HailHistoryHail by countyArizona › Pinal County

Arizona · county FIPS 04021

Hail history for Pinal County, AZ

Pinal County has 78 recorded hail events in the NOAA Storm Events Database — 42 of them 1″ or larger and 1 at 2″ or larger. The largest on record: 2.0″ (hen egg) on October 13, 2025.

Records 1950–present Data through April 2026 Peak month September
Core sample · every recorded event, 1955–2026
1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s 1955 through 2026 largest · 2.0″ hen egg October 13, 2025

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 78 since 1961
1″ or larger 42 NWS severe threshold
2″ or larger 1 hen egg class and up
Largest recorded 2.0 hen egg · October 13, 2025
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 Pinal County

Jan 1 Feb 2 Mar Apr 5 May 2 Jun 10 Jul 19 Aug 24 Sep 14 Oct Nov 1 Dec

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

Most recent recorded events

Latest 8 of 78 recorded events · data through April 2026
DateSizeComparable to
2.0″ Hen egg
1.5″ Ping-pong ball
0.75″ Penny
1.0″ Quarter
1.0″ Quarter
1.0″ Quarter
0.75″ Penny
0.75″ Penny

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

From the storm reports

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

· 2.0″ (hen egg)

Two-inch diameter hail measured at the area of U.S. 60 and South Idaho Road in Apache Junction. No damages or injuries reported.

· 1.75″ (golf ball)

Thunderstorms with very large hail developed to the southeast of the greater Phoenix area during the afternoon hours on October 21st. Some of the stronger storms produced hail with diameters well in excess of one inch and they affected the areas around the town of Coolidge.

Events by decade

1950s1960s1970s1980s1990s2000s2010s2020s
022219162215

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 Pinal County

Has it ever hailed in Pinal County?

Yes — 78 hail events have been recorded for Pinal County, AZ in the NOAA Storm Events Database since 1961, including 42 of 1″ (quarter size) or larger.

When did it last hail in Pinal County?

The most recent recorded hail event for Pinal County, AZ is October 13, 2025, with 2.0″ (hen egg) 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 Pinal County?

2.0″ (hen egg), recorded on October 13, 2025. 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 Arizona hail history

All 15 Arizona 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.