Hail history for Montgomery County, MD

Montgomery County has 191 recorded hail events in the NOAA Storm Events Database — 122 of them 1″ or larger and 7 at 2″ or larger. The largest on record: 2.75″ (baseball) on May 2, 2016.

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 191 since 1965

1″ or larger 122 NWS severe threshold

2″ or larger 7 hen egg class and up

Largest recorded 2.75″ baseball · May 2, 2016

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 Montgomery County

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

Most recent recorded events

Latest 8 of 191 recorded events · data through April 2026
Date	Size	Comparable to
May 3, 2025	1.0″	Quarter
August 29, 2024	1.5″	Ping-pong ball
August 29, 2024	1.0″	Quarter
August 29, 2024	1.5″	Ping-pong ball
April 15, 2024	1.0″	Quarter
September 7, 2023	1.0″	Quarter
June 2, 2022	1.0″	Quarter
June 2, 2022	1.0″	Quarter

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

From the storm reports

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

May 3, 2025 · 1.0″ (quarter)

Quarter size hail was reported near Damascus.

June 2, 2019 · 2.0″ (hen egg)

Hail up to the size of hen eggs (2.0 in diameter) was reported.

May 2, 2016 · 2.75″ (baseball)

Reported by DMAM2, hail stone measured 1.5 inches tall by 3 inches wide.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
0	6	3	10	25	67	65	15

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 Montgomery County

Has it ever hailed in Montgomery County?

Yes — 191 hail events have been recorded for Montgomery County, MD in the NOAA Storm Events Database since 1965, including 122 of 1″ (quarter size) or larger.

When did it last hail in Montgomery County?

The most recent recorded hail event for Montgomery County, MD is May 3, 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 Montgomery County?

2.75″ (baseball), recorded on May 2, 2016. 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 Maryland hail history

All 24 Maryland 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.