Hail history for Troy, Illinois
NOAA hail reports in and within about 5 km (3 miles) of Troy since 1997, with preliminary reports to November 3, 2026.
Readout · Troy
- Last hail
- Mar 14, 2025
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 6 reports
- Largest ever
- 1.75 in
- golf ball · May 30, 2004
19 reports on 15 days since 1997 · #130 of 378 Illinois places
Hail map · Troy
- 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 Troy is from March 14, 2025. A local roofer can check and document it at no cost.
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What the record says about Troy
The latest hail report in and around Troy is from March 14, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.25 in on June 30, 2023.
Over the 20 years 2006–2025, Troy logged 14 reports on 10 hail days, about 0.7 reports a year. That is 40% more than the median Illinois town on this site (0.5 a year) and ranks #130 of 378 Illinois cities and towns on this site for all-time reports. Troy accounts for 6% of the 325 reports filed in Madison 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 May 30, 2004 near 2 W Troy.
Reports held about level in 2016–2025 (7) compared with 2006–2015 (7). The busiest year was 2025, with 5 reports on 1 day. Hail here peaks in March (32% of reports); 42% fall between April and June.
Reports a year 2006–2025 average
- Troy 0.7
- Madison County 10.4
- Median Illinois town on this site 0.5
Hail days 2006–2025
- Troy 10
- Madison County 95
- Median Illinois town on this site 8
Share 2 in or larger of sized reports
- Troy 0%
- Madison 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 | 5 | 5 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Mar 14, 2025 | 5 | 1.00 in | — |
| Jun 30, 2023 | 1 | 1.25 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| May 30, 2004 | 1.75 ingolf ball | 2 W Troy | Madison | 16:10 local · NCEI |
| Jun 30, 2023 | 1.25 inhalf dollar | 1.56 NNW Black Jack | Madison | 19:40 local · NCEI |
| Mar 14, 2025 | 1.00 inquarter | 1.08 W Troy | Madison | 21:08 local · NCEI |
| Mar 14, 2025 | 1.00 inquarter | 0.54 W Troy | Madison | 21:07 local · NCEI |
| Mar 14, 2025 | 1.00 inquarter | 0.54 W Troy | Madison | 21:07 local · NCEI |
Size of every report
- Under 1 in 6 32%
- 1–2 in 13 68%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Mar 14, 2025 | 1.00 inquarter | 1.08 W Troy | Madison | 21:08 local · NCEI |
| Mar 14, 2025 | 1.00 inquarter | 0.54 W Troy | Madison | 21:07 local · NCEI |
| Mar 14, 2025 | 1.00 inquarter | 0.54 W Troy | Madison | 21:07 local · NCEI |
| Mar 14, 2025 | 1.00 inquarter | 0.69 S Troy | Madison | 21:05 local · NCEI |
| Mar 14, 2025 | 1.00 inquarter | 0.69 S Troy | Madison | 21:05 local · NCEI |
| Jun 30, 2023 | 1.25 inhalf dollar | 1.56 NNW Black Jack | Madison | 19:40 local · NCEI |
| Apr 10, 2017 | 1.00 inquarter | 0.69 W Troy | Madison | 18:06 local · NCEI |
| Sep 25, 2012 | 1.00 inquarter | 0.69 W Troy | Madison | 19:07 local · NCEI |
| Jan 17, 2012 | 0.88 innickel | 0.7 W Troy | Madison | 02:30 local · NCEI |
| Apr 19, 2011 | 1.00 inquarter | 0.67 W Troy | Madison | 19:05 local · NCEI |
| Sep 8, 2008 | 0.75 inpenny | Troy | Madison | 18:17 local · NCEI |
| May 25, 2008 | 0.75 inpenny | Troy | Madison | 21:35 local · NCEI |
Hail history near Troy
- Glen Carbon 9 km · 19
- Edwardsville 11 km · 35
- Collinsville 11 km · 31
- O'Fallon 14 km · 26
- Caseyville 16 km · 10
- Fairview Heights 17 km · 10
- Highland 19 km · 17
- Shiloh 19 km · 11
Questions about hail in Troy
How often does it hail in Troy, Illinois?
19 hail reports have been logged in and within about 5 km (3 miles) of Troy since 1997. Over the 20 years 2006–2025 that averages 0.7 reports a year. That ranks #130 of 378 Illinois places by number of reports.
When is hail season in Troy?
Most reports come in March, April, May. March alone accounts for 32% of all reports.
What is the largest hail recorded in Troy?
1.75 in (golf ball size) on May 30, 2004 near 2 W Troy. 0% of reports here were 2 inches or larger.
When did it last hail in Troy?
The most recent report in this data is from March 14, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Troy had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 6 reports. The most recent was March 14, 2025.
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.