Hail history for Cass County, MN

Cass County has 263 recorded hail events in the NOAA Storm Events Database — 167 of them 1″ or larger and 16 at 2″ or larger. The largest on record: 3.0″ (tea cup) on July 26, 2021.

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 263 since 1959

1″ or larger 167 NWS severe threshold

2″ or larger 16 hen egg class and up

Largest recorded 3.0″ tea cup · July 26, 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 Cass County

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

Most recent recorded events

Latest 8 of 263 recorded events · data through April 2026
Date	Size	Comparable to
September 12, 2025	1.0″	Quarter
September 12, 2025	1.0″	Quarter
July 23, 2025	0.75″	Penny
June 20, 2025	1.0″	Quarter
June 16, 2025	1.25″	Half dollar
June 16, 2025	1.0″	Quarter
April 17, 2025	0.75″	Penny
August 3, 2024	0.75″	Penny

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

From the storm reports

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

September 12, 2025 · 1.0″ (quarter)

Hail was accumulating and looked like snow.

August 12, 2015 · 2.0″ (hen egg)

The spotter found the hail approximately one hour after the storm passed.

June 17, 2010 · 2.75″ (baseball)

Most of the hail that fell was golf ball size. A few larger stones up to baseball size were observed. The hail was reported at the new Leech Lake Campground. There was hail damage to vehicles, awnings, and buildings in Bena.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
1	2	5	7	31	71	69	77

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 Cass County

Has it ever hailed in Cass County?

Yes — 263 hail events have been recorded for Cass County, MN in the NOAA Storm Events Database since 1959, including 167 of 1″ (quarter size) or larger.

When did it last hail in Cass County?

The most recent recorded hail event for Cass County, MN is September 12, 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 Cass County?

3.0″ (tea cup), recorded on July 26, 2021. 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.