Arizona

Storm History: Pinal County, Arizona

823 episodes, 1,529 events since 1955

Every storm the National Weather Service has filed in Pinal County, Arizona: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
1,529
Deaths
157
Injuries
181
Damage
$52 million
Episodes
823

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Pinal County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Flash Flood33553$20 million
Excessive Heat2747424
Thunderstorm Wind208249$9.6 million
Drought19000
Dust Storm149568$2.7 million
Hail7113$682,000
Tornado70014$4.5 million
Heat58664
Winter Storm4500$127,000
Flood3000$784,000
Wildfire28014$13 million
Heavy Snow1900
Heavy Rain1700$315,000
Dense Fog900
Funnel Cloud500
Debris Flow500$3,000
Lightning312$10,000
Frost/Freeze310$20,000
Dust Devil200$10,000
Extreme Cold/Wind Chill200
Cold/Wind Chill220
Winter Weather200
Strong Wind100$1,000
High Wind100$3,000

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Pinal County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Pinal CountyEvery warning in Pinal County since 1986Every county in Arizona

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.