Illinois

Storm History: Henry County, Illinois

550 episodes, 905 events since 1955

Every storm the National Weather Service has filed in Henry 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
905
Deaths
3
Injuries
16
Damage
$157 million
Episodes
550

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 Henry 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
Hail22424$76 million
Tornado217011$37 million
Thunderstorm Wind12500$149,000
Flash Flood9601$5.7 million
Winter Storm7100
Winter Weather3500
Flood2800$742,000
Heavy Snow2000$10,000
Ice Storm1500$18,000
Drought1500$35 million
Dense Fog1000
High Wind900$250,000
Extreme Cold/Wind Chill800
Blizzard700
Frost/Freeze600$1.8 million
Cold/Wind Chill500
Heat410
Lightning300$75,000
Strong Wind200$1,000
Funnel Cloud200
Sleet100
Excessive Heat100
Wildfire100

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 Henry County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Henry CountyEvery warning in Henry 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.