Hail history for Pottawatomie County, KS

Pottawatomie County has 408 recorded hail events in the NOAA Storm Events Database — 297 of them 1″ or larger and 27 at 2″ or larger. The largest on record: 4.0″ (softball) on June 29, 1998.

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 408 since 1957

1″ or larger 297 NWS severe threshold

2″ or larger 27 hen egg class and up

Largest recorded 4.0″ softball · June 29, 1998

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: June.

Most recent recorded events

Latest 8 of 408 recorded events · data through April 2026
Date	Size	Comparable to
May 19, 2025	1.0″	Quarter
May 19, 2025	1.5″	Ping-pong ball
April 28, 2025	1.0″	Quarter
April 28, 2025	1.0″	Quarter
April 28, 2025	1.0″	Quarter
October 24, 2024	1.0″	Quarter
June 13, 2024	1.5″	Ping-pong ball
June 13, 2024	1.5″	Ping-pong ball

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).

May 19, 2025 · 1.5″ (ping-pong ball)

Ping pong ball size hail near Olsburg.

July 11, 2020 · 2.75″ (baseball)

Reports of several large hailstones falling, including golf ball and baseball sized hail.

July 22, 2017 · 3.0″ (tea cup)

Report received via social media.

Events by decade

1950s	1960s	1970s	1980s	1990s	2000s	2010s	2020s
2	9	8	21	54	136	129	49

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 — 408 hail events have been recorded for Pottawatomie County, KS in the NOAA Storm Events Database since 1957, including 297 of 1″ (quarter size) or larger.

When did it last hail in Pottawatomie County?

The most recent recorded hail event for Pottawatomie County, KS is May 19, 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 Pottawatomie County?

4.0″ (softball), recorded on June 29, 1998. 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 Kansas hail history

All 105 Kansas 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.