Hail history for Mille Lacs County, MN

Mille Lacs County has 106 recorded hail events in the NOAA Storm Events Database — 73 of them 1″ or larger and 14 at 2″ or larger. The largest on record: 3.2″ (tea cup) on May 10, 2011.

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 106 since 1974

1″ or larger 73 NWS severe threshold

2″ or larger 14 hen egg class and up

Largest recorded 3.2″ tea cup · May 10, 2011

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 Mille Lacs County

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

Most recent recorded events

Latest 8 of 106 recorded events · data through April 2026
Date	Size	Comparable to
April 17, 2025	1.0″	Quarter
May 12, 2022	1.25″	Half dollar
May 12, 2022	1.0″	Quarter
May 11, 2022	1.0″	Quarter
May 9, 2022	1.25″	Half dollar
September 16, 2021	1.0″	Quarter
September 16, 2021	1.0″	Quarter
August 28, 2021	1.0″	Quarter

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

From the storm reports

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

April 17, 2025 · 1.0″ (quarter)

A few quarter size hailstones mixed in with mainly pea size hail.

May 10, 2011 · 3.2″ (tea cup)

Hail began as pea size at 1925 and gradually increased to three inches in diameter by 1940. It exceeded one inch in diameter for ten minutes. Roofs and vehicles were damaged. Hail was measured and photographed.

September 25, 1998 · 3.0″ (tea cup)

Roof damage to multiple farmsteads. Broken windows. At least 5 automobiles totalled. Many vehicles with hail damage.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	0	3	8	21	34	31	9

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 Mille Lacs County

Has it ever hailed in Mille Lacs County?

Yes — 106 hail events have been recorded for Mille Lacs County, MN in the NOAA Storm Events Database since 1974, including 73 of 1″ (quarter size) or larger.

When did it last hail in Mille Lacs County?

The most recent recorded hail event for Mille Lacs County, MN is April 17, 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 Mille Lacs County?

3.2″ (tea cup), recorded on May 10, 2011. 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.