Illinois

Storm History: McDonough County, Illinois

474 episodes, 786 events since 1957

Every storm the National Weather Service has filed in McDonough 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
786
Deaths
0
Injuries
4
Damage
$35 million
Episodes
474

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 McDonough 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
Hail19400$657,000
Tornado16602$2.1 million
Flash Flood10700$6.3 million
Thunderstorm Wind10401$212,000
Winter Storm6300
Flood3900$1.3 million
Winter Weather2500$2,000
Heavy Snow1500$5,000
Drought1500$16 million
Ice Storm1200$15,000
Dense Fog900
High Wind700$170,000
Extreme Cold/Wind Chill700
Blizzard600
Cold/Wind Chill501
Frost/Freeze500$8.3 million
Heat400
Funnel Cloud100
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 McDonough County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in McDonough CountyEvery warning in McDonough 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.