Illinois

Storm History: Rock Island County, Illinois

597 episodes, 872 events since 1955

Every storm the National Weather Service has filed in Rock Island County, Illinois: 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
872
Deaths
7
Injuries
47
Damage
$28 million
Episodes
597

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 Island 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
Tornado193017$13 million
Hail15600$694,000
Thunderstorm Wind11801$340,000
Flash Flood9007$1.3 million
Flood8420$2.9 million
Winter Storm7300
Winter Weather42120
Heavy Snow1700$5,000
Drought1500$9.2 million
High Wind1401$265,000
Ice Storm1301$1,000
Dense Fog1100
Extreme Cold/Wind Chill900
Cold/Wind Chill820
Blizzard700
Frost/Freeze600$495,000
Heat500
Lightning420$11,000
Strong Wind200$2,000
Funnel Cloud200
Debris Flow100$20,000
Sleet100
Excessive Heat100

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 Rock Island County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Rock Island CountyEvery warning in Rock Island County since 1986Every county in Illinois

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.