Hail history for Brown County, Illinois
Every NOAA hail report filed in Brown County since 1974, with preliminary National Weather Service reports to November 3, 2026.
Readout · Brown County
- Last hail
- Jun 25, 2024
- 1.00 in, quarter size
- Hail days, last 5 years
- 5
- since Nov 3, 2021 · 5 reports
- Largest ever
- 2.75 in
- baseball · Jul 9, 2021
52 reports on 42 days since 1974 · #90 of 103 Illinois counties
Hail map · Brown County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Brown County
The latest hail report in Brown County is from June 25, 2024, 1.00 in (quarter size). Since November 3, 2021 there have been 5 separate hail days; the biggest stones in that time were 2.00 in on March 31, 2023.
Over the 20 years 2006–2025, Brown County logged 25 reports on 24 hail days, about 1.3 reports a year. That is about half the median Illinois county (2.6 a year) and ranks #90 of 103 Illinois counties for all-time reports. Brown County holds 0% of all 12,418 hail reports in Illinois.
6% 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 9, 2021 near 1.02 NNW Mt Sterling.
Reports were down 33% in 2016–2025 (10) compared with 2006–2015 (15). The busiest year was 2011, with 5 reports on 4 days. Hail here peaks in May (27% of reports); 65% fall between April and June.
Reports a year 2006–2025 average
- Brown County 1.3
- Median Illinois county 2.6
Hail days 2006–2025
- Brown County 24
- Median Illinois county 34
Share 2 in or larger of sized reports
- Brown County 6%
- 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 | 2 | 2 | |||||||||||
| 2023 | 1 | 1 | 1 | 3 | |||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 1 | 1 | 2 | ||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 1 | 1 | 2 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jun 25, 2024 | 1 | 1.00 in | — |
| Jun 13, 2024 | 1 | 1.00 in | — |
| Jun 24, 2023 | 1 | 1.00 in | — |
| May 7, 2023 | 1 | 1.75 in | — |
| Mar 31, 2023 | 1 | 2.00 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jul 9, 2021 | 2.75 inbaseball | 1.02 NNW Mt Sterling | $100K | 19:48 local · NCEI |
| May 12, 1998 | 2.75 inbaseball | 3 S Hersman | — | 17:05 local · NCEI |
| Mar 31, 2023 | 2.00 inhen egg | Mt Sterling | — | 15:50 local · NCEI |
| May 7, 2023 | 1.75 ingolf ball | 3.17 NE Hersman | — | 18:25 local · NCEI |
| Jun 17, 2017 | 1.75 ingolf ball | 0.73 WNW Hersman | — | 20:45 local · NCEI |
Size of every report
- Under 1 in 19 37%
- 1–2 in 30 58%
- 2 in + 3 6%
Most recent reports
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jun 25, 2024 | 1.00 inquarter | 0.69 N Timewell | — | 13:30 local · NCEI |
| Jun 13, 2024 | 1.00 inquarter | 0.53 W Hersman | — | 17:41 local · NCEI |
| Jun 24, 2023 | 1.00 inquarter | 5.23 SW Gilbirds | — | 20:30 local · NCEI |
| May 7, 2023 | 1.75 ingolf ball | 3.17 NE Hersman | — | 18:25 local · NCEI |
| Mar 31, 2023 | 2.00 inhen egg | Mt Sterling | — | 15:50 local · NCEI |
| Jul 9, 2021 | 2.75 inbaseball | 1.02 NNW Mt Sterling | $100K | 19:48 local · NCEI |
| May 3, 2021 | 1.50 inping pong ball | 2.34 W Buckhorn | — | 15:06 local · NCEI |
| Dec 1, 2018 | 1.00 inquarter | 0.48 NW Versailles | — | 15:00 local · NCEI |
| Jun 17, 2017 | 1.75 ingolf ball | 0.73 WNW Hersman | — | 20:45 local · NCEI |
| Feb 28, 2017 | 1.00 inquarter | 0.52 NNE Mt Sterling | — | 21:25 local · NCEI |
| Jun 21, 2014 | 1.00 inquarter | 0.81 SSE Versailles | — | 15:45 local · NCEI |
| May 21, 2014 | 1.00 inquarter | 2 W Buckhorn | — | 19:30 local · NCEI |
Cities and towns in Brown County
| Place | Reports | Largest |
|---|---|---|
| Mount Sterling | 24 | 2.75 in |
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 |
|---|---|---|---|
| Versailles | 7 | 7 | Dec 1, 2018 |
| Mound Station | 3 | 3 | Jun 25, 2024 |
| Ripley | 2 | 2 | Jun 22, 2008 |
Questions about hail in Brown County
How often does it hail in Brown County, Illinois?
52 hail reports have been logged in Brown County since 1974. Over the 20 years 2006–2025 that averages 1.3 reports a year. That ranks #90 of 103 Illinois counties by number of reports.
When is hail season in Brown County?
Most reports come in May, June, April. May alone accounts for 27% of all reports.
What is the largest hail recorded in Brown County?
2.75 in (baseball size) on July 9, 2021 near 1.02 NNW Mt Sterling. 6% of reports here were 2 inches or larger.
When did it last hail in Brown County?
The most recent report in this data is from June 25, 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 Brown County had in the last five years?
5 separate days with hail reports since November 3, 2021, adding up to 5 reports. The most recent was June 25, 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.