Hail history for Glacier County, MT

Glacier County has 75 recorded hail events in the NOAA Storm Events Database — 66 of them 1″ or larger. The largest on record: 1.75″ (golf ball) on June 17, 2022.

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 75 since 1957

1″ or larger 66 NWS severe threshold

2″ or larger 0 hen egg class and up

Largest recorded 1.75″ golf ball · June 17, 2022

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 Glacier County

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

Most recent recorded events

Latest 8 of 75 recorded events · data through April 2026
Date	Size	Comparable to
June 10, 2025	1.25″	Half dollar
June 10, 2025	1.25″	Half dollar
July 18, 2022	1.0″	Quarter
July 18, 2022	1.5″	Ping-pong ball
June 17, 2022	1.0″	Quarter
June 17, 2022	1.25″	Half dollar
June 17, 2022	1.75″	Golf ball
June 17, 2022	1.25″	Half dollar

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

From the storm reports

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

June 10, 2025 · 1.25″ (half dollar)

Hail up to walnut size was reported.

June 17, 2022 · 1.75″ (golf ball)

Social media report of golf ball sized hail. Time was estimated via radar.

July 6, 2021 · 1.75″ (golf ball)

Trained spotter reported golf ball sized hail.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
2	1	1	2	6	17	31	15

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 Glacier County

Has it ever hailed in Glacier County?

Yes — 75 hail events have been recorded for Glacier County, MT in the NOAA Storm Events Database since 1957, including 66 of 1″ (quarter size) or larger.

When did it last hail in Glacier County?

The most recent recorded hail event for Glacier County, MT is June 10, 2025, with 1.25″ (half dollar) 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 Glacier County?

1.75″ (golf ball), recorded on June 17, 2022. Hail that size meets or exceeds the National Weather Service severe threshold. 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 Montana hail history

All 56 Montana 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.