Hail history for Gratiot County, MI

Gratiot County has 42 recorded hail events in the NOAA Storm Events Database — 18 of them 1″ or larger and 1 at 2″ or larger. The largest on record: 2.5″ (tennis ball) on September 12, 2021.

Records 1950–present Data through April 2026 Peak month July

Core sample · every recorded event, 1955–2026

Mark size = measured hail diameter; slivers are events with no recorded size. Amber ≥2″, red ≥2.75″ (baseball class). Denser recent decades partly reflect better reporting, not only more storms.

Recorded events 42 since 1977

1″ or larger 18 NWS severe threshold

2″ or larger 1 hen egg class and up

Largest recorded 2.5″ tennis ball · September 12, 2021

Read the record honestly: Storm Events contains what was reported to the National Weather Service. Sparse or rural counties under-report, and coverage improved sharply after the mid-1990s — a quiet-looking stretch is not proof nothing fell.

When it hails in Gratiot County

Recorded events by month, 1950–present. The amber bar marks Gratiot County's peak: July.

Most recent recorded events

Latest 8 of 42 recorded events · data through April 2026
Date	Size	Comparable to
March 10, 2026	1.0″	Quarter
April 11, 2022	1.0″	Quarter
September 12, 2021	2.5″	Tennis ball
September 7, 2021	1.0″	Quarter
August 28, 2020	1.75″	Golf ball
July 27, 2014	1.0″	Quarter
May 7, 2014	1.0″	Quarter
July 27, 2012	1.75″	Golf ball

Looking for a specific storm? Use the did-it-hail date lookup for Gratiot County.

From the storm reports

Narratives as filed with the NOAA Storm Events Database (public records; lightly trimmed for length).

April 11, 2022 · 1.0″ (quarter)

An isolated severe storm produced up to one inch diameter hail near Alma.

September 12, 2021 · 2.5″ (tennis ball)

Hail up to two and a half inches in diameter was reported near Sickles that dented vehicles and caused significant damage. Some wind damage was reported as well.

August 28, 2020 · 1.75″ (golf ball)

Golf ball sized hail was reported in Ashley.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	0	1	7	5	19	5	5

The climb across decades is largely a reporting story: spotter networks, radar, and digital filing pulled far more storms into the record after the 1990s.

Questions about hail in Gratiot County

Has it ever hailed in Gratiot County?

Yes — 42 hail events have been recorded for Gratiot County, MI in the NOAA Storm Events Database since 1977, including 18 of 1″ (quarter size) or larger.

When did it last hail in Gratiot County?

The most recent recorded hail event for Gratiot County, MI is March 10, 2026, with 1.0″ (quarter) hail. The database is currently updated through April 2026, so a storm from the last few weeks may not appear yet. To check a specific day, use the did-it-hail date lookup.

What is the largest hail ever recorded in Gratiot County?

2.5″ (tennis ball), recorded on September 12, 2021. Hail that size meets or exceeds the National Weather Service severe threshold. See how big that really is on the actual-size hail chart.

Does a recorded hail event mean my roof was damaged?

No. This page reports storm records, not damage. Hail size and damage vary block by block within a county, and only an inspection can establish what happened to a specific roof. If you suspect damage, talk to your insurer or a licensed roofer — they can pull the same NOAA records for your claim.

More Michigan hail history

All 83 Michigan counties, ranked by recorded hail →

Source: NOAA/NCEI Storm Events Database, public domain, updated monthly by NCEI — this site's copy runs through April 2026. HailHistory reports records; it does not give insurance advice or assess damage.