Hail history for Grant County, MN

Grant County has 129 recorded hail events in the NOAA Storm Events Database — 70 of them 1″ or larger and 6 at 2″ or larger. The largest on record: 3.75″ (softball) on July 2, 2003.

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 129 since 1958

1″ or larger 70 NWS severe threshold

2″ or larger 6 hen egg class and up

Largest recorded 3.75″ softball · July 2, 2003

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 Grant County

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

Most recent recorded events

Latest 8 of 129 recorded events · data through April 2026
Date	Size	Comparable to
July 27, 2025	1.5″	Ping-pong ball
July 31, 2024	1.25″	Half dollar
July 26, 2023	1.5″	Ping-pong ball
May 30, 2023	1.0″	Quarter
May 30, 2022	1.0″	Quarter
July 25, 2021	1.75″	Golf ball
June 28, 2021	1.0″	Quarter
July 26, 2020	1.0″	Quarter

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

From the storm reports

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

July 27, 2025 · 1.5″ (ping-pong ball)

Trained spotter reported ping pong ball size hail.

July 25, 2021 · 1.75″ (golf ball)

Golf ball sized hail reported, along with damaged shingles.

July 12, 2015 · 2.5″ (tennis ball)

Very large hail and damaging winds decimated several sections of corn and beans across southeastern Sanford and southern Erdahl townships.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
1	1	3	9	20	46	38	11

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 Grant County

Has it ever hailed in Grant County?

Yes — 129 hail events have been recorded for Grant County, MN in the NOAA Storm Events Database since 1958, including 70 of 1″ (quarter size) or larger.

When did it last hail in Grant County?

The most recent recorded hail event for Grant County, MN is July 27, 2025, with 1.5″ (ping-pong ball) 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 Grant County?

3.75″ (softball), recorded on July 2, 2003. 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.