Hail history for Converse County, WY

Converse County has 160 recorded hail events in the NOAA Storm Events Database — 138 of them 1″ or larger and 17 at 2″ or larger. The largest on record: 4.0″ (softball) on June 12, 2017.

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 160 since 1959

1″ or larger 138 NWS severe threshold

2″ or larger 17 hen egg class and up

Largest recorded 4.0″ softball · June 12, 2017

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 Converse County

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

Most recent recorded events

Latest 8 of 160 recorded events · data through April 2026
Date	Size	Comparable to
July 18, 2025	1.0″	Quarter
June 16, 2025	1.75″	Golf ball
June 16, 2025	1.0″	Quarter
June 16, 2025	1.0″	Quarter
July 1, 2024	1.0″	Quarter
September 22, 2023	1.0″	Quarter
September 9, 2023	1.25″	Half dollar
September 9, 2023	1.75″	Golf ball

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

From the storm reports

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

July 18, 2025 · 1.0″ (quarter)

Spotter reports quarter size hail.

June 12, 2017 · 4.0″ (softball)

Softball size hail was observed eight miles of Douglas.

July 21, 2013 · 2.75″ (baseball)

Ping pong ball to baseball size hail was reported just east of Bill.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
1	2	6	10	20	25	67	29

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 Converse County

Has it ever hailed in Converse County?

Yes — 160 hail events have been recorded for Converse County, WY in the NOAA Storm Events Database since 1959, including 138 of 1″ (quarter size) or larger.

When did it last hail in Converse County?

The most recent recorded hail event for Converse County, WY is July 18, 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 Converse County?

4.0″ (softball), recorded on June 12, 2017. 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.