Illinois, 2001
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 2001 was 1,299 against 1,720 in 2000.
Counties with the most recorded events
Notable events
| Date | County | Event type | Magnitude | Property damage | Deaths | Injuries |
|---|---|---|---|---|---|---|
| 6 Aug 2001 | Cook | Heat | — | — | 14 | — |
| 21 Jul 2001 | Cook | Heat | — | — | 10 | — |
| 29 Jul 2001 | Cook | Heat | — | — | 6 | — |
| 17 Jul 2001 | Cook | Heat | — | — | 2 | — |
| 13 Oct 2001 | Cook | Thunderstorm Wind | 58 mph | $5,000 | 1 | 6 |
| 7 Apr 2001 | McHenry | High Wind | 53 mph | — | 1 | 1 |
| 24 Feb 2001 | St. Clair | Lightning | — | — | 1 | — |
| 10 Apr 2001 | Macoupin | Lightning | — | — | 1 | — |
| 17 Jun 2001 | Cook | Heat | — | — | 1 | — |
| 19 Jun 2001 | St. Clair | Heat | — | — | 1 | — |
| 4 Jul 2001 | Cook | Heat | — | — | 1 | — |
| 9 Aug 2001 | Boone | Lightning | — | — | 1 | — |
| 6 Sep 2001 | Macoupin | Lightning | — | — | 1 | — |
| 9 Jul 2001 | Coles | Flood | — | — | 1 | — |
| 1 Aug 2001 | Cook | Heat | — | — | 1 | — |
| 22 Jul 2001 | Cook | Lightning | — | — | 1 | — |
| 18 Aug 2001 | Douglas | Thunderstorm Wind | 58 mph | — | — | 6 |
| 2 Aug 2001 | Cook | Flash Flood | — | $37,000,000 | — | — |
| 24 Oct 2001 | Champaign | Tornado | F1 | $500,000 | — | 2 |
| 24 Oct 2001 | White | Thunderstorm Wind | 70 mph | $200,000 | — | 2 |
| 24 Oct 2001 | Jackson | Thunderstorm Wind | 70 mph | $50,000 | — | 2 |
| 25 Oct 2001 | Cook | High Wind | 59 mph | $50,000 | — | 2 |
| 25 Oct 2001 | Whiteside | Strong Wind | — | — | — | 2 |
| 10 Apr 2001 | Madison | Tornado | F1 | $5,000,000 | — | 1 |
| 24 Oct 2001 | Franklin | Thunderstorm Wind | 81 mph | $75,000 | — | 1 |
| 12 Jun 2001 | Lee | Thunderstorm Wind | 75 mph | $55,000 | — | 1 |
| 24 Oct 2001 | Wabash | Thunderstorm Wind | 70 mph | $50,000 | — | 1 |
| 24 Oct 2001 | Franklin | Thunderstorm Wind | — | $50,000 | — | 1 |
| 11 Jun 2001 | Kane | Thunderstorm Wind | 58 mph | $7,000 | — | 1 |
| 29 Nov 2001 | White | Strong Wind | — | $7,000 | — | 1 |
| 22 Aug 2001 | Fulton | Thunderstorm Wind | 61 mph | — | — | 1 |
| 23 Jul 2001 | Cook | Lightning | — | — | — | 1 |
| 25 Oct 2001 | Kane | High Wind | 58 mph | — | — | 1 |
| 24 Oct 2001 | Vermilion | Thunderstorm Wind | 64 mph | — | — | 1 |
| 8 Jul 2001 | Vermilion | Thunderstorm Wind | 85 mph | $8,500,000 | — | — |
| 24 Oct 2001 | Piatt | Tornado | F2 | $2,200,000 | — | — |
| 8 Sep 2001 | St. Clair | Thunderstorm Wind | 75 mph | $600,000 | — | — |
| 6 Jun 2001 | Sangamon | Flash Flood | — | $500,000 | — | — |
| 21 Jul 2001 | Cook | Flash Flood | — | $500,000 | — | — |
| 24 Oct 2001 | Douglas | Thunderstorm Wind | 63 mph | $300,000 | — | — |
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 2001
| Declared | Number | Type | Incident | Title | Counties |
|---|---|---|---|---|---|
| 9 May 2001 | DR-1368 | Major disaster | Flood | Flooding | 10 |
| 17 Jan 2001 | EM-3161 | Emergency | Snowstorm | Illinois Winter Snow Storms | 27 |
Flood insurance claims with a 2001 date of loss
894 NFIP claims, 673 of them paid, for $7,893,878.
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.