Hail history for Sheridan County, WY

Sheridan County has 215 recorded hail events in the NOAA Storm Events Database — 142 of them 1″ or larger and 10 at 2″ or larger. The largest on record: 3.0″ (tea cup) on June 17, 1979.

Records 1950–present Data through April 2026 Peak month June

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 215 since 1961

1″ or larger 142 NWS severe threshold

2″ or larger 10 hen egg class and up

Largest recorded 3.0″ tea cup · June 17, 1979

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: June.

Most recent recorded events

Latest 8 of 215 recorded events · data through April 2026
Date	Size	Comparable to
June 16, 2025	1.75″	Golf ball
June 13, 2025	1.25″	Half dollar
September 12, 2024	1.0″	Quarter
September 12, 2024	1.25″	Half dollar
September 12, 2024	1.25″	Half dollar
September 12, 2024	2.0″	Hen egg
September 12, 2024	1.0″	Quarter
September 12, 2024	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).

June 16, 2025 · 1.75″ (golf ball)

Estimated 60 mph wind gust (no confirmation).

July 6, 2019 · 2.75″ (baseball)

Some skylights were broken.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	4	10	3	19	71	73	35

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 — 215 hail events have been recorded for Sheridan County, WY in the NOAA Storm Events Database since 1961, including 142 of 1″ (quarter size) or larger.

When did it last hail in Sheridan County?

The most recent recorded hail event for Sheridan County, WY is June 16, 2025, with 1.75″ (golf ball) 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 June 17, 1979. 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 Wyoming hail history

All 23 Wyoming 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.