Oklahoma

Storm History: Grady County, Oklahoma

799 episodes, 1,546 events since 1951

Every storm the National Weather Service has filed in Grady 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
1,546
Deaths
22
Injuries
164
Damage
$162 million
Episodes
799

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 Grady 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
Tornado58815133$132 million
Hail44702$780,000
Flash Flood11500$123,000
Drought8900$8.3 million
Thunderstorm Wind6010$353,000
Excessive Heat5400
Heat4020
Flood3500$567,000
High Wind2500$10,000
Ice Storm1600$20 million
Winter Storm15027$25,000
Wildfire1332$215,000
Heavy Snow1200
Dense Fog900
Winter Weather900$10,000
Cold/Wind Chill710
Blizzard400
Extreme Cold/Wind Chill400
Dust Storm100
Strong Wind100
Heavy Rain100
Frost/Freeze100

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 Grady County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Grady CountyEvery warning in Grady 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.