Illinois

Storm History: Sangamon County, Illinois

582 episodes, 1,107 events since 1954

Every storm the National Weather Service has filed in Sangamon 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
1,107
Deaths
13
Injuries
210
Damage
$156 million
Episodes
582

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 Sangamon 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
Tornado4203179$28 million
Hail23601$3.0 million
Flash Flood20710$47 million
Thunderstorm Wind10100$1.5 million
Heavy Snow2513
High Wind2300$3.1 million
Winter Storm1817$4.0 million
Drought1100$66 million
Flood910
Heat8210
Winter Weather816
Excessive Heat800
Strong Wind611$46,000
Blizzard510$350,000
Ice Storm502
Extreme Cold/Wind Chill400
Dust Storm400$100,000
Lightning301$110,000
Cold/Wind Chill210
Frost/Freeze100
Sleet100
Dense Fog100
Wildfire100$2.1 million

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 Sangamon County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Sangamon CountyEvery warning in Sangamon 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.