HailHistoryHail by countyMontana › Musselshell County

Montana · county FIPS 30065

Hail history for Musselshell County, MT

Musselshell County has 230 recorded hail events in the NOAA Storm Events Database — 158 of them 1″ or larger and 14 at 2″ or larger. The largest on record: 4.5″ (grapefruit) on June 26, 1996.

Records 1950–present Data through April 2026 Peak month July
Core sample · every recorded event, 1955–2026
1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s 1955 through 2026 largest · 4.5″ grapefruit June 26, 1996

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 230 since 1955
1″ or larger 158 NWS severe threshold
2″ or larger 14 hen egg class and up
Largest recorded 4.5 grapefruit · June 26, 1996
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 Musselshell County

Jan Feb Mar Apr 35 May 87 Jun 92 Jul 15 Aug 1 Sep Oct Nov Dec

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

Most recent recorded events

Latest 8 of 230 recorded events · data through April 2026
DateSizeComparable to
1.25″ Half dollar
1.75″ Golf ball
1.0″ Quarter
1.0″ Quarter
1.0″ Quarter
1.25″ Half dollar
1.0″ Quarter
2.0″ Hen egg

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

From the storm reports

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

· 1.0″ (quarter)

Quarter size hail reported.

· 3.0″ (tea cup)

There was significant crop damage due to the hail and strong winds. The largest hailstones were estimated to be 3 inches in diameter, which is slightly larger than baseball size. Hail drifts were still 4 inches deep at 6 pm. Power outages also occurred in the area.

· 2.75″ (baseball)

Grain bin destroyed.

Events by decade

1950s1960s1970s1980s1990s2000s2010s2020s
3200201106530

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 Musselshell County

Has it ever hailed in Musselshell County?

Yes — 230 hail events have been recorded for Musselshell County, MT in the NOAA Storm Events Database since 1955, including 158 of 1″ (quarter size) or larger.

When did it last hail in Musselshell County?

The most recent recorded hail event for Musselshell County, MT is July 28, 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 Musselshell County?

4.5″ (grapefruit), recorded on June 26, 1996. 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.