HailHistoryHail by countyOklahoma › Cimarron County

Oklahoma · county FIPS 40025

Hail history for Cimarron County, OK

Cimarron County has 284 recorded hail events in the NOAA Storm Events Database — 190 of them 1″ or larger and 39 at 2″ or larger. The largest on record: 4.75″ (grapefruit) on July 9, 1982.

Records 1950–present Data through April 2026 Peak month June
Core sample · every recorded event, 1955–2026
1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s 1955 through 2026 largest · 4.75″ grapefruit July 9, 1982

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 284 since 1961
1″ or larger 190 NWS severe threshold
2″ or larger 39 hen egg class and up
Largest recorded 4.75 grapefruit · July 9, 1982
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 Cimarron County

Jan Feb 2 Mar 22 Apr 72 May 106 Jun 28 Jul 30 Aug 18 Sep 5 Oct 1 Nov Dec

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

Most recent recorded events

Latest 8 of 284 recorded events · data through April 2026
DateSizeComparable to
1.5″ Ping-pong ball
0.88″ Nickel
2.5″ Tennis ball
1.75″ Golf ball
1.0″ Quarter
1.0″ Quarter
1.0″ Quarter
1.5″ Ping-pong ball

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

From the storm reports

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

· 1.75″ (golf ball)

Multiple reports of hail between 1 and 1.75 in diameter were received from 6 miles east of Wheeless to 10 miles NNE of Felt. A trained spotter did report hail accumulating up to 3 deep 10 NNE of Felt.

· 2.75″ (baseball)

A storm moved ESE across southern Cimarron County dropping hail between 1 and 2.75 in diameter.

· 2.75″ (baseball)

Late report from Cimmaron County EM, baseball sized hail reported. Structural and tree damage sustained throughout Keyes, due to wind and large hail.

Events by decade

1950s1960s1970s1980s1990s2000s2010s2020s
0451556897342

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 Cimarron County

Has it ever hailed in Cimarron County?

Yes — 284 hail events have been recorded for Cimarron County, OK in the NOAA Storm Events Database since 1961, including 190 of 1″ (quarter size) or larger.

When did it last hail in Cimarron County?

The most recent recorded hail event for Cimarron County, OK is August 29, 2025, with 1.5″ (ping-pong ball) 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 Cimarron County?

4.75″ (grapefruit), recorded on July 9, 1982. 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.