Hail history for Grand Forks County, ND

Grand Forks County has 391 recorded hail events in the NOAA Storm Events Database — 212 of them 1″ or larger and 18 at 2″ or larger. The largest on record: 3.0″ (tea cup) on June 27, 2015.

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 391 since 1959

1″ or larger 212 NWS severe threshold

2″ or larger 18 hen egg class and up

Largest recorded 3.0″ tea cup · June 27, 2015

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 Grand Forks County

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

Most recent recorded events

Latest 8 of 391 recorded events · data through April 2026
Date	Size	Comparable to
July 14, 2025	2.0″	Hen egg
July 14, 2025	1.25″	Half dollar
July 7, 2025	1.0″	Quarter
July 7, 2025	1.0″	Quarter
July 7, 2025	1.0″	Quarter
July 7, 2025	1.0″	Quarter
July 7, 2025	1.75″	Golf ball
July 7, 2025	1.0″	Quarter

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

From the storm reports

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

July 14, 2025 · 1.25″ (half dollar)

Half dollar size hail reported.

July 9, 2016 · 2.5″ (tennis ball)

Widespread foliage damage was reported.

July 18, 2004 · 2.5″ (tennis ball)

Three-quarters of the windows on a house were broken by the large hail. The ground was white with hail.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
1	5	9	17	37	177	109	36

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 Grand Forks County

Has it ever hailed in Grand Forks County?

Yes — 391 hail events have been recorded for Grand Forks County, ND in the NOAA Storm Events Database since 1959, including 212 of 1″ (quarter size) or larger.

When did it last hail in Grand Forks County?

The most recent recorded hail event for Grand Forks County, ND is July 14, 2025, with 2.0″ (hen egg) 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 Grand Forks County?

3.0″ (tea cup), recorded on June 27, 2015. 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.