Hail history for Aitkin County, MN

Aitkin County has 139 recorded hail events in the NOAA Storm Events Database — 91 of them 1″ or larger and 14 at 2″ or larger. The largest on record: 3.25″ (tea cup) on August 31, 2018.

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 139 since 1972

1″ or larger 91 NWS severe threshold

2″ or larger 14 hen egg class and up

Largest recorded 3.25″ tea cup · August 31, 2018

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 Aitkin County

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

Most recent recorded events

Latest 8 of 139 recorded events · data through April 2026
Date	Size	Comparable to
July 27, 2025	1.0″	Quarter
July 27, 2025	1.0″	Quarter
May 15, 2025	1.5″	Ping-pong ball
April 17, 2025	1.75″	Golf ball
March 28, 2025	0.75″	Penny
June 12, 2024	1.0″	Quarter
June 12, 2024	1.0″	Quarter
June 12, 2024	1.25″	Half dollar

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

From the storm reports

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

August 31, 2018 · 1.75″ (golf ball)

The hail shattered the back window of a vehicle.

July 26, 2014 · 2.0″ (hen egg)

The hail caused significant damage to siding, gutters, crops, and apple trees.

August 27, 2007 · 2.75″ (baseball)

Baseball-sized hail fell at Big Sandy Lake.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	0	4	5	8	23	57	42

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 Aitkin County

Has it ever hailed in Aitkin County?

Yes — 139 hail events have been recorded for Aitkin County, MN in the NOAA Storm Events Database since 1972, including 91 of 1″ (quarter size) or larger.

When did it last hail in Aitkin County?

The most recent recorded hail event for Aitkin County, MN is July 27, 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 Aitkin County?

3.25″ (tea cup), recorded on August 31, 2018. Hail that size is destructive-class and typically damages roofs, vehicles, and siding. 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 Minnesota hail history

All 87 Minnesota 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.