Alert archive / Illinois / Flash Flood Warnings
Flash Flood Warnings in Illinois, 2022
119 flash flood warnings in 2022. 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 2022. Tap one for its archive.
- Flash Flood Warnings
- 119
- Busiest month
- August45 flash flood warnings
- Busiest day
- August 2, 202219 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 |
|---|---|---|---|---|
| Jan 9, 6:49 AM CST | Flash Flood Warning | PAH | Alexander | 4 hr |
| Feb 17, 10:19 AM CST | Flash Flood Warning | LOT | Grundy, Will | 7 hr |
| Feb 17, 11:56 AM CST | Flash Flood Warning | PAH | Alexander, Pulaski | 6 hr |
| Feb 17, 12:38 PM CST | Flash Flood Warning | PAH | Alexander, Johnson, Massac, Pulaski, Union | 2 hr |
| Feb 17, 4:23 PM CST | Flash Flood Warning | LOT | Grundy, Will | 4 hr |
| Mar 6, 7:23 PM CST | Flash Flood Warning | PAH | Saline | 3 hr |
| May 11, 5:47 PM CDT | Flash Flood Warning | DVN | Bureau, Putnam | 77 min |
| May 13, 5:43 PM CDT | Flash Flood Warning | DVN | Warren | 73 min |
| May 13, 6:23 PM CDT | Flash Flood Warning | LSX | Adams, Brown, Pike | 4 hr |
| May 13, 6:47 PM CDT | Flash Flood Warning | ILX | Schuyler | 3 hr |
| May 13, 7:17 PM CDT | Flash Flood Warning | ILX | Fulton | 3 hr |
| May 13, 7:50 PM CDT | Flash Flood Warning | LOT | Winnebago | 3 hr |
| May 13, 7:59 PM CDT | Flash Flood Warning | LSX | Pike | 118 min |
| May 15, 4:04 PM CDT | Flash Flood Warning | LSX | Clinton | 3 hr |
| May 15, 4:18 PM CDT | Flash Flood Warning | LSX | Clinton, Marion | 3 hr |
| May 26, 12:54 PM CDT | Flash Flood Warning | DVN | McDonough, Warren | 3 hr |
| May 26, 1:52 PM CDT | Flash Flood Warning | ILX | Fulton, Knox | 106 min |
| May 26, 2:21 PM CDT | Flash Flood Warning | DVN | Henry | 58 min |
| May 31, 11:29 PM CDT | Flash Flood Warning | ILX | Fulton, Schuyler | 3 hr |
| May 31, 11:32 PM CDT | Flash Flood Warning | DVN | Hancock, McDonough | 5 hr |
| Jun 1, 3:17 AM CDT | Flash Flood Warning | ILX | Menard, Morgan, Sangamon, Scott | 3 hr |
| Jun 1, 3:51 AM CDT | Flash Flood Warning | ILX | Sangamon | 3 hr |
| Jun 6, 4:11 PM CDT | Flash Flood Warning | ILX | Marshall, Stark | 5 hr |
| Jun 6, 4:12 PM CDT | Flash Flood Warning | DVN | Bureau, Putnam | 5 hr |
| Jun 6, 4:53 PM CDT | Flash Flood Warning | ILX | Knox | 3 hr |
| Jun 17, 3:36 AM CDT | Flash Flood Warning | LSX | Adams, Brown | 3 hr |
| Jun 17, 5:14 AM CDT | Flash Flood Warning | ILX | Morgan, Sangamon, Scott | 4 hr |
| Jun 17, 6:07 AM CDT | Flash Flood Warning | ILX | Cumberland, Effingham, Jasper, Shelby | 4 hr |
| Jun 17, 7:15 AM CDT | Flash Flood Warning | ILX | Crawford, Lawrence | 3 hr |
| Jun 25, 9:54 PM CDT | Flash Flood Warning | ILX | McLean | 101 min |
| Jun 25, 11:25 PM CDT | Flash Flood Warning | ILX | Christian, Morgan, Sangamon | 3 hr |
| Jul 3, 2:12 AM CDT | Flash Flood Warning | PAH | Jackson, Union | 5 hr |
| Jul 4, 1:09 PM CDT | Flash Flood Warning | DVN | Bureau, Henry | 4 hr |
| Jul 4, 11:56 PM CDT | Flash Flood Warning | LOT | Boone, Winnebago | 5 hr |
| Jul 5, 12:15 AM CDT | Flash Flood Warning | LOT | Boone, Cook, DeKalb, Kane, Lake, McHenry | 5 hr |
| Jul 5, 12:21 AM CDT | Flash Flood Warning | LOT | Cook, DuPage | 5 hr |
| Jul 5, 9:04 PM CDT | Flash Flood Warning | DVN | Jo Daviess, Stephenson | 5 hr |
| Jul 5, 9:59 PM CDT | Flash Flood Warning | LOT | Boone, DeKalb, Kane, McHenry, Winnebago | 5 hr |
| Jul 8, 4:44 AM CDT | Flash Flood Warning | ILX | Cass, Mason, Schuyler | 3 hr |
| Jul 8, 5:53 AM CDT | Flash Flood Warning | ILX | Cass, Logan, Menard, Morgan, Sangamon | 3 hr |
| Jul 8, 8:05 AM CDT | Flash Flood Warning | ILX | Clark, Crawford | 3 hr |
| Jul 8, 8:27 AM CDT | Flash Flood Warning | ILX | Coles, Cumberland, Shelby | 3 hr |
| Jul 8, 3:44 PM CDT | Flash Flood Warning | ILX | Fulton, Knox | 3 hr |
| Jul 15, 10:25 AM CDT | Flash Flood Warning | DVN | Carroll, Jo Daviess | 2 hr |
| Jul 17, 4:40 AM CDT | Flash Flood Warning | LSX | Clinton, Marion | 4 hr |
| Jul 17, 7:07 AM CDT | Flash Flood Warning | ILX | Effingham | 3 hr |
| Jul 17, 9:10 AM CDT | Flash Flood Warning | ILX | Clay, Effingham, Jasper | 3 hr |
| Jul 23, 2:30 AM CDT | Flash Flood Warning | LOT | Lake, McHenry | 6 hr |
| Jul 23, 5:35 AM CDT | Flash Flood Warning | LOT | Lake | 5 hr |
| Jul 23, 9:12 AM CDT | Flash Flood Warning | LOT | Iroquois | 3 hr |
| Jul 23, 12:23 PM CDT | Flash Flood Warning | LOT | Iroquois | 6 hr |
| Jul 23, 2:37 PM CDT | Flash Flood Warning | ILX | McLean | 3 hr |
| Jul 23, 2:41 PM CDT | Flash Flood Warning | LOT | Ford | 3 hr |
| Jul 23, 3:28 PM CDT | Flash Flood Warning | LOT | Livingston | 2 hr |
| Jul 23, 3:42 PM CDT | Flash Flood Warning | ILX | Champaign | 50 min |
| Jul 24, 9:44 PM CDT | Flash Flood Warning | ILX | Lawrence | 3 hr |
| Jul 26, 2:47 AM CDT | Flash Flood Warning | LSX | Madison, Monroe, Saint Clair | 8 hr |
| Jul 26, 3:15 AM CDT | Flash Flood Warning | LSX | Bond, Fayette, Marion, Montgomery | 6 hr |
| Jul 26, 4:19 AM CDT | Flash Flood Warning | LSX | Clinton, Washington | 6 hr |
| Jul 26, 5:32 AM CDT | Flash Flood Warning | PAH | Edwards, Hamilton, Jefferson, Wayne, White | 6 hr |
| Jul 26, 6:41 AM CDT | Flash Flood Warning | LSX | Macoupin, Madison, Montgomery | 3 hr |
| Jul 27, 7:16 AM CDT | Flash Flood Warning | PAH | Hamilton, Saline, White | 73 min |
| Jul 28, 2:52 PM CDT | Flash Flood Warning | LSX | Madison, Saint Clair | 3 hr |
| Jul 28, 3:21 PM CDT | Flash Flood Warning | LSX | Madison, Monroe, Saint Clair | 4 hr |
| Jul 28, 4:30 PM CDT | Flash Flood Warning | LSX | Clinton, Madison, Marion, Saint Clair, Washington | 3 hr |
| Aug 1, 4:53 PM CDT | Flash Flood Warning | ILX | Jasper, Richland | 10 hr |
| Aug 1, 6:46 PM CDT | Flash Flood Warning | ILX | Crawford, Lawrence | 6 hr |
| Aug 1, 9:20 PM CDT | Flash Flood Warning | ILX | Crawford, Jasper | 4 hr |
| Aug 1, 9:58 PM CDT | Flash Flood Warning | ILX | Clay, Richland | 6 hr |
| Aug 1, 11:06 PM CDT | Flash Flood Warning | ILX | Effingham | 4 hr |
| Aug 1, 11:53 PM CDT | Flash Flood Warning | PAH | Edwards, Wabash, Wayne | 4 hr |
| Aug 2, 12:56 AM CDT | Flash Flood Warning | LSX | Marion | 3 hr |
| Aug 2, 3:16 AM CDT | Flash Flood Warning | ILX | Sangamon | 3 hr |
| Aug 2, 4:54 AM CDT | Flash Flood Warning | ILX | Christian, Coles, Cumberland, Shelby | 8 hr |
| Aug 2, 5:52 AM CDT | Flash Flood Warning | ILX | Crawford, Cumberland, Effingham, Jasper, Shelby | 6 hr |
| Aug 2, 6:23 AM CDT | Flash Flood Warning | ILX | Clay, Lawrence, Richland | 6 hr |
| Aug 2, 6:59 AM CDT | Flash Flood Warning | PAH | Edwards, Wabash, Wayne | 3 hr |
| Aug 2, 7:04 AM CDT | Flash Flood Warning | ILX | Christian, Macon, Sangamon, Shelby | 6 hr |
| Aug 2, 7:25 AM CDT | Flash Flood Warning | ILX | DeWitt, Logan, McLean, Tazewell | 4 hr |
| Aug 2, 7:25 AM CDT | Flash Flood Warning | PAH | White | 3 hr |
| Aug 2, 8:16 AM CDT | Flash Flood Warning | ILX | Peoria, Tazewell, Woodford | 2 hr |
| Aug 2, 8:38 AM CDT | Flash Flood Warning | ILX | Tazewell, Woodford | 116 min |
| Aug 2, 8:38 AM CDT | Flash Flood Warning | LSX | Fayette | 80 min |
| Aug 2, 9:24 AM CDT | Flash Flood Warning | ILX | Logan, Macon, Moultrie, Piatt, Shelby | 3 hr |
| Aug 2, 9:43 AM CDT | Flash Flood Warning | ILX | Christian, Logan, Macon, Mason, Menard, Sangamon | 3 hr |
| Aug 2, 10:12 AM CDT | Flash Flood Warning | ILX | Coles, Moultrie, Shelby | 3 hr |
| Aug 3, 7:28 PM CDT | Flash Flood Warning | ILX | Clay, Effingham, Jasper, Lawrence, Richland | 3 hr |
| Aug 3, 11:12 PM CDT | Flash Flood Warning | LSX | Monroe, Saint Clair | 4 hr |
| Aug 4, 12:32 AM CDT | Flash Flood Warning | LSX | Clinton | 4 hr |
| Aug 4, 12:53 AM CDT | Flash Flood Warning | LSX | Monroe, Randolph | 4 hr |
| Aug 4, 10:44 AM CDT | Flash Flood Warning | PAH | Franklin, Williamson | 4 hr |
| Aug 5, 5:36 AM CDT | Flash Flood Warning | PAH | Franklin, Jackson, Jefferson, Perry | 3 hr |
| Aug 7, 5:09 AM CDT | Flash Flood Warning | DVN | Jo Daviess, Stephenson | 6 hr |
| Aug 7, 11:54 AM CDT | Flash Flood Warning | LOT | Cook, Will | 3 hr |
| Aug 8, 3:43 AM CDT | Flash Flood Warning | DVN | Carroll, Jo Daviess, Stephenson | 6 hr |
| Aug 8, 3:57 AM CDT | Flash Flood Warning | LOT | Boone, Winnebago | 4 hr |
| Aug 8, 6:01 AM CDT | Flash Flood Warning | LOT | DeKalb, Ogle | 4 hr |
| Aug 8, 7:06 AM CDT | Flash Flood Warning | LOT | DeKalb, Lee, Ogle | 3 hr |
| Aug 8, 7:55 PM CDT | Flash Flood Warning | ILX | Cumberland, Effingham, Jasper, Shelby | 2 hr |
| Aug 8, 8:55 PM CDT | Flash Flood Warning | ILX | Crawford, Jasper | 85 min |
| Aug 19, 9:00 PM CDT | Flash Flood Warning | DVN | Carroll | 8 hr |
| Aug 19, 9:21 PM CDT | Flash Flood Warning | LOT | Ogle | 3 hr |
| Aug 20, 3:35 PM CDT | Flash Flood Warning | ILX | Tazewell, Woodford | 3 hr |
| Aug 29, 8:50 AM CDT | Flash Flood Warning | PAH | Jefferson | 6 hr |
| Aug 29, 7:14 PM CDT | Flash Flood Warning | ILX | Cass, Menard, Sangamon | 3 hr |
| Aug 29, 7:33 PM CDT | Flash Flood Warning | ILX | Champaign, Vermilion | 4 hr |
| Aug 29, 9:17 PM CDT | Flash Flood Warning | ILX | Morgan, Sangamon | 3 hr |
| Aug 29, 10:07 PM CDT | Flash Flood Warning | ILX | Coles, Moultrie, Shelby | 3 hr |
| Aug 29, 10:22 PM CDT | Flash Flood Warning | ILX | Clark, Edgar | 3 hr |
| Aug 29, 10:51 PM CDT | Flash Flood Warning | ILX | Champaign, Vermilion | 3 hr |
| Sep 3, 7:50 PM CDT | Flash Flood Warning | DVN | Henderson | 111 min |
| Sep 3, 11:18 PM CDT | Flash Flood Warning | ILX | Macon | 3 hr |
| Sep 4, 4:24 AM CDT | Flash Flood Warning | LSX | Bond, Clinton | 3 hr |
| Sep 4, 7:20 AM CDT | Flash Flood Warning | PAH | Jefferson | 3 hr |
| Sep 4, 9:06 AM CDT | Flash Flood Warning | LSX | Montgomery | 5 hr |
| Sep 4, 3:07 PM CDT | Flash Flood Warning | ILX | Macon | 3 hr |
| Sep 11, 9:11 AM CDT | Flash Flood Warning | LOT | Cook, DuPage, Will | 3 hr |
| Sep 19, 5:19 AM CDT | Flash Flood Warning | ILX | Christian, Menard, Sangamon | 2 hr |
| Sep 21, 10:35 AM CDT | Flash Flood Warning | DVN | Hancock | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Sangamon County11
- Shelby County9
- Jasper County8
- Clinton County7
- Effingham County7
- Crawford County6
- Marion County5
- Menard County5
- Morgan County5
- Cumberland County5
- Lawrence County5
- Christian County5
- Madison County5
- Saint Clair County5
- Macon County5
- Will County4
- Fulton County4
- Winnebago County4
- Boone County4
- Cook County4
- DeKalb County4
- Jo Daviess County4
- Logan County4
- Coles County4
- Clay County4
- Monroe County4
- Jefferson County4
- Richland County4
- Tazewell County4
- Alexander County3
- Bureau County3
- Schuyler County3
- Knox County3
- McLean County3
- Lake County3
- McHenry County3
- Stephenson County3
- Cass County3
- Carroll County3
- Champaign County3
49 more counties
- Montgomery County3
- Edwards County3
- Wayne County3
- White County3
- Woodford County3
- Moultrie County3
- Ogle County3
- Grundy County2
- Pulaski County2
- Union County2
- Saline County2
- Putnam County2
- Warren County2
- Adams County2
- Brown County2
- Pike County2
- McDonough County2
- Henry County2
- Hancock County2
- Scott County2
- Jackson County2
- Kane County2
- DuPage County2
- Mason County2
- Clark County2
- Iroquois County2
- Bond County2
- Fayette County2
- Washington County2
- Hamilton County2
- Wabash County2
- Franklin County2
- Vermilion County2
- Johnson County1
- Massac County1
- Marshall County1
- Stark County1
- Ford County1
- Livingston County1
- Macoupin County1
- DeWitt County1
- Peoria County1
- Piatt County1
- Randolph County1
- Williamson County1
- Perry County1
- Lee County1
- Edgar County1
- Henderson County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20212023
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.