Hail history for Hot Springs County, WY

Hot Springs County has 65 recorded hail events in the NOAA Storm Events Database — 36 of them 1″ or larger and 3 at 2″ or larger. The largest on record: 2.5″ (tennis ball) on July 1, 1982.

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 65 since 1965

1″ or larger 36 NWS severe threshold

2″ or larger 3 hen egg class and up

Largest recorded 2.5″ tennis ball · July 1, 1982

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 Hot Springs County

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

Most recent recorded events

Latest 8 of 65 recorded events · data through April 2026
Date	Size	Comparable to
July 29, 2025	1.0″	Quarter
June 26, 2023	1.5″	Ping-pong ball
July 15, 2019	1.5″	Ping-pong ball
July 3, 2019	0.75″	Penny
July 1, 2019	2.25″	Tennis ball
May 16, 2019	0.75″	Penny
July 26, 2018	1.0″	Quarter
June 21, 2018	0.75″	Penny

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

From the storm reports

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

July 29, 2025 · 1.0″ (quarter)

The public reported penny to quarter size hail in north end of Wind River Canyon.

July 1, 2019 · 2.25″ (tennis ball)

A storm developed over the Lee of the Absarokas and quickly became severe as it moved eastward into Hot Springs County. On a long path there were numerous reports of golf ball sized hail, with a maximum size of over two inches in diameter at Hot Springs State Park, just east of Thermopolis, Wyoming. There were numerous reports of damaged siding as well as broken windows on cars and buildings along the hail path.

June 16, 2015 · 2.0″ (hen egg)

Two inch diameter hail fell in the Wind River Canyon knocking out windows in vehicles traveling State Highway 789.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	1	0	4	14	23	21	2

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 Hot Springs County

Has it ever hailed in Hot Springs County?

Yes — 65 hail events have been recorded for Hot Springs County, WY in the NOAA Storm Events Database since 1965, including 36 of 1″ (quarter size) or larger.

When did it last hail in Hot Springs County?

The most recent recorded hail event for Hot Springs County, WY is July 29, 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 Hot Springs County?

2.5″ (tennis ball), recorded on July 1, 1982. Hail that size meets or exceeds the National Weather Service severe threshold. 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.