Alert archive / Illinois / Mesoscale Discussions
Mesoscale Discussions in Illinois, 2023
170 mesoscale discussions in 2023. 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Mesoscale Discussions
- 170
- Busiest month
- July41 mesoscale discussions
- Busiest day
- March 31, 202311 mesoscale discussions
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 2, 7:09 PM CST | Mesoscale Discussion | SPC | Alexander, Massac, Pulaski | 96 min |
| Jan 3, 2:06 PM CST | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 28 more | 2 hr |
| Jan 12, 12:41 AM CST | Mesoscale Discussion | SPC | Alexander, Massac, Pulaski | 4 hr |
| Jan 24, 11:44 PM CST | Mesoscale Discussion | SPC | Clark, Clay, Clinton, Crawford, Edwards, Effingham and 21 more | 6 hr |
| Jan 30, 6:06 PM CST | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 4 more | 5 hr |
| Feb 9, 9:48 AM CST | Mesoscale Discussion | SPC | Jo Daviess, Stephenson | 4 hr |
| Feb 16, 8:02 AM CST | Mesoscale Discussion | SPC | Boone, Carroll, Jo Daviess, McHenry, Ogle, Stephenson and 2 more | 6 hr |
| Feb 22, 8:46 AM CST | Mesoscale Discussion | SPC | Boone, Jo Daviess, McHenry, Stephenson, Winnebago | 5 hr |
| Feb 22, 10:59 AM CST | Mesoscale Discussion | SPC | Champaign, Christian, Clark, Coles, Crawford, Cumberland and 11 more | 91 min |
| Feb 22, 12:04 PM CST | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clinton, Fayette, Greene and 19 more | 56 min |
| Feb 22, 2:27 PM CST | Mesoscale Discussion | SPC | Alexander, Bond, Champaign, Christian, Clark, Clay and 40 more | 2 hr |
| Feb 22, 3:27 PM CST | Mesoscale Discussion | SPC | Boone, Lake, McHenry, Winnebago | 4 hr |
| Feb 27, 1:43 AM CST | Mesoscale Discussion | SPC | Adams, Alexander, Brown, Calhoun, Greene, Hancock and 8 more | 62 min |
| Feb 27, 8:46 AM CST | Mesoscale Discussion | SPC | Champaign, Ford, Iroquois, Piatt, Vermilion | 89 min |
| Feb 27, 9:44 AM CST | Mesoscale Discussion | SPC | Clark, Douglas, Edgar, Vermilion | 61 min |
| Mar 1, 4:56 PM CST | Mesoscale Discussion | SPC | Hardin, Massac | 64 min |
| Mar 3, 4:01 AM CST | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 1 more | 2 hr |
| Mar 3, 10:15 AM CST | Mesoscale Discussion | SPC | Massac | 3 hr |
| Mar 22, 9:55 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Effingham, Fayette, Greene and 10 more | 95 min |
| Mar 22, 6:31 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, DeWitt, Fulton, Logan and 7 more | 119 min |
| Mar 23, 7:22 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 8 more | 113 min |
| Mar 25, 3:47 AM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Jo Daviess, McHenry, Ogle, Stephenson and 2 more | 4 hr |
| Mar 26, 1:41 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clinton, Coles and 24 more | 2 hr |
| Mar 31, 8:36 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Greene, Hancock, Jersey and 8 more | 84 min |
| Mar 31, 10:37 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 10 more | 53 min |
| Mar 31, 11:24 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Calhoun, Carroll, Cass and 27 more | 96 min |
| Mar 31, 12:53 PM CDT | Mesoscale Discussion | SPC | Alexander, Clinton, Franklin, Jackson, Jefferson, Johnson and 10 more | 97 min |
| Mar 31, 1:32 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Fulton, Hancock, Knox, McDonough and 5 more | 118 min |
| Mar 31, 2:07 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 26 more | 83 min |
| Mar 31, 3:17 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Fulton, Greene and 20 more | 88 min |
| Mar 31, 3:50 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 21 more | 55 min |
| Mar 31, 5:18 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Calhoun, Carroll, Cass and 27 more | 117 min |
| Mar 31, 5:30 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Calhoun, Carroll, Cass and 27 more | 2 hr |
| Mar 31, 6:20 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Cook, Crawford, Cumberland and 21 more | 115 min |
| Mar 31, 7:54 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Champaign, Clark, Coles, Cook and 29 more | 2 hr |
| Mar 31, 9:31 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 9 more | 119 min |
| Apr 4, 8:00 AM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Jo Daviess, McHenry, Ogle, Rock Island and 3 more | 3 hr |
| Apr 4, 10:16 AM CDT | Mesoscale Discussion | SPC | Bureau, DeKalb, Henry, Kendall, LaSalle, Lee and 2 more | 89 min |
| Apr 4, 12:53 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 2 more | 67 min |
| Apr 4, 1:49 PM CDT | Mesoscale Discussion | SPC | Fulton, Hancock, Henderson, Henry, Knox, McDonough and 5 more | 116 min |
| Apr 4, 6:18 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Greene, Hancock and 11 more | 87 min |
| Apr 4, 7:54 PM CDT | Mesoscale Discussion | SPC | Livingston, McLean, Tazewell, Woodford | 96 min |
| Apr 5, 3:27 AM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Bureau, Calhoun, Cass and 48 more | 93 min |
| Apr 5, 3:48 AM CDT | Mesoscale Discussion | SPC | Jackson, Union, Williamson | 27 min |
| Apr 5, 5:19 AM CDT | Mesoscale Discussion | SPC | Crawford, Edwards, Lawrence, Richland, Wabash | 86 min |
| Apr 5, 11:51 AM CDT | Mesoscale Discussion | SPC | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 84 min |
| Apr 15, 8:50 AM CDT | Mesoscale Discussion | SPC | Alexander, Calhoun, Jackson, Jersey, Madison, Monroe and 3 more | 85 min |
| Apr 15, 11:39 AM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Macoupin, Madison, Monroe and 4 more | 3 hr |
| Apr 15, 3:21 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Clinton, Greene, Jackson and 10 more | 114 min |
| Apr 15, 5:07 PM CDT | Mesoscale Discussion | SPC | Calhoun, Jersey, Madison, Monroe, Saint Clair | 83 min |
| Apr 15, 6:50 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Effingham, Fayette and 20 more | 85 min |
| Apr 15, 7:56 PM CDT | Mesoscale Discussion | SPC | Christian, Clark, Coles, Crawford, Cumberland, Douglas and 7 more | 94 min |
| Apr 15, 9:48 PM CDT | Mesoscale Discussion | SPC | Clark, Coles, Crawford, Douglas, Edgar, Edwards and 9 more | 87 min |
| Apr 19, 11:48 AM CDT | Mesoscale Discussion | SPC | Brown, Cass, DeWitt, Fulton, LaSalle, Livingston and 15 more | 117 min |
| Apr 19, 2:42 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DeWitt, DuPage and 24 more | 2 hr |
| Apr 20, 12:25 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Greene, Hancock and 6 more | 2 hr |
| Apr 20, 1:50 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 21 more | 85 min |
| Apr 20, 3:10 PM CDT | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Christian, Clinton and 16 more | 95 min |
| Apr 20, 3:41 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Fulton and 24 more | 94 min |
| Apr 20, 5:23 PM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 18 more | 97 min |
| Apr 20, 5:36 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Cass, Christian, Clark and 43 more | 84 min |
| May 6, 2:00 PM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Edwards, Effingham, Fayette and 6 more | 2 hr |
| May 6, 8:12 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Christian, Fulton, Greene and 22 more | 93 min |
| May 6, 11:34 PM CDT | Mesoscale Discussion | SPC | Brown, Cass, Fulton, Hancock, Henderson, Knox and 11 more | 86 min |
| May 7, 1:37 AM CDT | Mesoscale Discussion | SPC | Fulton, Hancock, Henderson, Knox, McDonough, Mason and 3 more | 113 min |
| May 7, 2:21 AM CDT | Mesoscale Discussion | SPC | Clark, Coles, Cumberland, Moultrie | 114 min |
| May 7, 4:05 AM CDT | Mesoscale Discussion | SPC | Christian, Clark, Coles, Crawford, Cumberland, Douglas and 7 more | 85 min |
| May 7, 1:00 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Christian, Clay, Clinton, Effingham and 30 more | 2 hr |
| May 7, 3:40 PM CDT | Mesoscale Discussion | SPC | Bond, Cass, Christian, Clay, Clinton, Edwards and 35 more | 65 min |
| May 7, 5:35 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Cass, Fulton, Hancock, Henderson and 11 more | 85 min |
| May 7, 6:10 PM CDT | Mesoscale Discussion | SPC | Bond, Cass, Christian, Greene, Jersey, Macoupin and 8 more | 2 hr |
| May 7, 6:40 PM CDT | Mesoscale Discussion | SPC | Ford, Grundy, Iroquois, Kankakee, Kendall, LaSalle and 2 more | 65 min |
| May 7, 8:45 PM CDT | Mesoscale Discussion | SPC | Brown, Cass, Christian, DeWitt, Ford, Fulton and 21 more | 90 min |
| May 8, 2:16 PM CDT | Mesoscale Discussion | SPC | Bond, Clinton, Jackson, Madison, Monroe, Perry and 3 more | 59 min |
| May 8, 5:36 PM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more | 84 min |
| May 8, 9:05 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 13 more | 115 min |
| May 13, 11:26 AM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 27 more | 2 hr |
| May 13, 12:01 PM CDT | Mesoscale Discussion | SPC | Hancock | 119 min |
| May 13, 2:38 PM CDT | Mesoscale Discussion | SPC | Bond, Cass, Christian, Clinton, Effingham, Fayette and 19 more | 2 hr |
| May 13, 6:09 PM CDT | Mesoscale Discussion | SPC | Clay, Clinton, Edwards, Effingham, Franklin, Hamilton and 13 more | 2 hr |
| May 14, 12:43 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clinton, Greene, Jersey, Macoupin and 8 more | 3 hr |
| May 14, 5:47 PM CDT | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Christian, Clay and 25 more | 88 min |
| May 14, 7:56 PM CDT | Mesoscale Discussion | SPC | Bond, Clay, Edwards, Effingham, Fayette, Gallatin and 8 more | 2 hr |
| Jun 24, 5:45 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Carroll, Cass, Fulton and 18 more | 90 min |
| Jun 24, 8:52 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Carroll, Cass, Fulton and 25 more | 83 min |
| Jun 29, 2:20 AM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clay, Clinton, Coles and 27 more | 2 hr |
| Jun 29, 5:18 AM CDT | Mesoscale Discussion | SPC | Adams, Hancock | 117 min |
| Jun 29, 6:06 AM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Crawford, Cumberland, DeWitt and 13 more | 84 min |
| Jun 29, 7:22 AM CDT | Mesoscale Discussion | SPC | Clark, Crawford, Lawrence | 53 min |
| Jun 29, 10:06 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, DeWitt, Fulton, Hancock and 16 more | 114 min |
| Jun 29, 12:12 PM CDT | Mesoscale Discussion | SPC | Clay, Clinton, Edwards, Franklin, Gallatin, Hamilton and 11 more | 2 hr |
| Jun 29, 12:41 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Cook, Crawford and 30 more | 2 hr |
| Jun 29, 7:38 PM CDT | Mesoscale Discussion | SPC | Clay, Edwards, Jasper, Lawrence, Richland, Wabash and 2 more | 2 hr |
| Jun 30, 7:24 AM CDT | Mesoscale Discussion | SPC | Adams, Hancock, Henderson, McDonough, Schuyler, Warren | 96 min |
| Jun 30, 2:32 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clinton, Edwards, Franklin, Gallatin and 22 more | 2 hr |
| Jun 30, 7:58 PM CDT | Mesoscale Discussion | SPC | Calhoun, Clinton, Franklin, Gallatin, Hamilton, Hardin and 15 more | 92 min |
| Jul 1, 11:28 AM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 92 min |
| Jul 1, 2:15 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Jackson, Monroe, Perry, Randolph and 4 more | 90 min |
| Jul 1, 3:35 PM CDT | Mesoscale Discussion | SPC | Bond, Clark, Clay, Clinton, Coles, Crawford and 23 more | 115 min |
| Jul 1, 6:05 PM CDT | Mesoscale Discussion | SPC | Clay, Crawford, Edwards, Franklin, Gallatin, Hamilton and 14 more | 85 min |
| Jul 2, 11:56 AM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin, Johnson, Massac, Pope, Pulaski and 3 more | 2 hr |
| Jul 5, 12:49 PM CDT | Mesoscale Discussion | SPC | Boone, Brown, Bureau, Carroll, Cass, Cook and 42 more | 116 min |
| Jul 5, 1:07 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clinton, Franklin, Jackson, Jefferson and 7 more | 2 hr |
| Jul 11, 2:41 PM CDT | Mesoscale Discussion | SPC | Bureau, Cook, DeKalb, DuPage, Grundy, Henry and 10 more | 94 min |
| Jul 12, 8:44 AM CDT | Mesoscale Discussion | SPC | Carroll, Henry, Lee, Ogle, Rock Island, Whiteside | 91 min |
| Jul 12, 3:05 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 12 more | 85 min |
| Jul 12, 4:59 PM CDT | Mesoscale Discussion | SPC | Calhoun, Monroe, Saint Clair | 91 min |
| Jul 12, 7:02 PM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Lake, Will | 58 min |
| Jul 12, 9:06 PM CDT | Mesoscale Discussion | SPC | Alexander, Pulaski, Randolph, Union | 84 min |
| Jul 13, 7:04 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, Jo Daviess, Kane, Lee and 5 more | 56 min |
| Jul 14, 2:38 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 39 more | 2 hr |
| Jul 14, 6:11 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Fulton, Hancock, Henderson, Henry and 13 more | 94 min |
| Jul 14, 8:23 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Grundy and 15 more | 97 min |
| Jul 16, 1:24 PM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Madison, Monroe, Pike | 3 hr |
| Jul 16, 4:00 PM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clay, Clinton, Coles, Crawford and 26 more | 90 min |
| Jul 17, 2:41 PM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clark, Clay, Clinton, Coles and 27 more | 2 hr |
| Jul 18, 8:42 AM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 12 more | 93 min |
| Jul 18, 10:42 AM CDT | Mesoscale Discussion | SPC | Alexander, Jackson | 93 min |
| Jul 18, 12:23 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 6 more | 97 min |
| Jul 18, 11:41 PM CDT | Mesoscale Discussion | SPC | Alexander, Clinton, Franklin, Gallatin, Hamilton, Hardin and 16 more | 2 hr |
| Jul 19, 6:11 AM CDT | Mesoscale Discussion | SPC | Alexander, Jackson, Johnson, Massac, Pulaski, Union and 1 more | 2 hr |
| Jul 20, 7:47 AM CDT | Mesoscale Discussion | SPC | Alexander, Massac, Pulaski | 118 min |
| Jul 20, 8:58 AM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clinton, Jersey, Macoupin, Madison and 4 more | 92 min |
| Jul 20, 1:15 PM CDT | Mesoscale Discussion | SPC | Vermilion | 90 min |
| Jul 23, 4:58 PM CDT | Mesoscale Discussion | SPC | Calhoun, Jersey, Monroe | 3 hr |
| Jul 24, 2:07 PM CDT | Mesoscale Discussion | SPC | Alexander, Johnson, Massac, Pulaski, Union | 113 min |
| Jul 25, 9:48 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Cumberland, Douglas, Edgar and 5 more | 87 min |
| Jul 26, 7:30 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henry, Jo Daviess and 10 more | 90 min |
| Jul 26, 8:45 AM CDT | Mesoscale Discussion | SPC | Lake | 2 hr |
| Jul 26, 11:59 AM CDT | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Christian, Clinton and 19 more | 2 hr |
| Jul 26, 3:57 PM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Lake | 63 min |
| Jul 28, 2:52 AM CDT | Mesoscale Discussion | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 10 more | 113 min |
| Jul 28, 7:21 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 29 more | 2 hr |
| Jul 28, 8:09 PM CDT | Mesoscale Discussion | SPC | Rock Island | 66 min |
| Jul 29, 2:18 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Clay, Clinton, Crawford and 34 more | 117 min |
| Jul 29, 5:52 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Edwards, Franklin, Gallatin, Hamilton and 14 more | 113 min |
| Aug 2, 5:30 PM CDT | Mesoscale Discussion | SPC | Monroe, Randolph | 3 hr |
| Aug 2, 11:06 PM CDT | Mesoscale Discussion | SPC | Alexander, Pulaski | 114 min |
| Aug 3, 7:16 AM CDT | Mesoscale Discussion | SPC | Alexander, Pulaski | 2 hr |
| Aug 5, 1:45 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Crawford, Cumberland, Douglas and 5 more | 3 hr |
| Aug 5, 6:11 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hamilton, Hardin, Johnson, Massac and 6 more | 2 hr |
| Aug 6, 1:26 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Hancock, Morgan, Pike and 2 more | 3 hr |
| Aug 6, 6:01 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 41 more | 119 min |
| Aug 6, 7:56 PM CDT | Mesoscale Discussion | SPC | Bond, Clark, Clay, Coles, Crawford, Cumberland and 7 more | 2 hr |
| Aug 6, 11:07 PM CDT | Mesoscale Discussion | SPC | Edwards, Hamilton, Wabash, Wayne, White | 113 min |
| Aug 7, 1:15 AM CDT | Mesoscale Discussion | SPC | Franklin, Gallatin, Hamilton, Hardin, Johnson, Massac and 4 more | 2 hr |
| Aug 9, 12:18 PM CDT | Mesoscale Discussion | SPC | Bond, Cass, Champaign, Christian, Clark, Clay and 30 more | 2 hr |
| Aug 11, 7:46 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Christian, DeWitt, Fulton and 16 more | 89 min |
| Aug 11, 11:09 PM CDT | Mesoscale Discussion | SPC | Adams, Calhoun, Jersey, Pike | 2 hr |
| Aug 12, 2:56 AM CDT | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Christian, Clay and 20 more | 94 min |
| Aug 12, 5:16 AM CDT | Mesoscale Discussion | SPC | Clay, Clinton, Edwards, Franklin, Gallatin, Hamilton and 13 more | 89 min |
| Aug 12, 7:53 AM CDT | Mesoscale Discussion | SPC | Alexander, Hardin, Massac, Pope, Pulaski | 97 min |
| Aug 13, 6:34 PM CDT | Mesoscale Discussion | SPC | Clay, Clinton, Edwards, Franklin, Gallatin, Hamilton and 10 more | 86 min |
| Aug 14, 2:38 AM CDT | Mesoscale Discussion | SPC | Alexander, Johnson, Massac, Pulaski, Union | 97 min |
| Aug 14, 11:13 AM CDT | Mesoscale Discussion | SPC | Cook, DeKalb, DuPage, Ford, Grundy, Iroquois and 7 more | 2 hr |
| Aug 14, 2:01 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Whiteside | 119 min |
| Aug 14, 3:56 PM CDT | Mesoscale Discussion | SPC | Wabash, White | 2 hr |
| Aug 17, 4:41 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Grundy and 10 more | 3 hr |
| Aug 24, 2:46 PM CDT | Mesoscale Discussion | SPC | Boone, DeKalb, DuPage, Kane, McHenry, Winnebago | 119 min |
| Aug 25, 3:25 PM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clark, Clay, Clinton, Crawford and 12 more | 2 hr |
| Aug 25, 6:55 PM CDT | Mesoscale Discussion | SPC | Cass, Christian, Clark, Clay, Coles, Crawford and 21 more | 3 hr |
| Aug 25, 10:16 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Coles, Crawford, Cumberland, Douglas and 10 more | 119 min |
| Aug 26, 12:41 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Greene, Jersey and 4 more | 3 hr |
| Aug 26, 12:53 AM CDT | Mesoscale Discussion | SPC | Edwards, Gallatin, Hamilton, Jasper, Lawrence, Richland and 3 more | 3 hr |
| Aug 26, 2:23 PM CDT | Mesoscale Discussion | SPC | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 3 more | 3 hr |
| Sep 26, 1:20 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Ford and 25 more | 85 min |
| Sep 26, 2:02 PM CDT | Mesoscale Discussion | SPC | Champaign, Christian, Clark, Clay, Coles, Crawford and 23 more | 88 min |
| Sep 27, 6:43 PM CDT | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jefferson and 10 more | 2 hr |
| Oct 13, 5:19 PM CDT | Mesoscale Discussion | SPC | Brown, Calhoun, Cass, Greene, Hancock, Henderson and 5 more | 86 min |
| Oct 27, 4:16 PM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Coles, Cumberland, Effingham and 19 more | 89 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clinton County38
- Madison County37
- Alexander County36
- Monroe County36
- Morgan County36
- Bond County35
- Randolph County35
- Saint Clair County35
- Cass County35
- Franklin County34
- Jefferson County34
- Washington County34
- Hamilton County34
- Williamson County34
- Scott County34
- Pulaski County33
- Effingham County33
- Marion County33
- Montgomery County33
- Sangamon County33
- Wayne County33
- Union County33
- White County33
- Jersey County33
- Massac County32
- Clay County32
- Jackson County32
- Perry County32
- Pike County32
- Schuyler County32
- Christian County31
- Macoupin County31
- Richland County31
- Edwards County31
- Johnson County31
- Saline County31
- Brown County31
- Fayette County30
- Jasper County30
- Shelby County30
62 more counties
- Gallatin County30
- Calhoun County30
- Greene County30
- Menard County30
- Fulton County30
- Peoria County30
- Hardin County29
- Mason County29
- Clark County28
- Cumberland County28
- Hancock County28
- Tazewell County28
- Coles County27
- Macon County27
- Moultrie County27
- Whiteside County27
- Knox County27
- Crawford County26
- Wabash County26
- McDonough County26
- Logan County25
- Lawrence County25
- Pope County25
- Adams County25
- Kendall County25
- LaSalle County25
- Stark County25
- Douglas County24
- Boone County24
- Carroll County24
- Woodford County24
- Bureau County24
- DuPage County24
- McHenry County23
- Grundy County23
- Warren County23
- DeKalb County23
- Kane County23
- Edgar County22
- Piatt County22
- Jo Daviess County22
- Winnebago County22
- Livingston County22
- Putnam County22
- Will County22
- Henderson County22
- Henry County22
- Lee County22
- Stephenson County21
- Marshall County21
- Rock Island County21
- DeWitt County20
- Vermilion County20
- Ogle County20
- McLean County20
- Ford County19
- Kankakee County19
- Mercer County19
- Cook County19
- Lake County18
- Iroquois County18
- Champaign County17
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
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.