Hail History

Hail history for Ann Arbor, Michigan

NOAA hail reports in and within about 5 km (3 miles) of Ann Arbor since 1957, with preliminary reports to November 3, 2026.

Readout · Ann Arbor

Last hail
Mar 6, 2026
0.88 in, nickel size
Hail days, last 5 years
5
since Nov 3, 2021 · 8 reports
Largest ever
2.00 in
hen egg · Mar 15, 2012

73 reports on 43 days since 1957 · #1 of 130 Michigan places

Hail map · Ann Arbor

Ann Arbor Ypsilanti Saline Dexter Whitmore Lake Milan Belleville Chelsea 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
73 most recent reports with a location; Washtenaw County is shaded. Open street map

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What the record says about Ann Arbor

The latest hail report in and around Ann Arbor is from March 6, 2026, 0.88 in (nickel size). Since November 3, 2021 there have been 5 separate hail days; the biggest stones in that time were 1.75 in on June 15, 2023.

Over the 20 years 2006–2025, Ann Arbor logged 47 reports on 22 hail days, about 2.4 reports a year. That is 6.7 times the median Michigan town on this site (0.3 a year) and ranks #1 of 130 Michigan cities and towns on this site for all-time reports. Ann Arbor accounts for 28% of the 262 reports filed in Washtenaw County.

1% 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 2.00 in (hen egg) on March 15, 2012 near 2.07 S Ann Arbor.

Reports were down 48% in 2016–2025 (16) compared with 2006–2015 (31). The busiest year was 2006, with 14 reports on 6 days. Hail here peaks in May (25% of reports); 55% fall between April and June.

Reports a year 2006–2025 average

  • Ann Arbor 2.4
  • Washtenaw County 7.0
  • Median Michigan town on this site 0.3

Hail days 2006–2025

  • Ann Arbor 22
  • Washtenaw County 50
  • Median Michigan town on this site 5

Share 2 in or larger of sized reports

  • Ann Arbor 1%
  • Washtenaw County 3%
  • Median Michigan town on this site 0%

Hail over time

051015 1957: 1 reports, largest 0.75 in 1960 1970 1974: 1 reports, largest 0.75 in 1980: 2 reports, largest 1.00 in 1980 1983: 1 reports, largest 1.50 in 1986: 1 reports, largest 0.75 in 1987: 1 reports, largest 1.75 in 1990 1991: 1 reports, largest 1.00 in 1997: 1 reports, largest 1.00 in 1999: 1 reports, largest 0.88 in 2000: 4 reports, largest 0.75 in 2000 2001: 2 reports, largest 1.75 in 2002: 1 reports, largest 1.00 in 2003: 3 reports, largest 1.75 in 2004: 4 reports, largest 1.00 in 2005: 1 reports, largest 0.75 in 2006: 14 reports, largest 1.75 in 2007: 5 reports, largest 1.50 in 2010 2011: 2 reports, largest 1.00 in 2012: 8 reports, largest 2.00 in 2013: 1 reports, largest 1.25 in 2014: 1 reports, largest 1.00 in 2017: 4 reports, largest 1.00 in 2018: 2 reports, largest 1.00 in 2020: 2 reports, largest 1.50 in 2020 2021: 1 reports, largest 1.00 in 2023: 6 reports, largest 1.75 in 2025: 1 reports, largest 1.00 in 2026: 1 reports, largest 0.88 in
Reports per year, 1957–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
05101520 Jan February: 2 reports (3%) Feb March: 12 reports (16%) Mar April: 6 reports (8%) Apr May: 18 reports (25%) May June: 16 reports (22%) Jun July: 14 reports (19%) Jul August: 3 reports (4%) Aug September: 2 reports (3%) Sep Oct Nov Dec
All 73 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 1 1
2025 1 1
2024 0
2023 24 6
2022 0
2021 1 1
2020 2 2
2019 0
2018 2 2
2017 22 4

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Mar 6, 2026 1 0.88 in —
Aug 16, 2025 1 1.00 in —
Jul 20, 2023 2 1.50 in —
Jul 14, 2023 2 1.00 in —
Jun 15, 2023 2 1.75 in —

Largest hail on record

Largest hail reports in Ann Arbor
Date Size Location County Damage Time · source
Mar 15, 2012 2.00 inhen egg 2.07 S Ann Arbor Washtenaw — 17:20 local · NCEI
Jun 15, 2023 1.75 ingolf ball 3.64 E Delhi Mills Washtenaw $500K 16:24 local · NCEI
Jun 27, 2006 1.75 ingolf ball 4 S Ann Arbor Washtenaw — 14:07 local · NCEI
May 5, 2003 1.75 ingolf ball 2 N Ann Arbor Washtenaw — 18:15 local · NCEI
Apr 9, 2001 1.75 ingolf ball Ann Arbor Washtenaw — 09:30 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Ann Arbor
Date Size Location County Damage Time · source
Mar 6, 2026 0.88 innickel 1.02 W Ann Arbor Washtenaw — 20:26 local · NCEI
Aug 16, 2025 1.00 inquarter 1.54 E Pittsfield Washtenaw — 16:34 local · NCEI
Jul 20, 2023 1.50 inping pong ball Ann Arbor Washtenaw — 15:13 local · NCEI
Jul 20, 2023 1.00 inquarter 2.47 SE Ann Arbor Young Arpt Washtenaw — 15:07 local · NCEI
Jul 14, 2023 0.75 inpenny 0.69 N (Arb)ann Arbor Muni Washtenaw — 14:47 local · NCEI
Jul 14, 2023 1.00 inquarter Ann Arbor Arpt Washtenaw — 14:46 local · NCEI
Jun 15, 2023 1.00 inquarter 0.86 NW Ann Arbor Washtenaw — 16:30 local · NCEI
Jun 15, 2023 1.75 ingolf ball 3.64 E Delhi Mills Washtenaw $500K 16:24 local · NCEI
Jun 12, 2021 1.00 inquarter 2.65 WNW Ann Arbor Washtenaw — 19:45 local · NCEI
Apr 7, 2020 1.50 inping pong ball 1.72 SE Ann Arbor Young Arpt Washtenaw — 20:25 local · NCEI
Apr 7, 2020 1.00 inquarter 1.68 ESE Ann Arbor Young Arpt Washtenaw — 20:20 local · NCEI
Jul 26, 2018 0.75 inpenny 0.51 W Pittsfield Washtenaw — 12:18 local · NCEI

Hail history near Ann Arbor

Questions about hail in Ann Arbor

How often does it hail in Ann Arbor, Michigan?

73 hail reports have been logged in and within about 5 km (3 miles) of Ann Arbor since 1957. Over the 20 years 2006–2025 that averages 2.4 reports a year. That ranks #1 of 130 Michigan places by number of reports.

When is hail season in Ann Arbor?

Most reports come in May, June, July. May alone accounts for 25% of all reports.

What is the largest hail recorded in Ann Arbor?

2.00 in (hen egg size) on March 15, 2012 near 2.07 S Ann Arbor. 1% of reports here were 2 inches or larger.

When did it last hail in Ann Arbor?

The most recent report in this data is from March 6, 2026 (0.88 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Ann Arbor had in the last five years?

5 separate days with hail reports since November 3, 2021, adding up to 8 reports. The most recent was March 6, 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.