Alert archive / Illinois / Flash Flood Warnings
Flash Flood Warnings in Illinois, 2004
170 flash flood warnings in 2004. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in 2004. Tap one for its archive.
- Flash Flood Warnings
- 170
- Busiest month
- May69 flash flood warnings
- Busiest day
- May 30, 200416 flash flood warnings
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 26, 12:23 PM CST | Flash Flood Warning | LSX | Marion | 4 hr |
| Mar 26, 4:15 PM CST | Flash Flood Warning | ILX | Vermilion | 3 hr |
| Apr 20, 8:03 PM CDT | Flash Flood Warning | LOT | Cook, Will | 3 hr |
| Apr 21, 7:45 PM CDT | Flash Flood Warning | PAH | Jackson, Williamson | 2 hr |
| May 1, 2:07 AM CDT | Flash Flood Warning | PAH | White | 3 hr |
| May 1, 4:27 AM CDT | Flash Flood Warning | PAH | Hamilton | 4 hr |
| May 1, 5:24 AM CDT | Flash Flood Warning | PAH | Saline | 3 hr |
| May 9, 7:13 PM CDT | Flash Flood Warning | LOT | Kane, Kendall, Will | 3 hr |
| May 13, 5:38 PM CDT | Flash Flood Warning | ILX | Christian | 6 hr |
| May 13, 6:09 PM CDT | Flash Flood Warning | LOT | Cook, DuPage, Will | 3 hr |
| May 13, 7:07 PM CDT | Flash Flood Warning | LOT | Kendall | 3 hr |
| May 13, 8:01 PM CDT | Flash Flood Warning | ILX | Macon, Piatt | 6 hr |
| May 13, 8:06 PM CDT | Flash Flood Warning | ILX | Shelby | 6 hr |
| May 17, 11:43 PM CDT | Flash Flood Warning | LOT | Lake, McHenry | 6 hr |
| May 18, 12:25 AM CDT | Flash Flood Warning | LOT | Cook | 5 hr |
| May 18, 1:58 PM CDT | Flash Flood Warning | ILX | DeWitt | 6 hr |
| May 18, 4:45 PM CDT | Flash Flood Warning | ILX | Peoria | 4 hr |
| May 18, 6:24 PM CDT | Flash Flood Warning | ILX | McLean | 3 hr |
| May 20, 6:26 PM CDT | Flash Flood Warning | LOT | Winnebago | 2 hr |
| May 20, 7:20 PM CDT | Flash Flood Warning | LOT | Boone, McHenry | 3 hr |
| May 20, 7:31 PM CDT | Flash Flood Warning | LOT | DeKalb, Kane, Lee, Ogle | 3 hr |
| May 20, 8:03 PM CDT | Flash Flood Warning | LOT | Cook, DuPage | 3 hr |
| May 20, 10:20 PM CDT | Flash Flood Warning | LOT | Cook, DeKalb, DuPage, Kane, LaSalle, Lee and 1 more | 3 hr |
| May 21, 7:09 PM CDT | Flash Flood Warning | LOT | Lake, McHenry | 3 hr |
| May 21, 7:23 PM CDT | Flash Flood Warning | LOT | Cook, DeKalb, DuPage, Kane, Lee, Ogle | 3 hr |
| May 22, 4:48 AM CDT | Flash Flood Warning | DVN | Carroll, Jo Daviess, Stephenson | 4 hr |
| May 22, 7:57 PM CDT | Flash Flood Warning | LOT | Cook | 3 hr |
| May 23, 4:28 AM CDT | Flash Flood Warning | DVN | Jo Daviess | 3 hr |
| May 23, 8:05 PM CDT | Flash Flood Warning | LOT | Cook | 3 hr |
| May 23, 9:10 PM CDT | Flash Flood Warning | ILX | Christian | 6 hr |
| May 24, 10:48 PM CDT | Flash Flood Warning | ILX | Schuyler | 6 hr |
| May 24, 11:39 PM CDT | Flash Flood Warning | ILX | Cass, Logan, Mason, Menard | 6 hr |
| May 25, 12:22 AM CDT | Flash Flood Warning | ILX | DeWitt | 6 hr |
| May 25, 5:16 PM CDT | Flash Flood Warning | LSX | Monroe | 5 hr |
| May 25, 5:27 PM CDT | Flash Flood Warning | PAH | Franklin | 2 hr |
| May 25, 5:47 PM CDT | Flash Flood Warning | PAH | Hamilton, White | 103 min |
| May 25, 7:31 PM CDT | Flash Flood Warning | PAH | Hamilton, White | 119 min |
| May 26, 2:37 PM CDT | Flash Flood Warning | PAH | Franklin | 83 min |
| May 26, 4:00 PM CDT | Flash Flood Warning | PAH | Gallatin, Saline | 2 hr |
| May 26, 8:18 PM CDT | Flash Flood Warning | ILX | Clay, Lawrence, Richland | 6 hr |
| May 26, 11:00 PM CDT | Flash Flood Warning | ILX | Crawford, Effingham, Jasper | 4 hr |
| May 27, 3:01 AM CDT | Flash Flood Warning | ILX | Jasper | 4 hr |
| May 27, 4:26 PM CDT | Flash Flood Warning | ILX | Crawford, Effingham, Jasper | 6 hr |
| May 27, 5:08 PM CDT | Flash Flood Warning | ILX | Clark, Cumberland, Shelby | 6 hr |
| May 27, 5:12 PM CDT | Flash Flood Warning | LSX | Bond, Fayette, Macoupin, Madison, Montgomery | 5 hr |
| May 27, 5:44 PM CDT | Flash Flood Warning | LSX | Calhoun, Greene, Pike | 4 hr |
| May 27, 5:50 PM CDT | Flash Flood Warning | ILX | Coles | 6 hr |
| May 27, 6:02 PM CDT | Flash Flood Warning | ILX | Clay, Lawrence, Richland | 58 min |
| May 27, 6:54 PM CDT | Flash Flood Warning | LSX | Jersey | 4 hr |
| May 27, 7:40 PM CDT | Flash Flood Warning | LSX | Monroe | 4 hr |
| May 27, 8:10 PM CDT | Flash Flood Warning | LSX | Clinton, Marion, Saint Clair | 16 hr |
| May 27, 8:30 PM CDT | Flash Flood Warning | PAH | Edwards, Jefferson, Wabash, Wayne | 3 hr |
| May 30, 7:53 AM CDT | Flash Flood Warning | DVN | Bureau, Henry, Mercer, Rock Island, Whiteside | 6 hr |
| May 30, 9:06 AM CDT | Flash Flood Warning | ILX | Knox, Stark | 6 hr |
| May 30, 9:34 AM CDT | Flash Flood Warning | ILX | Peoria, Tazewell | 6 hr |
| May 30, 9:52 AM CDT | Flash Flood Warning | ILX | Marshall, Woodford | 6 hr |
| May 30, 10:01 AM CDT | Flash Flood Warning | DVN | Putnam | 4 hr |
| May 30, 10:27 AM CDT | Flash Flood Warning | ILX | McLean | 6 hr |
| May 30, 10:54 AM CDT | Flash Flood Warning | LOT | Cook | 3 hr |
| May 30, 4:21 PM CDT | Flash Flood Warning | ILX | Knox | 6 hr |
| May 30, 4:34 PM CDT | Flash Flood Warning | ILX | Fulton, Schuyler | 6 hr |
| May 30, 4:40 PM CDT | Flash Flood Warning | ILX | Peoria, Stark | 6 hr |
| May 30, 4:51 PM CDT | Flash Flood Warning | DVN | Bureau, Henry, Putnam | 54 min |
| May 30, 4:51 PM CDT | Flash Flood Warning | DVN | Bureau, Henry, Putnam | 3 hr |
| May 30, 5:02 PM CDT | Flash Flood Warning | DVN | McDonough | 3 hr |
| May 30, 5:24 PM CDT | Flash Flood Warning | ILX | Marshall, Woodford | 6 hr |
| May 30, 5:30 PM CDT | Flash Flood Warning | ILX | Tazewell | 6 hr |
| May 30, 5:34 PM CDT | Flash Flood Warning | ILX | Effingham, Shelby | 6 hr |
| May 30, 7:12 PM CDT | Flash Flood Warning | ILX | Clay, Crawford, Richland | 6 hr |
| May 30, 7:16 PM CDT | Flash Flood Warning | LOT | Cook, DuPage, Grundy, Kane, Kankakee, Kendall and 3 more | 119 min |
| May 30, 7:19 PM CDT | Flash Flood Warning | ILX | Jasper, Lawrence | 6 hr |
| May 30, 7:21 PM CDT | Flash Flood Warning | ILX | Champaign, Vermilion | 6 hr |
| May 30, 11:23 PM CDT | Flash Flood Warning | ILX | Effingham | 4 hr |
| Jun 1, 7:50 PM CDT | Flash Flood Warning | PAH | Gallatin, Saline | 3 hr |
| Jun 10, 10:16 PM CDT | Flash Flood Warning | ILX | Vermilion | 6 hr |
| Jun 10, 10:40 PM CDT | Flash Flood Warning | ILX | Champaign | 6 hr |
| Jun 11, 11:25 PM CDT | Flash Flood Warning | LOT | Cook, DuPage, Grundy, Kane, Kendall, Will | 4 hr |
| Jun 12, 12:10 AM CDT | Flash Flood Warning | DVN | Stephenson | 5 hr |
| Jun 12, 2:07 AM CDT | Flash Flood Warning | LOT | Iroquois | 4 hr |
| Jun 12, 2:31 AM CDT | Flash Flood Warning | LOT | Ogle | 3 hr |
| Jun 12, 2:49 AM CDT | Flash Flood Warning | LOT | LaSalle | 3 hr |
| Jun 12, 5:36 AM CDT | Flash Flood Warning | ILX | Vermilion | 6 hr |
| Jun 12, 5:45 AM CDT | Flash Flood Warning | LOT | Iroquois | 4 hr |
| Jun 12, 6:39 AM CDT | Flash Flood Warning | ILX | Edgar | 6 hr |
| Jun 12, 8:44 PM CDT | Flash Flood Warning | ILX | Vermilion | 6 hr |
| Jun 12, 8:50 PM CDT | Flash Flood Warning | LOT | Iroquois | 115 min |
| Jun 15, 9:22 AM CDT | Flash Flood Warning | ILX | Logan | 6 hr |
| Jun 15, 9:30 AM CDT | Flash Flood Warning | ILX | Macon | 6 hr |
| Jun 15, 9:48 AM CDT | Flash Flood Warning | ILX | Christian | 6 hr |
| Jun 15, 10:01 AM CDT | Flash Flood Warning | ILX | Piatt | 6 hr |
| Jun 16, 4:56 PM CDT | Flash Flood Warning | DVN | Stephenson | 9 hr |
| Jun 16, 8:20 PM CDT | Flash Flood Warning | LSX | Madison | 4 hr |
| Jun 16, 9:06 PM CDT | Flash Flood Warning | ILX | Vermilion | 6 hr |
| Jun 16, 9:52 PM CDT | Flash Flood Warning | ILX | Champaign | 4 hr |
| Jun 17, 4:53 PM CDT | Flash Flood Warning | ILX | Crawford, Jasper | 6 hr |
| Jun 18, 5:40 PM CDT | Flash Flood Warning | PAH | Perry | 3 hr |
| Jun 18, 7:29 PM CDT | Flash Flood Warning | PAH | Massac | 3 hr |
| Jul 3, 3:40 PM CDT | Flash Flood Warning | LOT | Cook | 4 hr |
| Jul 5, 10:46 AM CDT | Flash Flood Warning | PAH | Franklin | 119 min |
| Jul 5, 9:30 PM CDT | Flash Flood Warning | LSX | Madison, Saint Clair | 4 hr |
| Jul 6, 1:48 PM CDT | Flash Flood Warning | PAH | Johnson | 117 min |
| Jul 6, 6:52 PM CDT | Flash Flood Warning | LOT | Cook | 3 hr |
| Jul 6, 7:00 PM CDT | Flash Flood Warning | LOT | Kendall, Will | 3 hr |
| Jul 6, 9:21 PM CDT | Flash Flood Warning | PAH | Saline | 3 hr |
| Jul 9, 5:53 PM CDT | Flash Flood Warning | ILX | Vermilion | 4 hr |
| Jul 9, 6:12 PM CDT | Flash Flood Warning | ILX | Knox | 6 hr |
| Jul 9, 6:15 PM CDT | Flash Flood Warning | ILX | Champaign | 4 hr |
| Jul 10, 12:53 AM CDT | Flash Flood Warning | ILX | Champaign, Vermilion | 6 hr |
| Jul 10, 1:18 PM CDT | Flash Flood Warning | ILX | Champaign | 3 hr |
| Jul 11, 3:30 PM CDT | Flash Flood Warning | DVN | Henderson, Warren | 4 hr |
| Jul 11, 8:35 PM CDT | Flash Flood Warning | ILX | Clay | 6 hr |
| Jul 13, 4:02 PM CDT | Flash Flood Warning | ILX | McLean | 3 hr |
| Jul 13, 4:24 PM CDT | Flash Flood Warning | ILX | Champaign | 3 hr |
| Jul 16, 10:55 PM CDT | Flash Flood Warning | PAH | Wabash | 3 hr |
| Jul 17, 12:58 AM CDT | Flash Flood Warning | PAH | Edwards, Wabash | 3 hr |
| Jul 17, 3:56 AM CDT | Flash Flood Warning | PAH | Edwards, Wabash | 3 hr |
| Jul 20, 5:46 PM CDT | Flash Flood Warning | DVN | Jo Daviess | 6 hr |
| Jul 20, 6:24 PM CDT | Flash Flood Warning | LOT | Boone | 3 hr |
| Jul 22, 2:02 PM CDT | Flash Flood Warning | ILX | Richland | 3 hr |
| Jul 22, 2:32 PM CDT | Flash Flood Warning | ILX | Lawrence | 4 hr |
| Jul 22, 3:05 PM CDT | Flash Flood Warning | ILX | Shelby | 6 hr |
| Jul 22, 3:22 PM CDT | Flash Flood Warning | ILX | Clark, Cumberland | 6 hr |
| Jul 22, 3:59 PM CDT | Flash Flood Warning | PAH | Gallatin | 3 hr |
| Jul 22, 4:00 PM CDT | Flash Flood Warning | ILX | Crawford, Jasper | 5 hr |
| Jul 22, 5:45 PM CDT | Flash Flood Warning | PAH | Jefferson, Wayne | 3 hr |
| Jul 22, 6:15 PM CDT | Flash Flood Warning | PAH | White | 4 hr |
| Jul 22, 7:36 PM CDT | Flash Flood Warning | PAH | Pope | 3 hr |
| Aug 23, 2:38 PM CDT | Flash Flood Warning | PAH | Alexander | 3 hr |
| Aug 24, 4:18 PM CDT | Flash Flood Warning | ILX | Vermilion | 6 hr |
| Aug 25, 1:52 PM CDT | Flash Flood Warning | LSX | Adams, Brown, Pike | 4 hr |
| Aug 25, 2:49 PM CDT | Flash Flood Warning | ILX | Schuyler | 6 hr |
| Aug 25, 3:07 PM CDT | Flash Flood Warning | ILX | Cass, Morgan, Scott | 6 hr |
| Aug 25, 3:42 PM CDT | Flash Flood Warning | ILX | Mason | 6 hr |
| Aug 25, 4:30 PM CDT | Flash Flood Warning | ILX | Menard | 6 hr |
| Aug 25, 5:37 PM CDT | Flash Flood Warning | ILX | Logan, Sangamon | 6 hr |
| Aug 25, 5:52 PM CDT | Flash Flood Warning | ILX | DeWitt, McLean, Macon | 6 hr |
| Aug 25, 6:40 PM CDT | Flash Flood Warning | ILX | Christian | 6 hr |
| Aug 25, 6:45 PM CDT | Flash Flood Warning | ILX | Tazewell | 6 hr |
| Aug 25, 7:10 PM CDT | Flash Flood Warning | ILX | Piatt | 6 hr |
| Aug 25, 7:34 PM CDT | Flash Flood Warning | ILX | Champaign | 5 hr |
| Aug 26, 2:13 AM CDT | Flash Flood Warning | PAH | Jefferson | 2 hr |
| Aug 26, 3:42 AM CDT | Flash Flood Warning | LSX | Fayette, Marion | 4 hr |
| Aug 26, 3:44 AM CDT | Flash Flood Warning | PAH | Edwards, Wabash | 91 min |
| Aug 26, 4:01 AM CDT | Flash Flood Warning | ILX | Clay, Effingham | 4 hr |
| Aug 26, 4:25 AM CDT | Flash Flood Warning | PAH | Edwards, Jefferson, Wabash, Wayne | 16 hr |
| Aug 26, 5:09 AM CDT | Flash Flood Warning | PAH | White | 3 hr |
| Aug 26, 5:58 AM CDT | Flash Flood Warning | PAH | Hamilton | 2 hr |
| Aug 26, 7:56 AM CDT | Flash Flood Warning | ILX | Effingham, Jasper | 3 hr |
| Aug 27, 8:46 AM CDT | Flash Flood Warning | LSX | Adams, Brown, Pike | 4 hr |
| Aug 27, 9:04 PM CDT | Flash Flood Warning | LSX | Adams, Brown | 6 hr |
| Aug 27, 10:15 PM CDT | Flash Flood Warning | ILX | Vermilion | 6 hr |
| Aug 28, 12:42 AM CDT | Flash Flood Warning | DVN | Hancock | 8 hr |
| Aug 28, 2:38 AM CDT | Flash Flood Warning | LOT | Cook, Grundy, Kendall, Will | 3 hr |
| Aug 28, 3:17 AM CDT | Flash Flood Warning | LOT | DuPage | 3 hr |
| Aug 28, 2:35 PM CDT | Flash Flood Warning | PAH | White | 3 hr |
| Aug 28, 3:04 PM CDT | Flash Flood Warning | PAH | Perry | 116 min |
| Aug 28, 3:14 PM CDT | Flash Flood Warning | PAH | Franklin, Hamilton, Jefferson, Wayne | 3 hr |
| Aug 28, 3:39 PM CDT | Flash Flood Warning | PAH | Jackson | 3 hr |
| Aug 28, 5:21 PM CDT | Flash Flood Warning | ILX | Clay, Lawrence, Richland | 6 hr |
| Aug 28, 5:37 PM CDT | Flash Flood Warning | ILX | Crawford, Jasper | 6 hr |
| Aug 28, 6:30 PM CDT | Flash Flood Warning | ILX | Vermilion | 6 hr |
| Aug 28, 9:55 PM CDT | Flash Flood Warning | LOT | Iroquois | 4 hr |
| Sep 2, 9:04 PM CDT | Flash Flood Warning | ILX | Lawrence | 6 hr |
| Sep 14, 3:35 PM CDT | Flash Flood Warning | ILX | Champaign | 4 hr |
| Oct 18, 6:57 PM CDT | Flash Flood Warning | PAH | Williamson | 3 hr |
| Oct 18, 7:09 PM CDT | Flash Flood Warning | PAH | Jackson | 96 min |
| Oct 18, 7:41 PM CDT | Flash Flood Warning | PAH | Pope, Saline | 3 hr |
| Oct 18, 9:14 PM CDT | Flash Flood Warning | PAH | Franklin | 2 hr |
| Nov 1, 9:00 PM CST | Flash Flood Warning | PAH | Alexander | 6 hr |
| Nov 1, 9:28 PM CST | Flash Flood Warning | PAH | Johnson, Pulaski, Union | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County14
- Vermilion County11
- Champaign County9
- Jasper County8
- Will County7
- DuPage County7
- White County6
- Kane County6
- Kendall County6
- Clay County6
- Lawrence County6
- Crawford County6
- Effingham County6
- Wabash County6
- Hamilton County5
- Saline County5
- Franklin County5
- Richland County5
- Edwards County5
- Jefferson County5
- Christian County4
- Shelby County4
- McHenry County4
- McLean County4
- Ogle County4
- Wayne County4
- Iroquois County4
- Marion County3
- Jackson County3
- Macon County3
- Piatt County3
- Lake County3
- DeWitt County3
- Peoria County3
- DeKalb County3
- Lee County3
- Jo Daviess County3
- Stephenson County3
- Schuyler County3
- Logan County3
55 more counties
- Gallatin County3
- Madison County3
- Pike County3
- Bureau County3
- Henry County3
- Knox County3
- Tazewell County3
- Putnam County3
- Grundy County3
- Adams County3
- Brown County3
- Williamson County2
- Boone County2
- LaSalle County2
- Cass County2
- Mason County2
- Menard County2
- Monroe County2
- Clark County2
- Cumberland County2
- Fayette County2
- Saint Clair County2
- Stark County2
- Marshall County2
- Woodford County2
- Perry County2
- Johnson County2
- Pope County2
- Alexander County2
- Winnebago County1
- Carroll County1
- Bond County1
- Macoupin County1
- Montgomery County1
- Calhoun County1
- Greene County1
- Coles County1
- Jersey County1
- Clinton County1
- Mercer County1
- Rock Island County1
- Whiteside County1
- Fulton County1
- McDonough County1
- Kankakee County1
- Edgar County1
- Massac County1
- Henderson County1
- Warren County1
- Morgan County1
- Scott County1
- Sangamon County1
- Hancock County1
- Pulaski County1
- Union County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20032005
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.