Hail history for Sheridan County, MT

Sheridan County has 197 recorded hail events in the NOAA Storm Events Database — 114 of them 1″ or larger and 12 at 2″ or larger. The largest on record: 3.0″ (tea cup) on July 2, 1971.

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 197 since 1957

1″ or larger 114 NWS severe threshold

2″ or larger 12 hen egg class and up

Largest recorded 3.0″ tea cup · July 2, 1971

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 Sheridan County

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

Most recent recorded events

Latest 8 of 197 recorded events · data through April 2026
Date	Size	Comparable to
September 12, 2025	1.0″	Quarter
September 12, 2025	1.5″	Ping-pong ball
August 25, 2024	2.0″	Hen egg
August 24, 2024	1.75″	Golf ball
July 5, 2022	1.0″	Quarter
July 5, 2022	1.75″	Golf ball
July 1, 2022	1.0″	Quarter
July 8, 2021	1.0″	Quarter

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

From the storm reports

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

September 12, 2025 · 1.5″ (ping-pong ball)

Public reported ping pong ball size hail, estimated from photo via Facebook.

May 26, 2014 · 2.75″ (baseball)

Public reported baseball-sized hail which broke a car windshield on approach to the town of Plentywood.

May 26, 2014 · 2.5″ (tennis ball)

Public reported golf ball-sized to tennis ball-sized hail.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
4	3	4	1	26	78	65	16

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 Sheridan County

Has it ever hailed in Sheridan County?

Yes — 197 hail events have been recorded for Sheridan County, MT in the NOAA Storm Events Database since 1957, including 114 of 1″ (quarter size) or larger.

When did it last hail in Sheridan County?

The most recent recorded hail event for Sheridan County, MT is September 12, 2025, with 1.0″ (quarter) 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 Sheridan County?

3.0″ (tea cup), recorded on July 2, 1971. 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.