Hail history for Gilliam County, OR

Gilliam County has 11 recorded hail events in the NOAA Storm Events Database — 4 of them 1″ or larger and 1 at 2″ or larger. The largest on record: 4.0″ (softball) on July 9, 1995.

Records 1950–present Data through April 2026

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 11 since 1991

1″ or larger 4 NWS severe threshold

2″ or larger 1 hen egg class and up

Largest recorded 4.0″ softball · July 9, 1995

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.

Most recent recorded events

Latest 8 of 11 recorded events · data through April 2026
Date	Size	Comparable to
June 27, 2019	0.88″	Nickel
June 26, 2019	0.88″	Nickel
May 17, 2010	1.0″	Quarter
August 5, 2004	0.75″	Penny
August 4, 2004	0.75″	Penny
May 7, 2004	0.75″	Penny
August 5, 2003	0.75″	Penny
August 6, 1999	0.75″	Penny

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

From the storm reports

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

June 26, 2019 · 0.88″ (nickel)

Hailstones up to the size of nickels were reported with accumulations of up to 2 inches on the ground.

May 17, 2010 · 1.0″ (quarter)

Hail ranging in size from nickel to quarter fell for 10 minutes and covered the ground. Heavy rainfall accompanied the hail.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	0	0	0	4	4	3	0

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 Gilliam County

Has it ever hailed in Gilliam County?

Yes — 11 hail events have been recorded for Gilliam County, OR in the NOAA Storm Events Database since 1991, including 4 of 1″ (quarter size) or larger.

When did it last hail in Gilliam County?

The most recent recorded hail event for Gilliam County, OR is June 27, 2019, with 0.88″ (nickel) 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 Gilliam County?

4.0″ (softball), recorded on July 9, 1995. 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 Oregon hail history

All 36 Oregon 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.