Oklahoma

Storm History: Dewey County, Oklahoma

607 episodes, 951 events since 1950

Every storm the National Weather Service has filed in Dewey 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
951
Deaths
1
Injuries
10
Damage
$37 million
Episodes
607

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 Dewey 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
Tornado30007$883,000
Hail23400$120,000
Drought11400$8.3 million
Thunderstorm Wind6000$197,000
Flash Flood5200$218,000
High Wind3500$15,000
Heavy Snow2500
Excessive Heat2100
Flood1900$79,000
Ice Storm1600$26 million
Winter Storm1600$5,000
Heat1500
Wildfire1313$872,000
Winter Weather800
Blizzard600
Cold/Wind Chill500
Extreme Cold/Wind Chill400
Dense Fog300
Lightning100$2,000
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 Dewey County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Dewey CountyEvery warning in Dewey 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.