Hail history for Lewis County, NY

Lewis County has 26 recorded hail events in the NOAA Storm Events Database — 12 of them 1″ or larger. The largest on record: 1.25″ (half dollar) on May 21, 2022.

Records 1950–present Data through April 2026 Peak month May

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 26 since 1969

1″ or larger 12 NWS severe threshold

2″ or larger 0 hen egg class and up

Largest recorded 1.25″ half dollar · May 21, 2022

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 Lewis County

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

Most recent recorded events

Latest 8 of 26 recorded events · data through April 2026
Date	Size	Comparable to
July 10, 2024	1.0″	Quarter
July 13, 2023	0.75″	Penny
May 21, 2022	1.0″	Quarter
May 21, 2022	1.25″	Half dollar
May 19, 2019	1.25″	Half dollar
August 3, 2017	0.88″	Nickel
June 17, 2014	1.0″	Quarter
June 17, 2014	1.25″	Half dollar

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

From the storm reports

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

July 13, 2023 · 0.75″ (penny)

Penny sized hail was observed.

May 15, 1993 · 1.0″ (quarter)

Thunderstorms that developed in a moist southwest flow produced one inch hail at Redfield and Port Leyden.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	1	0	1	3	8	9	4

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 Lewis County

Has it ever hailed in Lewis County?

Yes — 26 hail events have been recorded for Lewis County, NY in the NOAA Storm Events Database since 1969, including 12 of 1″ (quarter size) or larger.

When did it last hail in Lewis County?

The most recent recorded hail event for Lewis County, NY is July 10, 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 Lewis County?

1.25″ (half dollar), recorded on May 21, 2022. 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 New York hail history

All 62 New York 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.