Illinois

Storm History: Hancock County, Illinois

459 episodes, 710 events since 1955

Every storm the National Weather Service has filed in Hancock 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
710
Deaths
0
Injuries
21
Damage
$62 million
Episodes
459

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 Hancock 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
Hail17101$4.3 million
Tornado124018$35 million
Thunderstorm Wind8702$376,000
Flash Flood8200$1.5 million
Flood7100$2.8 million
Winter Storm6200
Winter Weather2700$2,000
Drought1600$13 million
Heavy Snow1500$5,000
Ice Storm1200$16,000
Dense Fog900
Extreme Cold/Wind Chill700
Blizzard600
Cold/Wind Chill500
High Wind500$100,000
Frost/Freeze500$5.6 million
Heat400
Strong Wind100
Excessive Heat100

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 Hancock County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Hancock CountyEvery warning in Hancock 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.