Oklahoma

Storm History: Johnston County, Oklahoma

466 episodes, 728 events since 1951

Every storm the National Weather Service has filed in Johnston 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
728
Deaths
5
Injuries
9
Damage
$20 million
Episodes
466

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 Johnston 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
Tornado21239$8.6 million
Hail18600$177,000
Drought9000$8.3 million
Flash Flood5610$313,000
Heat4510
Excessive Heat4000
Thunderstorm Wind2600$172,000
Heavy Snow1200
Winter Storm1000$55,000
Ice Storm800$2.4 million
Winter Weather800
Dense Fog800
Flood800$8,000
Cold/Wind Chill600
High Wind400$33,000
Extreme Cold/Wind Chill300
Dust Storm200
Blizzard200
Frost/Freeze100
Wildfire100$24,000

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 Johnston County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Johnston CountyEvery warning in Johnston 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.