Hail history for Cass County, ND

Cass County has 494 recorded hail events in the NOAA Storm Events Database — 306 of them 1″ or larger and 27 at 2″ or larger. The largest on record: 4.5″ (grapefruit) on July 17, 2001.

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 494 since 1959

1″ or larger 306 NWS severe threshold

2″ or larger 27 hen egg class and up

Largest recorded 4.5″ grapefruit · July 17, 2001

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: July.

Most recent recorded events

Latest 8 of 494 recorded events · data through April 2026
Date	Size	Comparable to
June 28, 2025	1.0″	Quarter
June 28, 2025	1.0″	Quarter
June 28, 2025	1.0″	Quarter
June 28, 2025	1.0″	Quarter
June 20, 2025	1.0″	Quarter
June 16, 2025	1.0″	Quarter
June 16, 2025	1.0″	Quarter
June 16, 2025	1.0″	Quarter

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).

June 28, 2025 · 1.0″ (quarter)

Picture shared via social media.

September 21, 2007 · 3.5″ (softball)

Baseball sized hail fell at the intersection of 19th Street and 33rd Avenue South. The large hail damaged many vehicles and homes.

July 17, 2001 · 4.5″ (grapefruit)

The ground was white with hail. The hail killed birds and damaged several vehicles and buildings.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
1	10	26	55	68	163	125	46

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 — 494 hail events have been recorded for Cass County, ND in the NOAA Storm Events Database since 1959, including 306 of 1″ (quarter size) or larger.

When did it last hail in Cass County?

The most recent recorded hail event for Cass County, ND is June 28, 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?

4.5″ (grapefruit), recorded on July 17, 2001. 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 North Dakota hail history

All 53 North Dakota 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.