Alert archive / Illinois / 2018
Weather alerts in Illinois, September 2018
298 weather alerts in September 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in September 2018. Tap one for its archive.
- Alerts
- 298
- Warnings
- 143
- Watches
- 23
- Advisories
- 52
- Busiest day
- September 3, 201851 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Aug 31, 7:23 PM CDT | Special Weather Statement | LOT | Kankakee, Will | 37 min |
| Aug 31, 7:40 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 20 min |
| Aug 31, 8:17 PM CDT | Special Marine Warning | LOT | 88 min | |
| Aug 31, 8:47 PM CDT | Areal Flood Advisory | LOT | Iroquois, Kankakee, Will | 3 hr |
| Sep 1, 3:44 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more | 24 hr |
| Sep 1, 8:38 AM CDT | Special Weather Statement | ILX | Peoria | 22 min |
| Sep 1, 9:01 AM CDT | Special Weather Statement | ILX | Peoria | 44 min |
| Sep 1, 9:22 AM CDT | Special Weather Statement | ILX | Peoria | 23 min |
| Sep 1, 3:07 PM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Kane, Lake, Lee and 3 more | 13 hr |
| Sep 1, 6:34 PM CDT | Mesoscale Discussion | SPC | Carroll, Henderson, Henry, Jo Daviess, Mercer, Rock Island and 2 more | 56 min |
| Sep 1, 7:29 PM CDT | Special Weather Statement | LOT | Lake | 31 min |
| Sep 1, 7:54 PM CDT | Special Weather Statement | LOT | Lake | 36 min |
| Sep 1, 8:42 PM CDT | Special Weather Statement | DVN | Whiteside | 33 min |
| Sep 1, 9:26 PM CDT | Special Weather Statement | LOT | DeKalb | 34 min |
| Sep 1, 9:28 PM CDT | Special Weather Statement | LOT | Ogle | 47 min |
| Sep 1, 9:33 PM CDT | Special Weather Statement | DVN | Rock Island | 42 min |
| Sep 1, 9:36 PM CDT | Special Weather Statement | DVN | Rock Island | 39 min |
| Sep 1, 10:01 PM CDT | Special Weather Statement | DVN | Whiteside | 29 min |
| Sep 1, 10:21 PM CDT | Areal Flood Advisory | LOT | Boone, DeKalb, Lee, Ogle, Winnebago | 6 hr |
| Sep 1, 10:27 PM CDT | Special Weather Statement | LOT | Ogle | 48 min |
| Sep 1, 10:27 PM CDT | Mesoscale Discussion | SPC | Carroll, Henry, Mercer, Rock Island, Whiteside | 63 min |
| Sep 1, 10:53 PM CDT | Severe Thunderstorm Warning | LOT | Ogle, Winnebago | 38 min |
| Sep 1, 11:02 PM CDT | Special Weather Statement | DVN | Carroll, Stephenson | 43 min |
| Sep 1, 11:29 PM CDT | Special Weather Statement | DVN | Rock Island | 46 min |
| Sep 2, 12:34 AM CDT | Areal Flood Advisory | LOT | Boone, Cook, DeKalb, Kane, Lake, McHenry and 1 more | 3 hr |
| Sep 2, 12:48 AM CDT | Special Weather Statement | LOT | McHenry | 42 min |
| Sep 2, 2:14 AM CDT | Special Weather Statement | LOT | McHenry | 31 min |
| Sep 2, 8:53 AM CDT | River Flood Warning | DVN | Henry, Rock Island, Whiteside | 25 days |
| Sep 2, 8:53 AM CDT | River Flood Warning | DVN | Henry, Rock Island | 14 days |
| Sep 2, 9:26 AM CDT | Flash Flood Watch | DVN | Carroll, Jo Daviess, Mercer, Rock Island, Stephenson, Whiteside | 39 hr |
| Sep 2, 9:31 AM CDT | River Flood Watch | LOT | Winnebago | 25 hr |
| Sep 2, 9:53 AM CDT | River Flood Advisory | LOT | Ogle | 15 hr |
| Sep 2, 10:00 AM CDT | River Flood Advisory | LOT | Winnebago | 11 hr |
| Sep 2, 10:07 AM CDT | River Flood Advisory | LOT | Boone | 25 hr |
| Sep 2, 10:22 AM CDT | River Flood Warning | DVN | Mercer | 16 days |
| Sep 2, 10:22 AM CDT | River Flood Warning | DVN | Henderson, Mercer | 16 days |
| Sep 2, 10:22 AM CDT | River Flood Warning | DVN | Henderson | 17 days |
| Sep 2, 10:22 AM CDT | River Flood Warning | DVN | Hancock, Henderson | 17 days |
| Sep 2, 10:22 AM CDT | River Flood Warning | DVN | Hancock | 17 days |
| Sep 2, 2:38 PM CDT | Flash Flood Watch | LOT | Boone, Lake, McHenry, Ogle, Winnebago | 16 hr |
| Sep 2, 3:47 PM CDT | Mesoscale Discussion | SPC | Boone, Jo Daviess, McHenry, Stephenson, Winnebago | 118 min |
| Sep 2, 6:18 PM CDT | Special Weather Statement | DVN | Jo Daviess | 42 min |
| Sep 2, 7:02 PM CDT | Areal Flood Advisory | LOT | Boone, DeKalb, McHenry, Ogle, Winnebago | 6 hr |
| Sep 2, 7:12 PM CDT | Special Weather Statement | LOT | Boone, Ogle | 48 min |
| Sep 2, 8:10 PM CDT | Special Weather Statement | DVN | Whiteside | 65 min |
| Sep 2, 9:05 PM CDT | River Flood Watch | LOT | Winnebago | 24 hr |
| Sep 2, 9:05 PM CDT | River Flood Watch | LOT | Winnebago | 3 hr |
| Sep 2, 9:22 PM CDT | River Flood Advisory | LOT | Lee | 24 hr |
| Sep 2, 9:22 PM CDT | River Flood Advisory | LOT | Kane, Kendall | 5 days |
| Sep 2, 9:46 PM CDT | River Flood Warning | DVN | Stephenson | 9 days |
| Sep 2, 9:46 PM CDT | River Flood Warning | DVN | Whiteside | 5 days |
| Sep 3, 12:23 AM CDT | River Flood Warning | LOT | Winnebago | 14 days |
| Sep 3, 12:27 AM CDT | River Flood Watch | LOT | Ogle | 10 hr |
| Sep 3, 1:00 AM CDT | Areal Flood Advisory | LOT | Boone, DeKalb, Kane, McHenry, Ogle, Winnebago | 10 hr |
| Sep 3, 6:20 AM CDT | Areal Flood Advisory | LOT | Cook, Lake | 3 hr |
| Sep 3, 8:42 AM CDT | River Flood Warning | LOT | Cook | 62 hr |
| Sep 3, 8:42 AM CDT | River Flood Warning | LOT | Kane, McHenry | 7 days |
| Sep 3, 9:36 AM CDT | Areal Flood Advisory | LOT | Lake | 114 min |
| Sep 3, 10:19 AM CDT | River Flood Warning | LOT | Winnebago | 13 days |
| Sep 3, 10:19 AM CDT | River Flood Warning | LOT | Ogle | 5 days |
| Sep 3, 10:37 AM CDT | River Flood Watch | LOT | Boone | 38 hr |
| Sep 3, 11:12 AM CDT | River Flood Warning | LOT | Winnebago | 3 days |
| Sep 3, 11:49 AM CDT | River Flood Advisory | LOT | Lake | 36 hr |
| Sep 3, 11:49 AM CDT | River Flood Advisory | LOT | Lake | 36 hr |
| Sep 3, 12:38 PM CDT | Areal Flood Advisory | LOT | Boone, McHenry, Winnebago | 52 min |
| Sep 3, 12:58 PM CDT | Flash Flood Watch | LOT | Boone, DeKalb, Kane, Lake, Lee, McHenry and 2 more | 11 hr |
| Sep 3, 1:20 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 22 more | 2 hr |
| Sep 3, 1:35 PM CDT | Special Weather Statement | LOT | McHenry | 40 min |
| Sep 3, 1:37 PM CDT | Special Weather Statement | LOT | DuPage | 23 min |
| Sep 3, 1:39 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Will | 36 min |
| Sep 3, 1:39 PM CDT | Tornado Warning | LOT | Lake, McHenry | 25 min |
| Sep 3, 1:54 PM CDT | Special Weather Statement | LOT | Cook | 36 min |
| Sep 3, 1:56 PM CDT | Special Marine Warning | LOT | 64 min | |
| Sep 3, 2:10 PM CDT | Areal Flood Warning | LOT | Cook, DuPage | 3 hr |
| Sep 3, 2:11 PM CDT | Special Weather Statement | LOT | DeKalb, Kane | 34 min |
| Sep 3, 2:15 PM CDT | Special Weather Statement | LOT | Cook | 15 min |
| Sep 3, 2:26 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 19 min |
| Sep 3, 2:58 PM CDT | Special Marine Warning | LOT | 36 min | |
| Sep 3, 3:07 PM CDT | Special Weather Statement | LOT | Grundy | 38 min |
| Sep 3, 3:10 PM CDT | Special Weather Statement | LOT | Kane | 35 min |
| Sep 3, 3:32 PM CDT | Special Weather Statement | DVN | Putnam | 28 min |
| Sep 3, 3:45 PM CDT | Special Weather Statement | LOT | DuPage | 30 min |
| Sep 3, 3:50 PM CDT | River Flood Warning | LOT | Lake | 3 days |
| Sep 3, 3:50 PM CDT | River Flood Warning | LOT | Lake | 39 hr |
| Sep 3, 3:50 PM CDT | River Flood Warning | LOT | Kane, Kendall | 50 hr |
| Sep 3, 4:07 PM CDT | Special Weather Statement | LOT | Will | 38 min |
| Sep 3, 4:21 PM CDT | Special Weather Statement | DVN | Rock Island | 24 min |
| Sep 3, 4:24 PM CDT | River Flood Advisory | LOT | Cook | 63 hr |
| Sep 3, 4:40 PM CDT | Special Weather Statement | LOT | Kankakee | 35 min |
| Sep 3, 4:50 PM CDT | Areal Flood Advisory | LOT | Cook | 115 min |
| Sep 3, 4:53 PM CDT | River Flood Advisory | LOT | Cook | 32 hr |
| Sep 3, 5:15 PM CDT | Areal Flood Warning | LOT | Cook, DuPage | 2 hr |
| Sep 3, 6:43 PM CDT | Areal Flood Advisory | LOT | Cook | 2 hr |
| Sep 3, 9:15 PM CDT | River Flood Warning | LOT | Boone | 61 hr |
| Sep 3, 9:15 PM CDT | River Flood Warning | LOT | Winnebago | 11 days |
| Sep 3, 9:15 PM CDT | River Flood Warning | LOT | Lee | 70 hr |
| Sep 3, 9:30 PM CDT | River Flood Advisory | LOT | Will | 22 hr |
| Sep 4, 3:56 AM CDT | Flash Flood Watch | DVN | Carroll, Henry, Jo Daviess, Mercer, Rock Island, Stephenson and 1 more | 39 hr |
| Sep 4, 10:23 AM CDT | River Flood Advisory | LOT | Lake | 51 hr |
| Sep 4, 11:21 AM CDT | River Flood Warning | DVN | Rock Island | 9 days |
| Sep 4, 11:21 AM CDT | River Flood Warning | DVN | Rock Island | 11 days |
| Sep 4, 11:21 AM CDT | River Flood Warning | DVN | Mercer, Rock Island | 12 days |
| Sep 4, 11:21 AM CDT | River Flood Warning | DVN | Hancock | 12 days |
| Sep 4, 11:31 AM CDT | River Flood Warning | LSX | Adams | 16 days |
| Sep 4, 11:31 AM CDT | River Flood Warning | LSX | Adams | 16 days |
| Sep 4, 11:31 AM CDT | River Flood Warning | LSX | Adams | 15 days |
| Sep 4, 11:31 AM CDT | River Flood Warning | LSX | Pike | 18 days |
| Sep 4, 11:31 AM CDT | River Flood Warning | LSX | Pike | 16 days |
| Sep 4, 11:31 AM CDT | River Flood Warning | LSX | Pike | 18 days |
| Sep 4, 11:31 AM CDT | River Flood Warning | LSX | Calhoun | 18 days |
| Sep 4, 11:31 AM CDT | River Flood Warning | LSX | Calhoun | 18 days |
| Sep 4, 11:31 AM CDT | River Flood Warning | LSX | Jersey | 17 days |
| Sep 5, 3:10 AM CDT | Small Craft Advisory | LOT | 5 days | |
| Sep 5, 3:23 AM CDT | Beach Hazards Statement | LOT | Lake | 5 days |
| Sep 5, 1:33 PM CDT | Special Weather Statement | DVN | Henderson | 42 min |
| Sep 5, 2:32 PM CDT | Areal Flood Advisory | LOT | Lake | 118 min |
| Sep 5, 2:42 PM CDT | Special Weather Statement | LOT | Lake | 18 min |
| Sep 5, 2:55 PM CDT | Special Marine Warning | LOT | 35 min | |
| Sep 5, 3:03 PM CDT | Special Weather Statement | LOT | LaSalle | 42 min |
| Sep 5, 4:13 PM CDT | Special Weather Statement | LOT | Kendall | 32 min |
| Sep 5, 4:31 PM CDT | Special Weather Statement | DVN | Henderson, McDonough, Warren | 44 min |
| Sep 5, 4:33 PM CDT | Special Weather Statement | DVN | Putnam | 27 min |
| Sep 5, 4:46 PM CDT | Special Weather Statement | LOT | LaSalle | 44 min |
| Sep 5, 5:18 PM CDT | Special Weather Statement | DVN | Warren | 27 min |
| Sep 5, 5:24 PM CDT | Special Weather Statement | LOT | LaSalle | 36 min |
| Sep 5, 6:14 PM CDT | Special Weather Statement | ILX | Knox, Stark | 46 min |
| Sep 5, 6:19 PM CDT | Tornado Warning | ILX | Marshall | 26 min |
| Sep 5, 6:32 PM CDT | Special Weather Statement | LOT | LaSalle | 13 min |
| Sep 5, 7:01 PM CDT | Special Weather Statement | LOT | LaSalle | 14 min |
| Sep 5, 9:38 PM CDT | River Flood Warning | MKX | Lake | 3 days |
| Sep 6, 3:21 AM CDT | Flash Flood Watch | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 60 hr |
| Sep 6, 5:40 AM CDT | Flash Flood Warning | LSX | Adams | 4 hr |
| Sep 6, 7:51 AM CDT | Special Weather Statement | DVN | Rock Island | 114 min |
| Sep 6, 9:13 AM CDT | River Flood Warning | LSX | Fayette | 63 hr |
| Sep 6, 9:26 AM CDT | River Flood Warning | LOT | Kane, Kendall | 47 hr |
| Sep 6, 9:47 AM CDT | River Flood Advisory | LOT | Lake | 36 hr |
| Sep 6, 9:49 AM CDT | River Flood Warning | DVN | Hancock, McDonough | 47 hr |
| Sep 6, 11:03 AM CDT | River Flood Warning | LSX | Calhoun, Greene, Jersey | 8 days |
| Sep 6, 11:52 AM CDT | River Flood Warning | LSX | Madison | 6 days |
| Sep 6, 11:52 AM CDT | River Flood Warning | LSX | Saint Clair | 48 hr |
| Sep 6, 11:52 AM CDT | River Flood Warning | LSX | Jackson, Randolph | 9 days |
| Sep 6, 12:47 PM CDT | Special Weather Statement | ILX | Macon | 58 min |
| Sep 6, 2:38 PM CDT | Flash Flood Watch | DVN | Hancock, Henderson, McDonough, Warren | 36 hr |
| Sep 6, 3:21 PM CDT | Flash Flood Watch | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 27 more | 51 hr |
| Sep 6, 3:33 PM CDT | Flash Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 53 hr |
| Sep 6, 8:26 PM CDT | River Flood Warning | LSX | Brown | 60 hr |
| Sep 6, 10:20 PM CDT | River Flood Warning | LSX | Adams | 6 days |
| Sep 7, 3:02 AM CDT | Small Craft Advisory | LOT | 3 days | |
| Sep 7, 5:03 AM CDT | Special Weather Statement | DVN | Mercer | 117 min |
| Sep 7, 5:06 AM CDT | Flash Flood Warning | ILX | Knox | 14 hr |
| Sep 7, 8:10 AM CDT | Special Weather Statement | DVN | McDonough | 20 min |
| Sep 7, 9:45 AM CDT | River Flood Warning | ILX | Lawrence | 6 days |
| Sep 7, 9:47 AM CDT | River Flood Warning | ILX | Clay, Richland | 8 days |
| Sep 7, 10:12 AM CDT | Areal Flood Advisory | LSX | Adams | 3 hr |
| Sep 7, 10:33 AM CDT | Flash Flood Warning | LSX | Adams | 6 hr |
| Sep 7, 12:12 PM CDT | Flash Flood Warning | ILX | DeWitt, Logan, Macon, Menard, Sangamon | 6 hr |
| Sep 7, 2:06 PM CDT | Flash Flood Warning | ILX | Champaign, Macon, Piatt, Vermilion | 6 hr |
| Sep 7, 2:40 PM CDT | Flash Flood Watch | LOT | Ford, Iroquois | 24 hr |
| Sep 7, 3:14 PM CDT | Flash Flood Warning | ILX | Cass, Christian, Logan, Macon, Menard, Morgan and 2 more | 6 hr |
| Sep 7, 4:31 PM CDT | Areal Flood Warning | LSX | Adams | 18 hr |
| Sep 7, 4:36 PM CDT | Areal Flood Advisory | PAH | White | 53 min |
| Sep 7, 5:31 PM CDT | Flash Flood Warning | LSX | Bond, Fayette, Macoupin, Montgomery | 6 hr |
| Sep 7, 5:49 PM CDT | Areal Flood Advisory | PAH | Wabash | 52 min |
| Sep 7, 5:54 PM CDT | Flash Flood Warning | PAH | Wayne | 102 min |
| Sep 7, 7:26 PM CDT | Flash Flood Warning | LSX | Saint Clair | 6 hr |
| Sep 7, 8:34 PM CDT | Flash Flood Warning | LSX | Monroe, Randolph, Saint Clair | 5 hr |
| Sep 7, 8:39 PM CDT | River Flood Warning | IND | Wabash | 10 days |
| Sep 7, 8:39 PM CDT | River Flood Warning | IND | Wabash | 10 days |
| Sep 7, 8:39 PM CDT | River Flood Warning | IND | Clark, Crawford | 4 days |
| Sep 7, 8:39 PM CDT | River Flood Warning | IND | Crawford, Lawrence | 6 days |
| Sep 7, 8:39 PM CDT | River Flood Warning | IND | Crawford, Lawrence | 64 hr |
| Sep 7, 8:39 PM CDT | River Flood Warning | IND | Edwards, Gallatin, Wabash, White | 8 days |
| Sep 7, 10:08 PM CDT | Areal Flood Advisory | PAH | Wabash | 3 hr |
| Sep 7, 10:23 PM CDT | Flash Flood Warning | PAH | Franklin | 3 hr |
| Sep 7, 11:22 PM CDT | Flash Flood Warning | PAH | Wabash | 3 hr |
| Sep 7, 11:36 PM CDT | Flash Flood Warning | PAH | Jackson | 3 hr |
| Sep 7, 11:56 PM CDT | Flash Flood Warning | PAH | Wayne | 3 hr |
| Sep 8, 12:35 AM CDT | Flash Flood Warning | PAH | Franklin, Williamson | 115 min |
| Sep 8, 12:58 AM CDT | Flash Flood Warning | PAH | Jefferson, Perry | 2 hr |
| Sep 8, 1:31 AM CDT | Areal Flood Warning | LSX | Monroe, Randolph, Saint Clair | 12 hr |
| Sep 8, 2:15 AM CDT | Areal Flood Warning | PAH | Wabash | 6 hr |
| Sep 8, 2:16 AM CDT | Flash Flood Warning | ILX | Clay, Richland | 6 hr |
| Sep 8, 2:30 AM CDT | Areal Flood Warning | PAH | Franklin, Jackson, Williamson | 6 hr |
| Sep 8, 2:45 AM CDT | Areal Flood Warning | PAH | Edwards, Hamilton, Jefferson, Perry, Wayne, White | 6 hr |
| Sep 8, 3:29 AM CDT | Flash Flood Warning | ILX | Jasper | 4 hr |
| Sep 8, 3:32 AM CDT | Lakeshore Flood Advisory | LOT | Lake | 48 hr |
| Sep 8, 5:47 AM CDT | Flash Flood Warning | ILX | Clark, Crawford | 3 hr |
| Sep 8, 7:43 AM CDT | Areal Flood Warning | PAH | Edwards, Franklin, Hamilton, Jackson, Jefferson, Perry and 4 more | 6 hr |
| Sep 8, 7:46 AM CDT | Areal Flood Advisory | ILX | Lawrence | 3 hr |
| Sep 8, 8:44 AM CDT | Areal Flood Warning | LSX | Monroe, Saint Clair | 6 hr |
| Sep 8, 9:06 AM CDT | Areal Flood Warning | LSX | Bond, Clinton, Fayette, Madison, Marion, Randolph and 1 more | 9 hr |
| Sep 8, 9:36 AM CDT | Areal Flood Warning | ILX | Clark, Clay, Crawford, Effingham, Jasper, Lawrence and 1 more | 9 hr |
| Sep 8, 10:07 AM CDT | River Flood Warning | PAH | Wayne, White | 62 hr |
| Sep 8, 10:31 AM CDT | River Flood Warning | ILX | Crawford, Jasper | 18 hr |
| Sep 8, 10:33 AM CDT | River Flood Warning | PAH | Gallatin, Wayne, White | 15 days |
| Sep 8, 10:43 AM CDT | Flash Flood Warning | PAH | Edwards, Franklin, Hamilton, Jefferson, Perry, Wabash and 2 more | 6 hr |
| Sep 8, 11:32 AM CDT | River Flood Warning | IND | Lawrence, Wabash | 3 days |
| Sep 8, 11:32 AM CDT | River Flood Warning | PAH | Alexander, Jackson, Union | 7 days |
| Sep 8, 11:32 AM CDT | River Flood Warning | PAH | Alexander | 71 hr |
| Sep 8, 1:28 PM CDT | Areal Flood Warning | LSX | Monroe, Randolph, Saint Clair | 6 hr |
| Sep 8, 1:40 PM CDT | Flash Flood Warning | ILX | Clay, Crawford, Jasper, Lawrence, Richland | 4 hr |
| Sep 8, 4:39 PM CDT | Areal Flood Warning | PAH | Edwards, Franklin, Hamilton, Jefferson, Perry, Wabash and 2 more | 3 hr |
| Sep 8, 5:58 PM CDT | Areal Flood Warning | LSX | Clinton, Fayette, Madison, Marion, Washington | 12 hr |
| Sep 8, 6:17 PM CDT | Areal Flood Warning | ILX | Clay, Crawford, Effingham, Jasper, Lawrence, Richland | 12 hr |
| Sep 8, 7:29 PM CDT | Areal Flood Warning | LSX | Monroe, Saint Clair | 12 hr |
| Sep 11, 2:43 AM CDT | Dense Fog Advisory | ILX | Clark, Clay, Coles, Crawford, Cumberland, Edgar and 5 more | 6 hr |
| Sep 11, 4:36 AM CDT | Dense Fog Advisory | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kankakee and 6 more | 4 hr |
| Sep 12, 8:42 PM CDT | River Flood Warning | PAH | Jackson | 53 hr |
| Sep 13, 10:10 AM CDT | River Flood Warning | PAH | Alexander, Pulaski | 5 days |
| Sep 14, 10:10 AM CDT | River Flood Warning | PAH | Gallatin, Hardin | 4 days |
| Sep 16, 10:32 AM CDT | River Flood Advisory | LOT | Lake | 78 min |
| Sep 16, 11:46 AM CDT | River Flood Warning | LOT | Lake | 34 hr |
| Sep 18, 5:12 AM CDT | Special Weather Statement | DVN | Jo Daviess | 48 min |
| Sep 18, 8:29 AM CDT | Small Craft Advisory | LOT | 7 hr | |
| Sep 18, 8:39 AM CDT | Beach Hazards Statement | LOT | Lake | 7 hr |
| Sep 18, 11:47 AM CDT | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 58 min |
| Sep 18, 12:32 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Mercer, Warren | 58 min |
| Sep 18, 1:20 PM CDT | Special Weather Statement | DVN | Henderson | 55 min |
| Sep 18, 1:23 PM CDT | Severe Thunderstorm Warning | DVN | Henderson | 39 min |
| Sep 18, 2:04 PM CDT | Special Weather Statement | DVN | Hancock, McDonough | 56 min |
| Sep 18, 3:49 PM CDT | Special Weather Statement | DVN | Hancock, McDonough | 56 min |
| Sep 19, 1:47 AM CDT | Special Weather Statement | DVN | Hancock | 58 min |
| Sep 19, 2:53 AM CDT | Gale Watch | LOT | 6 hr | |
| Sep 19, 11:58 AM CDT | Areal Flood Advisory | PAH | Union | 2 hr |
| Sep 19, 3:52 PM CDT | Special Weather Statement | DVN | Henry, Rock Island | 23 min |
| Sep 20, 3:16 AM CDT | Small Craft Advisory | LOT | 64 hr | |
| Sep 20, 8:48 AM CDT | River Flood Warning | DVN | Stephenson | 8 days |
| Sep 20, 11:19 AM CDT | River Flood Watch | DVN | Henderson | 35 hr |
| Sep 20, 11:19 AM CDT | River Flood Watch | DVN | Hancock, Henderson | 35 hr |
| Sep 20, 12:46 PM CDT | River Flood Watch | LOT | Winnebago | 22 hr |
| Sep 20, 1:02 PM CDT | River Flood Advisory | LOT | Winnebago | 9 days |
| Sep 20, 1:02 PM CDT | River Flood Advisory | LOT | Winnebago | 7 days |
| Sep 20, 1:02 PM CDT | River Flood Advisory | LOT | Ogle | 7 days |
| Sep 20, 3:16 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Kane and 8 more | 89 min |
| Sep 20, 3:44 PM CDT | Beach Hazards Statement | LOT | Lake | 51 hr |
| Sep 21, 1:11 AM CDT | Special Weather Statement | DVN | Carroll, Henderson, Henry, Jo Daviess, Mercer, Rock Island and 3 more | 79 min |
| Sep 21, 10:19 AM CDT | River Flood Advisory | LOT | Winnebago | 41 hr |
| Sep 21, 11:17 AM CDT | River Flood Watch | DVN | Henderson, Mercer | 24 hr |
| Sep 21, 9:58 PM CDT | River Flood Warning | DVN | Henderson, Mercer | 40 days |
| Sep 21, 9:58 PM CDT | River Flood Warning | DVN | Henderson | 43 days |
| Sep 21, 9:58 PM CDT | River Flood Warning | DVN | Hancock, Henderson | 43 days |
| Sep 23, 3:06 AM CDT | River Flood Warning | LOT | Winnebago | 3 days |
| Sep 24, 3:47 AM CDT | Beach Hazards Statement | LOT | Lake | 8 hr |
| Sep 24, 2:51 PM CDT | Areal Flood Advisory | PAH | Alexander, Massac, Pope | 114 min |
| Sep 24, 8:51 PM CDT | River Flood Warning | LSX | Pike | 49 days |
| Sep 24, 8:51 PM CDT | River Flood Warning | LSX | Calhoun | 52 days |
| Sep 25, 3:15 AM CDT | Small Craft Advisory | LOT | 37 hr | |
| Sep 25, 8:10 AM CDT | Flash Flood Warning | PAH | Hamilton | 3 hr |
| Sep 25, 9:00 AM CDT | Areal Flood Advisory | PAH | Edwards, Wabash, Wayne, White | 2 hr |
| Sep 25, 10:46 AM CDT | Areal Flood Advisory | PAH | Gallatin | 3 hr |
| Sep 25, 11:01 AM CDT | Areal Flood Advisory | PAH | Saline | 59 min |
| Sep 25, 1:07 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Hancock, Henderson, Henry and 12 more | 113 min |
| Sep 25, 1:36 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 29 more | 8 hr |
| Sep 25, 2:27 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island, Whiteside | 63 min |
| Sep 25, 2:45 PM CDT | Tornado Warning | DVN | Henderson, Mercer, Warren | 45 min |
| Sep 25, 3:14 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Carroll, Henry, Rock Island, Whiteside | 61 min |
| Sep 25, 3:27 PM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle, Winnebago | 48 min |
| Sep 25, 3:29 PM CDT | Special Weather Statement | ILX | Knox | 46 min |
| Sep 25, 3:39 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 28 more | 96 min |
| Sep 25, 3:48 PM CDT | Tornado Warning | DVN | Whiteside | 6 min |
| Sep 25, 3:48 PM CDT | Special Weather Statement | ILX | Champaign | 27 min |
| Sep 25, 4:01 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 29 min |
| Sep 25, 4:01 PM CDT | Special Weather Statement | ILX | Stark | 29 min |
| Sep 25, 4:01 PM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb, Kane, Kendall, LaSalle, Lee and 2 more | 59 min |
| Sep 25, 4:03 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Stark | 27 min |
| Sep 25, 4:13 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 47 min |
| Sep 25, 4:18 PM CDT | Special Weather Statement | ILX | Knox | 27 min |
| Sep 25, 4:23 PM CDT | River Flood Warning | LSX | Pike | 49 days |
| Sep 25, 4:24 PM CDT | Special Weather Statement | ILX | Vermilion | 51 min |
| Sep 25, 4:34 PM CDT | Special Marine Warning | LOT | 116 min | |
| Sep 25, 4:42 PM CDT | Special Weather Statement | ILX | Marshall, Peoria | 48 min |
| Sep 25, 4:52 PM CDT | Special Weather Statement | LOT | LaSalle | 38 min |
| Sep 25, 4:52 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane, Kendall, Lake, McHenry and 1 more | 68 min |
| Sep 25, 5:21 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 11 more | 114 min |
| Sep 25, 5:22 PM CDT | Special Weather Statement | ILX | Vermilion | 8 min |
| Sep 25, 5:35 PM CDT | Special Weather Statement | LOT | Grundy, Will | 55 min |
| Sep 25, 5:59 PM CDT | Special Weather Statement | ILX | Vermilion | 46 min |
| Sep 25, 5:59 PM CDT | Special Weather Statement | LOT | Kankakee, Will | 61 min |
| Sep 25, 6:25 PM CDT | Special Marine Warning | LOT | 50 min | |
| Sep 25, 6:29 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 31 min |
| Sep 25, 6:54 PM CDT | Special Weather Statement | LOT | Iroquois | 66 min |
| Sep 26, 5:45 AM CDT | River Flood Warning | IND | Clark, Crawford | 15 hr |
| Sep 26, 6:46 AM CDT | River Flood Warning | IND | Crawford, Lawrence | 50 hr |
| Sep 26, 6:46 AM CDT | River Flood Warning | IND | Crawford, Lawrence | 54 hr |
| Sep 28, 2:31 AM CDT | Dense Fog Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 11 more | 7 hr |
| Sep 28, 2:35 AM CDT | Dense Fog Advisory | ILX | Clark, Clay, Crawford, Jasper, Lawrence, Richland | 6 hr |
| Sep 28, 3:31 AM CDT | Frost Advisory | LOT | Boone, DeKalb, Kane, Lee, McHenry, Ogle and 1 more | 7 hr |
| Sep 28, 3:31 AM CDT | Frost Advisory | LOT | Boone, DeKalb, Kane, Lake, Lee, McHenry and 2 more | 28 hr |
| Sep 28, 3:41 AM CDT | Frost Advisory | DVN | Carroll, Jo Daviess, Stephenson, Whiteside | 28 hr |
| Sep 28, 11:11 AM CDT | River Flood Warning | DVN | Mercer | 33 days |
| Sep 28, 11:15 AM CDT | River Flood Watch | DVN | Hancock | 10 hr |
| Sep 28, 12:04 PM CDT | River Flood Warning | LSX | Pike | 35 days |
| Sep 28, 12:04 PM CDT | River Flood Warning | LSX | Calhoun | 37 days |
| Sep 28, 12:04 PM CDT | River Flood Warning | LSX | Adams | 35 days |
| Sep 28, 12:04 PM CDT | River Flood Warning | LSX | Adams | 35 days |
| Sep 28, 9:00 PM CDT | River Flood Warning | DVN | Hancock | 34 days |
| Sep 30, 4:01 AM CDT | Small Craft Advisory | LOT | 33 hr | |
| Sep 30, 4:40 AM CDT | Beach Hazards Statement | LOT | Lake | 6 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 16 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 8 |
| Special Weather Statement | 67 |
| Flooding | |
| Areal Flood Warning | 16 |
| Flash Flood Warning | 22 |
| River Flood Warning | 79 |
| Flash Flood Watch | 11 |
| River Flood Watch | 10 |
| Areal Flood Advisory | 21 |
| River Flood Advisory | 17 |
| Cold | |
| Frost Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
| Coast and beach | |
| Lakeshore Flood Advisory | 1 |
| Beach Hazards Statement | 5 |
| Marine | |
| Special Marine Warning | 6 |
| Gale Watch | 1 |
| Small Craft Advisory | 6 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lake County32
- Winnebago County32
- Rock Island County24
- Ogle County24
- Boone County22
- McHenry County22
- Henderson County22
- Cook County20
- Mercer County20
- Whiteside County20
- Kane County19
- DeKalb County16
- Lee County15
- Hancock County15
- Crawford County15
- Carroll County14
- Lawrence County14
- Wabash County14
- Henry County13
- Jo Daviess County13
- Stephenson County13
- Will County12
- DuPage County12
- Warren County11
- Kendall County11
- LaSalle County11
- Adams County11
- Wayne County11
- White County11
- Knox County10
- McDonough County9
- Clay County9
- Jasper County9
- Richland County9
- Bureau County8
- Stark County8
- Saint Clair County8
- Jackson County8
- Clark County8
- Edwards County8
62 more counties
- Franklin County8
- Putnam County7
- Peoria County7
- Pike County7
- Vermilion County7
- Hamilton County7
- Grundy County6
- Calhoun County6
- Fayette County6
- Monroe County6
- Randolph County6
- Alexander County6
- Gallatin County6
- Jefferson County6
- Perry County6
- Kankakee County5
- Marshall County5
- Macon County5
- Effingham County5
- Williamson County5
- Madison County4
- Champaign County4
- Union County4
- Iroquois County3
- Jersey County3
- Bond County3
- Clinton County3
- Marion County3
- Washington County3
- Coles County3
- Cumberland County3
- Edgar County3
- Fulton County3
- Logan County3
- Menard County3
- Piatt County3
- Sangamon County3
- Hardin County3
- Massac County3
- Pope County3
- Pulaski County3
- Saline County3
- Brown County2
- Greene County2
- Macoupin County2
- Montgomery County2
- Cass County2
- Christian County2
- DeWitt County2
- Douglas County2
- Morgan County2
- Moultrie County2
- Scott County2
- Shelby County2
- Tazewell County2
- Johnson County2
- Livingston County2
- Woodford County2
- McLean County1
- Mason County1
- Schuyler County1
- Ford County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.