Alert archive / Illinois / Areal Flood Advisories
Areal Flood Advisories in Illinois, 2020
117 areal flood advisories in 2020. 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 areal flood advisories reaches back to 2005.
Areal Flood Advisories by county
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Areal Flood Advisories
- 117
- Busiest month
- June32 areal flood advisories
- Busiest day
- May 17, 202010 areal flood advisories
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 11, 2:28 AM CST | Areal Flood Advisory | LSX | Monroe, Randolph | 11 hr |
| Jan 11, 3:43 AM CST | Areal Flood Advisory | PAH | Franklin, Gallatin, Hamilton, Jefferson, Saline, Wayne and 1 more | 6 hr |
| Jan 11, 3:52 AM CST | Areal Flood Advisory | PAH | Alexander, Johnson, Pulaski | 6 hr |
| Feb 4, 7:47 AM CST | Areal Flood Advisory | PAH | Alexander, Massac, Pope, Pulaski | 3 hr |
| Mar 2, 5:16 AM CST | Areal Flood Advisory | PAH | Alexander, Pulaski | 3 hr |
| Mar 12, 1:46 PM CDT | Areal Flood Advisory | PAH | Franklin, Hamilton, Jackson, Jefferson, Perry, Wayne and 1 more | 2 hr |
| Mar 12, 2:29 PM CDT | Areal Flood Advisory | PAH | Gallatin, Hamilton, Hardin, Johnson, Massac, Pope and 3 more | 3 hr |
| Mar 19, 10:18 AM CDT | Areal Flood Advisory | PAH | Edwards, Hamilton, Jefferson, Wabash, Wayne, White | 3 hr |
| Mar 28, 12:52 AM CDT | Areal Flood Advisory | LOT | DeKalb, Kane, Lee, Ogle | 4 hr |
| Mar 28, 5:59 PM CDT | Areal Flood Advisory | PAH | Alexander, Pulaski, Union | 2 hr |
| Apr 7, 9:13 PM CDT | Areal Flood Advisory | LOT | Cook | 3 hr |
| Apr 8, 8:57 PM CDT | Areal Flood Advisory | PAH | Alexander, Massac, Pulaski, Union | 3 hr |
| Apr 25, 3:37 PM CDT | Areal Flood Advisory | PAH | Gallatin, Hamilton, White | 3 hr |
| Apr 29, 8:48 PM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Ford, Grundy, Iroquois, Kane and 7 more | 7 hr |
| Apr 30, 3:48 AM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Grundy, Kane, Kankakee, Kendall and 3 more | 6 hr |
| May 14, 8:32 PM CDT | Areal Flood Advisory | LOT | Ford, Grundy, Iroquois, Kankakee, LaSalle, Livingston | 4 hr |
| May 14, 10:47 PM CDT | Areal Flood Advisory | LOT | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 7 more | 4 hr |
| May 14, 10:58 PM CDT | Areal Flood Advisory | LOT | Iroquois | 5 hr |
| May 15, 12:04 AM CDT | Areal Flood Advisory | LOT | Lake | 3 hr |
| May 15, 1:35 AM CDT | Areal Flood Advisory | LOT | Grundy, Kankakee, Kendall, LaSalle, Will | 115 min |
| May 15, 10:41 AM CDT | Areal Flood Advisory | LOT | Cook, DeKalb, DuPage, Kane, Kendall, Lake and 4 more | 6 hr |
| May 16, 3:06 PM CDT | Areal Flood Advisory | LSX | Madison | 4 hr |
| May 16, 4:35 PM CDT | Areal Flood Advisory | LSX | Macoupin | 3 hr |
| May 16, 4:46 PM CDT | Areal Flood Advisory | PAH | White | 119 min |
| May 17, 1:36 AM CDT | Areal Flood Advisory | LSX | Calhoun, Jersey, Macoupin, Madison, Saint Clair | 6 hr |
| May 17, 3:32 AM CDT | Areal Flood Advisory | LSX | Calhoun, Greene, Jersey, Macoupin | 12 hr |
| May 17, 2:04 PM CDT | Areal Flood Advisory | LOT | Boone, DeKalb, Kane, Kendall, Lake, LaSalle and 3 more | 6 hr |
| May 17, 2:14 PM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Ford, Grundy, Iroquois, Kankakee and 4 more | 3 hr |
| May 17, 3:29 PM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Grundy, Kane, Kendall, Lake and 3 more | 94 min |
| May 17, 3:29 PM CDT | Areal Flood Advisory | LSX | Calhoun, Greene, Jersey, Macoupin | 6 hr |
| May 17, 4:50 PM CDT | Areal Flood Advisory | PAH | Hamilton, Wayne | 115 min |
| May 17, 5:03 PM CDT | Areal Flood Advisory | PAH | White | 117 min |
| May 17, 5:22 PM CDT | Areal Flood Advisory | PAH | Edwards, White | 113 min |
| May 17, 5:43 PM CDT | Areal Flood Advisory | LOT | Ford, Iroquois, Kankakee | 3 hr |
| May 23, 4:37 PM CDT | Areal Flood Advisory | LOT | Cook | 3 hr |
| May 23, 6:48 PM CDT | Areal Flood Advisory | LOT | Boone, DeKalb, Kane, McHenry | 3 hr |
| May 23, 7:37 PM CDT | Areal Flood Advisory | LOT | Cook, Lake | 3 hr |
| May 24, 8:19 PM CDT | Areal Flood Advisory | LSX | Adams | 3 hr |
| May 24, 8:23 PM CDT | Areal Flood Advisory | PAH | Jackson, Perry, Union | 7 hr |
| May 28, 12:24 PM CDT | Areal Flood Advisory | PAH | Jefferson, Wayne | 3 hr |
| Jun 4, 1:17 AM CDT | Areal Flood Advisory | LOT | Ford | 3 hr |
| Jun 9, 10:36 AM CDT | Areal Flood Advisory | PAH | Massac, Pope | 4 hr |
| Jun 9, 11:23 AM CDT | Areal Flood Advisory | PAH | Pope | 4 hr |
| Jun 9, 12:23 PM CDT | Areal Flood Advisory | PAH | Johnson | 2 hr |
| Jun 10, 9:35 AM CDT | Areal Flood Advisory | LOT | Cook | 115 min |
| Jun 21, 1:40 AM CDT | Areal Flood Advisory | LSX | Saint Clair | 4 hr |
| Jun 21, 3:26 AM CDT | Areal Flood Advisory | LSX | Madison | 3 hr |
| Jun 21, 2:40 PM CDT | Areal Flood Advisory | LOT | Cook | 2 hr |
| Jun 22, 3:43 PM CDT | Areal Flood Advisory | LOT | Will | 2 hr |
| Jun 22, 6:00 PM CDT | Areal Flood Advisory | LOT | Ford, Iroquois | 3 hr |
| Jun 22, 6:53 PM CDT | Areal Flood Advisory | LOT | Grundy, LaSalle, Livingston, Will | 3 hr |
| Jun 22, 7:49 PM CDT | Areal Flood Advisory | LOT | Cook | 3 hr |
| Jun 26, 6:41 PM CDT | Areal Flood Advisory | LOT | Cook, DeKalb, DuPage, Kane, Lake | 3 hr |
| Jun 26, 7:52 PM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Kane, Kendall, Will | 3 hr |
| Jun 26, 10:37 PM CDT | Areal Flood Advisory | LOT | Grundy, Iroquois, Kankakee, LaSalle, Livingston, Will | 3 hr |
| Jun 27, 5:37 AM CDT | Areal Flood Advisory | LOT | Iroquois | 3 hr |
| Jun 27, 6:10 PM CDT | Areal Flood Advisory | LOT | Iroquois | 2 hr |
| Jun 27, 8:43 PM CDT | Areal Flood Advisory | LOT | Lee | 52 min |
| Jun 27, 9:00 PM CDT | Areal Flood Advisory | ILX | Champaign, Vermilion | 3 hr |
| Jun 27, 9:07 PM CDT | Areal Flood Advisory | LOT | Ford, Iroquois, Livingston | 3 hr |
| Jun 28, 12:02 AM CDT | Areal Flood Advisory | PAH | Union | 118 min |
| Jun 28, 12:50 AM CDT | Areal Flood Advisory | PAH | Johnson, Pope, Saline | 3 hr |
| Jun 28, 2:50 AM CDT | Areal Flood Advisory | PAH | Pope | 3 hr |
| Jun 28, 5:09 AM CDT | Areal Flood Advisory | PAH | Gallatin, White | 2 hr |
| Jun 29, 3:33 PM CDT | Areal Flood Advisory | LOT | Boone, Cook, Kane, Lake, McHenry, Ogle and 1 more | 3 hr |
| Jun 29, 4:31 PM CDT | Areal Flood Advisory | LOT | Cook, Lake | 119 min |
| Jun 29, 5:00 PM CDT | Areal Flood Advisory | LOT | DeKalb, Kane, Ogle | 2 hr |
| Jun 29, 5:26 PM CDT | Areal Flood Advisory | LOT | Kankakee, Will | 2 hr |
| Jun 29, 6:30 PM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Kane, Lake, McHenry | 2 hr |
| Jun 29, 7:03 PM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Kane, Kendall, Will | 57 min |
| Jun 30, 2:33 AM CDT | Areal Flood Advisory | LSX | Monroe, Saint Clair | 3 hr |
| Jun 30, 12:59 PM CDT | Areal Flood Advisory | LSX | Madison, Saint Clair | 3 hr |
| Jul 1, 1:17 PM CDT | Areal Flood Advisory | PAH | Jackson, Perry | 3 hr |
| Jul 7, 10:00 PM CDT | Areal Flood Advisory | LOT | Cook | 3 hr |
| Jul 15, 4:42 PM CDT | Areal Flood Advisory | LOT | Livingston | 3 hr |
| Jul 15, 5:24 PM CDT | Areal Flood Advisory | LOT | Ford, Iroquois | 3 hr |
| Jul 15, 10:23 PM CDT | Areal Flood Advisory | LOT | Kankakee, Livingston | 4 hr |
| Jul 16, 9:01 AM CDT | Areal Flood Advisory | ILX | Woodford | 6 hr |
| Jul 19, 8:44 AM CDT | Areal Flood Advisory | LOT | Cook, Grundy, Kankakee, LaSalle, Livingston, Will | 6 hr |
| Jul 22, 2:26 PM CDT | Areal Flood Advisory | PAH | Jackson | 37 min |
| Jul 22, 3:59 PM CDT | Areal Flood Advisory | PAH | Wabash | 2 hr |
| Jul 22, 5:03 PM CDT | Areal Flood Advisory | PAH | Gallatin | 117 min |
| Jul 23, 1:52 PM CDT | Areal Flood Advisory | PAH | Perry | 113 min |
| Jul 25, 5:17 PM CDT | Areal Flood Advisory | PAH | Massac | 71 min |
| Jul 26, 9:34 PM CDT | Areal Flood Advisory | LOT | LaSalle, Lee | 116 min |
| Jul 27, 5:46 PM CDT | Areal Flood Advisory | PAH | Union | 119 min |
| Jul 27, 5:57 PM CDT | Areal Flood Advisory | PAH | Jackson | 3 hr |
| Jul 27, 6:44 PM CDT | Areal Flood Advisory | PAH | Williamson | 3 hr |
| Jul 29, 2:01 PM CDT | Areal Flood Advisory | PAH | Johnson, Massac | 119 min |
| Jul 30, 8:04 AM CDT | Areal Flood Advisory | LSX | Macoupin, Montgomery | 6 hr |
| Aug 2, 5:14 PM CDT | Areal Flood Advisory | LOT | Cook | 2 hr |
| Aug 3, 12:55 PM CDT | Areal Flood Advisory | PAH | Wayne | 2 hr |
| Aug 3, 5:45 PM CDT | Areal Flood Advisory | PAH | Union | 3 hr |
| Aug 9, 7:28 AM CDT | Areal Flood Advisory | PAH | Hamilton, White | 2 hr |
| Aug 9, 9:55 AM CDT | Areal Flood Advisory | LSX | Madison, Saint Clair | 3 hr |
| Aug 10, 3:21 PM CDT | Areal Flood Advisory | LOT | Boone, Winnebago | 3 hr |
| Aug 10, 6:24 PM CDT | Areal Flood Advisory | LSX | Calhoun, Jersey, Madison, Monroe, Saint Clair | 3 hr |
| Aug 10, 7:04 PM CDT | Areal Flood Advisory | LSX | Bond, Clinton, Madison | 3 hr |
| Aug 12, 3:08 PM CDT | Areal Flood Advisory | PAH | Johnson | 76 min |
| Aug 12, 3:43 PM CDT | Areal Flood Advisory | PAH | Hamilton, White | 2 hr |
| Aug 12, 5:24 PM CDT | Areal Flood Advisory | PAH | Gallatin | 85 min |
| Aug 13, 2:14 PM CDT | Areal Flood Advisory | PAH | Hamilton | 84 min |
| Aug 13, 3:55 PM CDT | Areal Flood Advisory | PAH | Jackson | 78 min |
| Aug 13, 5:43 PM CDT | Areal Flood Advisory | PAH | Massac | 90 min |
| Aug 15, 9:15 PM CDT | Areal Flood Advisory | LSX | Monroe, Saint Clair | 3 hr |
| Aug 18, 3:06 PM CDT | Areal Flood Advisory | PAH | White | 114 min |
| Aug 23, 5:24 PM CDT | Areal Flood Advisory | LOT | Cook | 2 hr |
| Aug 23, 7:52 PM CDT | Areal Flood Advisory | LOT | Cook | 113 min |
| Aug 31, 3:29 PM CDT | Areal Flood Advisory | PAH | Alexander, Pulaski, Union | 2 hr |
| Sep 12, 5:58 PM CDT | Areal Flood Advisory | PAH | Franklin, Hamilton, Jackson, Jefferson, Perry, Wayne and 1 more | 3 hr |
| Sep 12, 7:31 PM CDT | Areal Flood Advisory | PAH | Wayne | 3 hr |
| Oct 19, 8:58 AM CDT | Areal Flood Advisory | PAH | Alexander, Massac, Pope, Pulaski | 3 hr |
| Oct 20, 9:57 PM CDT | Areal Flood Advisory | LSX | Bond, Fayette | 3 hr |
| Oct 22, 6:29 AM CDT | Areal Flood Advisory | LOT | Cook, DeKalb, DuPage, Kane, Kendall, LaSalle and 2 more | 3 hr |
| Oct 29, 2:05 AM CDT | Areal Flood Advisory | PAH | Alexander, Union | 3 hr |
| Oct 29, 3:26 AM CDT | Areal Flood Advisory | PAH | Gallatin, Hardin, Johnson, Massac, Pope, Pulaski and 3 more | 6 hr |
| Nov 14, 1:25 PM CST | Areal Flood Advisory | PAH | Perry | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County24
- Kane County15
- Will County15
- Lake County13
- White County11
- DuPage County11
- Iroquois County11
- Kendall County11
- LaSalle County11
- Livingston County11
- Hamilton County10
- Kankakee County10
- Massac County9
- Grundy County9
- Wayne County8
- Alexander County8
- Pulaski County8
- Pope County8
- DeKalb County8
- Union County8
- Ford County8
- McHenry County8
- Gallatin County7
- Johnson County7
- Jackson County7
- Lee County7
- Madison County7
- Saint Clair County7
- Williamson County6
- Perry County6
- Jefferson County5
- Ogle County5
- Boone County5
- Macoupin County5
- Monroe County4
- Saline County4
- Calhoun County4
- Jersey County4
- Franklin County3
- Winnebago County3
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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. Warning verification from the Mesonet's Cow. Rebuilt daily.