Hail history for Troy, Michigan
NOAA hail reports in and within about 5 km (3 miles) of Troy since 1979, with preliminary reports to November 3, 2026.
Readout · Troy
- Last hail
- May 19, 2024
- 1.00 in, quarter size
- Hail days, last 5 years
- 2
- since Nov 3, 2021 · 2 reports
- Largest ever
- 1.75 in
- golf ball · Jun 20, 1979
16 reports on 16 days since 1979 · #50 of 130 Michigan 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
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Send a request to Moxisync Labs for review. The latest hail report in Troy is from May 19, 2024. We’re building local roofer coverage. Submitting a request does not guarantee a quote or book an inspection.
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What the record says about Troy
The latest hail report in and around Troy is from May 19, 2024, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.00 in on May 19, 2024.
Over the 20 years 2006–2025, Troy logged 8 reports on 8 hail days, about 0.4 reports a year. That is 14% more than the median Michigan town on this site (0.3 a year) and ranks #50 of 130 Michigan cities and towns on this site for all-time reports. Troy accounts for 7% of the 242 reports filed in Oakland County.
0% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median Michigan town on this site. The largest hail on record here is 1.75 in (golf ball) on June 20, 1979.
Reports were down 67% in 2016–2025 (2) compared with 2006–2015 (6). The busiest year was 2010, with 2 reports on 2 days. Hail here peaks in May (25% of reports); 50% fall between April and June.
Reports a year 2006–2025 average
- Troy 0.4
- Oakland County 7.0
- Median Michigan town on this site 0.3
Hail days 2006–2025
- Troy 8
- Oakland County 55
- Median Michigan town on this site 5
Share 2 in or larger of sized reports
- Troy 0%
- Oakland County 2%
- Median Michigan town on this site 0%
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 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 19, 2024 | 1 | 1.00 in | — |
| Apr 5, 2023 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jun 20, 1979 | 1.75 ingolf ball | — | Oakland | 14:10 local · NCEI |
| May 19, 2024 | 1.00 inquarter | 1.23 SW Brooklands | Oakland | 17:30 local · NCEI |
| Apr 5, 2023 | 1.00 inquarter | 0.51 W Troy | Oakland | 02:03 local · NCEI |
| Aug 15, 2010 | 1.00 inquarter | 1.23 NW Trot Big Beaver Arpt | Oakland | 13:53 local · NCEI |
| Apr 6, 2010 | 1.00 inquarter | 1.23 NW Trot Big Beaver Arpt | Oakland | 11:32 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 11 69%
- 1–2 in 5 31%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| May 19, 2024 | 1.00 inquarter | 1.23 SW Brooklands | Oakland | 17:30 local · NCEI |
| Apr 5, 2023 | 1.00 inquarter | 0.51 W Troy | Oakland | 02:03 local · NCEI |
| Aug 12, 2014 | 0.75 inpenny | 2.06 WSW Troy | Oakland | 14:04 local · NCEI |
| Aug 24, 2011 | 0.75 inpenny | 1.23 SE Trot Big Beaver Arpt | Oakland | 19:17 local · NCEI |
| Aug 15, 2010 | 1.00 inquarter | 1.23 NW Trot Big Beaver Arpt | Oakland | 13:53 local · NCEI |
| Apr 6, 2010 | 1.00 inquarter | 1.23 NW Trot Big Beaver Arpt | Oakland | 11:32 local · NCEI |
| Oct 26, 2008 | 0.75 inpenny | 1.23 NW Trot Big Beaver Arpt | Oakland | 13:20 local · NCEI |
| Mar 31, 2006 | 0.75 inpenny | Troy | Oakland | 19:30 local · NCEI |
| May 13, 2005 | 0.88 innickel | Troy | Oakland | 18:13 local · NCEI |
| May 5, 2003 | 0.88 innickel | Troy | Oakland | 18:50 local · NCEI |
| Jul 4, 2001 | 0.75 inpenny | Troy | Oakland | 14:15 local · NCEI |
| Jun 29, 2000 | 0.75 inpenny | Troy | Oakland | 18:42 local · NCEI |
Hail history near Troy
- Sterling Heights 9 km · 36
- Warren 14 km · 33
- Southfield 15 km · 12
- Mount Clemens 22 km · 16
- Detroit 23 km · 48
- St. Clair Shores 23 km · 15
- Oxford 28 km · 12
- Village of Clarkston 28 km · 11
Questions about hail in Troy
How often does it hail in Troy, Michigan?
16 hail reports have been logged in and within about 5 km (3 miles) of Troy since 1979. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #50 of 130 Michigan places by number of reports.
When is hail season in Troy?
Most reports come in May, August, April. May alone accounts for 25% of all reports.
What is the largest hail recorded in Troy?
1.75 in (golf ball size) on June 20, 1979. 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 May 19, 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 Troy had in the last five years?
2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was May 19, 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.