Oklahoma

Storm History: Sequoyah County, Oklahoma

417 episodes, 712 events since 1955

Every storm the National Weather Service has filed in Sequoyah County, Oklahoma: 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
712
Deaths
20
Injuries
62
Damage
$11 million
Episodes
417

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 Sequoyah 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
Hail290012$1.1 million
Tornado2741749$7.3 million
Flash Flood10331$1.8 million
Thunderstorm Wind4200$238,000
Flood300$50,000

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 Sequoyah County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Sequoyah CountyEvery warning in Sequoyah County since 1986Every county in Oklahoma

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.