Illinois

Storm History: Adams County, Illinois

456 episodes, 641 events since 1955

Every storm the National Weather Service has filed in Adams 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
641
Deaths
1
Injuries
31
Damage
$4.5 million
Episodes
456

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 Adams 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
Hail21901$118,000
Tornado122020$3.6 million
Thunderstorm Wind10002$144,000
Flash Flood6400$500,000
Winter Storm3200
Excessive Heat2310
Heat2007
Flood1200$167,000
Heavy Snow900
High Wind800
Ice Storm701
Drought600
Cold/Wind Chill500
Blizzard400
Winter Weather300
Lightning200$20,000
Heavy Rain100
Extreme Cold/Wind Chill100
Frost/Freeze100
Strong Wind100$1,000
Sleet100

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 Adams County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Adams CountyEvery warning in Adams 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.