Alert archive / Illinois / Flash Flood Warnings
Flash Flood Warnings in Illinois, 2016
115 flash flood warnings in 2016. 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 2016. Tap one for its archive.
- Flash Flood Warnings
- 115
- Busiest month
- August44 flash flood warnings
- Busiest day
- August 15, 20168 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 |
|---|---|---|---|---|
| Feb 2, 6:19 PM CST | Flash Flood Warning | ILX | Champaign, Piatt | 3 hr |
| Feb 20, 9:22 PM CST | Flash Flood Warning | LSX | Monroe, Saint Clair | 4 hr |
| Mar 9, 6:23 PM CST | Flash Flood Warning | PAH | Massac, Pope | 12 hr |
| Apr 26, 4:08 PM CDT | Flash Flood Warning | ILX | Coles, Moultrie | 3 hr |
| Apr 26, 4:20 PM CDT | Flash Flood Warning | ILX | Edgar | 3 hr |
| May 11, 3:52 PM CDT | Flash Flood Warning | LSX | Clinton, Monroe, Randolph, Saint Clair, Washington | 4 hr |
| May 11, 5:02 PM CDT | Flash Flood Warning | ILX | Effingham | 3 hr |
| May 11, 5:26 PM CDT | Flash Flood Warning | LSX | Randolph | 4 hr |
| May 11, 7:18 PM CDT | Flash Flood Warning | PAH | Franklin, Hamilton, Saline, Williamson | 3 hr |
| May 11, 8:20 PM CDT | Flash Flood Warning | PAH | Hardin, Johnson, Pope | 3 hr |
| May 11, 9:18 PM CDT | Flash Flood Warning | LSX | Monroe, Randolph | 6 hr |
| May 11, 10:51 PM CDT | Flash Flood Warning | PAH | Perry | 3 hr |
| May 11, 11:19 PM CDT | Flash Flood Warning | PAH | Jackson | 3 hr |
| May 11, 11:24 PM CDT | Flash Flood Warning | LOT | Lee | 6 hr |
| May 11, 11:33 PM CDT | Flash Flood Warning | PAH | White | 3 hr |
| May 26, 12:29 PM CDT | Flash Flood Warning | PAH | Johnson, Union | 3 hr |
| May 26, 1:17 PM CDT | Flash Flood Warning | PAH | Alexander, Pulaski | 3 hr |
| May 26, 1:46 PM CDT | Flash Flood Warning | PAH | Massac | 3 hr |
| May 28, 8:24 PM CDT | Flash Flood Warning | ILX | Mason | 3 hr |
| May 31, 5:15 PM CDT | Flash Flood Warning | ILX | Champaign | 3 hr |
| Jun 4, 10:08 AM CDT | Flash Flood Warning | LSX | Montgomery | 3 hr |
| Jun 14, 4:32 PM CDT | Flash Flood Warning | DVN | Bureau, Henry, Whiteside | 6 hr |
| Jun 14, 8:24 PM CDT | Flash Flood Warning | DVN | Jo Daviess | 6 hr |
| Jun 14, 11:54 PM CDT | Flash Flood Warning | DVN | Stephenson | 4 hr |
| Jun 15, 1:43 AM CDT | Flash Flood Warning | DVN | Bureau | 4 hr |
| Jun 22, 8:52 PM CDT | Flash Flood Warning | LOT | Grundy, Kendall, LaSalle | 5 hr |
| Jun 26, 8:34 PM CDT | Flash Flood Warning | ILX | Lawrence | 116 min |
| Jul 6, 9:40 PM CDT | Flash Flood Warning | PAH | Gallatin, Saline, Williamson | 3 hr |
| Jul 6, 10:30 PM CDT | Flash Flood Warning | PAH | Hardin, Pope | 7 hr |
| Jul 6, 10:51 PM CDT | Flash Flood Warning | PAH | Jackson, Johnson | 3 hr |
| Jul 7, 1:16 AM CDT | Flash Flood Warning | PAH | Massac | 7 hr |
| Jul 13, 4:30 PM CDT | Flash Flood Warning | ILX | Knox | 4 hr |
| Jul 13, 5:10 PM CDT | Flash Flood Warning | ILX | Clark, Edgar | 4 hr |
| Jul 15, 3:13 PM CDT | Flash Flood Warning | PAH | White | 2 hr |
| Jul 15, 4:18 PM CDT | Flash Flood Warning | PAH | Gallatin | 87 min |
| Jul 18, 12:53 AM CDT | Flash Flood Warning | LOT | Ford, Iroquois, Kankakee, Livingston | 5 hr |
| Jul 18, 2:30 AM CDT | Flash Flood Warning | LOT | Grundy, LaSalle, Livingston | 4 hr |
| Jul 18, 12:21 PM CDT | Flash Flood Warning | ILX | Jasper | 4 hr |
| Jul 19, 4:16 PM CDT | Flash Flood Warning | DVN | McDonough | 6 hr |
| Jul 19, 6:11 PM CDT | Flash Flood Warning | LSX | Brown, Pike | 3 hr |
| Jul 20, 5:09 AM CDT | Flash Flood Warning | DVN | Henderson | 6 hr |
| Jul 20, 6:43 AM CDT | Flash Flood Warning | LSX | Madison, Saint Clair | 4 hr |
| Jul 20, 6:58 AM CDT | Flash Flood Warning | DVN | Henderson, McDonough, Warren | 6 hr |
| Jul 20, 7:09 AM CDT | Flash Flood Warning | LSX | Greene, Jersey | 4 hr |
| Jul 20, 7:39 AM CDT | Flash Flood Warning | LSX | Macoupin, Madison | 4 hr |
| Jul 20, 11:14 AM CDT | Flash Flood Warning | ILX | Morgan | 3 hr |
| Jul 20, 11:19 AM CDT | Flash Flood Warning | ILX | Cass, Mason, Schuyler | 3 hr |
| Jul 21, 8:19 PM CDT | Flash Flood Warning | LOT | Boone, Winnebago | 4 hr |
| Jul 23, 5:00 PM CDT | Flash Flood Warning | LOT | Boone, McHenry, Winnebago | 6 hr |
| Jul 24, 6:28 PM CDT | Flash Flood Warning | LOT | Cook | 4 hr |
| Jul 24, 9:24 PM CDT | Flash Flood Warning | ILX | McLean | 3 hr |
| Jul 24, 10:34 PM CDT | Flash Flood Warning | ILX | Fulton | 3 hr |
| Jul 24, 11:28 PM CDT | Flash Flood Warning | LSX | Greene, Macoupin | 7 hr |
| Jul 25, 3:49 PM CDT | Flash Flood Warning | PAH | Edwards, Wayne | 116 min |
| Jul 26, 5:47 AM CDT | Flash Flood Warning | ILX | Effingham | 4 hr |
| Jul 26, 7:07 AM CDT | Flash Flood Warning | ILX | Clark, Cumberland, Effingham, Jasper | 3 hr |
| Jul 28, 6:57 AM CDT | Flash Flood Warning | ILX | DeWitt, McLean | 3 hr |
| Jul 29, 2:17 PM CDT | Flash Flood Warning | LOT | DeKalb, Ogle | 3 hr |
| Jul 29, 2:20 PM CDT | Flash Flood Warning | LOT | Cook, DeKalb, DuPage, Kane, Will | 6 hr |
| Jul 29, 4:44 PM CDT | Flash Flood Warning | LOT | Cook | 6 hr |
| Jul 29, 6:06 PM CDT | Flash Flood Warning | DVN | Whiteside | 6 hr |
| Jul 29, 11:43 PM CDT | Flash Flood Warning | PAH | Perry | 3 hr |
| Aug 1, 2:51 PM CDT | Flash Flood Warning | PAH | Massac, Pope | 3 hr |
| Aug 3, 10:14 AM CDT | Flash Flood Warning | PAH | Gallatin, Hardin, Johnson, Pope, Saline, Williamson | 3 hr |
| Aug 5, 4:50 PM CDT | Flash Flood Warning | PAH | Massac | 115 min |
| Aug 5, 5:05 PM CDT | Flash Flood Warning | PAH | Alexander | 115 min |
| Aug 12, 4:34 PM CDT | Flash Flood Warning | ILX | Logan, McLean, Mason, Tazewell, Woodford | 3 hr |
| Aug 12, 5:18 PM CDT | Flash Flood Warning | LOT | Grundy, LaSalle, Livingston | 6 hr |
| Aug 12, 5:51 PM CDT | Flash Flood Warning | LOT | Cook, Grundy, Kendall, Will | 6 hr |
| Aug 12, 5:58 PM CDT | Flash Flood Warning | ILX | Logan, Mason, Menard, Tazewell | 3 hr |
| Aug 12, 6:17 PM CDT | Flash Flood Warning | LSX | Calhoun, Greene, Pike | 4 hr |
| Aug 12, 6:58 PM CDT | Flash Flood Warning | ILX | Menard, Sangamon | 3 hr |
| Aug 12, 7:31 PM CDT | Flash Flood Warning | ILX | Logan, Mason, Tazewell | 3 hr |
| Aug 13, 8:50 AM CDT | Flash Flood Warning | PAH | Franklin, Jackson, Union, Williamson | 3 hr |
| Aug 13, 10:27 AM CDT | Flash Flood Warning | PAH | Edwards, Franklin, Hamilton, Wabash, Wayne, White | 3 hr |
| Aug 13, 11:45 AM CDT | Flash Flood Warning | PAH | Franklin, Jackson, Johnson, Union, Williamson | 8 hr |
| Aug 13, 12:36 PM CDT | Flash Flood Warning | ILX | Clay | 4 hr |
| Aug 13, 2:10 PM CDT | Flash Flood Warning | PAH | Franklin, Jackson, Jefferson, Perry, Wayne | 5 hr |
| Aug 14, 4:09 AM CDT | Flash Flood Warning | PAH | Jefferson, Wayne | 4 hr |
| Aug 14, 6:12 AM CDT | Flash Flood Warning | ILX | Clay, Crawford, Lawrence, Richland | 4 hr |
| Aug 14, 9:59 PM CDT | Flash Flood Warning | PAH | Jefferson, Perry, Wayne | 3 hr |
| Aug 14, 10:30 PM CDT | Flash Flood Warning | PAH | Franklin, Jefferson, Williamson | 3 hr |
| Aug 15, 4:04 AM CDT | Flash Flood Warning | LSX | Madison, Saint Clair | 6 hr |
| Aug 15, 5:03 AM CDT | Flash Flood Warning | LSX | Monroe, Saint Clair | 6 hr |
| Aug 15, 5:50 AM CDT | Flash Flood Warning | LSX | Madison, Saint Clair | 5 hr |
| Aug 15, 5:51 AM CDT | Flash Flood Warning | PAH | Hamilton, Wayne, White | 3 hr |
| Aug 15, 6:59 AM CDT | Flash Flood Warning | LSX | Bond, Montgomery | 5 hr |
| Aug 15, 5:06 PM CDT | Flash Flood Warning | LOT | Iroquois, Kankakee | 4 hr |
| Aug 17, 7:11 AM CDT | Flash Flood Warning | PAH | Alexander, Massac, Pope, Pulaski | 3 hr |
| Aug 18, 3:20 AM CDT | Flash Flood Warning | LOT | Lee, Ogle | 6 hr |
| Aug 18, 4:22 PM CDT | Flash Flood Warning | LOT | Iroquois | 5 hr |
| Aug 18, 7:01 PM CDT | Flash Flood Warning | LOT | Ford, Iroquois, Livingston | 4 hr |
| Aug 18, 8:08 PM CDT | Flash Flood Warning | ILX | Champaign, Vermilion | 3 hr |
| Aug 26, 2:54 PM CDT | Flash Flood Warning | ILX | Coles, Edgar | 3 hr |
| Aug 26, 10:06 PM CDT | Flash Flood Warning | LSX | Adams | 8 hr |
| Aug 27, 8:06 PM CDT | Flash Flood Warning | ILX | Macon, Piatt | 6 hr |
| Aug 28, 5:30 AM CDT | Flash Flood Warning | ILX | Sangamon | 5 hr |
| Aug 28, 10:05 AM CDT | Flash Flood Warning | LSX | Adams, Brown, Pike | 4 hr |
| Aug 28, 1:34 PM CDT | Flash Flood Warning | LOT | Ford, Grundy, Kankakee, LaSalle, Livingston, Will | 6 hr |
| Aug 28, 3:13 PM CDT | Flash Flood Warning | LOT | Livingston | 8 hr |
| Aug 28, 3:31 PM CDT | Flash Flood Warning | ILX | Marshall, Peoria, Stark | 3 hr |
| Aug 28, 5:23 PM CDT | Flash Flood Warning | DVN | Henry, Whiteside | 6 hr |
| Aug 29, 3:00 PM CDT | Flash Flood Warning | LOT | Cook, DuPage, Kane, Lake | 6 hr |
| Aug 29, 5:08 PM CDT | Flash Flood Warning | LOT | Boone, DeKalb, McHenry | 6 hr |
| Aug 29, 5:45 PM CDT | Flash Flood Warning | LOT | Winnebago | 6 hr |
| Aug 30, 9:34 AM CDT | Flash Flood Warning | ILX | Tazewell | 3 hr |
| Sep 7, 6:35 PM CDT | Flash Flood Warning | ILX | Cass, Fulton, Mason, Schuyler | 3 hr |
| Sep 7, 8:36 PM CDT | Flash Flood Warning | DVN | Henderson, Warren | 6 hr |
| Sep 9, 5:59 PM CDT | Flash Flood Warning | ILX | Champaign | 3 hr |
| Sep 9, 6:37 PM CDT | Flash Flood Warning | ILX | Vermilion | 3 hr |
| Sep 9, 8:10 PM CDT | Flash Flood Warning | LSX | Clinton, Washington | 4 hr |
| Sep 10, 4:19 AM CDT | Flash Flood Warning | LSX | Madison, Monroe, Saint Clair | 6 hr |
| Sep 10, 5:35 AM CDT | Flash Flood Warning | ILX | Christian, Shelby | 4 hr |
| Sep 10, 7:22 AM CDT | Flash Flood Warning | ILX | Champaign, Vermilion | 4 hr |
| Oct 19, 11:39 PM CDT | Flash Flood Warning | LSX | Monroe | 8 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saint Clair County7
- Monroe County6
- Massac County6
- Pope County6
- Franklin County6
- Williamson County6
- Mason County6
- Livingston County6
- Wayne County6
- Champaign County5
- Johnson County5
- Jackson County5
- Grundy County5
- Madison County5
- Cook County5
- Perry County4
- White County4
- LaSalle County4
- Iroquois County4
- Tazewell County4
- Jefferson County4
- Edgar County3
- Randolph County3
- Effingham County3
- Hamilton County3
- Saline County3
- Hardin County3
- Union County3
- Alexander County3
- Whiteside County3
- Gallatin County3
- Ford County3
- Kankakee County3
- Pike County3
- Henderson County3
- Greene County3
- Boone County3
- Winnebago County3
- McLean County3
- DeKalb County3
53 more counties
- Will County3
- Logan County3
- Vermilion County3
- Piatt County2
- Coles County2
- Clinton County2
- Washington County2
- Lee County2
- Pulaski County2
- Montgomery County2
- Bureau County2
- Henry County2
- Kendall County2
- Lawrence County2
- Clark County2
- Jasper County2
- McDonough County2
- Brown County2
- Warren County2
- Macoupin County2
- Cass County2
- Schuyler County2
- McHenry County2
- Fulton County2
- Edwards County2
- Ogle County2
- DuPage County2
- Kane County2
- Menard County2
- Sangamon County2
- Clay County2
- Adams County2
- Moultrie County1
- Jo Daviess County1
- Stephenson County1
- Knox County1
- Jersey County1
- Morgan County1
- Cumberland County1
- DeWitt County1
- Woodford County1
- Calhoun County1
- Wabash County1
- Crawford County1
- Richland County1
- Bond County1
- Macon County1
- Marshall County1
- Peoria County1
- Stark County1
- Lake County1
- Christian County1
- Shelby County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20152017
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.