Hail History

Hail history for Shiawassee County, Michigan

Every NOAA hail report filed in Shiawassee County since 1967, with preliminary National Weather Service reports to November 3, 2026.

Readout · Shiawassee County

Last hail
Aug 11, 2023
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 12, 2021

55 reports on 43 days since 1967 · #48 of 84 Michigan counties

Hail map · Shiawassee County

Owosso 20 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
50 most recent reports with a location. Dot size and colour follow hail size. Open street map

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What the record says about Shiawassee County

The latest hail report in Shiawassee County is from August 11, 2023, 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 August 11, 2023.

Over the 20 years 2006–2025, Shiawassee County logged 22 reports on 14 hail days, about 1.1 reports a year. That is 12% less than the median Michigan county (1.3 a year) and ranks #48 of 84 Michigan counties for all-time reports. Shiawassee County holds 1% of all 6,085 hail reports in Michigan.

0% 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 1.75 in (golf ball) on June 12, 2021 near 0.86 SE Laingsburg.

Reports were down 71% in 2016–2025 (5) compared with 2006–2015 (17). The busiest year was 2007, with 8 reports on 3 days. Hail here peaks in June (35% of reports); 60% fall between April and June.

Reports a year 2006–2025 average

  • Shiawassee County 1.1
  • Median Michigan county 1.3

Hail days 2006–2025

  • Shiawassee County 14
  • Median Michigan county 17

Share 2 in or larger of sized reports

  • Shiawassee County 0%
  • Median Michigan county 4%

Hail over time

02468 1967: 1 reports, largest 1.50 in 1970: 2 reports, largest 1.50 in 1970 1980: 1 reports, largest 1.00 in 1980 1987: 1 reports, largest 1.75 in 1990: 1 reports, largest 0.75 in 1990 1991: 1 reports, largest 1.75 in 1992: 1 reports, largest 0.75 in 1994: 5 reports, largest 1.75 in 1996: 2 reports, largest 1.00 in 1997: 1 reports, largest 1.75 in 1998: 1 reports, largest 0.75 in 1999: 1 reports, largest 0.75 in 2000: 2 reports, largest 1.00 in 2000 2001: 1 reports, largest 1.00 in 2002: 3 reports, largest 1.75 in 2003: 2 reports, largest 0.88 in 2004: 6 reports, largest 1.00 in 2005: 1 reports, largest 0.75 in 2006: 2 reports, largest 1.75 in 2007: 8 reports, largest 1.75 in 2008: 4 reports, largest 1.75 in 2010 2011: 2 reports, largest 0.88 in 2013: 1 reports, largest 0.75 in 2020 2021: 3 reports, largest 1.75 in 2022: 1 reports, largest 0.75 in 2023: 1 reports, largest 1.00 in
Reports per year, 1967–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
05101520 January: 1 reports (2%) Jan Feb March: 1 reports (2%) Mar April: 6 reports (11%) Apr May: 8 reports (15%) May June: 19 reports (35%) Jun July: 13 reports (24%) Jul August: 4 reports (7%) Aug September: 2 reports (4%) Sep Oct November: 1 reports (2%) Nov Dec
All 55 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 1 1
2022 1 1
2021 3 3
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Aug 11, 2023 1 1.00 in —
Aug 3, 2022 1 0.75 in —

Largest hail on record

Largest hail reports in Shiawassee County
Date Size Location Damage Time · source
Jun 12, 2021 1.75 ingolf ball 0.86 SE Laingsburg — 17:35 local · NCEI
Apr 11, 2008 1.75 ingolf ball 2.89 SW New Lothrop — 17:14 local · NCEI
Jul 26, 2007 1.75 ingolf ball Durand $2.8 million 18:10 local · NCEI
Apr 22, 2006 1.75 ingolf ball Bancroft — 20:30 local · NCEI
Jun 25, 2002 1.75 ingolf ball Owosso — 17:46 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Shiawassee County
Date Size Location Time · source
Aug 11, 2023 1.00 inquarter 2.62 ENE Juddville 19:04 local · NCEI
Aug 3, 2022 0.75 inpenny 0.86 NW Owosso 14:50 local · NCEI
Jun 12, 2021 1.25 inhalf dollar 0.51 W Perry 17:45 local · NCEI
Jun 12, 2021 1.75 ingolf ball 0.86 SE Laingsburg 17:35 local · NCEI
Jun 12, 2021 1.50 inping pong ball 0.69 S Laingsburg 17:33 local · NCEI
Nov 17, 2013 0.75 inpenny 1.38 N Perry 16:55 local · NCEI
Jun 22, 2011 0.88 innickel 0.69 S Laingsburg 13:20 local · NCEI
May 13, 2011 0.88 innickel 2.07 N Byron 19:55 local · NCEI
Jun 8, 2008 0.88 innickel 3.61 E Bennington 15:26 local · NCEI
Jun 6, 2008 0.75 inpenny 0.5 E Henderson 17:40 local · NCEI
Apr 11, 2008 1.75 ingolf ball 2.89 SW New Lothrop 17:14 local · NCEI
Apr 11, 2008 0.88 innickel 2.81 S New Haven 17:00 local · NCEI

Cities and towns in Shiawassee County

PlaceReportsLargest
Owosso101.75 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.

PlaceReportsHail daysLatest
Perry66Jun 12, 2021
Henderson55Jun 6, 2008
Laingsburg43Jun 12, 2021
Corunna33Mar 20, 2003
Durand33Jul 26, 2007
Lennon32Jul 26, 2007
New Lothrop22Apr 11, 2008
Shaftsburg22Jun 2, 2007
Bancroft11Apr 22, 2006
Byron11May 13, 2011
Morrice11Aug 21, 2003

Questions about hail in Shiawassee County

How often does it hail in Shiawassee County, Michigan?

55 hail reports have been logged in Shiawassee County since 1967. Over the 20 years 2006–2025 that averages 1.1 reports a year. That ranks #48 of 84 Michigan counties by number of reports.

When is hail season in Shiawassee County?

Most reports come in June, July, May. June alone accounts for 35% of all reports.

What is the largest hail recorded in Shiawassee County?

1.75 in (golf ball size) on June 12, 2021 near 0.86 SE Laingsburg. 0% of reports here were 2 inches or larger.

When did it last hail in Shiawassee County?

The most recent report in this data is from August 11, 2023 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Shiawassee County 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 August 11, 2023.

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.