Hail history for Weston County, WY

Weston County has 301 recorded hail events in the NOAA Storm Events Database — 217 of them 1″ or larger and 23 at 2″ or larger. The largest on record: 3.5″ (softball) on June 16, 1977.

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 301 since 1956

1″ or larger 217 NWS severe threshold

2″ or larger 23 hen egg class and up

Largest recorded 3.5″ softball · June 16, 1977

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 Weston County

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

Most recent recorded events

Latest 8 of 301 recorded events · data through April 2026
Date	Size	Comparable to
July 1, 2024	1.0″	Quarter
July 30, 2023	1.75″	Golf ball
July 30, 2023	2.75″	Baseball
July 30, 2023	1.75″	Golf ball
July 17, 2023	1.25″	Half dollar
July 17, 2023	1.0″	Quarter
July 17, 2023	1.0″	Quarter
July 17, 2023	0.75″	Penny

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

From the storm reports

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

July 9, 2021 · 2.75″ (baseball)

Hail to baseball size broke a window on a fire truck.

July 22, 2014 · 2.5″ (tennis ball)

Large hail ripped bark off trees, dented cars, and smashed a rain gauge.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
1	0	8	8	24	83	119	58

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 Weston County

Has it ever hailed in Weston County?

Yes — 301 hail events have been recorded for Weston County, WY in the NOAA Storm Events Database since 1956, including 217 of 1″ (quarter size) or larger.

When did it last hail in Weston County?

The most recent recorded hail event for Weston County, WY is July 1, 2024, 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 Weston County?

3.5″ (softball), recorded on June 16, 1977. 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.