Hail history for Washtenaw County, Michigan
Every NOAA hail report filed in Washtenaw County since 1957, with preliminary National Weather Service reports to November 3, 2026.
Readout · Washtenaw County
- Last hail
- Jul 27, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 8
- since Nov 3, 2021 · 21 reports
- Largest ever
- 3.00 in
- teacup · May 9, 2000
262 reports on 116 days since 1957 · #1 of 84 Michigan counties
Hail map · Washtenaw 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 Washtenaw County
The latest hail report in Washtenaw County is from July 27, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 8 separate hail days; the biggest stones in that time were 2.00 in on July 20, 2023.
Over the 20 years 2006–2025, Washtenaw County logged 141 reports on 50 hail days, about 7.0 reports a year. That is 5.6 times the median Michigan county (1.3 a year) and ranks #1 of 84 Michigan counties for all-time reports. Washtenaw County holds 4% of all 6,085 hail reports in Michigan.
3% of reports with a size were 2 inches (hen egg) or larger, against 4% for the median Michigan county. The largest hail on record here is 3.00 in (teacup) on May 9, 2000 near Saline.
Reports were down 50% in 2016–2025 (47) compared with 2006–2015 (94). The busiest year was 2006, with 21 reports on 6 days. Hail here peaks in May (27% of reports); 57% fall between April and June.
Reports a year 2006–2025 average
- Washtenaw County 7.0
- Median Michigan county 1.3
Hail days 2006–2025
- Washtenaw County 50
- Median Michigan county 17
Share 2 in or larger of sized reports
- Washtenaw County 3%
- Median Michigan county 4%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | 2 | ||||||||||
| 2025 | 1 | 1 | |||||||||||
| 2024 | 1 | 1 | 2 | ||||||||||
| 2023 | 10 | 6 | 16 | ||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 2 | 1 | 3 | ||||||||||
| 2020 | 4 | 4 | |||||||||||
| 2019 | 3 | 1 | 4 | ||||||||||
| 2018 | 4 | 4 | |||||||||||
| 2017 | 2 | 1 | 1 | 2 | 2 | 8 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 27, 2026 | 1 | 1.00 in | — |
| Mar 6, 2026 | 1 | 0.88 in | — |
| Aug 16, 2025 | 1 | 1.00 in | — |
| May 19, 2024 | 1 | 0.88 in | — |
| Feb 28, 2024 | 1 | 1.00 in | — |
| Jul 20, 2023 | 3 | 2.00 in | — |
| Jul 14, 2023 | 3 | 1.25 in | — |
| Jun 15, 2023 | 10 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| May 9, 2000 | 3.00 inteacup | Saline | 19:06 local · NCEI |
| Mar 15, 2012 | 2.75 inbaseball | 0.86 SW Dexter | 16:53 local · NCEI |
| Apr 17, 1963 | 2.75 inbaseball | — | 18:25 local · NCEI |
| Jul 20, 2023 | 2.00 inhen egg | 0.69 N Ypsilanti | 15:04 local · NCEI |
| May 27, 2015 | 2.00 inhen egg | 2.58 NW Hudson Mills | 13:55 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 132 50%
- 1–2 in 122 47%
- 2 in + 8 3%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 27, 2026 | 1.00 inquarter | 0.51 W Manchester | 23:58 local · NCEI |
| Mar 6, 2026 | 0.88 innickel | 1.02 W Ann Arbor | 20:26 local · NCEI |
| Aug 16, 2025 | 1.00 inquarter | 1.54 E Pittsfield | 16:34 local · NCEI |
| May 19, 2024 | 0.88 innickel | 1.24 NW Saline | 17:22 local · NCEI |
| Feb 28, 2024 | 1.00 inquarter | 0.86 WSW Eastlawn | 00:01 local · NCEI |
| Jul 20, 2023 | 1.50 inping pong ball | Ann Arbor | 15:13 local · NCEI |
| Jul 20, 2023 | 1.00 inquarter | 2.47 SE Ann Arbor Young Arpt | 15:07 local · NCEI |
| Jul 20, 2023 | 2.00 inhen egg | 0.69 N Ypsilanti | 15:04 local · NCEI |
| Jul 14, 2023 | 1.25 inhalf dollar | 0.69 N Whittaker | 15:06 local · NCEI |
| Jul 14, 2023 | 0.75 inpenny | 0.69 N (Arb)ann Arbor Muni | 14:47 local · NCEI |
| Jul 14, 2023 | 1.00 inquarter | Ann Arbor Arpt | 14:46 local · NCEI |
| Jun 15, 2023 | 1.00 inquarter | 0.86 SW Eastlawn | 17:17 local · NCEI |
Cities and towns in Washtenaw County
Questions about hail in Washtenaw County
How often does it hail in Washtenaw County, Michigan?
262 hail reports have been logged in Washtenaw County since 1957. Over the 20 years 2006–2025 that averages 7.0 reports a year. That ranks #1 of 84 Michigan counties by number of reports.
When is hail season in Washtenaw County?
Most reports come in May, July, June. May alone accounts for 27% of all reports.
What is the largest hail recorded in Washtenaw County?
3.00 in (teacup size) on May 9, 2000 near Saline. 3% of reports here were 2 inches or larger.
When did it last hail in Washtenaw County?
The most recent report in this data is from July 27, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Washtenaw County had in the last five years?
8 separate days with hail reports since November 3, 2021, adding up to 21 reports. The most recent was July 27, 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.