HailHistory › Hail by county › Arizona › Maricopa County
Arizona · county FIPS 04013
Hail history for Maricopa County, AZ
Maricopa County has 227 recorded hail events in the NOAA Storm Events Database — 125 of them 1″ or larger and 4 at 2″ or larger. The largest on record: 3.0″ (tea cup) on October 5, 2010.
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.
When it hails in Maricopa County
Recorded events by month, 1950–present. The amber bar marks Maricopa County's peak: September.
Most recent recorded events
| Date | Size | Comparable to |
|---|---|---|
| 1.75″ | Golf ball | |
| 0.25″ | Pea | |
| 0.75″ | Penny | |
| 0.88″ | Nickel | |
| 1.0″ | Quarter | |
| 1.0″ | Quarter | |
| 1.0″ | Quarter | |
| 1.0″ | Quarter |
Looking for a specific storm? Use the did-it-hail date lookup for Maricopa County.
From the storm reports
Narratives as filed with the NOAA Storm Events Database (public records; lightly trimmed for length).
· 1.0″ (quarter)
A photo shows a few hail stones, with the largest measuring up to 1.00 inch in diameter in the area of Loop 101 and U.S. 60 in Tempe. There was also a lot of 0.5 inch diameter hail reported. No damages or injuries reported.
· 3.0″ (tea cup)
This storm moved from Firebird Lake, south of Chandler to the north Glendale/south Peoria area. This storm produced widespread golf ball to baseball sized hail along its path. Thousands of roofs and vehicles were damaged by the hail. Locations in northwest Phoenix and Glendale were impacted by this storm as well as the storm shortly after noon, compounding the damage.
· 2.5″ (tennis ball)
This storm moved from south of Chandler to far north Scottsdale. As the storm moved through Scottsdale, the storm dropped up to tennis ball sized hail. The hail damaged hundreds of roofs and vehicles. Dozens of aircraft at Scottsdale airport were damaged by the hail.
Events by decade
| 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
|---|---|---|---|---|---|---|---|
| 0 | 4 | 8 | 16 | 47 | 31 | 53 | 68 |
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 Maricopa County
Has it ever hailed in Maricopa County?
Yes — 227 hail events have been recorded for Maricopa County, AZ in the NOAA Storm Events Database since 1960, including 125 of 1″ (quarter size) or larger.
When did it last hail in Maricopa County?
The most recent recorded hail event for Maricopa County, AZ is November 19, 2025, with 1.75″ (golf 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 Maricopa County?
3.0″ (tea cup), recorded on October 5, 2010. 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 Arizona hail history
- Pima County 189
- Yavapai County 183
- Coconino County 177
- Cochise County 125
- Mohave County 87
- Pinal County 78
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.