Nebraska

Storm History: Sioux County, Nebraska

355 episodes, 560 events since 1951

Every storm the National Weather Service has filed in Sioux County, Nebraska: 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
560
Deaths
0
Injuries
1
Damage
$826,000
Episodes
355

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 Sioux 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
Hail18800$154,000
Tornado10001$660,000
Winter Storm6400
High Wind5300
Heavy Snow3800
Extreme Cold/Wind Chill2900
Thunderstorm Wind2300$5,000
Winter Weather2000
Flash Flood1900$2,000
Blizzard1700
Flood300$5,000
Funnel Cloud200
Heavy Rain200
Avalanche200

The deadliest

None recorded.

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 Sioux County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Sioux CountyEvery warning in Sioux County since 1986Every county in Nebraska

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.