Hail history for Union County, Illinois
Every NOAA hail report filed in Union County since 1963, with preliminary National Weather Service reports to November 3, 2026.
Readout · Union County
- Last hail
- Feb 22, 2024
- 1.00 in, quarter size
- Hail days, last 5 years
- 5
- since Nov 3, 2021 · 6 reports
- Largest ever
- 2.75 in
- baseball · Jul 31, 1967
55 reports on 42 days since 1963 · #84 of 103 Illinois counties
Hail map · Union 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 Union County is from February 22, 2024. A local roofer can check and document it at no cost.
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What the record says about Union County
The latest hail report in Union County is from February 22, 2024, 1.00 in (quarter size). Since November 3, 2021 there have been 5 separate hail days; the biggest stones in that time were 1.75 in on June 30, 2023.
Over the 20 years 2006–2025, Union County logged 20 reports on 15 hail days, about 1.0 reports a year. That is 38% of the median Illinois county (2.6 a year) and ranks #84 of 103 Illinois counties for all-time reports. Union County holds 0% of all 12,418 hail reports in Illinois.
4% 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 2.75 in (baseball) on July 31, 1967.
Reports were down 33% in 2016–2025 (8) compared with 2006–2015 (12). The busiest year was 2006, with 4 reports on 3 days. Hail here peaks in April (29% of reports); 65% fall between April and June.
Reports a year 2006–2025 average
- Union County 1.0
- Median Illinois county 2.6
Hail days 2006–2025
- Union County 15
- Median Illinois county 34
Share 2 in or larger of sized reports
- Union County 4%
- Median Illinois county 5%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 2 | 2 | |||||||||||
| 2022 | 1 | 2 | 3 | ||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 1 | 2 | ||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Feb 22, 2024 | 1 | 1.00 in | — |
| Jun 30, 2023 | 2 | 1.75 in | — |
| Jun 17, 2022 | 1 | 1.00 in | — |
| Jun 1, 2022 | 1 | 0.88 in | — |
| Apr 13, 2022 | 1 | 0.88 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 31, 1967 | 2.75 inbaseball | — | 17:10 local · NCEI |
| Sep 25, 1977 | 2.00 inhen egg | — | 17:55 local · NCEI |
| Jun 30, 2023 | 1.75 ingolf ball | Anna | 16:20 local · NCEI |
| Mar 28, 2012 | 1.75 ingolf ball | Jonesboro | 17:38 local · NCEI |
| Apr 2, 2006 | 1.75 ingolf ball | 2 N Jonesboro | 17:36 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 28 51%
- 1–2 in 25 45%
- 2 in + 2 4%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Feb 22, 2024 | 1.00 inquarter | Anna | 16:06 local · NCEI |
| Jun 30, 2023 | 1.00 inquarter | 4 E Anna | 16:37 local · NCEI |
| Jun 30, 2023 | 1.75 ingolf ball | Anna | 16:20 local · NCEI |
| Jun 17, 2022 | 1.00 inquarter | Anna | 06:12 local · NCEI |
| Jun 1, 2022 | 0.88 innickel | Jonesboro | 17:15 local · NCEI |
| Apr 13, 2022 | 0.88 innickel | Cobden | 07:32 local · NCEI |
| Jun 26, 2018 | 0.75 inpenny | 2 N Anna | 08:01 local · NCEI |
| May 19, 2018 | 0.75 inpenny | Anna | 16:15 local · NCEI |
| Mar 25, 2015 | 0.75 inpenny | Jonesboro | 19:10 local · NCEI |
| Mar 25, 2015 | 1.50 inping pong ball | Ware | 19:00 local · NCEI |
| Mar 28, 2012 | 1.75 ingolf ball | Jonesboro | 17:38 local · NCEI |
| Mar 28, 2012 | 1.50 inping pong ball | 0.88 SE Anna | 17:34 local · NCEI |
Cities and towns in Union 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 |
|---|---|---|---|
| Cobden | 7 | 6 | Apr 13, 2022 |
| Dongola | 4 | 4 | Aug 18, 2001 |
| Alto Pass | 3 | 3 | Apr 27, 2011 |
Questions about hail in Union County
How often does it hail in Union County, Illinois?
55 hail reports have been logged in Union County since 1963. Over the 20 years 2006–2025 that averages 1.0 reports a year. That ranks #84 of 103 Illinois counties by number of reports.
When is hail season in Union County?
Most reports come in April, March, May. April alone accounts for 29% of all reports.
What is the largest hail recorded in Union County?
2.75 in (baseball size) on July 31, 1967. 4% of reports here were 2 inches or larger.
When did it last hail in Union County?
The most recent report in this data is from February 22, 2024 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Union County had in the last five years?
5 separate days with hail reports since November 3, 2021, adding up to 6 reports. The most recent was February 22, 2024.
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.