Arizona

Storm History: Coconino County, Arizona

1,016 episodes, 1,833 events since 1957

Every storm the National Weather Service has filed in Coconino 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
1,833
Deaths
58
Injuries
344
Damage
$137 million
Episodes
1,016

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 Coconino 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 Flood3992323$33 million
Heavy Snow388393$61,000
High Wind223127$32,000
Hail13901$760,000
Dust Storm12409$168,000
Winter Storm99829
Tornado84221$2.1 million
Wildfire7800$99 million
Heavy Rain6301
Flood5001$155,000
Thunderstorm Wind3700$6,000
Funnel Cloud2400
Avalanche2200
Excessive Heat1500
Lightning14640
Winter Weather13776$530,000
Extreme Cold/Wind Chill1220$1.0 million
Cold/Wind Chill1110
Blizzard10010
Drought700
Debris Flow700
Dense Fog500
Ice Storm4513$100,000
Dust Devil200
Waterspout100
Heat100
Strong Wind100

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 Coconino County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Coconino CountyEvery warning in Coconino 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.