Nebraska

Storm History: Rock County, Nebraska

359 episodes, 517 events since 1956

Every storm the National Weather Service has filed in Rock 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
517
Deaths
0
Injuries
0
Damage
$6.6 million
Episodes
359

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 Rock 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
Hail20200$1.2 million
Tornado12500$2.5 million
Drought4900$2.0 million
Winter Storm4100$4,000
High Wind2100$40,000
Blizzard2000$56,000
Flash Flood1800$730,000
Extreme Cold/Wind Chill1600
Thunderstorm Wind1200$5,000
Heavy Snow500
Lightning300$47,000
Cold/Wind Chill100
Flood100
Ice Storm100
Excessive Heat100
Frost/Freeze100

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 Rock County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Rock CountyEvery warning in Rock 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.