Hail history for Alcona County, MI

Alcona County has 57 recorded hail events in the NOAA Storm Events Database — 21 of them 1″ or larger and 2 at 2″ or larger. The largest on record: 2.0″ (hen egg) on October 17, 2016.

Records 1950–present Data through April 2026 Peak month June

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 57 since 1955

1″ or larger 21 NWS severe threshold

2″ or larger 2 hen egg class and up

Largest recorded 2.0″ hen egg · October 17, 2016

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 Alcona County

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

Most recent recorded events

Latest 8 of 57 recorded events · data through April 2026
Date	Size	Comparable to
August 7, 2025	1.0″	Quarter
August 7, 2025	1.5″	Ping-pong ball
May 16, 2025	0.85″	Nickel
August 21, 2020	0.88″	Nickel
July 16, 2018	1.0″	Quarter
October 17, 2016	2.0″	Hen egg
June 20, 2016	0.88″	Nickel
August 2, 2015	1.0″	Quarter

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

From the storm reports

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

August 7, 2025 · 1.5″ (ping-pong ball)

Multiple reports of hailstones up to the size of ping pong balls around the Hubbard Lake area in northern Alcona county.

August 7, 2025 · 1.0″ (quarter)

Reports of quarter size hail in the Long Lake Woods area in central Alcona county.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
1	0	1	1	9	32	9	4

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 Alcona County

Has it ever hailed in Alcona County?

Yes — 57 hail events have been recorded for Alcona County, MI in the NOAA Storm Events Database since 1955, including 21 of 1″ (quarter size) or larger.

When did it last hail in Alcona County?

The most recent recorded hail event for Alcona County, MI is August 7, 2025, 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 Alcona County?

2.0″ (hen egg), recorded on October 17, 2016. 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.