Illinois, 2009
The year's recorded storm events, federal disaster declarations and flood insurance claims.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders.
Events by hazard
Includes events recorded by forecast zone. The state's yearly total for 2009 was 1,879 against 2,890 in 2008.
Counties with the most recorded events
Notable events
| Date | County | Event type | Magnitude | Property damage | Deaths | Injuries |
|---|---|---|---|---|---|---|
| 22 Jun 2009 | Cook | Excessive Heat | — | — | 3 | — |
| 29 Dec 2009 | Cook | Cold/Wind Chill | — | — | 2 | — |
| 8 Dec 2009 | Cook | Cold/Wind Chill | — | — | 2 | — |
| 8 May 2009 | Jackson | Thunderstorm Wind | 106 mph | $100,000,000 | 1 | 6 |
| 21 Feb 2009 | Piatt | Winter Weather | — | — | 1 | 5 |
| 27 Jun 2009 | McLean | Thunderstorm Wind | 40 mph | $35,000 | 1 | 3 |
| 6 Jan 2009 | Vermilion | Winter Weather | — | — | 1 | 1 |
| 27 Jan 2009 | Logan | Winter Weather | — | — | 1 | 1 |
| 16 May 2009 | Fulton | Flood | — | — | 1 | — |
| 19 Dec 2009 | Sangamon | Winter Weather | — | — | 1 | — |
| 25 Jan 2009 | Cook | Extreme Cold/Wind Chill | — | — | 1 | — |
| 24 Jan 2009 | McHenry | Extreme Cold/Wind Chill | — | — | 1 | — |
| 5 Feb 2009 | Forecast zone | Extreme Cold/Wind Chill | — | — | 1 | — |
| 14 Jan 2009 | Logan | Winter Weather | — | — | 1 | — |
| 20 Sep 2009 | Morgan | Flash Flood | — | — | 1 | — |
| 25 Sep 2009 | Logan | Dense Fog | — | — | 1 | — |
| 3 Dec 2009 | Cook | Cold/Wind Chill | — | — | 1 | — |
| 19 Jun 2009 | Pike | Excessive Heat | — | — | 1 | — |
| 9 Aug 2009 | Cook | Excessive Heat | — | — | 1 | — |
| 4 Jan 2009 | Ogle | Extreme Cold/Wind Chill | — | — | 1 | — |
| 5 Jan 2009 | Cook | Extreme Cold/Wind Chill | — | — | 1 | — |
| 21 Jan 2009 | Cook | Extreme Cold/Wind Chill | — | — | 1 | — |
| 30 Dec 2009 | Will | Cold/Wind Chill | — | — | 1 | — |
| 28 Dec 2009 | Kankakee | Cold/Wind Chill | — | — | 1 | — |
| 15 Jan 2009 | McLean | Extreme Cold/Wind Chill | — | — | 1 | — |
| 8 Jan 2009 | Champaign | Cold/Wind Chill | — | — | 1 | — |
| 6 Apr 2009 | Woodford | Winter Weather | — | — | 1 | — |
| 22 Jun 2009 | Union | Heat | — | — | 1 | — |
| 15 May 2009 | Fulton | Flood | — | — | 1 | — |
| 17 Jun 2009 | Madison | Excessive Heat | — | — | 1 | — |
| 22 Jun 2009 | Will | Excessive Heat | — | — | 1 | — |
| 22 Jun 2009 | Grundy | Excessive Heat | — | — | 1 | — |
| 30 Oct 2009 | Logan | Flood | — | — | 1 | — |
| 8 May 2009 | Williamson | Thunderstorm Wind | 100 mph | $175,000,000 | — | 23 |
| 19 Aug 2009 | Sangamon | Tornado | EF3 | $11,000,000 | — | 17 |
| 25 Dec 2009 | Coles | Winter Weather | — | — | — | 8 |
| 25 Dec 2009 | McLean | Winter Weather | — | — | — | 5 |
| 18 Jan 2009 | Vermilion | Winter Weather | — | — | — | 4 |
| 19 Aug 2009 | Sangamon | Tornado | EF2 | $4,000,000 | — | 3 |
| 25 Jan 2009 | Shelby | Winter Weather | — | — | — | 3 |
Up to 40 events with deaths, injuries, damage of $50,000 or more, or a tornado rating, ranked by deaths, injuries and damage.
Federal disaster declarations in 2009
| Declared | Number | Type | Incident | Title | Counties |
|---|---|---|---|---|---|
| 2 Jul 2009 | DR-1850 | Major disaster | Severe Storm | Severe Storms, Flooding, And Tornadoes | 8 |
| 2 Mar 2009 | DR-1826 | Major disaster | Severe Storm | Severe Winter Storm | 9 |
Flood insurance claims with a 2009 date of loss
582 NFIP claims, 454 of them paid, for $5,843,888.
Sources: NOAA NCEI Storm Events through 30 Jun 2026; OpenFEMA DisasterDeclarationsSummaries v2 (1 Oct 2026); OpenFEMA NfipClaims v3 (8 Sep 2026). Built 1 Oct 2026.