2025 |
| New Baden | 7 | 6 | Sep 25, 2012 |
| Damiansville | 5 | 5 | Mar 14, 2024 |
| Germantown | 5 | 5 | Apr 28, 2012 |
| Bartelso | 4 | 4 | Apr 25, 2012 |
| Albers | 3 | 3 | Sep 25, 2012 |
| Beckemeyer | 3 | 3 | Jul 3, 2011 |
| St. Rose | 3 | 3 | May 24, 2006 |
| Keyesport | 2 | 2 | May 24, 2006 |
| Hoffman | 1 | 1 | Jun 2, 1987 |
Questions about hail in Clinton County
How often does it hail in Clinton County, Illinois?
97 hail reports have been logged in Clinton County since 1957. Over the 20 years 2006–2025 that averages 2.7 reports a year. That ranks #47 of 103 Illinois counties by number of reports.
When is hail season in Clinton County?
Most reports come in April, May, July. April alone accounts for 28% of all reports.
What is the largest hail recorded in Clinton County?
3.00 in (teacup size) on August 3, 1967. 8% of reports here were 2 inches or larger.
When did it last hail in Clinton County?
The most recent report in this data is from August 21, 2026 (1.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Clinton County had in the last five years?
5 separate days with hail reports since November 3, 2021, adding up to 7 reports. The most recent was August 21, 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.