Hail history for Hill County, MT

Hill County has 112 recorded hail events in the NOAA Storm Events Database — 78 of them 1″ or larger and 8 at 2″ or larger. The largest on record: 3.5″ (softball) on May 30, 1966.

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 112 since 1955

1″ or larger 78 NWS severe threshold

2″ or larger 8 hen egg class and up

Largest recorded 3.5″ softball · May 30, 1966

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 Hill County

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

Most recent recorded events

Latest 8 of 112 recorded events · data through April 2026
Date	Size	Comparable to
August 20, 2025	1.25″	Half dollar
July 13, 2024	1.75″	Golf ball
July 13, 2024	2.0″	Hen egg
July 13, 2024	1.25″	Half dollar
July 13, 2024	1.5″	Ping-pong ball
July 13, 2024	3.0″	Tea cup
July 13, 2024	2.75″	Baseball
July 9, 2022	0.75″	Penny

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

From the storm reports

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

August 20, 2025 · 1.25″ (half dollar)

Social media picture of hail approximated to be 1.25 inches or a bit larger 1 mile south of Havre. Time estimated using radar.

July 13, 2024 · 3.0″ (tea cup)

Public report from social media. Location was estimated based on the report time given by the public and radar data.

July 13, 2024 · 2.75″ (baseball)

Public report of golf ball to baseball sized hail that lasted about ten minutes. Hail completely covered the ground.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
1	6	5	3	19	28	32	18

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 Hill County

Has it ever hailed in Hill County?

Yes — 112 hail events have been recorded for Hill County, MT in the NOAA Storm Events Database since 1955, including 78 of 1″ (quarter size) or larger.

When did it last hail in Hill County?

The most recent recorded hail event for Hill County, MT is August 20, 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 Hill County?

3.5″ (softball), recorded on May 30, 1966. 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 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.