Alert archive / Illinois / 2003
Weather alerts in Illinois, May 2003
534 weather alerts in May 2003, 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 May 2003. Tap one for its archive.
- Alerts
- 534
- Warnings
- 431
- Watches
- 41
- Advisories
- 0
- Busiest day
- May 10, 2003112 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 |
|---|---|---|---|---|
| Apr 30, 7:12 PM CDT | Tornado Warning | ILX | Knox | 63 min |
| Apr 30, 7:20 PM CDT | Tornado Warning | DVN | Henry | 55 min |
| Apr 30, 7:31 PM CDT | Mesoscale Discussion | SPC | Adams, Bureau, Cook, DeKalb, DuPage, Grundy and 21 more | 119 min |
| Apr 30, 8:00 PM CDT | Flash Flood Warning | DVN | Mercer | 5 hr |
| Apr 30, 8:17 PM CDT | Tornado Warning | ILX | Knox | 58 min |
| Apr 30, 8:22 PM CDT | Tornado Warning | DVN | Henry | 38 min |
| Apr 30, 8:25 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 50 min |
| Apr 30, 8:35 PM CDT | Tornado Warning | ILX | Stark | 55 min |
| Apr 30, 8:36 PM CDT | Severe Thunderstorm Warning | DVN | Mercer | 39 min |
| Apr 30, 8:44 PM CDT | Tornado Warning | DVN | Bureau | 61 min |
| Apr 30, 8:55 PM CDT | Tornado Warning | DVN | Bureau | 50 min |
| Apr 30, 9:02 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 58 min |
| Apr 30, 9:16 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 74 min |
| Apr 30, 9:24 PM CDT | Flash Flood Warning | DVN | Henry | 5 hr |
| Apr 30, 9:31 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 59 min |
| Apr 30, 9:37 PM CDT | Tornado Warning | DVN | Putnam | 38 min |
| Apr 30, 9:39 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 51 min |
| Apr 30, 9:42 PM CDT | Severe Thunderstorm Warning | DVN | Henderson | 48 min |
| Apr 30, 9:44 PM CDT | Flash Flood Warning | ILX | Knox, Stark | 6 hr |
| Apr 30, 9:44 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 61 min |
| Apr 30, 9:46 PM CDT | Tornado Warning | LOT | LaSalle | 44 min |
| Apr 30, 9:48 PM CDT | Tornado Warning | DVN | Bureau | 57 min |
| Apr 30, 10:02 PM CDT | Severe Thunderstorm Warning | DVN | Warren | 43 min |
| Apr 30, 10:15 PM CDT | Tornado Warning | DVN | Putnam | 45 min |
| Apr 30, 10:27 PM CDT | Tornado Warning | LOT | LaSalle | 33 min |
| Apr 30, 10:31 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 59 min |
| Apr 30, 10:31 PM CDT | Mesoscale Discussion | SPC | Adams, Bureau, Cook, DeKalb, DuPage, Grundy and 21 more | 89 min |
| Apr 30, 10:48 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 57 min |
| Apr 30, 10:55 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, DeWitt, Ford, Fulton and 22 more | 5 hr |
| Apr 30, 10:58 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, LaSalle | 47 min |
| Apr 30, 11:28 PM CDT | Severe Thunderstorm Warning | LOT | DuPage, Kankakee, Will | 62 min |
| Apr 30, 11:35 PM CDT | Special Marine Warning | LOT | 85 min | |
| Apr 30, 11:35 PM CDT | Special Marine Warning | LOT | 85 min | |
| Apr 30, 11:35 PM CDT | Special Marine Warning | LOT | 85 min | |
| May 1, 12:22 AM CDT | Severe Thunderstorm Warning | LSX | Adams | 23 min |
| May 1, 1:17 AM CDT | Flash Flood Warning | ILX | Marshall | 6 hr |
| May 1, 1:19 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, DeWitt, Ford, Fulton and 18 more | 86 min |
| May 1, 1:44 AM CDT | Tornado Warning | ILX | McLean | 31 min |
| May 1, 1:56 AM CDT | Severe Thunderstorm Warning | LOT | Livingston | 34 min |
| May 1, 6:24 AM CDT | Severe Thunderstorm Warning | LSX | Randolph | 36 min |
| May 1, 7:51 AM CDT | Mesoscale Discussion | SPC | Alexander, Crawford, Edwards, Franklin, Gallatin, Hamilton and 14 more | 114 min |
| May 1, 9:35 AM CDT | Severe Thunderstorm Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 9 more | 5 hr |
| May 1, 12:11 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Saline | 49 min |
| May 1, 12:15 PM CDT | Severe Thunderstorm Watch | SPC | Gallatin, Hardin | 5 hr |
| May 1, 12:42 PM CDT | Severe Thunderstorm Warning | PAH | White | 48 min |
| May 1, 12:47 PM CDT | Severe Thunderstorm Warning | PAH | Hardin | 28 min |
| May 4, 4:50 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Calhoun, Hancock, Monroe, Pike | 6 hr |
| May 4, 11:17 AM CDT | Severe Thunderstorm Warning | PAH | Alexander | 43 min |
| May 4, 1:56 PM CDT | Severe Thunderstorm Warning | PAH | Hardin | 34 min |
| May 4, 4:44 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 46 min |
| May 4, 4:49 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 16 min |
| May 4, 4:58 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 32 min |
| May 4, 5:22 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 53 min |
| May 4, 5:23 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 22 min |
| May 4, 5:25 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 35 more | 6 hr |
| May 4, 5:34 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Christian, Menard, Morgan, Sangamon, Scott | 56 min |
| May 4, 5:47 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason | 43 min |
| May 4, 5:48 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 42 min |
| May 4, 6:01 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 44 min |
| May 4, 6:52 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Warren | 38 min |
| May 4, 6:55 PM CDT | Tornado Watch | SPC | Alexander | 6 hr |
| May 4, 7:03 PM CDT | Severe Thunderstorm Warning | ILX | Macon, Piatt | 42 min |
| May 4, 7:34 PM CDT | Mesoscale Discussion | SPC | Alexander | 116 min |
| May 4, 8:04 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 26 min |
| May 4, 8:05 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Bureau, Calhoun, Cass and 73 more | 85 min |
| May 4, 8:11 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 49 min |
| May 4, 8:17 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois | 28 min |
| May 4, 8:39 PM CDT | Severe Thunderstorm Warning | PAH | White | 36 min |
| May 4, 9:00 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 45 min |
| May 4, 9:08 PM CDT | Tornado Warning | PAH | Alexander | 37 min |
| May 4, 9:11 PM CDT | Tornado Warning | PAH | Pulaski | 49 min |
| May 4, 9:16 PM CDT | Severe Thunderstorm Warning | PAH | Wabash | 29 min |
| May 4, 9:26 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 2 more | 2 hr |
| May 4, 9:36 PM CDT | Flash Flood Warning | PAH | Johnson | 3 hr |
| May 4, 9:40 PM CDT | Tornado Warning | PAH | Massac | 50 min |
| May 4, 9:47 PM CDT | Flash Flood Warning | PAH | Alexander, Massac, Pope, Pulaski | 3 hr |
| May 4, 9:58 PM CDT | Tornado Warning | PAH | Pope | 47 min |
| May 4, 10:11 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin | 34 min |
| May 4, 10:40 PM CDT | Tornado Watch | SPC | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 14 more | 5 hr |
| May 4, 11:05 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 33 more | 5 hr |
| May 5, 12:16 AM CDT | Severe Thunderstorm Warning | ILX | Effingham | 44 min |
| May 5, 12:55 AM CDT | Severe Thunderstorm Warning | ILX | Jasper | 35 min |
| May 5, 12:58 AM CDT | Severe Thunderstorm Warning | PAH | Perry | 32 min |
| May 5, 1:06 AM CDT | Severe Thunderstorm Warning | ILX | Crawford, Richland | 39 min |
| May 5, 1:20 AM CDT | Tornado Watch | SPC | Alexander, Massac, Pulaski | 6 hr |
| May 5, 1:30 AM CDT | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 16 more | 90 min |
| May 5, 1:46 AM CDT | Mesoscale Discussion | SPC | Bond, Christian, Clark, Clay, Clinton, Coles and 25 more | 89 min |
| May 5, 2:12 AM CDT | Severe Thunderstorm Warning | PAH | Wayne | 18 min |
| May 5, 3:41 AM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 34 min |
| May 5, 3:50 AM CDT | Tornado Watch | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 13 more | 6 hr |
| May 5, 6:32 AM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 88 min |
| May 5, 6:57 AM CDT | Severe Thunderstorm Warning | ILX | Richland | 48 min |
| May 5, 9:19 AM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 13 more | 56 min |
| May 5, 12:20 PM CDT | Tornado Watch | SPC | Hardin | 7 hr |
| May 5, 10:58 PM CDT | Mesoscale Discussion | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 9 more | 2 hr |
| May 6, 9:23 AM CDT | Severe Thunderstorm Warning | LSX | Washington | 37 min |
| May 6, 9:37 AM CDT | Mesoscale Discussion | SPC | Bond, Clark, Clay, Clinton, Crawford, Cumberland and 15 more | 113 min |
| May 6, 9:58 AM CDT | Severe Thunderstorm Warning | LSX | Washington | 47 min |
| May 6, 11:55 AM CDT | Severe Thunderstorm Watch | SPC | Bond, Clay, Clinton, Crawford, Edwards, Effingham and 21 more | 4 hr |
| May 6, 11:58 AM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 47 min |
| May 6, 1:23 PM CDT | Mesoscale Discussion | SPC | Bond, Clay, Clinton, Crawford, Edwards, Effingham and 17 more | 2 hr |
| May 6, 5:08 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clinton, Fayette, Jackson, Jefferson and 9 more | 2 hr |
| May 6, 5:33 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clinton, Fayette, Jackson, Jefferson and 9 more | 117 min |
| May 6, 5:40 PM CDT | Tornado Watch | SPC | Alexander, Bond, Clay, Clinton, Crawford, Edwards and 28 more | 6 hr |
| May 6, 7:03 PM CDT | Mesoscale Discussion | SPC | Clinton, Franklin, Hamilton, Jackson, Jefferson, Madison and 7 more | 117 min |
| May 6, 7:46 PM CDT | Tornado Warning | LSX | Monroe | 59 min |
| May 6, 7:53 PM CDT | Tornado Warning | LSX | Randolph | 52 min |
| May 6, 7:55 PM CDT | Flash Flood Warning | LSX | Monroe | 4 hr |
| May 6, 8:06 PM CDT | Tornado Warning | LSX | Saint Clair | 54 min |
| May 6, 8:14 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon | 46 min |
| May 6, 8:33 PM CDT | Tornado Warning | PAH | Alexander | 42 min |
| May 6, 8:35 PM CDT | Tornado Warning | LSX | Washington | 55 min |
| May 6, 8:41 PM CDT | Tornado Warning | LSX | Randolph | 49 min |
| May 6, 8:45 PM CDT | Tornado Warning | PAH | Jackson, Perry | 45 min |
| May 6, 8:51 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan | 39 min |
| May 6, 8:55 PM CDT | Tornado Warning | PAH | Pulaski, Union | 50 min |
| May 6, 9:10 PM CDT | Tornado Warning | ILX | DeWitt | 35 min |
| May 6, 9:12 PM CDT | Tornado Warning | PAH | Alexander | 13 min |
| May 6, 9:24 PM CDT | Tornado Warning | LSX | Washington | 36 min |
| May 6, 9:27 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Perry | 33 min |
| May 6, 9:28 PM CDT | Severe Thunderstorm Warning | PAH | Johnson | 47 min |
| May 6, 9:33 PM CDT | Tornado Warning | PAH | Massac | 42 min |
| May 6, 9:35 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 12 more | 115 min |
| May 6, 9:37 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 23 min |
| May 6, 9:39 PM CDT | Severe Thunderstorm Warning | PAH | Franklin | 36 min |
| May 6, 9:42 PM CDT | Severe Thunderstorm Warning | PAH | Union | 48 min |
| May 6, 9:44 PM CDT | Severe Thunderstorm Warning | ILX | Douglas | 46 min |
| May 6, 9:52 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 38 min |
| May 6, 9:56 PM CDT | Flash Flood Warning | PAH | Perry | 3 hr |
| May 6, 9:56 PM CDT | Severe Thunderstorm Warning | PAH | Pope | 49 min |
| May 6, 9:59 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 31 min |
| May 6, 10:05 PM CDT | Tornado Warning | PAH | Pope | 55 min |
| May 6, 10:12 PM CDT | Tornado Warning | PAH | Massac | 8 min |
| May 6, 10:18 PM CDT | Severe Thunderstorm Warning | PAH | Johnson | 12 min |
| May 6, 10:19 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Cumberland | 41 min |
| May 6, 10:20 PM CDT | Flash Flood Warning | PAH | Franklin, Jackson, Jefferson, Union | 3 hr |
| May 6, 10:26 PM CDT | Tornado Warning | PAH | Johnson, Pulaski | 49 min |
| May 6, 10:31 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 29 min |
| May 6, 10:33 PM CDT | Severe Thunderstorm Warning | PAH | Union | 12 min |
| May 6, 10:36 PM CDT | Tornado Warning | PAH | Massac | 39 min |
| May 6, 10:45 PM CDT | Tornado Warning | PAH | Hardin | 45 min |
| May 6, 10:59 PM CDT | Tornado Warning | PAH | Pope | 46 min |
| May 6, 11:08 PM CDT | Severe Thunderstorm Warning | PAH | Massac | 37 min |
| May 6, 11:16 PM CDT | Tornado Warning | PAH | Gallatin | 44 min |
| May 6, 11:40 PM CDT | Flash Flood Warning | PAH | Johnson, Massac, Pope | 4 hr |
| May 6, 11:50 PM CDT | Tornado Watch | SPC | Gallatin, Hamilton, Hardin, Johnson, Massac, Pope and 2 more | 6 hr |
| May 6, 11:55 PM CDT | Flash Flood Warning | ILX | Clay, Crawford, Lawrence, Richland | 4 hr |
| May 7, 12:56 AM CDT | Flash Flood Warning | PAH | Hardin | 2 hr |
| May 7, 12:42 PM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 22 more | 2 hr |
| May 7, 3:36 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 24 min |
| May 8, 10:25 AM CDT | Tornado Watch | SPC | Alexander, Massac, Pulaski | 6 hr |
| May 8, 12:20 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 42 more | 4 hr |
| May 8, 12:24 PM CDT | Mesoscale Discussion | SPC | Massac | 2 hr |
| May 8, 1:10 PM CDT | Severe Thunderstorm Warning | PAH | Massac, Pope | 35 min |
| May 8, 1:29 PM CDT | Flash Flood Warning | LSX | Calhoun | 3 hr |
| May 8, 1:55 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 50 min |
| May 8, 2:08 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 52 min |
| May 8, 2:11 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Christian, Clay and 35 more | 2 hr |
| May 8, 2:20 PM CDT | Mesoscale Discussion | SPC | Massac | 85 min |
| May 8, 2:56 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 49 min |
| May 8, 3:02 PM CDT | Tornado Warning | LSX | Macoupin, Montgomery | 28 min |
| May 8, 3:02 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 28 min |
| May 8, 3:11 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 64 min |
| May 8, 3:13 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence, Richland | 47 min |
| May 8, 3:16 PM CDT | Tornado Warning | LSX | Bond, Montgomery | 29 min |
| May 8, 3:27 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 48 min |
| May 8, 3:40 PM CDT | Tornado Watch | SPC | Bond, Brown, Cass, Champaign, Christian, Clark and 34 more | 5 hr |
| May 8, 3:41 PM CDT | Tornado Warning | LSX | Bond, Fayette | 49 min |
| May 8, 3:43 PM CDT | Severe Thunderstorm Warning | LSX | Randolph, Saint Clair | 62 min |
| May 8, 3:45 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 45 min |
| May 8, 3:49 PM CDT | Tornado Warning | ILX | Clay, Effingham | 41 min |
| May 8, 3:59 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence | 31 min |
| May 8, 3:59 PM CDT | Tornado Warning | LSX | Marion | 31 min |
| May 8, 4:03 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 57 min |
| May 8, 4:09 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 66 min |
| May 8, 4:29 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 31 min |
| May 8, 4:30 PM CDT | Tornado Warning | ILX | Clay, Effingham, Jasper, Richland | 60 min |
| May 8, 4:54 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 51 min |
| May 8, 5:08 PM CDT | Tornado Warning | ILX | Crawford, Lawrence | 37 min |
| May 8, 5:15 PM CDT | Tornado Watch | SPC | Edwards, Gallatin, Hamilton, Hardin, Massac, Pope and 4 more | 6 hr |
| May 8, 5:18 PM CDT | Flash Flood Warning | ILX | Effingham | 3 hr |
| May 8, 5:30 PM CDT | Flash Flood Warning | ILX | Lawrence | 3 hr |
| May 8, 7:06 PM CDT | Mesoscale Discussion | SPC | Hamilton, White | 54 min |
| May 8, 7:55 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Hancock, Henderson, Pike, Scott | 5 hr |
| May 8, 8:21 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 39 min |
| May 8, 8:39 PM CDT | Severe Thunderstorm Warning | DVN | Henderson | 51 min |
| May 8, 8:49 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 26 min |
| May 8, 8:50 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, McDonough | 25 min |
| May 8, 8:50 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 55 min |
| May 8, 9:06 PM CDT | Severe Thunderstorm Warning | DVN | Warren | 24 min |
| May 8, 9:10 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Carroll, Cass, Champaign, DeKalb, DeWitt and 32 more | 6 hr |
| May 8, 9:15 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 60 min |
| May 8, 9:17 PM CDT | Severe Thunderstorm Warning | ILX | Cass | 43 min |
| May 8, 9:27 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Carroll, Cass, Champaign and 40 more | 93 min |
| May 8, 9:30 PM CDT | Severe Thunderstorm Warning | DVN | Warren | 30 min |
| May 8, 9:32 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason | 58 min |
| May 8, 10:09 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 66 min |
| May 8, 10:16 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 59 min |
| May 8, 10:17 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 58 min |
| May 8, 10:18 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan, Scott | 57 min |
| May 8, 10:21 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey | 39 min |
| May 8, 10:30 PM CDT | Severe Thunderstorm Warning | ILX | Mason | 45 min |
| May 8, 10:30 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Peoria, Stark | 60 min |
| May 8, 10:51 PM CDT | Severe Thunderstorm Warning | ILX | Menard, Sangamon | 54 min |
| May 8, 10:53 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Woodford | 52 min |
| May 8, 11:09 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 51 min |
| May 8, 11:14 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 46 min |
| May 8, 11:19 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 71 min |
| May 8, 11:36 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 39 min |
| May 8, 11:42 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 48 min |
| May 8, 11:50 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Hancock, Henderson, Pike, Scott | 55 min |
| May 9, 12:00 AM CDT | Severe Thunderstorm Warning | ILX | Piatt | 30 min |
| May 9, 12:05 AM CDT | Severe Thunderstorm Watch | SPC | Bond, Brown, Calhoun, Cass, Champaign, Christian and 28 more | 6 hr |
| May 9, 12:08 AM CDT | Severe Thunderstorm Warning | ILX | Champaign | 52 min |
| May 9, 12:33 AM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 42 min |
| May 9, 2:02 PM CDT | Mesoscale Discussion | SPC | Edwards, Lawrence, Wabash, Wayne, White | 2 hr |
| May 9, 2:48 PM CDT | Mesoscale Discussion | SPC | Clinton, Edwards, Franklin, Gallatin, Hamilton, Hardin and 15 more | 117 min |
| May 9, 4:17 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 21 more | 28 min |
| May 9, 4:45 PM CDT | Tornado Watch | SPC | Calhoun, Greene, Morgan, Pike, Scott | 6 hr |
| May 9, 5:08 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 22 min |
| May 9, 5:43 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 32 min |
| May 9, 5:44 PM CDT | Mesoscale Discussion | SPC | Champaign, Christian, Clark, Coles, Cumberland, DeWitt and 15 more | 31 min |
| May 9, 5:52 PM CDT | Severe Thunderstorm Warning | PAH | Perry | 38 min |
| May 9, 5:56 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 49 min |
| May 9, 6:01 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 44 min |
| May 9, 6:05 PM CDT | Tornado Watch | SPC | Bond, Champaign, Christian, Clark, Clinton, Coles and 13 more | 5 hr |
| May 9, 6:10 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 65 min |
| May 9, 6:29 PM CDT | Severe Thunderstorm Warning | PAH | Franklin, Jefferson | 46 min |
| May 9, 6:31 PM CDT | Severe Thunderstorm Warning | PAH | Perry | 14 min |
| May 9, 6:42 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 18 min |
| May 9, 6:42 PM CDT | Tornado Warning | LSX | Calhoun, Pike | 48 min |
| May 9, 6:45 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 30 min |
| May 9, 6:52 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 38 min |
| May 9, 6:56 PM CDT | Tornado Warning | LSX | Greene, Macoupin | 49 min |
| May 9, 7:11 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard, Morgan, Sangamon | 64 min |
| May 9, 7:42 PM CDT | Tornado Warning | LSX | Greene, Macoupin | 48 min |
| May 9, 7:47 PM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Morgan, Pike, Scott | 88 min |
| May 9, 8:01 PM CDT | Tornado Warning | ILX | Sangamon | 29 min |
| May 9, 8:12 PM CDT | Tornado Warning | LSX | Montgomery | 33 min |
| May 9, 8:14 PM CDT | Flash Flood Warning | LSX | Macoupin | 4 hr |
| May 9, 8:19 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell, Woodford | 56 min |
| May 9, 8:22 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 38 min |
| May 9, 8:24 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell, Woodford | 51 min |
| May 9, 8:27 PM CDT | Tornado Warning | LSX | Macoupin | 33 min |
| May 9, 8:32 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 28 min |
| May 9, 8:40 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clinton, Coles and 18 more | 2 hr |
| May 9, 8:43 PM CDT | Tornado Warning | LSX | Montgomery | 32 min |
| May 9, 8:47 PM CDT | Tornado Warning | ILX | Christian | 43 min |
| May 9, 8:47 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 28 min |
| May 9, 8:56 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wayne | 49 min |
| May 9, 9:00 PM CDT | Severe Thunderstorm Warning | ILX | Clay | 60 min |
| May 9, 9:02 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 43 min |
| May 9, 9:05 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 55 min |
| May 9, 9:11 PM CDT | Tornado Warning | LSX | Pike | 49 min |
| May 9, 9:12 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 33 min |
| May 9, 9:14 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Schuyler | 61 min |
| May 9, 9:18 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 27 min |
| May 9, 9:22 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 53 min |
| May 9, 9:28 PM CDT | Severe Thunderstorm Warning | PAH | Wabash | 47 min |
| May 9, 9:31 PM CDT | Severe Thunderstorm Warning | ILX | Jasper | 44 min |
| May 9, 9:32 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Shelby | 43 min |
| May 9, 9:38 PM CDT | Severe Thunderstorm Warning | ILX | Crawford | 67 min |
| May 9, 9:43 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Lawrence, Richland | 17 min |
| May 9, 9:50 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois, Kankakee | 55 min |
| May 9, 9:58 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee, Will | 47 min |
| May 9, 9:59 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence | 46 min |
| May 9, 10:04 PM CDT | Mesoscale Discussion | SPC | Adams | 26 min |
| May 9, 10:09 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 66 min |
| May 9, 10:12 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 33 min |
| May 9, 10:25 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 65 min |
| May 9, 10:26 PM CDT | Severe Thunderstorm Warning | ILX | Clark | 34 min |
| May 9, 10:40 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Cass, Champaign, DeWitt, Ford, Fulton and 22 more | 5 hr |
| May 9, 10:56 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 49 min |
| May 9, 11:03 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell | 57 min |
| May 9, 11:05 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 40 min |
| May 9, 11:06 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence | 24 min |
| May 9, 11:20 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 25 min |
| May 9, 11:20 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Woodford | 55 min |
| May 9, 11:23 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane | 37 min |
| May 9, 11:24 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 51 min |
| May 9, 11:35 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 40 min |
| May 9, 11:42 PM CDT | Flash Flood Warning | LSX | Macoupin | 3 hr |
| May 9, 11:47 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 28 min |
| May 10, 12:06 AM CDT | Severe Thunderstorm Warning | ILX | Champaign | 54 min |
| May 10, 12:13 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Lee | 47 min |
| May 10, 12:33 AM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 42 min |
| May 10, 1:40 AM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 50 min |
| May 10, 2:01 AM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Macon | 44 min |
| May 10, 2:14 AM CDT | Severe Thunderstorm Warning | ILX | Piatt | 46 min |
| May 10, 5:43 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Christian, Fulton and 15 more | 92 min |
| May 10, 5:50 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 25 more | 5 hr |
| May 10, 6:25 AM CDT | Severe Thunderstorm Warning | LSX | Greene, Pike | 50 min |
| May 10, 6:27 AM CDT | Severe Thunderstorm Warning | ILX | Scott | 48 min |
| May 10, 6:31 AM CDT | Flash Flood Warning | LSX | Pike | 4 hr |
| May 10, 6:43 AM CDT | Severe Thunderstorm Warning | ILX | Morgan | 62 min |
| May 10, 7:11 AM CDT | Flash Flood Warning | ILX | Morgan, Scott | 4 hr |
| May 10, 7:17 AM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 58 min |
| May 10, 7:40 AM CDT | Severe Thunderstorm Warning | ILX | Moultrie, Shelby | 35 min |
| May 10, 7:47 AM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 28 min |
| May 10, 7:51 AM CDT | Severe Thunderstorm Warning | ILX | Macon | 39 min |
| May 10, 7:53 AM CDT | Flash Flood Warning | ILX | Sangamon | 4 hr |
| May 10, 7:56 AM CDT | Severe Thunderstorm Warning | ILX | Christian | 64 min |
| May 10, 7:58 AM CDT | Tornado Warning | ILX | Christian, Sangamon | 62 min |
| May 10, 8:06 AM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 24 min |
| May 10, 8:12 AM CDT | Flash Flood Warning | ILX | Christian | 4 hr |
| May 10, 8:12 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey, Madison | 48 min |
| May 10, 8:19 AM CDT | Tornado Warning | LSX | Madison | 41 min |
| May 10, 8:26 AM CDT | Tornado Warning | ILX | Macon, Shelby | 49 min |
| May 10, 8:30 AM CDT | Tornado Watch | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 9 more | 6 hr |
| May 10, 8:31 AM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 29 min |
| May 10, 8:41 AM CDT | Tornado Warning | LSX | Macoupin | 34 min |
| May 10, 8:43 AM CDT | Severe Thunderstorm Warning | LSX | Madison | 47 min |
| May 10, 8:48 AM CDT | Flash Flood Warning | ILX | Macon, Shelby | 4 hr |
| May 10, 8:52 AM CDT | Tornado Warning | ILX | Moultrie | 38 min |
| May 10, 8:56 AM CDT | Severe Thunderstorm Warning | ILX | Piatt | 34 min |
| May 10, 8:58 AM CDT | Severe Thunderstorm Warning | ILX | Edgar | 32 min |
| May 10, 8:58 AM CDT | Tornado Warning | ILX | Christian | 47 min |
| May 10, 9:02 AM CDT | Flash Flood Warning | ILX | Coles, Douglas, Edgar, Moultrie | 4 hr |
| May 10, 9:11 AM CDT | Flash Flood Warning | LSX | Greene | 4 hr |
| May 10, 9:15 AM CDT | Severe Thunderstorm Warning | ILX | Shelby | 60 min |
| May 10, 9:18 AM CDT | Tornado Warning | LSX | Bond, Madison | 27 min |
| May 10, 9:21 AM CDT | Tornado Warning | ILX | Coles, Douglas | 54 min |
| May 10, 9:25 AM CDT | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 14 more | 2 hr |
| May 10, 9:26 AM CDT | Flash Flood Warning | ILX | Champaign, Vermilion | 4 hr |
| May 10, 10:06 AM CDT | Tornado Warning | ILX | Edgar | 54 min |
| May 10, 10:15 AM CDT | Severe Thunderstorm Warning | LSX | Fayette | 30 min |
| May 10, 10:18 AM CDT | Tornado Warning | ILX | Clark, Coles, Cumberland | 42 min |
| May 10, 10:19 AM CDT | Flash Flood Warning | ILX | Clark, Cumberland, Effingham | 4 hr |
| May 10, 10:24 AM CDT | Severe Thunderstorm Warning | ILX | Effingham, Moultrie, Shelby | 51 min |
| May 10, 10:39 AM CDT | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 5 more | 2 hr |
| May 10, 10:54 AM CDT | Mesoscale Discussion | SPC | Adams, Alexander, Bond, Brown, Calhoun, Cass and 69 more | 66 min |
| May 10, 11:00 AM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Crawford, Cumberland, Edgar, Jasper | 60 min |
| May 10, 11:07 AM CDT | Flash Flood Warning | LSX | Calhoun | 3 hr |
| May 10, 11:53 AM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 52 min |
| May 10, 12:30 PM CDT | Severe Thunderstorm Warning | LSX | Clinton | 45 min |
| May 10, 12:38 PM CDT | Mesoscale Discussion | SPC | Clay, Crawford, Jasper, Lawrence, Richland | 97 min |
| May 10, 3:17 PM CDT | Mesoscale Discussion | SPC | Hancock, Henderson, Mercer, Rock Island | 58 min |
| May 10, 3:50 PM CDT | Tornado Watch | SPC | Bureau, Carroll, Fulton, Henderson, Henry, Jo Daviess and 14 more | 6 hr |
| May 10, 4:00 PM CDT | Tornado Watch | SPC | Franklin, Jackson, Perry, Randolph, Union | 5 hr |
| May 10, 4:48 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 25 more | 87 min |
| May 10, 5:40 PM CDT | Tornado Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 21 more | 5 hr |
| May 10, 6:21 PM CDT | Tornado Warning | LSX | Adams | 39 min |
| May 10, 6:37 PM CDT | Tornado Warning | DVN | Hancock | 23 min |
| May 10, 6:41 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 14 more | 64 min |
| May 10, 6:53 PM CDT | Tornado Warning | LSX | Adams | 52 min |
| May 10, 6:59 PM CDT | Tornado Warning | DVN | Hancock | 31 min |
| May 10, 7:06 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Hardin, Jackson, Johnson, Massac and 7 more | 54 min |
| May 10, 7:29 PM CDT | Tornado Warning | DVN | Hancock, McDonough | 46 min |
| May 10, 7:30 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Saint Clair | 45 min |
| May 10, 7:36 PM CDT | Tornado Warning | LSX | Brown | 39 min |
| May 10, 7:38 PM CDT | Tornado Warning | ILX | Schuyler | 52 min |
| May 10, 7:43 PM CDT | Tornado Warning | LSX | Adams | 17 min |
| May 10, 7:53 PM CDT | Tornado Warning | ILX | Fulton, Knox | 52 min |
| May 10, 8:05 PM CDT | Tornado Watch | SPC | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more | 6 hr |
| May 10, 8:06 PM CDT | Tornado Warning | DVN | Warren | 24 min |
| May 10, 8:13 PM CDT | Severe Thunderstorm Warning | LSX | Fayette, Marion | 47 min |
| May 10, 8:15 PM CDT | Tornado Warning | LSX | Brown | 15 min |
| May 10, 8:18 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 8 more | 117 min |
| May 10, 8:19 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham | 41 min |
| May 10, 8:25 PM CDT | Tornado Warning | ILX | Schuyler | 50 min |
| May 10, 8:29 PM CDT | Tornado Warning | DVN | Mercer | 46 min |
| May 10, 8:41 PM CDT | Mesoscale Discussion | SPC | Crawford, Lawrence, Richland, Wabash | 2 hr |
| May 10, 8:45 PM CDT | Tornado Warning | ILX | Fulton, Mason | 60 min |
| May 10, 8:45 PM CDT | Tornado Watch | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 5 hr |
| May 10, 8:46 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland, Jasper | 59 min |
| May 10, 8:46 PM CDT | Tornado Warning | ILX | Knox, Stark | 44 min |
| May 10, 8:54 PM CDT | Tornado Warning | DVN | Bureau, Henry | 81 min |
| May 10, 9:01 PM CDT | Severe Thunderstorm Warning | ILX | Effingham | 59 min |
| May 10, 9:01 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Will | 44 min |
| May 10, 9:10 PM CDT | Tornado Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 45 more | 5 hr |
| May 10, 9:19 PM CDT | Tornado Warning | ILX | Peoria, Tazewell | 56 min |
| May 10, 9:29 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 61 min |
| May 10, 9:30 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 60 min |
| May 10, 9:35 PM CDT | Tornado Watch | SPC | Bureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 11 more | 3 hr |
| May 10, 9:36 PM CDT | Tornado Warning | LOT | Lee | 39 min |
| May 10, 9:42 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, LaSalle | 48 min |
| May 10, 9:45 PM CDT | Tornado Warning | ILX | Mason, Tazewell | 60 min |
| May 10, 9:55 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 35 min |
| May 10, 9:57 PM CDT | Tornado Warning | LOT | DeKalb, LaSalle | 63 min |
| May 10, 9:59 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 61 min |
| May 10, 10:02 PM CDT | Severe Thunderstorm Warning | PAH | Pulaski | 28 min |
| May 10, 10:06 PM CDT | Tornado Warning | ILX | Woodford | 54 min |
| May 10, 10:14 PM CDT | Severe Thunderstorm Warning | PAH | Johnson | 31 min |
| May 10, 10:23 PM CDT | Tornado Warning | LOT | Kane | 52 min |
| May 10, 10:35 PM CDT | Tornado Warning | ILX | McLean | 70 min |
| May 10, 10:37 PM CDT | Tornado Warning | LOT | Livingston | 53 min |
| May 10, 10:41 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Will | 49 min |
| May 10, 10:43 PM CDT | Tornado Warning | ILX | Marshall | 47 min |
| May 10, 10:56 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Ford and 19 more | 94 min |
| May 10, 10:57 PM CDT | Tornado Warning | LOT | Cook, DuPage | 48 min |
| May 10, 11:00 PM CDT | Tornado Warning | LOT | Cook, DuPage | 45 min |
| May 10, 11:03 PM CDT | Tornado Warning | ILX | Woodford | 42 min |
| May 10, 11:14 PM CDT | Special Marine Warning | LOT | 61 min | |
| May 10, 11:14 PM CDT | Special Marine Warning | LOT | 61 min | |
| May 10, 11:14 PM CDT | Special Marine Warning | LOT | 61 min | |
| May 10, 11:14 PM CDT | Special Marine Warning | LOT | 61 min | |
| May 10, 11:18 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 42 min |
| May 10, 11:22 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 23 min |
| May 10, 11:31 PM CDT | Severe Thunderstorm Warning | PAH | Pulaski | 29 min |
| May 10, 11:42 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane | 48 min |
| May 11, 1:46 AM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 42 more | 89 min |
| May 14, 12:36 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, Champaign, Christian and 38 more | 84 min |
| May 14, 12:59 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 46 min |
| May 14, 1:10 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Bureau, Cass, Champaign, DeWitt, Douglas and 33 more | 6 hr |
| May 14, 1:34 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 41 min |
| May 14, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Henderson, Mercer | 5 hr |
| May 14, 2:45 PM CDT | Mesoscale Discussion | SPC | Bureau, Cass, Champaign, Christian, Coles, DeWitt and 32 more | 60 min |
| May 14, 2:49 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 26 min |
| May 14, 3:15 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Stark | 60 min |
| May 14, 3:23 PM CDT | Mesoscale Discussion | SPC | Hancock, Henderson | 97 min |
| May 14, 3:25 PM CDT | Severe Thunderstorm Warning | ILX | Peoria | 50 min |
| May 14, 3:55 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 50 min |
| May 14, 4:15 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 30 min |
| May 14, 4:25 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 50 min |
| May 14, 4:37 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 38 min |
| May 14, 5:07 PM CDT | Mesoscale Discussion | SPC | Brown, Bureau, Cass, Champaign, DeWitt, Douglas and 28 more | 113 min |
| May 14, 5:11 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Livingston | 49 min |
| May 14, 5:31 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 44 min |
| May 14, 5:33 PM CDT | Tornado Warning | ILX | McLean | 42 min |
| May 14, 5:57 PM CDT | Tornado Warning | LOT | Ford, Iroquois | 48 min |
| May 14, 6:04 PM CDT | Tornado Warning | ILX | Champaign, Vermilion | 56 min |
| May 14, 6:05 PM CDT | Severe Thunderstorm Warning | DVN | Henderson | 55 min |
| May 14, 6:10 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 60 min |
| May 14, 6:13 PM CDT | Tornado Warning | ILX | DeWitt, Piatt | 47 min |
| May 14, 6:14 PM CDT | Tornado Warning | ILX | McLean | 61 min |
| May 14, 6:18 PM CDT | Tornado Warning | ILX | Logan | 57 min |
| May 14, 6:37 PM CDT | Tornado Warning | DVN | Henderson, McDonough | 43 min |
| May 14, 6:43 PM CDT | Severe Thunderstorm Warning | DVN | Mercer, Warren | 42 min |
| May 14, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Brown, Calhoun, Cass, Champaign, Christian and 35 more | 5 hr |
| May 14, 6:48 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason, Schuyler | 42 min |
| May 14, 7:00 PM CDT | Tornado Warning | ILX | Champaign, Vermilion | 60 min |
| May 14, 7:02 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox | 58 min |
| May 14, 7:02 PM CDT | Tornado Warning | ILX | DeWitt, Piatt | 58 min |
| May 14, 7:24 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 36 min |
| May 14, 7:29 PM CDT | Tornado Warning | ILX | Macon | 46 min |
| May 14, 7:51 PM CDT | Tornado Warning | ILX | Douglas, Edgar | 54 min |
| May 14, 7:59 PM CDT | Tornado Warning | ILX | Champaign, Piatt | 46 min |
| May 14, 8:15 PM CDT | Mesoscale Discussion | SPC | Franklin, Gallatin, Hamilton, Hardin, Jackson, Jefferson and 12 more | 60 min |
| May 14, 8:19 PM CDT | Tornado Warning | ILX | Fulton, Mason | 41 min |
| May 14, 8:30 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Clay, Clinton, Edwards, Franklin, Gallatin and 21 more | 4 hr |
| May 14, 8:32 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 58 min |
| May 14, 9:24 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 7 more | 96 min |
| May 14, 9:38 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Edgar | 37 min |
| May 14, 9:44 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 46 min |
| May 14, 10:09 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Perry | 51 min |
| May 14, 10:10 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Hardin, Jackson, Johnson, Massac and 5 more | 2 hr |
| May 14, 10:21 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Cumberland | 39 min |
| May 14, 10:27 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 33 min |
| May 14, 11:14 PM CDT | Severe Thunderstorm Warning | ILX | Effingham | 46 min |
| May 15, 9:33 AM CDT | Severe Thunderstorm Warning | PAH | Edwards | 32 min |
| May 15, 9:51 AM CDT | Severe Thunderstorm Warning | PAH | Wabash | 34 min |
| May 28, 12:56 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Champaign, DeKalb, DeWitt, Douglas and 21 more | 2 hr |
| May 28, 1:53 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Stark | 52 min |
| May 28, 2:10 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Champaign, Christian, Coles, Cook and 30 more | 6 hr |
| May 28, 2:15 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Woodford | 60 min |
| May 28, 2:41 PM CDT | Tornado Warning | ILX | Tazewell, Woodford | 49 min |
| May 28, 2:42 PM CDT | Tornado Warning | LOT | Kankakee | 18 min |
| May 28, 2:51 PM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb, Kane, McHenry | 24 min |
| May 28, 3:06 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois, Kankakee | 39 min |
| May 28, 3:20 PM CDT | Tornado Warning | ILX | McLean, Tazewell | 40 min |
| May 28, 3:25 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 50 min |
| May 28, 3:30 PM CDT | Special Marine Warning | LOT | 90 min | |
| May 28, 3:30 PM CDT | Special Marine Warning | LOT | 90 min | |
| May 28, 3:30 PM CDT | Special Marine Warning | LOT | 90 min | |
| May 28, 3:30 PM CDT | Special Marine Warning | LOT | 90 min | |
| May 28, 3:34 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane, Kendall, Will | 41 min |
| May 28, 3:36 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Coles and 21 more | 114 min |
| May 28, 3:45 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 60 min |
| May 28, 3:47 PM CDT | Tornado Warning | ILX | Logan | 28 min |
| May 28, 3:55 PM CDT | Tornado Warning | LOT | Will | 20 min |
| May 28, 3:58 PM CDT | Tornado Warning | ILX | DeWitt | 62 min |
| May 28, 4:08 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 67 min |
| May 28, 4:10 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Livingston | 50 min |
| May 28, 4:20 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 40 min |
| May 28, 4:34 PM CDT | Tornado Warning | LOT | Will | 26 min |
| May 28, 4:38 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie, Piatt, Shelby | 52 min |
| May 28, 4:41 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kankakee | 49 min |
| May 28, 4:45 PM CDT | Tornado Warning | ILX | Christian, Shelby | 45 min |
| May 28, 5:08 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Livingston | 37 min |
| May 28, 5:29 PM CDT | Severe Thunderstorm Warning | ILX | Effingham, Shelby | 46 min |
| May 28, 5:39 PM CDT | Tornado Warning | LOT | Ford | 21 min |
| May 28, 6:08 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 82 min |
| May 28, 6:14 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 76 min |
| May 28, 6:25 PM CDT | Tornado Warning | ILX | Champaign, Vermilion | 65 min |
| May 28, 6:41 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Champaign, Christian, Coles, Cook and 30 more | 94 min |
| May 28, 7:10 PM CDT | Tornado Warning | ILX | Edgar | 50 min |
| May 30, 4:32 AM CDT | Mesoscale Discussion | SPC | Carroll, Henderson, Henry, Jo Daviess, Mercer, Rock Island and 3 more | 58 min |
| May 30, 2:06 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Ogle, Stephenson, Whiteside, Winnebago | 2 hr |
| May 30, 2:08 PM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Ogle, Stephenson, Whiteside, Winnebago | 3 hr |
| May 30, 3:45 PM CDT | Tornado Watch | SPC | Boone, Bureau, Carroll, DeKalb, Fulton, Henry and 23 more | 5 hr |
| May 30, 5:47 PM CDT | Tornado Warning | LOT | Winnebago | 58 min |
| May 30, 6:11 PM CDT | Tornado Warning | LOT | Lee | 49 min |
| May 30, 6:29 PM CDT | Tornado Warning | LOT | Boone | 46 min |
| May 30, 6:35 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 40 min |
| May 30, 6:53 PM CDT | Tornado Warning | LOT | McHenry | 52 min |
| May 30, 6:55 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Fulton, Henry and 21 more | 95 min |
| May 30, 6:58 PM CDT | Tornado Warning | LOT | DeKalb, Lee | 32 min |
| May 30, 7:02 PM CDT | Tornado Warning | DVN | Bureau, Putnam | 33 min |
| May 30, 7:14 PM CDT | Tornado Warning | LOT | LaSalle | 31 min |
| May 30, 7:28 PM CDT | Tornado Warning | LOT | Kendall, LaSalle | 47 min |
| May 30, 7:30 PM CDT | Tornado Watch | SPC | Boone, Bureau, Cass, Champaign, Cook, DeKalb and 35 more | 6 hr |
| May 30, 7:35 PM CDT | Tornado Warning | ILX | Marshall | 40 min |
| May 30, 7:37 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Lake | 53 min |
| May 30, 7:43 PM CDT | Tornado Warning | LOT | Livingston | 32 min |
| May 30, 7:45 PM CDT | Special Marine Warning | LOT | 90 min | |
| May 30, 7:45 PM CDT | Special Marine Warning | LOT | 90 min | |
| May 30, 7:45 PM CDT | Special Marine Warning | LOT | 90 min | |
| May 30, 7:45 PM CDT | Special Marine Warning | LOT | 90 min | |
| May 30, 7:49 PM CDT | Tornado Warning | ILX | Woodford | 41 min |
| May 30, 7:49 PM CDT | Tornado Warning | LOT | LaSalle | 11 min |
| May 30, 7:53 PM CDT | Tornado Warning | LOT | Will | 52 min |
| May 30, 7:55 PM CDT | Tornado Warning | ILX | Mason | 50 min |
| May 30, 8:06 PM CDT | Tornado Warning | ILX | Logan, Tazewell | 39 min |
| May 30, 8:09 PM CDT | Tornado Warning | ILX | McLean | 51 min |
| May 30, 8:11 PM CDT | Special Marine Warning | LOT | 2 hr | |
| May 30, 8:11 PM CDT | Special Marine Warning | LOT | 2 hr | |
| May 30, 8:11 PM CDT | Special Marine Warning | LOT | 2 hr | |
| May 30, 8:19 PM CDT | Tornado Warning | LOT | Ford, Iroquois, Livingston | 26 min |
| May 30, 8:25 PM CDT | Tornado Warning | LOT | Cook | 50 min |
| May 30, 8:30 PM CDT | Tornado Warning | LOT | Ford, Iroquois, Livingston | 15 min |
| May 30, 8:40 PM CDT | Tornado Warning | LOT | Kankakee, Will | 35 min |
| May 30, 8:42 PM CDT | Tornado Warning | ILX | DeWitt, Logan | 48 min |
| May 30, 8:45 PM CDT | Tornado Warning | LOT | Ford, Livingston | 30 min |
| May 30, 8:48 PM CDT | Tornado Warning | LOT | Iroquois | 27 min |
| May 30, 9:04 PM CDT | Mesoscale Discussion | SPC | Clark, Crawford, Edgar | 86 min |
| May 30, 9:10 PM CDT | Tornado Watch | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 6 more | 6 hr |
| May 30, 9:14 PM CDT | Tornado Warning | LOT | Ford | 31 min |
| May 30, 9:15 PM CDT | Tornado Warning | ILX | Piatt | 45 min |
| May 30, 9:20 PM CDT | Tornado Warning | ILX | Macon | 25 min |
| May 30, 9:22 PM CDT | Tornado Warning | ILX | Macon | 23 min |
| May 30, 9:27 PM CDT | Tornado Warning | ILX | Champaign, Vermilion | 63 min |
| May 30, 9:50 PM CDT | Tornado Warning | ILX | Douglas | 40 min |
| May 30, 10:15 PM CDT | Tornado Warning | ILX | Edgar | 45 min |
| May 30, 11:21 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 6 more | 84 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 | 242 |
| Tornado Warning | 144 |
| Severe Thunderstorm Watch | 18 |
| Tornado Watch | 23 |
| Mesoscale Discussion | 62 |
| Flooding | |
| Flash Flood Warning | 27 |
| Marine | |
| Special Marine Warning | 18 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Macon County41
- DeWitt County38
- Morgan County38
- Sangamon County38
- Christian County37
- McLean County36
- Scott County36
- Tazewell County36
- Piatt County36
- Champaign County36
- Logan County35
- Jefferson County35
- Pike County34
- Washington County34
- Douglas County34
- Effingham County34
- Moultrie County34
- Livingston County33
- Schuyler County33
- Mason County33
- Jackson County33
- Lawrence County33
- Macoupin County33
- Perry County33
- Coles County33
- Edgar County33
- Vermilion County33
- Adams County32
- Cass County32
- Woodford County31
- Brown County31
- Randolph County31
- Franklin County31
- Hardin County31
- Pope County31
- Richland County31
- Iroquois County30
- Marshall County30
- Ford County30
- Fulton County30
62 more counties
- Montgomery County30
- Knox County29
- Menard County29
- Crawford County29
- Gallatin County29
- Johnson County29
- Massac County29
- Saline County29
- White County29
- Monroe County29
- Bond County29
- Fayette County29
- Clay County29
- Jasper County29
- Shelby County29
- Calhoun County28
- Saint Clair County28
- Hancock County27
- LaSalle County27
- Alexander County27
- Edwards County27
- Hamilton County27
- Wabash County27
- Wayne County27
- Madison County27
- Clark County27
- Bureau County26
- Union County26
- Williamson County26
- Clinton County26
- Greene County26
- Cumberland County26
- McDonough County25
- Peoria County25
- Stark County25
- Will County24
- Pulaski County24
- Marion County24
- Kankakee County22
- Putnam County22
- Warren County22
- Jersey County22
- Henry County21
- Henderson County20
- Lee County19
- Mercer County19
- DeKalb County18
- Cook County17
- Grundy County17
- Rock Island County17
- Kane County15
- Ogle County14
- DuPage County13
- Kendall County13
- Stephenson County13
- Winnebago County13
- Whiteside County12
- Boone County12
- Carroll County10
- McHenry County9
- Jo Daviess County8
- Lake County7
Nearby
Alerts in force nowTornadoes on recordThe radar archive20022004
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.