Idaho

Storm History: Owyhee County, Idaho

251 episodes, 365 events since 1959

Every storm the National Weather Service has filed in Owyhee County, Idaho: 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
365
Deaths
4
Injuries
17
Damage
$106 million
Episodes
251

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 Owyhee 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
Heavy Snow143111$100 million
High Wind3900$102,000
Hail3500$50,000
Flash Flood2510
Thunderstorm Wind2400$50,000
Winter Storm2400
Flood1400
Wildfire1310$5.6 million
Tornado1205$80,000
Heavy Rain900$10,000
Dense Fog801
Strong Wind500
Dust Storm400
Blizzard300
Extreme Cold/Wind Chill200
Avalanche100
Frost/Freeze100
Funnel Cloud100
Excessive Heat110
Winter Weather100

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.

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Owyhee CountyEvery warning in Owyhee County since 1986Every county in Idaho

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.