Alert archive / Illinois / 2024
Weather alerts in Illinois, August 2024
258 weather alerts in August 2024, 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 August 2024. Tap one for its archive.
- Alerts
- 258
- Warnings
- 108
- Watches
- 9
- Advisories
- 28
- Busiest day
- August 16, 202453 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 |
|---|---|---|---|---|
| Jul 31, 10:38 PM CDT | Special Weather Statement | DVN | Hancock, Henderson | 52 min |
| Jul 31, 11:51 PM CDT | Special Weather Statement | DVN | Mercer, Rock Island | 54 min |
| Aug 1, 12:33 AM CDT | Special Weather Statement | DVN | Bureau, Carroll, Henry, Mercer, Rock Island, Whiteside | 57 min |
| Aug 1, 12:43 AM CDT | Special Weather Statement | ILX | Knox | 32 min |
| Aug 1, 12:51 AM CDT | Special Weather Statement | ILX | Fulton, Knox | 24 min |
| Aug 1, 1:12 AM CDT | Special Weather Statement | ILX | Schuyler | 18 min |
| Aug 1, 1:27 AM CDT | Special Weather Statement | ILX | Fulton | 18 min |
| Aug 1, 2:01 AM CDT | Special Weather Statement | ILX | Fulton | 14 min |
| Aug 1, 2:03 AM CDT | Special Weather Statement | ILX | Schuyler | 27 min |
| Aug 1, 2:18 AM CDT | Special Weather Statement | ILX | Mason | 27 min |
| Aug 1, 2:19 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Cass, Christian, Fayette, Greene and 12 more | 86 min |
| Aug 1, 2:22 AM CDT | Special Weather Statement | ILX | Cass | 23 min |
| Aug 1, 2:45 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason, Menard, Morgan, Sangamon | 45 min |
| Aug 1, 2:59 AM CDT | Special Weather Statement | ILX | Tazewell | 31 min |
| Aug 1, 3:07 AM CDT | Severe Thunderstorm Warning | ILX | Logan, Mason, Menard, Sangamon, Tazewell | 38 min |
| Aug 1, 3:25 AM CDT | Special Weather Statement | ILX | McLean, Woodford | 35 min |
| Aug 1, 3:40 AM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, Macon | 35 min |
| Aug 1, 4:12 AM CDT | Special Weather Statement | ILX | DeWitt, McLean, Piatt | 33 min |
| Aug 1, 4:32 AM CDT | Special Weather Statement | ILX | Champaign, Douglas | 43 min |
| Aug 1, 4:39 AM CDT | Special Weather Statement | LOT | Ford | 51 min |
| Aug 1, 6:55 AM CDT | Special Weather Statement | ILX | Champaign, Clark, Douglas, Edgar | 35 min |
| Aug 1, 11:18 AM CDT | Mesoscale Discussion | SPC | Clay, Clinton, Crawford, Edwards, Effingham, Fayette and 18 more | 87 min |
| Aug 1, 11:47 AM CDT | Severe Thunderstorm Warning | LSX | Marion | 13 min |
| Aug 1, 11:48 AM CDT | Severe Thunderstorm Warning | ILX | Clay | 42 min |
| Aug 1, 11:51 AM CDT | Severe Thunderstorm Warning | PAH | Jefferson, Wayne | 39 min |
| Aug 1, 11:59 AM CDT | Tornado Warning | ILX | Clay | 31 min |
| Aug 1, 11:59 AM CDT | River Flood Warning | LSX | Pike | 27 hr |
| Aug 1, 12:07 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Crawford, Edwards, Gallatin, Hamilton, Jasper and 6 more | 7 hr |
| Aug 1, 12:09 PM CDT | Areal Flood Advisory | LSX | Marion | 3 hr |
| Aug 1, 12:26 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wabash, Wayne | 49 min |
| Aug 1, 12:28 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Jasper, Richland | 47 min |
| Aug 1, 12:40 PM CDT | Special Weather Statement | PAH | Hamilton | 50 min |
| Aug 1, 12:47 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Hamilton, Wabash, Wayne, White | 43 min |
| Aug 1, 12:55 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence, Richland | 50 min |
| Aug 1, 1:02 PM CDT | Severe Thunderstorm Warning | PAH | Wabash, White | 43 min |
| Aug 1, 1:16 PM CDT | Areal Flood Advisory | ILX | Clay, Lawrence, Richland | 3 hr |
| Aug 1, 1:31 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, White | 44 min |
| Aug 1, 1:49 PM CDT | Areal Flood Advisory | PAH | Edwards, Wabash, Wayne, White | 3 hr |
| Aug 1, 2:16 PM CDT | Flash Flood Warning | PAH | Gallatin, White | 3 hr |
| Aug 1, 2:28 PM CDT | Special Weather Statement | PAH | Gallatin | 62 min |
| Aug 1, 2:51 PM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin | 84 min |
| Aug 1, 5:40 PM CDT | Special Weather Statement | LOT | Kane | 35 min |
| Aug 1, 8:44 PM CDT | River Flood Warning | ILX | Clay, Richland | 22 hr |
| Aug 1, 8:51 PM CDT | Special Weather Statement | PAH | Edwards | 39 min |
| Aug 1, 9:01 PM CDT | Special Weather Statement | LOT | Iroquois | 44 min |
| Aug 1, 9:27 PM CDT | Special Weather Statement | PAH | White | 18 min |
| Aug 2, 1:30 AM CDT | Special Weather Statement | PAH | Hardin, Johnson, Pope | 45 min |
| Aug 2, 1:38 AM CDT | Severe Thunderstorm Warning | PAH | Johnson, Massac, Pope | 37 min |
| Aug 5, 5:22 AM CDT | Special Marine Warning | LOT | 53 min | |
| Aug 5, 5:55 AM CDT | Special Marine Warning | LOT | 104 min | |
| Aug 5, 6:49 AM CDT | Special Weather Statement | LOT | Cook | 26 min |
| Aug 5, 7:00 AM CDT | Special Marine Warning | LOT | 90 min | |
| Aug 5, 7:32 AM CDT | Special Weather Statement | LOT | Will | 58 min |
| Aug 5, 8:01 AM CDT | Severe Thunderstorm Warning | LOT | Cook | 29 min |
| Aug 5, 8:04 AM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 26 min |
| Aug 5, 8:35 AM CDT | Special Weather Statement | LOT | Will | 40 min |
| Aug 5, 8:48 AM CDT | Severe Thunderstorm Warning | LOT | Kankakee, Will | 42 min |
| Aug 5, 9:30 AM CDT | Special Weather Statement | LOT | Kankakee | 45 min |
| Aug 5, 11:02 AM CDT | Heat Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, McDonough and 5 more | 9 hr |
| Aug 5, 2:04 PM CDT | Heat Advisory | LSX | Bond, Calhoun, Clinton, Fayette, Jersey, Madison and 5 more | 28 hr |
| Aug 5, 2:47 PM CDT | Small Craft Advisory | LOT | 48 hr | |
| Aug 5, 2:59 PM CDT | Beach Hazards Statement | LOT | Cook, Lake | 54 hr |
| Aug 5, 4:29 PM CDT | Special Weather Statement | LOT | DuPage | 31 min |
| Aug 5, 4:47 PM CDT | Special Weather Statement | DVN | Whiteside | 43 min |
| Aug 5, 4:59 PM CDT | Special Weather Statement | LOT | Will | 46 min |
| Aug 5, 5:09 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 13 more | 66 min |
| Aug 5, 5:23 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Whiteside | 23 min |
| Aug 5, 5:24 PM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle | 51 min |
| Aug 5, 5:33 PM CDT | Areal Flood Advisory | LOT | Cook, DuPage | 117 min |
| Aug 5, 5:39 PM CDT | Special Weather Statement | LOT | Ogle | 36 min |
| Aug 5, 5:46 PM CDT | Areal Flood Advisory | LOT | Cook, Will | 3 hr |
| Aug 5, 5:52 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, DeKalb, Grundy, Jo Daviess, Kane and 9 more | 8 hr |
| Aug 5, 5:58 PM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle | 47 min |
| Aug 5, 6:28 PM CDT | Special Weather Statement | LOT | Kendall | 47 min |
| Aug 5, 6:34 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 41 min |
| Aug 5, 7:12 PM CDT | Special Weather Statement | LOT | Kendall, Will | 48 min |
| Aug 5, 7:26 PM CDT | Tornado Warning | DVN | Stephenson | 32 min |
| Aug 5, 7:44 PM CDT | Tornado Warning | LOT | Winnebago | 31 min |
| Aug 5, 9:40 PM CDT | Mesoscale Discussion | SPC | Jo Daviess | 65 min |
| Aug 5, 11:38 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Stephenson | 37 min |
| Aug 6, 2:26 AM CDT | Mesoscale Discussion | SPC | Boone, Lake, McHenry | 2 hr |
| Aug 6, 2:35 AM CDT | Special Marine Warning | LOT | 3 hr | |
| Aug 6, 2:53 AM CDT | Special Weather Statement | LOT | Boone, McHenry | 52 min |
| Aug 6, 3:20 AM CDT | Severe Thunderstorm Warning | LOT | Kane, McHenry | 40 min |
| Aug 6, 3:36 AM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Lake | 39 min |
| Aug 6, 3:40 AM CDT | Special Marine Warning | LOT | 107 min | |
| Aug 6, 4:02 AM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Lake | 43 min |
| Aug 8, 3:25 AM CDT | Small Craft Advisory | LOT | 48 hr | |
| Aug 14, 3:43 AM CDT | Dense Fog Advisory | LOT | Lake, McHenry | 5 hr |
| Aug 14, 3:12 PM CDT | Small Craft Advisory | LOT | 31 hr | |
| Aug 15, 2:52 AM CDT | Special Weather Statement | DVN | Rock Island | 68 min |
| Aug 15, 3:44 AM CDT | Beach Hazards Statement | LOT | Cook, Lake | 18 hr |
| Aug 15, 4:01 PM CDT | Mesoscale Discussion | SPC | Monroe, Randolph | 2 hr |
| Aug 15, 4:09 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 36 min |
| Aug 15, 4:28 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 15 min |
| Aug 15, 4:41 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 49 min |
| Aug 15, 5:02 PM CDT | Tornado Warning | PAH | Jackson | 28 min |
| Aug 15, 5:03 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 57 min |
| Aug 15, 5:15 PM CDT | Severe Thunderstorm Warning | PAH | Perry | 23 min |
| Aug 15, 5:24 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Union, Williamson | 40 min |
| Aug 15, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 5 hr |
| Aug 15, 5:48 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 42 min |
| Aug 15, 6:18 PM CDT | Special Weather Statement | PAH | Union | 27 min |
| Aug 15, 7:04 PM CDT | Special Weather Statement | PAH | Union | 41 min |
| Aug 15, 7:13 PM CDT | Mesoscale Discussion | SPC | Franklin, Gallatin, Hamilton, Hardin, Jackson, Jefferson and 7 more | 92 min |
| Aug 15, 7:20 PM CDT | Areal Flood Advisory | PAH | Jackson | 3 hr |
| Aug 15, 7:30 PM CDT | Areal Flood Advisory | LSX | Randolph | 3 hr |
| Aug 15, 7:52 PM CDT | Severe Thunderstorm Warning | PAH | Johnson, Massac, Pulaski, Union | 38 min |
| Aug 15, 8:12 PM CDT | Special Weather Statement | PAH | Union | 48 min |
| Aug 15, 8:25 PM CDT | Severe Thunderstorm Warning | PAH | Johnson, Massac, Pope, Pulaski | 24 min |
| Aug 15, 8:45 PM CDT | Severe Thunderstorm Warning | PAH | Massac, Pope, Pulaski | 45 min |
| Aug 15, 8:47 PM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Johnson, Massac, Monroe, Perry and 6 more | 118 min |
| Aug 15, 8:51 PM CDT | Mesoscale Discussion | SPC | Bureau, Fulton, Hancock, Henderson, Henry, Knox and 8 more | 84 min |
| Aug 15, 9:08 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, DeWitt, Fulton, Hancock, Henderson, Henry and 15 more | 6 hr |
| Aug 15, 9:27 PM CDT | Special Weather Statement | DVN | Henderson, Mercer | 78 min |
| Aug 15, 9:31 PM CDT | Areal Flood Advisory | PAH | Massac, Pulaski | 3 hr |
| Aug 15, 9:51 PM CDT | Severe Thunderstorm Warning | DVN | Henderson | 39 min |
| Aug 15, 10:19 PM CDT | Special Weather Statement | ILX | Knox | 26 min |
| Aug 15, 10:22 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, McDonough, Warren | 35 min |
| Aug 15, 10:40 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Stark | 37 min |
| Aug 15, 10:52 PM CDT | Special Weather Statement | DVN | Rock Island | 53 min |
| Aug 15, 10:59 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Peoria, Stark | 46 min |
| Aug 15, 11:22 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Peoria, Stark, Tazewell, Woodford | 38 min |
| Aug 15, 11:34 PM CDT | Mesoscale Discussion | SPC | DeWitt, Fulton, Livingston, Logan, McDonough, McLean and 10 more | 86 min |
| Aug 15, 11:39 PM CDT | Special Weather Statement | DVN | Putnam | 51 min |
| Aug 15, 11:47 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 58 min |
| Aug 16, 12:03 AM CDT | Special Weather Statement | DVN | McDonough | 27 min |
| Aug 16, 12:04 AM CDT | Special Weather Statement | ILX | Knox | 26 min |
| Aug 16, 12:10 AM CDT | Severe Thunderstorm Warning | ILX | Marshall, Woodford | 20 min |
| Aug 16, 12:33 AM CDT | Special Weather Statement | LOT | Grundy, Livingston | 42 min |
| Aug 16, 12:49 AM CDT | Special Weather Statement | ILX | Fulton | 11 min |
| Aug 16, 12:52 AM CDT | Special Weather Statement | ILX | Fulton | 23 min |
| Aug 16, 1:11 AM CDT | Special Weather Statement | PAH | Hamilton | 49 min |
| Aug 16, 1:12 AM CDT | Special Weather Statement | ILX | Mason | 18 min |
| Aug 16, 1:12 AM CDT | Special Weather Statement | LOT | Cook, DuPage | 63 min |
| Aug 16, 1:15 AM CDT | Severe Thunderstorm Warning | PAH | Hamilton, Jefferson, Wayne, White | 45 min |
| Aug 16, 1:19 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, Christian, Coles and 33 more | 116 min |
| Aug 16, 1:27 AM CDT | Special Weather Statement | LOT | Kendall | 18 min |
| Aug 16, 1:34 AM CDT | Special Weather Statement | ILX | Logan, Menard | 26 min |
| Aug 16, 1:46 AM CDT | Special Weather Statement | ILX | McLean | 29 min |
| Aug 16, 2:06 AM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Will | 3 hr |
| Aug 16, 2:09 AM CDT | Flash Flood Warning | ILX | McLean | 3 hr |
| Aug 16, 2:18 AM CDT | Areal Flood Advisory | LOT | Ford, Iroquois, Livingston | 3 hr |
| Aug 16, 3:26 AM CDT | Severe Thunderstorm Warning | ILX | Christian | 34 min |
| Aug 16, 1:53 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Jo Daviess, McHenry, Stephenson, Winnebago | 3 hr |
| Aug 16, 4:16 PM CDT | Special Weather Statement | DVN | Jo Daviess | 29 min |
| Aug 16, 4:37 PM CDT | Special Weather Statement | LOT | Cook | 23 min |
| Aug 16, 5:31 PM CDT | Special Weather Statement | DVN | Carroll, Whiteside | 44 min |
| Aug 16, 5:31 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Kane and 8 more | 119 min |
| Aug 16, 5:33 PM CDT | Special Weather Statement | LOT | Winnebago | 42 min |
| Aug 16, 5:56 PM CDT | Special Weather Statement | LOT | Boone, Ogle | 34 min |
| Aug 16, 6:23 PM CDT | Special Weather Statement | LOT | Lee | 52 min |
| Aug 16, 6:31 PM CDT | Special Weather Statement | LOT | Kane | 44 min |
| Aug 16, 6:40 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, LaSalle, Lee, Ogle | 35 min |
| Aug 16, 6:43 PM CDT | Special Weather Statement | DVN | Bureau | 32 min |
| Aug 16, 6:45 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane | 30 min |
| Aug 16, 7:01 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane | 44 min |
| Aug 16, 7:02 PM CDT | Special Marine Warning | LOT | 88 min | |
| Aug 16, 7:08 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, DuPage, Kane, Kendall, LaSalle, Will | 37 min |
| Aug 16, 7:35 PM CDT | Special Weather Statement | LOT | LaSalle | 25 min |
| Aug 16, 7:40 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Will | 35 min |
| Aug 16, 8:15 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 45 min |
| Aug 16, 8:31 PM CDT | Special Marine Warning | LOT | 44 min | |
| Aug 16, 8:41 PM CDT | Special Weather Statement | LOT | Kankakee | 49 min |
| Aug 16, 8:47 PM CDT | Special Weather Statement | ILX | Tazewell | 28 min |
| Aug 16, 9:05 PM CDT | Special Weather Statement | ILX | McLean | 25 min |
| Aug 16, 9:20 PM CDT | Special Weather Statement | ILX | McLean, Tazewell | 25 min |
| Aug 16, 9:29 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell | 46 min |
| Aug 16, 10:00 PM CDT | Special Weather Statement | LOT | Ford | 45 min |
| Aug 16, 10:18 PM CDT | Special Weather Statement | ILX | McLean | 27 min |
| Aug 17, 3:33 AM CDT | Small Craft Advisory | LOT | 3 days | |
| Aug 17, 3:42 AM CDT | Beach Hazards Statement | LOT | Cook, Lake | 4 days |
| Aug 24, 2:08 PM CDT | Heat Advisory | DVN | Hancock, Henderson | 30 hr |
| Aug 24, 2:32 PM CDT | Excessive Heat Watch | LOT | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more | 48 hr |
| Aug 25, 2:11 AM CDT | Excessive Heat Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 37 hr |
| Aug 25, 2:11 AM CDT | Excessive Heat Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 66 hr |
| Aug 25, 2:27 AM CDT | Excessive Heat Watch | ILX | Cass, Champaign, DeWitt, Fulton, Knox, Logan and 15 more | 35 hr |
| Aug 25, 2:27 AM CDT | Excessive Heat Warning | ILX | Fulton, Knox, Peoria, Schuyler, Stark | 42 hr |
| Aug 25, 2:27 AM CDT | Heat Advisory | ILX | Cass, Logan, McLean, Marshall, Mason, Menard and 5 more | 42 hr |
| Aug 25, 2:39 AM CDT | Heat Advisory | LSX | Adams, Brown, Calhoun, Pike | 65 hr |
| Aug 25, 3:35 AM CDT | Heat Advisory | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 8 more | 40 hr |
| Aug 25, 2:13 PM CDT | Excessive Heat Warning | LOT | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more | 54 hr |
| Aug 25, 2:17 PM CDT | Heat Advisory | LSX | Bond, Clinton, Fayette, Greene, Jersey, Macoupin and 7 more | 5 days |
| Aug 25, 2:22 PM CDT | Heat Advisory | ILX | Christian, Clark, Clay, Coles, Crawford, Cumberland and 8 more | 54 hr |
| Aug 26, 1:55 PM CDT | Excessive Heat Warning | ILX | Cass, Champaign, DeWitt, Fulton, Knox, Logan and 15 more | 30 hr |
| Aug 27, 11:25 AM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 6 more | 3 hr |
| Aug 27, 12:04 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Lake, McHenry, Winnebago | 2 hr |
| Aug 27, 4:46 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 44 min |
| Aug 27, 4:47 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 24 more | 88 min |
| Aug 27, 4:54 PM CDT | Beach Hazards Statement | LOT | Cook, Lake | 11 hr |
| Aug 27, 4:54 PM CDT | Lakeshore Flood Advisory | LOT | Cook, Lake | 11 hr |
| Aug 27, 5:09 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more | 6 hr |
| Aug 27, 5:16 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Greene, Jersey, Pike and 1 more | 119 min |
| Aug 27, 5:17 PM CDT | Severe Thunderstorm Warning | LOT | McHenry | 73 min |
| Aug 27, 5:45 PM CDT | Special Marine Warning | LOT | 2 hr | |
| Aug 27, 5:45 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 75 min |
| Aug 27, 5:54 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 81 min |
| Aug 27, 6:24 PM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Kane, Lake, McHenry, Will | 96 min |
| Aug 27, 6:58 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 32 min |
| Aug 27, 7:04 PM CDT | Special Marine Warning | LOT | 71 min | |
| Aug 27, 7:16 PM CDT | Special Weather Statement | LOT | Cook, DuPage | 29 min |
| Aug 27, 7:31 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 29 min |
| Aug 27, 7:40 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Stark | 35 min |
| Aug 27, 7:41 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 34 min |
| Aug 27, 7:44 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 31 min |
| Aug 27, 7:48 PM CDT | Special Weather Statement | DVN | Hancock | 42 min |
| Aug 27, 8:09 PM CDT | Areal Flood Advisory | LOT | Cook, DuPage | 3 hr |
| Aug 27, 8:13 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, Henderson, McDonough, Warren | 47 min |
| Aug 27, 8:18 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Will | 42 min |
| Aug 27, 8:23 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 37 min |
| Aug 27, 8:26 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Marshall, Stark | 39 min |
| Aug 27, 8:34 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Mercer, Warren | 41 min |
| Aug 27, 8:51 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, McDonough, Warren | 24 min |
| Aug 27, 8:55 PM CDT | Areal Flood Advisory | LOT | LaSalle | 3 hr |
| Aug 27, 9:05 PM CDT | Severe Thunderstorm Warning | DVN | Putnam | 25 min |
| Aug 27, 9:10 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 50 min |
| Aug 27, 9:17 PM CDT | Severe Thunderstorm Warning | DVN | McDonough, Warren | 21 min |
| Aug 27, 9:20 PM CDT | Special Weather Statement | DVN | Rock Island | 40 min |
| Aug 27, 9:39 PM CDT | Mesoscale Discussion | SPC | Fulton, Grundy, Iroquois, Kankakee, Knox, LaSalle and 8 more | 96 min |
| Aug 27, 10:02 PM CDT | Special Weather Statement | DVN | Henry, Mercer, Rock Island | 43 min |
| Aug 27, 10:11 PM CDT | Special Weather Statement | LOT | Kankakee | 34 min |
| Aug 27, 10:30 PM CDT | Special Weather Statement | LOT | Kankakee | 30 min |
| Aug 27, 10:40 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell | 35 min |
| Aug 27, 11:03 PM CDT | Special Weather Statement | DVN | Carroll, Jo Daviess, Stephenson, Whiteside | 42 min |
| Aug 28, 4:35 AM CDT | Special Weather Statement | PAH | Franklin | 40 min |
| Aug 28, 4:57 AM CDT | Severe Thunderstorm Warning | PAH | Franklin, Jefferson | 33 min |
| Aug 28, 6:10 PM CDT | Special Weather Statement | PAH | Perry | 20 min |
| Aug 28, 6:42 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 29 min |
| Aug 28, 7:02 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 43 min |
| Aug 28, 8:28 PM CDT | Special Weather Statement | PAH | Jefferson | 32 min |
| Aug 29, 5:29 AM CDT | Dense Fog Advisory | LOT | Ford, Iroquois, Kankakee, Livingston | 3 hr |
| Aug 29, 3:59 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 26 min |
| Aug 30, 12:02 AM CDT | Special Weather Statement | DVN | Jo Daviess | 43 min |
| Aug 30, 12:41 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 34 min |
| Aug 30, 2:56 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 34 min |
| Aug 30, 3:05 PM CDT | Small Craft Advisory | LOT | 67 hr | |
| Aug 30, 3:07 PM CDT | Beach Hazards Statement | LOT | Cook, Lake | 68 hr |
| Aug 30, 3:24 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 45 min |
| Aug 30, 3:41 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Champaign, Christian, Clark, Clinton and 27 more | 3 hr |
| Aug 30, 3:57 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 28 min |
| Aug 30, 4:20 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 38 min |
| Aug 30, 4:23 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Macoupin | 21 min |
| Aug 30, 4:33 PM CDT | Flash Flood Warning | ILX | Sangamon | 4 hr |
| Aug 30, 4:41 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Sangamon | 19 min |
| Aug 30, 4:59 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon | 31 min |
| Aug 30, 5:06 PM CDT | Flash Flood Warning | LSX | Macoupin, Montgomery | 94 min |
| Aug 30, 5:11 PM CDT | Special Weather Statement | LOT | Iroquois | 34 min |
| Aug 30, 5:30 PM CDT | Special Weather Statement | ILX | Macon | 15 min |
| Aug 30, 5:41 PM CDT | Flash Flood Warning | ILX | Macon | 2 hr |
| Aug 30, 5:58 PM CDT | Special Weather Statement | ILX | Champaign, Piatt | 32 min |
| Aug 30, 6:12 PM CDT | Flash Flood Warning | ILX | Piatt | 3 hr |
| Aug 30, 6:38 PM CDT | Flash Flood Warning | ILX | Champaign | 3 hr |
| Aug 30, 6:50 PM CDT | Special Weather Statement | ILX | Champaign, Vermilion | 25 min |
| Aug 30, 7:05 PM CDT | Special Weather Statement | ILX | Sangamon | 25 min |
| Aug 30, 7:18 PM CDT | Flash Flood Warning | ILX | Vermilion | 3 hr |
| Aug 30, 7:36 PM CDT | Flash Flood Warning | ILX | Morgan | 2 hr |
| Aug 31, 1:12 PM CDT | Special Weather Statement | PAH | Alexander | 33 min |
| Aug 31, 2:15 PM CDT | Special Weather Statement | PAH | Hardin, Pope | 45 min |
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 | 80 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 6 |
| Mesoscale Discussion | 21 |
| Special Weather Statement | 87 |
| Flooding | |
| Flash Flood Warning | 9 |
| River Flood Warning | 2 |
| Areal Flood Advisory | 12 |
| Heat | |
| Excessive Heat Warning | 4 |
| Excessive Heat Watch | 3 |
| Heat Advisory | 8 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Coast and beach | |
| Lakeshore Flood Advisory | 1 |
| Beach Hazards Statement | 5 |
| Marine | |
| Special Marine Warning | 9 |
| Small Craft Advisory | 5 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County34
- Will County24
- DuPage County23
- Lake County21
- McHenry County18
- LaSalle County17
- Knox County16
- Kane County16
- Fulton County15
- Boone County15
- Henderson County14
- Tazewell County14
- McLean County14
- Lee County14
- Ogle County14
- Carroll County13
- Kankakee County13
- Kendall County13
- Winnebago County13
- Stark County13
- Livingston County13
- McDonough County12
- DeKalb County12
- Marshall County12
- Peoria County12
- Mercer County11
- Rock Island County11
- Whiteside County11
- Logan County11
- Sangamon County11
- Woodford County11
- White County11
- Iroquois County11
- Putnam County11
- Warren County11
- Hancock County10
- Mason County10
- Jackson County10
- Randolph County10
- Grundy County10
62 more counties
- Jo Daviess County10
- Bureau County9
- Macon County9
- Menard County9
- Champaign County9
- Ford County9
- Pope County9
- Henry County8
- Morgan County8
- DeWitt County8
- Piatt County8
- Clay County8
- Gallatin County8
- Hamilton County8
- Stephenson County8
- Union County8
- Schuyler County7
- Calhoun County7
- Cass County7
- Christian County7
- Jersey County7
- Macoupin County7
- Scott County7
- Jefferson County7
- Richland County7
- Wayne County7
- Johnson County7
- Massac County7
- Edwards County6
- Hardin County6
- Marion County6
- Perry County6
- Wabash County6
- Pulaski County6
- Vermilion County6
- Fayette County5
- Greene County5
- Montgomery County5
- Pike County5
- Douglas County5
- Franklin County5
- Jasper County5
- Lawrence County5
- Washington County5
- Williamson County5
- Monroe County5
- Bond County4
- Madison County4
- Shelby County4
- Clinton County4
- Saline County4
- Saint Clair County4
- Clark County3
- Edgar County3
- Crawford County3
- Effingham County3
- Alexander County3
- Adams County3
- Brown County3
- Coles County3
- Moultrie County3
- Cumberland County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.