Hail history for Delta County, MI

Delta County has 89 recorded hail events in the NOAA Storm Events Database — 41 of them 1″ or larger and 3 at 2″ or larger. The largest on record: 2.5″ (tennis ball) on May 25, 2008.

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 89 since 1981

1″ or larger 41 NWS severe threshold

2″ or larger 3 hen egg class and up

Largest recorded 2.5″ tennis ball · May 25, 2008

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 Delta County

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

Most recent recorded events

Latest 8 of 89 recorded events · data through April 2026
Date	Size	Comparable to
August 21, 2020	1.0″	Quarter
May 22, 2019	1.0″	Quarter
May 22, 2019	1.0″	Quarter
June 16, 2018	0.75″	Penny
May 4, 2018	0.88″	Nickel
August 1, 2017	1.0″	Quarter
June 17, 2017	1.75″	Golf ball
May 17, 2017	0.88″	Nickel

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

From the storm reports

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

August 21, 2020 · 1.0″ (quarter)

One inch diameter hail was observed near Bark River.

June 17, 2017 · 1.75″ (golf ball)

There was a report of golf ball hail sized two miles north of Perkins.

June 18, 2012 · 2.0″ (hen egg)

Large hail was reported on the north side of Gladstone. Most hail stones were dime to quarter sized.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	0	0	7	17	44	20	1

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 Delta County

Has it ever hailed in Delta County?

Yes — 89 hail events have been recorded for Delta County, MI in the NOAA Storm Events Database since 1981, including 41 of 1″ (quarter size) or larger.

When did it last hail in Delta County?

The most recent recorded hail event for Delta County, MI is August 21, 2020, 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 Delta County?

2.5″ (tennis ball), recorded on May 25, 2008. 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.