Alert archive / Illinois / River Flood Warnings
River Flood Warnings in Illinois, 2026
234 river flood warnings in 2026. 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 river flood warnings reaches back to 2005.
River Flood Warnings by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- River Flood Warnings
- 234
- Busiest month
- April92 river flood warnings
- Busiest day
- April 16, 202618 river 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 23, 7:18 AM CST | River Flood Warning | LOT | Kankakee | 12 hr |
| Mar 3, 10:51 AM CST | River Flood Warning | ILX | Clay, Richland | 21 days |
| Mar 5, 10:19 AM CST | River Flood Warning | ILX | Lawrence | 6 days |
| Mar 5, 10:42 AM CST | River Flood Warning | PAH | Gallatin, Wabash, White | 15 days |
| Mar 5, 11:16 AM CST | River Flood Warning | PAH | Gallatin, Hardin | 11 days |
| Mar 5, 9:43 PM CST | River Flood Warning | IND | Edwards, Gallatin, Wabash, White | 14 days |
| Mar 7, 1:09 AM CST | River Flood Warning | LOT | Cook | 17 hr |
| Mar 8, 8:50 AM CDT | River Flood Warning | LSX | Clinton | 17 days |
| Mar 8, 9:29 AM CDT | River Flood Warning | PAH | Gallatin, Wayne, White | 12 days |
| Mar 11, 1:35 AM CDT | River Flood Warning | LOT | Cook | 9 hr |
| Mar 16, 4:40 AM CDT | River Flood Warning | LOT | Cook | 6 hr |
| Apr 2, 10:03 AM CDT | River Flood Warning | DVN | Hancock, McDonough | 60 hr |
| Apr 2, 11:13 AM CDT | River Flood Warning | IND | Clark, Crawford | 9 days |
| Apr 2, 11:13 AM CDT | River Flood Warning | IND | Crawford, Lawrence | 11 days |
| Apr 3, 12:58 AM CDT | River Flood Warning | LOT | LaSalle | 45 hr |
| Apr 3, 11:14 AM CDT | River Flood Warning | IND | Crawford, Lawrence | 10 days |
| Apr 3, 11:43 AM CDT | River Flood Warning | MKX | Lake | 6 days |
| Apr 3, 11:58 AM CDT | River Flood Warning | LOT | Bureau, LaSalle, Putnam | 7 days |
| Apr 3, 3:01 PM CDT | River Flood Warning | LOT | Winnebago | 3 days |
| Apr 3, 9:17 PM CDT | River Flood Warning | LOT | Lake | 8 days |
| Apr 3, 10:12 PM CDT | River Flood Warning | LOT | LaSalle | 4 days |
| Apr 3, 11:42 PM CDT | River Flood Warning | ILX | McLean, Tazewell, Woodford | 12 hr |
| Apr 3, 11:52 PM CDT | River Flood Warning | ILX | Brown, Cass, Morgan, Schuyler | 39 days |
| Apr 3, 11:53 PM CDT | River Flood Warning | ILX | Cass, Fulton, Mason | 38 days |
| Apr 3, 11:55 PM CDT | River Flood Warning | ILX | Peoria, Tazewell, Woodford | 21 days |
| Apr 3, 11:56 PM CDT | River Flood Warning | ILX | Marshall, Putnam | 60 hr |
| Apr 4, 6:37 AM CDT | River Flood Warning | LOT | Cook | 24 hr |
| Apr 4, 10:15 AM CDT | River Flood Warning | DVN | Henry, Rock Island, Whiteside | 4 days |
| Apr 4, 10:15 AM CDT | River Flood Warning | DVN | Henry, Rock Island | 4 days |
| Apr 4, 11:29 AM CDT | River Flood Warning | LOT | Lake | 8 days |
| Apr 4, 2:30 PM CDT | River Flood Warning | LOT | Boone, Winnebago | 23 hr |
| Apr 4, 7:26 PM CDT | River Flood Warning | LSX | Fayette | 16 hr |
| Apr 6, 8:23 PM CDT | River Flood Warning | LOT | Cook, Lake | 61 hr |
| Apr 6, 8:26 PM CDT | River Flood Warning | LOT | Kane, Lake, McHenry | 28 days |
| Apr 9, 11:56 AM CDT | River Flood Warning | LSX | Pike | 24 days |
| Apr 9, 11:56 AM CDT | River Flood Warning | LSX | Calhoun | 24 days |
| Apr 11, 11:19 AM CDT | River Flood Warning | DVN | Hancock, Henderson | 20 days |
| Apr 11, 11:19 AM CDT | River Flood Warning | DVN | Henderson | 20 days |
| Apr 11, 11:33 AM CDT | River Flood Warning | LSX | Pike | 21 days |
| Apr 13, 11:50 AM CDT | River Flood Warning | LSX | Calhoun | 20 days |
| Apr 14, 8:57 AM CDT | River Flood Warning | LSX | Pike | 18 days |
| Apr 15, 4:22 AM CDT | River Flood Warning | LOT | Lake | 11 days |
| Apr 15, 6:19 AM CDT | River Flood Warning | LOT | Lake | 10 days |
| Apr 15, 10:32 AM CDT | River Flood Warning | LOT | Cook | 10 days |
| Apr 15, 10:32 AM CDT | River Flood Warning | LOT | Cook, Lake | 10 days |
| Apr 15, 10:43 AM CDT | River Flood Warning | LOT | Kane, Kendall | 11 hr |
| Apr 15, 10:50 AM CDT | River Flood Warning | MKX | Lake | 15 days |
| Apr 15, 12:31 PM CDT | River Flood Warning | DVN | Stephenson | 8 hr |
| Apr 15, 10:46 PM CDT | River Flood Warning | MKX | Winnebago | 44 hr |
| Apr 15, 11:23 PM CDT | River Flood Warning | MKX | Winnebago | 5 days |
| Apr 16, 3:29 AM CDT | River Flood Warning | LOT | Kane, Kendall | 13 days |
| Apr 16, 7:30 AM CDT | River Flood Warning | LOT | Boone, Winnebago | 3 days |
| Apr 16, 7:58 AM CDT | River Flood Warning | LOT | Winnebago | 14 days |
| Apr 16, 10:43 AM CDT | River Flood Warning | DVN | Henry, Rock Island, Whiteside | 16 days |
| Apr 16, 10:43 AM CDT | River Flood Warning | DVN | Henry, Rock Island | 21 days |
| Apr 16, 10:43 AM CDT | River Flood Warning | DVN | Whiteside | 6 days |
| Apr 16, 11:01 AM CDT | River Flood Warning | LOT | Winnebago | 13 days |
| Apr 16, 11:17 AM CDT | River Flood Warning | LOT | Ogle | 21 days |
| Apr 16, 11:24 AM CDT | River Flood Warning | LOT | Winnebago | 4 days |
| Apr 16, 11:29 AM CDT | River Flood Warning | LOT | Winnebago | 10 days |
| Apr 16, 11:30 AM CDT | River Flood Warning | DVN | Henderson, Mercer | 21 days |
| Apr 16, 11:30 AM CDT | River Flood Warning | DVN | Mercer | 21 days |
| Apr 16, 11:30 AM CDT | River Flood Warning | DVN | Hancock | 21 days |
| Apr 16, 11:30 AM CDT | River Flood Warning | DVN | Mercer, Rock Island | 12 days |
| Apr 16, 11:54 AM CDT | River Flood Warning | LSX | Calhoun, Greene, Jersey | 21 days |
| Apr 16, 12:25 PM CDT | River Flood Warning | MKX | Winnebago | 21 days |
| Apr 17, 10:15 AM CDT | River Flood Warning | DVN | Stephenson | 6 days |
| Apr 17, 11:21 AM CDT | River Flood Warning | DVN | Rock Island | 10 days |
| Apr 17, 11:21 AM CDT | River Flood Warning | DVN | Rock Island | 21 days |
| Apr 17, 1:46 PM CDT | River Flood Warning | LOT | Bureau, LaSalle, Putnam | 6 days |
| Apr 17, 10:02 PM CDT | River Flood Warning | LSX | Adams | 12 days |
| Apr 17, 10:12 PM CDT | River Flood Warning | MKX | Winnebago | 24 hr |
| Apr 17, 10:59 PM CDT | River Flood Warning | LOT | Cook | 22 hr |
| Apr 18, 5:44 AM CDT | River Flood Warning | LOT | LaSalle | 15 hr |
| Apr 18, 5:50 AM CDT | River Flood Warning | DVN | Hancock, McDonough | 70 hr |
| Apr 18, 12:05 PM CDT | River Flood Warning | LSX | Adams | 21 days |
| Apr 18, 12:05 PM CDT | River Flood Warning | LSX | Adams | 9 hr |
| Apr 18, 12:41 PM CDT | River Flood Warning | LOT | LaSalle | 23 hr |
| Apr 19, 11:38 AM CDT | River Flood Warning | LSX | Jersey | 21 days |
| Apr 19, 7:54 PM CDT | River Flood Warning | LSX | Jackson, Randolph | 6 days |
| Apr 19, 8:17 PM CDT | River Flood Warning | ILX | Peoria, Tazewell, Woodford | 6 days |
| Apr 19, 10:02 PM CDT | River Flood Warning | LOT | Lee, Ogle | 20 hr |
| Apr 20, 1:05 PM CDT | River Flood Warning | DVN | Hancock, McDonough | 7 hr |
| Apr 27, 9:52 AM CDT | River Flood Warning | ILX | Clay, Richland | 14 days |
| Apr 27, 2:58 PM CDT | River Flood Warning | PAH | Alexander, Jackson, Union | 8 days |
| Apr 27, 3:05 PM CDT | River Flood Warning | LSX | Jackson, Randolph | 8 days |
| Apr 27, 3:13 PM CDT | River Flood Warning | LSX | Pike, Scott | 9 days |
| Apr 27, 3:16 PM CDT | River Flood Warning | LSX | Fayette | 4 days |
| Apr 27, 9:48 PM CDT | River Flood Warning | ILX | Lawrence | 7 days |
| Apr 27, 10:37 PM CDT | River Flood Warning | LSX | Adams | 37 hr |
| Apr 27, 10:37 PM CDT | River Flood Warning | LSX | Adams | 56 hr |
| Apr 27, 10:52 PM CDT | River Flood Warning | IND | Crawford, Lawrence | 6 days |
| Apr 28, 10:33 AM CDT | River Flood Warning | IND | Crawford, Lawrence | 6 days |
| Apr 28, 10:33 AM CDT | River Flood Warning | IND | Clark, Crawford | 4 days |
| Apr 28, 11:25 AM CDT | River Flood Warning | LSX | Brown | 25 hr |
| Apr 28, 11:25 AM CDT | River Flood Warning | LSX | Morgan, Pike | 4 days |
| Apr 28, 11:26 AM CDT | River Flood Warning | PAH | Gallatin, Wabash, White | 8 days |
| Apr 28, 11:38 AM CDT | River Flood Warning | LSX | Madison | 6 days |
| Apr 28, 11:38 AM CDT | River Flood Warning | LSX | Monroe | 4 days |
| Apr 28, 11:38 AM CDT | River Flood Warning | LSX | Madison | 5 days |
| Apr 28, 11:38 AM CDT | River Flood Warning | LSX | Saint Clair | 5 days |
| Apr 28, 11:52 AM CDT | River Flood Warning | PAH | Alexander | 6 days |
| Apr 30, 11:30 AM CDT | River Flood Warning | IND | Edwards, Gallatin, Wabash, White | 5 days |
| May 6, 6:31 AM CDT | River Flood Warning | IND | Crawford, Lawrence | 4 days |
| May 6, 6:31 AM CDT | River Flood Warning | IND | Crawford, Lawrence | 4 days |
| May 6, 9:15 PM CDT | River Flood Warning | IND | Edwards, Gallatin, Wabash, White | 6 days |
| May 7, 6:41 AM CDT | River Flood Warning | ILX | Lawrence | 24 hr |
| May 7, 11:53 AM CDT | River Flood Warning | LSX | Clinton | 15 days |
| May 9, 12:11 PM CDT | River Flood Warning | PAH | Gallatin, Wabash, White | 22 hr |
| May 18, 12:12 PM CDT | River Flood Warning | ILX | Clay, Richland | 7 days |
| May 18, 5:58 PM CDT | River Flood Warning | ILX | Lawrence | 4 days |
| May 21, 6:30 AM CDT | River Flood Warning | PAH | Wayne, White | 13 hr |
| May 21, 11:13 AM CDT | River Flood Warning | IND | Edwards, Gallatin, Wabash, White | 48 hr |
| May 28, 10:31 AM CDT | River Flood Warning | PAH | Gallatin, Hardin | 5 days |
| Jun 10, 12:21 PM CDT | River Flood Warning | IND | Crawford, Lawrence | 6 days |
| Jun 10, 12:21 PM CDT | River Flood Warning | IND | Clark, Crawford | 5 days |
| Jun 10, 12:21 PM CDT | River Flood Warning | IND | Crawford, Lawrence | 6 days |
| Jun 10, 9:44 PM CDT | River Flood Warning | DVN | Henry, Rock Island, Whiteside | 5 days |
| Jun 10, 9:44 PM CDT | River Flood Warning | DVN | Henry, Rock Island | 6 days |
| Jun 10, 10:13 PM CDT | River Flood Warning | DVN | Hancock, McDonough | 3 days |
| Jun 11, 12:09 AM CDT | River Flood Warning | ILX | Fulton, Knox | 60 hr |
| Jun 11, 6:17 AM CDT | River Flood Warning | ILX | McLean, Tazewell, Woodford | 16 hr |
| Jun 11, 11:37 AM CDT | River Flood Warning | ILX | Cass, Fulton, Mason | 37 days |
| Jun 11, 11:38 AM CDT | River Flood Warning | ILX | Brown, Cass, Morgan, Schuyler | 38 days |
| Jun 11, 4:37 PM CDT | River Flood Warning | LOT | LaSalle | 61 hr |
| Jun 11, 4:37 PM CDT | River Flood Warning | LOT | Bureau, LaSalle, Putnam | 18 days |
| Jun 11, 4:37 PM CDT | River Flood Warning | LOT | Iroquois | 40 hr |
| Jun 11, 9:44 PM CDT | River Flood Warning | LOT | Cook | 37 hr |
| Jun 11, 9:47 PM CDT | River Flood Warning | LOT | Cook | 19 hr |
| Jun 12, 10:19 AM CDT | River Flood Warning | ILX | Peoria, Tazewell, Woodford | 20 days |
| Jun 12, 10:28 AM CDT | River Flood Warning | ILX | Clay, Richland | 47 hr |
| Jun 12, 10:39 AM CDT | River Flood Warning | LOT | LaSalle | 38 hr |
| Jun 12, 10:57 AM CDT | River Flood Warning | LOT | Winnebago | 33 hr |
| Jun 12, 11:18 AM CDT | River Flood Warning | DVN | Henry, Rock Island, Whiteside | 3 days |
| Jun 12, 7:02 PM CDT | River Flood Warning | ILX | McLean, Tazewell, Woodford | 38 hr |
| Jun 12, 9:36 PM CDT | River Flood Warning | LSX | Pike | 7 days |
| Jun 12, 9:37 PM CDT | River Flood Warning | LSX | Calhoun | 7 days |
| Jun 13, 11:41 AM CDT | River Flood Warning | LSX | Pike | 5 days |
| Jun 13, 11:43 AM CDT | River Flood Warning | LSX | Jackson, Randolph | 21 days |
| Jun 13, 11:57 AM CDT | River Flood Warning | ILX | Marshall, Putnam | 69 hr |
| Jun 13, 10:20 PM CDT | River Flood Warning | LSX | Pike | 5 days |
| Jun 13, 10:20 PM CDT | River Flood Warning | LSX | Calhoun | 7 days |
| Jun 14, 9:13 AM CDT | River Flood Warning | LOT | Cook | 18 hr |
| Jun 14, 9:18 AM CDT | River Flood Warning | LOT | Cook | 22 hr |
| Jun 14, 9:32 AM CDT | River Flood Warning | ILX | Piatt | 68 hr |
| Jun 14, 9:49 AM CDT | River Flood Warning | LSX | Brown | 26 hr |
| Jun 14, 11:15 AM CDT | River Flood Warning | LSX | Calhoun, Greene, Jersey | 21 days |
| Jun 14, 11:15 AM CDT | River Flood Warning | LSX | Pike, Scott | 24 days |
| Jun 15, 10:06 PM CDT | River Flood Warning | LSX | Madison | 62 hr |
| Jun 16, 10:40 AM CDT | River Flood Warning | PAH | Alexander, Jackson, Union | 71 hr |
| Jun 17, 10:58 AM CDT | River Flood Warning | ILX | Marshall, Putnam | 11 days |
| Jun 17, 4:47 PM CDT | River Flood Warning | LOT | Cook | 11 hr |
| Jun 17, 6:06 PM CDT | River Flood Warning | LOT | Cook | 27 hr |
| Jun 17, 8:28 PM CDT | River Flood Warning | DVN | Hancock, McDonough | 62 hr |
| Jun 17, 8:56 PM CDT | River Flood Warning | ILX | Piatt | 7 days |
| Jun 17, 11:58 PM CDT | River Flood Warning | IND | Crawford, Lawrence | 8 days |
| Jun 17, 11:58 PM CDT | River Flood Warning | IND | Clark, Crawford | 5 days |
| Jun 17, 11:58 PM CDT | River Flood Warning | IND | Crawford, Lawrence | 8 days |
| Jun 18, 2:47 AM CDT | River Flood Warning | ILX | Fulton, Knox | 18 hr |
| Jun 18, 11:43 AM CDT | River Flood Warning | LSX | Brown | 18 days |
| Jun 18, 11:43 AM CDT | River Flood Warning | LSX | Morgan, Pike | 21 days |
| Jun 18, 7:26 PM CDT | River Flood Warning | ILX | McLean, Tazewell, Woodford | 20 hr |
| Jun 19, 9:35 AM CDT | River Flood Warning | ILX | Clay, Richland | 14 days |
| Jun 19, 10:48 AM CDT | River Flood Warning | LSX | Pike | 5 days |
| Jun 20, 11:25 AM CDT | River Flood Warning | IND | Lawrence, Wabash | 7 days |
| Jun 20, 7:14 PM CDT | River Flood Warning | ILX | Cass, Mason | 49 hr |
| Jun 20, 7:20 PM CDT | River Flood Warning | ILX | Fulton, Knox | 3 days |
| Jun 21, 9:24 AM CDT | River Flood Warning | ILX | Lawrence | 10 days |
| Jun 21, 10:06 AM CDT | River Flood Warning | ILX | Fulton | 34 hr |
| Jun 21, 1:53 PM CDT | River Flood Warning | DVN | Hancock, McDonough | 62 hr |
| Jun 21, 8:43 PM CDT | River Flood Warning | LOT | Cook | 33 hr |
| Jun 21, 8:43 PM CDT | River Flood Warning | LOT | Cook | 33 hr |
| Jun 21, 9:06 PM CDT | River Flood Warning | IND | Edwards, Gallatin, Wabash, White | 10 days |
| Jun 21, 9:46 PM CDT | River Flood Warning | LSX | Calhoun | 63 hr |
| Jun 24, 10:16 AM CDT | River Flood Warning | PAH | Gallatin, Wabash, White | 8 days |
| Jun 24, 10:56 PM CDT | River Flood Warning | LOT | Cook | 7 hr |
| Jun 25, 3:53 AM CDT | River Flood Warning | LOT | Cook | 14 hr |
| Jun 25, 9:53 AM CDT | River Flood Warning | PAH | Gallatin, Wayne, White | 50 hr |
| Jul 3, 11:39 PM CDT | River Flood Warning | LOT | Cook | 67 hr |
| Jul 4, 12:26 AM CDT | River Flood Warning | LOT | Cook | 5 hr |
| Jul 4, 5:08 PM CDT | River Flood Warning | LOT | Bureau, LaSalle, Putnam | 4 days |
| Jul 4, 5:21 PM CDT | River Flood Warning | LOT | DuPage, Will | 31 hr |
| Jul 4, 5:58 PM CDT | River Flood Warning | LOT | LaSalle | 53 hr |
| Jul 4, 7:50 PM CDT | River Flood Warning | LOT | Cook | 41 hr |
| Jul 4, 8:22 PM CDT | River Flood Warning | LOT | Kane, Kendall | 2 hr |
| Jul 4, 8:22 PM CDT | River Flood Warning | LOT | Will | 13 hr |
| Jul 4, 8:57 PM CDT | River Flood Warning | LOT | Will | 49 hr |
| Jul 5, 10:16 AM CDT | River Flood Warning | ILX | Peoria, Tazewell, Woodford | 6 days |
| Jul 5, 10:40 AM CDT | River Flood Warning | LOT | LaSalle | 28 hr |
| Jul 5, 2:44 PM CDT | River Flood Warning | LOT | DuPage, Will | 15 hr |
| Jul 5, 9:16 PM CDT | River Flood Warning | ILX | Marshall, Putnam | 61 hr |
| Jul 27, 3:09 PM CDT | River Flood Warning | LOT | Cook | 11 hr |
| Jul 27, 7:56 PM CDT | River Flood Warning | LOT | Cook | 19 hr |
| Aug 1, 8:13 AM CDT | River Flood Warning | LOT | DuPage, Will | 6 hr |
| Aug 1, 8:13 AM CDT | River Flood Warning | LOT | Will | 20 hr |
| Aug 1, 2:44 PM CDT | River Flood Warning | LOT | Cook | 37 hr |
| Aug 1, 4:50 PM CDT | River Flood Warning | LOT | Cook | 18 hr |
| Aug 1, 10:56 PM CDT | River Flood Warning | LOT | DuPage, Will | 13 hr |
| Aug 11, 8:48 PM CDT | River Flood Warning | LOT | Cook | 43 hr |
| Aug 13, 11:22 AM CDT | River Flood Warning | IND | Crawford, Lawrence | 17 days |
| Aug 13, 11:22 AM CDT | River Flood Warning | IND | Clark, Crawford | 14 days |
| Aug 13, 11:22 AM CDT | River Flood Warning | IND | Crawford, Lawrence | 18 days |
| Aug 14, 8:16 AM CDT | River Flood Warning | LOT | Cook | 42 hr |
| Aug 14, 9:25 AM CDT | River Flood Warning | ILX | Vermilion | 4 days |
| Aug 14, 10:20 AM CDT | River Flood Warning | ILX | Fulton, Knox | 4 days |
| Aug 14, 3:09 PM CDT | River Flood Warning | ILX | Fulton | 5 days |
| Aug 14, 10:15 PM CDT | River Flood Warning | LOT | Bureau, LaSalle, Putnam | 5 days |
| Aug 15, 7:14 AM CDT | River Flood Warning | DVN | Hancock, McDonough | 4 days |
| Aug 15, 10:11 AM CDT | River Flood Warning | ILX | Cass, Fulton, Mason | 13 days |
| Aug 15, 10:12 AM CDT | River Flood Warning | ILX | Brown, Cass, Morgan, Schuyler | 14 days |
| Aug 15, 10:19 AM CDT | River Flood Warning | ILX | Piatt | 7 days |
| Aug 15, 1:46 PM CDT | River Flood Warning | ILX | McLean, Tazewell, Woodford | 20 hr |
| Aug 15, 8:42 PM CDT | River Flood Warning | LOT | Iroquois | 57 hr |
| Aug 17, 2:14 AM CDT | River Flood Warning | IND | Lawrence, Wabash | 13 days |
| Aug 17, 2:57 AM CDT | River Flood Warning | ILX | McLean, Tazewell, Woodford | 31 hr |
| Aug 21, 12:41 PM CDT | River Flood Warning | IND | Edwards, Gallatin, Wabash, White | 7 days |
| Aug 23, 1:17 PM CDT | River Flood Warning | PAH | Gallatin, Wabash, White | 5 days |
| Sep 19, 9:05 PM CDT | River Flood Warning | LOT | Cook | 17 hr |
| Sep 19, 10:10 PM CDT | River Flood Warning | LOT | LaSalle | 45 hr |
| Sep 20, 9:14 AM CDT | River Flood Warning | LOT | Lake | 21 days |
| Sep 20, 9:23 AM CDT | River Flood Warning | DVN | Henry, Rock Island, Whiteside | 49 hr |
| Sep 20, 9:23 AM CDT | River Flood Warning | DVN | Henry, Rock Island | 5 days |
| Sep 20, 9:35 AM CDT | River Flood Warning | MKX | Lake | 6 days |
| Sep 20, 11:48 AM CDT | River Flood Warning | LSX | Adams | 7 days |
| Sep 20, 11:48 AM CDT | River Flood Warning | LSX | Calhoun | 21 days |
| Sep 20, 11:48 AM CDT | River Flood Warning | LSX | Pike | 7 days |
| Sep 20, 11:48 AM CDT | River Flood Warning | LSX | Adams | 10 hr |
| Sep 20, 11:48 AM CDT | River Flood Warning | LSX | Pike | 7 days |
| Sep 20, 11:48 AM CDT | River Flood Warning | LSX | Calhoun | 21 days |
| Sep 21, 10:21 AM CDT | River Flood Warning | LOT | Lake | 5 days |
| Sep 21, 11:47 AM CDT | River Flood Warning | DVN | Henderson, Mercer | 4 days |
| Sep 21, 11:47 AM CDT | River Flood Warning | DVN | Henderson | 5 days |
| Sep 21, 11:47 AM CDT | River Flood Warning | DVN | Hancock, Henderson | 5 days |
| Sep 22, 9:36 PM CDT | River Flood Warning | DVN | Hancock | 3 days |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County28
- Lawrence County19
- Crawford County17
- Gallatin County15
- White County14
- LaSalle County14
- Wabash County13
- Pike County13
- Lake County12
- Winnebago County12
- Rock Island County12
- Hancock County11
- Tazewell County10
- Woodford County10
- Putnam County9
- Fulton County9
- Henry County9
- Calhoun County9
- McDonough County7
- Cass County7
- Adams County7
- Will County7
- Edwards County6
- McLean County6
- Brown County6
- Whiteside County6
- Henderson County6
- Clay County5
- Richland County5
- Clark County5
- Bureau County5
- Morgan County5
- Jackson County5
- Mason County4
- Peoria County4
- Marshall County4
- Kane County4
- Mercer County4
- Knox County4
- DuPage County4
24 more counties
- Wayne County3
- Schuyler County3
- Kendall County3
- Jersey County3
- Randolph County3
- Alexander County3
- Madison County3
- Piatt County3
- Hardin County2
- Clinton County2
- Boone County2
- Fayette County2
- Stephenson County2
- Ogle County2
- Greene County2
- Union County2
- Scott County2
- Iroquois County2
- Kankakee County1
- McHenry County1
- Lee County1
- Monroe County1
- Saint Clair County1
- Vermilion County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
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.