Hail history for Pottawatomie County, OK

Pottawatomie County has 359 recorded hail events in the NOAA Storm Events Database — 193 of them 1″ or larger and 26 at 2″ or larger. The largest on record: 3.0″ (tea cup) on May 24, 1968.

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 359 since 1956

1″ or larger 193 NWS severe threshold

2″ or larger 26 hen egg class and up

Largest recorded 3.0″ tea cup · May 24, 1968

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 Pottawatomie County

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

Most recent recorded events

Latest 8 of 359 recorded events · data through April 2026
Date	Size	Comparable to
April 28, 2026	1.0″	Quarter
April 28, 2026	1.6″	Ping-pong ball
November 19, 2025	1.75″	Golf ball
October 23, 2025	1.0″	Quarter
October 23, 2025	1.0″	Quarter
June 3, 2025	1.0″	Quarter
June 3, 2025	1.0″	Quarter
May 24, 2025	1.25″	Half dollar

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

From the storm reports

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

April 28, 2026 · 1.6″ (ping-pong ball)

An image of a ruler-measured hailstone was shared by a broadcast media storm chaser. The event time is estimated based on radar observations.

May 8, 2015 · 2.75″ (baseball)

No damage reported.

March 31, 2015 · 2.75″ (baseball)

No damage was reported.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
6	12	9	53	77	96	54	52

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 Pottawatomie County

Has it ever hailed in Pottawatomie County?

Yes — 359 hail events have been recorded for Pottawatomie County, OK in the NOAA Storm Events Database since 1956, including 193 of 1″ (quarter size) or larger.

When did it last hail in Pottawatomie County?

The most recent recorded hail event for Pottawatomie County, OK is April 28, 2026, 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 Pottawatomie County?

3.0″ (tea cup), recorded on May 24, 1968. 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 Oklahoma hail history

All 77 Oklahoma 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.