Illinois

Storms in Illinois in 2009

1,879 events in 271 episodes

Every storm the National Weather Service filed in Illinois in 2009, with each episode’s narrative and every event in it. 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.

Illinois in 2009 on the map

Every episode with a place to put it, colored by kind of event.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over Illinois

The year

Events
1,879
Deaths
37
Injuries
104
Damage
$391 million
Episodes
271

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.

By kind of event

Kind of eventEventsDeathsInjuriesDamage
Thunderstorm Wind54202$1.2 million
Hail33014$5.9 million
Flash Flood14420$2.5 million
Flood12023$8.0 million
Strong Wind8900$87,000
Winter Storm7800$51 million
Extreme Cold/Wind Chill7770
Winter Weather74531
Dense Fog6910
Tornado61162$318 million
Frost/Freeze5600
High Wind4300$3.4 million
Heavy Rain4200
Heat4210
Lightning2601$470,000
Excessive Heat2180
Heavy Snow1811
Ice Storm1800
Freezing Fog1400
Funnel Cloud800
Cold/Wind Chill680
Wildfire100

Every episode, month by month

January 2009

February 2009

March 2009

April 2009

May 2009

June 2009

July 2009

August 2009

September 2009

October 2009

November 2009

December 2009

More

Every year in IllinoisEvery state in 2009Tornadoes in Illinois in 2009Warnings in Illinois in 200920082010

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.