Weather alerts in Illinois, 1997
539 weather alerts in 1997, 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 1997. Tap one for its archive.
- Alerts
- 539
- Warnings
- 495
- Watches
- 44
- Advisories
- 0
- Busiest month
- July101 alerts
- Busiest day
- April 30, 199745 alerts
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 4, 3:30 PM CST | Severe Thunderstorm Watch | SPC | Alexander, Bond, Clark, Clay, Clinton, Coles and 33 more | 6 hr |
| Jan 4, 5:48 PM CST | Severe Thunderstorm Warning | PAH | Union | 42 min |
| Jan 22, 10:57 AM CST | Severe Thunderstorm Warning | PAH | Pope | 33 min |
| Feb 21, 12:13 AM CST | Flash Flood Warning | DVN | Carroll, Jo Daviess, Stephenson, Whiteside | 12 hr |
| Feb 21, 12:13 AM CST | Flash Flood Warning | DVN | Bureau, Putnam | 12 hr |
| Feb 21, 12:13 AM CST | Flash Flood Warning | DVN | Mercer, Rock Island | 12 hr |
| Feb 21, 12:13 AM CST | Flash Flood Warning | DVN | Henderson, McDonough, Warren | 12 hr |
| Feb 21, 12:13 AM CST | Flash Flood Warning | DVN | Hancock | 12 hr |
| Feb 21, 12:13 AM CST | Flash Flood Warning | DVN | Henry | 12 hr |
| Feb 21, 8:14 AM CST | Flash Flood Warning | LOT | Cook, DuPage, Kane, Kendall, Will | 4 hr |
| Feb 21, 8:14 AM CST | Flash Flood Warning | LOT | Boone, DeKalb, Lake, McHenry | 4 hr |
| Feb 21, 8:32 AM CST | Flash Flood Warning | LOT | Cook, DeKalb, DuPage, Kane, Kendall, McHenry and 1 more | 3 hr |
| Feb 21, 8:32 AM CST | Flash Flood Warning | LOT | Grundy, LaSalle, Lee, Livingston | 3 hr |
| Feb 21, 8:32 AM CST | Flash Flood Warning | LOT | Ford, Iroquois, Kankakee | 3 hr |
| Feb 21, 8:32 AM CST | Flash Flood Warning | LOT | Boone, Ogle, Winnebago | 3 hr |
| Feb 21, 8:32 AM CST | Flash Flood Warning | LOT | Lake | 3 hr |
| Feb 21, 11:35 AM CST | Flash Flood Warning | LOT | Grundy, Kankakee, Livingston | 6 hr |
| Feb 21, 11:35 AM CST | Flash Flood Warning | LOT | Boone, Winnebago | 6 hr |
| Feb 21, 11:35 AM CST | Flash Flood Warning | LOT | DuPage, Kane, Kendall, Will | 6 hr |
| Feb 21, 11:35 AM CST | Flash Flood Warning | LOT | Cook, Lake, McHenry | 6 hr |
| Feb 21, 11:35 AM CST | Flash Flood Warning | LOT | DeKalb, LaSalle, Lee, Ogle | 6 hr |
| Feb 22, 4:59 PM CST | Flash Flood Warning | DVN | Henry, Rock Island | 6 hr |
| Feb 28, 4:40 PM CST | Severe Thunderstorm Warning | PAH | Pulaski | 35 min |
| Feb 28, 5:15 PM CST | Severe Thunderstorm Watch | SPC | Hardin, Massac, Pope | 6 hr |
| Mar 1, 2:30 PM CST | Tornado Watch | SPC | Johnson, Massac, Pope, Pulaski | 7 hr |
| Mar 1, 2:46 PM CST | Flash Flood Warning | PAH | Hardin, Massac, Pope | 3 hr |
| Mar 1, 5:13 PM CST | Flash Flood Warning | PAH | Alexander, Johnson, Massac, Pulaski, Union | 4 hr |
| Mar 1, 5:13 PM CST | Flash Flood Warning | PAH | Hardin, Pope | 4 hr |
| Mar 1, 5:52 PM CST | Severe Thunderstorm Warning | PAH | Johnson, Massac, Pulaski | 28 min |
| Mar 28, 12:30 AM CST | Severe Thunderstorm Watch | SPC | Alexander, Massac, Pulaski | 6 hr |
| Mar 28, 2:02 PM CST | Severe Thunderstorm Warning | LSX | Bond, Madison | 43 min |
| Mar 28, 2:08 PM CST | Severe Thunderstorm Warning | LSX | Greene | 52 min |
| Mar 28, 2:15 PM CST | Tornado Watch | SPC | Alexander, Bond, Christian, Clark, Clay, Clinton and 44 more | 6 hr |
| Mar 28, 2:27 PM CST | Severe Thunderstorm Warning | LSX | Randolph | 48 min |
| Mar 28, 2:45 PM CST | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 45 min |
| Mar 28, 2:52 PM CST | Severe Thunderstorm Warning | LSX | Saint Clair, Washington | 53 min |
| Mar 28, 2:54 PM CST | Severe Thunderstorm Warning | ILX | Menard | 36 min |
| Mar 28, 3:12 PM CST | Severe Thunderstorm Warning | PAH | Perry | 33 min |
| Mar 28, 3:18 PM CST | Severe Thunderstorm Warning | ILX | Logan, Sangamon | 57 min |
| Mar 28, 3:20 PM CST | Severe Thunderstorm Warning | LSX | Washington | 40 min |
| Mar 28, 3:27 PM CST | Severe Thunderstorm Warning | LSX | Macoupin | 48 min |
| Mar 28, 3:37 PM CST | Severe Thunderstorm Warning | PAH | Jefferson | 38 min |
| Mar 28, 3:51 PM CST | Severe Thunderstorm Warning | PAH | Perry | 39 min |
| Mar 28, 3:54 PM CST | Severe Thunderstorm Warning | ILX | Christian | 36 min |
| Mar 28, 4:00 PM CST | Severe Thunderstorm Warning | ILX | McLean | 60 min |
| Mar 28, 4:02 PM CST | Severe Thunderstorm Warning | LSX | Clinton, Marion | 43 min |
| Mar 28, 4:06 PM CST | Severe Thunderstorm Warning | ILX | Macon | 54 min |
| Mar 28, 4:09 PM CST | Severe Thunderstorm Warning | PAH | Jackson | 36 min |
| Mar 28, 4:15 PM CST | Severe Thunderstorm Warning | LSX | Fayette | 45 min |
| Mar 28, 4:18 PM CST | Severe Thunderstorm Warning | PAH | Jefferson | 27 min |
| Mar 28, 4:27 PM CST | Severe Thunderstorm Warning | ILX | DeWitt | 48 min |
| Mar 28, 4:37 PM CST | Severe Thunderstorm Warning | ILX | Effingham | 53 min |
| Mar 28, 4:37 PM CST | Severe Thunderstorm Warning | PAH | Hamilton, Wayne | 53 min |
| Mar 28, 4:49 PM CST | Severe Thunderstorm Warning | ILX | Champaign, Piatt | 56 min |
| Mar 28, 4:54 PM CST | Severe Thunderstorm Warning | PAH | Jackson, Williamson | 51 min |
| Mar 28, 5:00 PM CST | Severe Thunderstorm Warning | ILX | Shelby | 30 min |
| Mar 28, 5:00 PM CST | Tornado Watch | SPC | Crawford, Lawrence, Wabash | 6 hr |
| Mar 28, 5:06 PM CST | Severe Thunderstorm Warning | PAH | Pulaski | 24 min |
| Mar 28, 5:12 PM CST | Tornado Warning | ILX | Coles, Cumberland | 33 min |
| Mar 28, 5:18 PM CST | Severe Thunderstorm Warning | PAH | Edwards, Wabash | 57 min |
| Mar 28, 5:21 PM CST | Severe Thunderstorm Warning | PAH | Johnson | 54 min |
| Mar 28, 5:24 PM CST | Severe Thunderstorm Warning | PAH | Saline | 51 min |
| Mar 28, 5:31 PM CST | Severe Thunderstorm Warning | PAH | White | 59 min |
| Mar 28, 5:35 PM CST | Severe Thunderstorm Warning | ILX | DeWitt | 40 min |
| Mar 28, 5:38 PM CST | Tornado Warning | PAH | Johnson, Massac, Pope | 22 min |
| Mar 28, 6:02 PM CST | Tornado Warning | PAH | Hardin, Pope | 28 min |
| Mar 28, 6:14 PM CST | Severe Thunderstorm Warning | PAH | Gallatin, Saline | 46 min |
| Apr 5, 2:03 PM CST | Severe Thunderstorm Warning | DVN | Henderson | 47 min |
| Apr 5, 2:23 PM CST | Severe Thunderstorm Warning | DVN | Mercer, Warren | 42 min |
| Apr 5, 2:30 PM CST | Severe Thunderstorm Warning | ILX | Fulton, Knox | 30 min |
| Apr 5, 2:30 PM CST | Severe Thunderstorm Watch | SPC | Bureau, Carroll, Henry, Jo Daviess, Knox, LaSalle and 8 more | 5 hr |
| Apr 5, 2:30 PM CST | Severe Thunderstorm Watch | SPC | Bond, Cass, Champaign, Christian, Clark, Clay and 34 more | 5 hr |
| Apr 5, 2:46 PM CST | Severe Thunderstorm Warning | ILX | Mason, Menard, Sangamon | 29 min |
| Apr 5, 2:56 PM CST | Severe Thunderstorm Warning | DVN | Rock Island | 44 min |
| Apr 5, 3:00 PM CST | Severe Thunderstorm Warning | ILX | Logan, Peoria, Tazewell | 45 min |
| Apr 5, 3:00 PM CST | Severe Thunderstorm Warning | ILX | Stark | 45 min |
| Apr 5, 3:16 PM CST | Severe Thunderstorm Warning | ILX | Christian, Sangamon | 29 min |
| Apr 5, 3:28 PM CST | Severe Thunderstorm Warning | DVN | Henry, Whiteside | 47 min |
| Apr 5, 3:36 PM CST | Severe Thunderstorm Warning | ILX | McLean, Woodford | 39 min |
| Apr 5, 3:36 PM CST | Severe Thunderstorm Warning | ILX | Marshall | 39 min |
| Apr 5, 3:41 PM CST | Severe Thunderstorm Warning | ILX | DeWitt, Macon | 34 min |
| Apr 5, 3:45 PM CST | Severe Thunderstorm Warning | LOT | LaSalle, Lee, Livingston | 45 min |
| Apr 5, 3:45 PM CST | Severe Thunderstorm Warning | LOT | Ogle | 45 min |
| Apr 5, 3:48 PM CST | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess | 42 min |
| Apr 5, 3:53 PM CST | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 47 min |
| Apr 5, 4:11 PM CST | Severe Thunderstorm Warning | ILX | DeWitt, Macon, Piatt | 34 min |
| Apr 5, 4:11 PM CST | Severe Thunderstorm Warning | ILX | McLean | 34 min |
| Apr 5, 4:15 PM CST | Severe Thunderstorm Warning | DVN | Stephenson | 45 min |
| Apr 5, 4:15 PM CST | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 13 more | 4 hr |
| Apr 5, 4:26 PM CST | Severe Thunderstorm Warning | LOT | DeKalb, Grundy, Kendall, LaSalle | 34 min |
| Apr 5, 4:26 PM CST | Severe Thunderstorm Warning | LOT | Ford, Livingston | 34 min |
| Apr 5, 4:26 PM CST | Severe Thunderstorm Warning | LOT | Lee | 34 min |
| Apr 5, 4:33 PM CST | Severe Thunderstorm Warning | ILX | Champaign | 57 min |
| Apr 5, 4:59 PM CST | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Kankakee | 31 min |
| Apr 5, 4:59 PM CST | Severe Thunderstorm Warning | LOT | Boone, DeKalb, Kane, Kendall, McHenry | 31 min |
| Apr 5, 4:59 PM CST | Severe Thunderstorm Warning | LOT | Grundy, Will | 31 min |
| Apr 5, 4:59 PM CST | Severe Thunderstorm Warning | LOT | DuPage | 31 min |
| Apr 5, 5:26 PM CST | Severe Thunderstorm Warning | LOT | Cook, Lake, McHenry | 34 min |
| Apr 5, 5:26 PM CST | Severe Thunderstorm Warning | LOT | DuPage, Kankakee, Will | 34 min |
| Apr 5, 5:26 PM CST | Severe Thunderstorm Warning | LOT | Iroquois | 34 min |
| Apr 18, 8:51 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 39 min |
| Apr 18, 8:58 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 47 min |
| Apr 18, 9:15 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Calhoun, Clinton, Franklin, Greene and 18 more | 4 hr |
| Apr 18, 9:30 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 30 min |
| Apr 18, 9:45 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 45 min |
| Apr 18, 9:59 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Warren | 46 min |
| Apr 18, 10:20 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 40 min |
| Apr 18, 11:17 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey, Macoupin, Madison | 43 min |
| Apr 18, 11:56 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Madison | 49 min |
| Apr 19, 12:34 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Saint Clair, Washington | 41 min |
| Apr 20, 9:00 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Franklin, Hamilton, Jackson, Johnson, Perry and 6 more | 6 hr |
| Apr 20, 11:20 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Pulaski, Union | 40 min |
| Apr 20, 11:20 PM CDT | Severe Thunderstorm Warning | PAH | Johnson | 40 min |
| Apr 20, 11:37 PM CDT | Severe Thunderstorm Warning | PAH | Hardin, Massac, Pope | 33 min |
| Apr 30, 12:30 PM CDT | Tornado Watch | SPC | Adams, Brown, Bureau, Carroll, Cass, DeKalb and 28 more | 7 hr |
| Apr 30, 1:31 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 29 min |
| Apr 30, 1:36 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 34 min |
| Apr 30, 1:41 PM CDT | Tornado Warning | DVN | Hancock | 34 min |
| Apr 30, 1:42 PM CDT | Tornado Warning | LSX | Adams | 48 min |
| Apr 30, 2:03 PM CDT | Tornado Warning | ILX | Schuyler | 27 min |
| Apr 30, 2:06 PM CDT | Tornado Warning | DVN | McDonough | 34 min |
| Apr 30, 2:22 PM CDT | Tornado Warning | DVN | Warren | 48 min |
| Apr 30, 2:23 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 52 min |
| Apr 30, 2:25 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 35 min |
| Apr 30, 2:27 PM CDT | Tornado Warning | ILX | Fulton, Schuyler | 48 min |
| Apr 30, 2:28 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 47 min |
| Apr 30, 2:30 PM CDT | Tornado Watch | SPC | Bond, Christian, Clark, Clay, Clinton, Coles and 20 more | 7 hr |
| Apr 30, 2:33 PM CDT | Tornado Warning | LSX | Macoupin | 42 min |
| Apr 30, 2:41 PM CDT | Tornado Warning | LOT | Lee | 34 min |
| Apr 30, 2:47 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 43 min |
| Apr 30, 2:48 PM CDT | Tornado Warning | ILX | Knox | 42 min |
| Apr 30, 2:51 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette | 54 min |
| Apr 30, 2:58 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 47 min |
| Apr 30, 3:02 PM CDT | Tornado Warning | ILX | Peoria, Tazewell | 43 min |
| Apr 30, 3:02 PM CDT | Tornado Warning | ILX | Mason | 43 min |
| Apr 30, 3:05 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 40 min |
| Apr 30, 3:12 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb | 48 min |
| Apr 30, 3:15 PM CDT | Tornado Warning | ILX | Christian | 45 min |
| Apr 30, 3:23 PM CDT | Tornado Warning | ILX | Marshall, Stark | 37 min |
| Apr 30, 3:29 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 46 min |
| Apr 30, 3:30 PM CDT | Tornado Warning | DVN | Henry | 50 min |
| Apr 30, 3:30 PM CDT | Tornado Watch | SPC | Champaign, Cook, DuPage, Ford, Grundy, Iroquois and 8 more | 6 hr |
| Apr 30, 3:32 PM CDT | Tornado Warning | ILX | Macon | 43 min |
| Apr 30, 3:43 PM CDT | Tornado Warning | ILX | McLean, Tazewell | 47 min |
| Apr 30, 3:43 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 32 min |
| Apr 30, 3:50 PM CDT | Tornado Warning | ILX | DeWitt | 40 min |
| Apr 30, 3:57 PM CDT | Tornado Warning | ILX | Piatt | 48 min |
| Apr 30, 4:00 PM CDT | Tornado Warning | ILX | Marshall | 30 min |
| Apr 30, 4:05 PM CDT | Tornado Warning | ILX | Champaign | 55 min |
| Apr 30, 4:19 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson, Wayne | 41 min |
| Apr 30, 4:29 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Livingston | 31 min |
| Apr 30, 4:30 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland | 30 min |
| Apr 30, 4:40 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Edgar | 50 min |
| Apr 30, 4:46 PM CDT | Tornado Warning | DVN | Carroll, Whiteside | 34 min |
| Apr 30, 4:58 PM CDT | Tornado Warning | DVN | Jo Daviess | 32 min |
| Apr 30, 5:13 PM CDT | Tornado Warning | LOT | Lake | 32 min |
| Apr 30, 5:30 PM CDT | Tornado Watch | SPC | Clark, Coles, Crawford, Cumberland, Douglas, Edgar and 6 more | 6 hr |
| Apr 30, 5:36 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence, Richland | 29 min |
| Apr 30, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | Gallatin, Hardin, Johnson, Massac, Pope, Saline and 1 more | 6 hr |
| Apr 30, 7:02 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin | 43 min |
| May 2, 1:27 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 33 min |
| May 2, 1:30 PM CDT | Tornado Watch | SPC | Alexander, Clay, Clinton, Edwards, Franklin, Gallatin and 20 more | 6 hr |
| May 2, 1:37 PM CDT | Severe Thunderstorm Warning | PAH | Perry | 38 min |
| May 2, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | Madison, Monroe | 7 hr |
| May 2, 9:11 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Pulaski | 49 min |
| May 2, 9:37 PM CDT | Flash Flood Warning | PAH | Hardin, Pope | 3 hr |
| May 2, 9:44 PM CDT | Severe Thunderstorm Warning | PAH | Massac | 46 min |
| May 2, 10:06 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Piatt | 24 min |
| May 2, 11:36 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey | 54 min |
| May 5, 1:45 PM CDT | Severe Thunderstorm Watch | SPC | Champaign, Christian, Coles, Cook, DeWitt, Douglas and 17 more | 5 hr |
| May 5, 2:02 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Will | 43 min |
| May 5, 2:10 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 50 min |
| May 5, 2:24 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 51 min |
| May 5, 4:34 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 26 min |
| May 7, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | Mercer, Rock Island | 6 hr |
| May 18, 2:30 PM CDT | Tornado Watch | SPC | Henderson, Jo Daviess, Mercer, Rock Island | 7 hr |
| May 18, 5:10 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 50 min |
| May 18, 5:30 PM CDT | Tornado Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DeWitt and 38 more | 6 hr |
| May 18, 5:40 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Whiteside | 50 min |
| May 18, 5:51 PM CDT | Severe Thunderstorm Warning | LOT | Ogle | 69 min |
| May 18, 6:30 PM CDT | Severe Thunderstorm Warning | LOT | Boone | 45 min |
| May 18, 6:41 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 64 min |
| May 18, 6:45 PM CDT | Tornado Warning | LOT | Lee | 60 min |
| May 18, 6:56 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 64 min |
| May 18, 7:00 PM CDT | Tornado Warning | LOT | Lake, McHenry | 60 min |
| May 18, 7:09 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 66 min |
| May 18, 7:10 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 50 min |
| May 18, 7:19 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Lee | 56 min |
| May 18, 7:30 PM CDT | Tornado Warning | LOT | Kane | 30 min |
| May 18, 7:42 PM CDT | Severe Thunderstorm Warning | LOT | Kendall, LaSalle | 63 min |
| May 18, 7:47 PM CDT | Tornado Warning | LOT | DuPage, Will | 58 min |
| May 18, 8:00 PM CDT | Tornado Watch | SPC | Iroquois | 5 hr |
| May 18, 8:01 PM CDT | Tornado Warning | DVN | Rock Island | 49 min |
| May 18, 8:03 PM CDT | Severe Thunderstorm Warning | DVN | Henderson | 52 min |
| May 18, 8:04 PM CDT | Tornado Warning | LOT | Grundy, Kankakee, Will | 56 min |
| May 18, 8:04 PM CDT | Tornado Warning | LOT | Cook | 56 min |
| May 18, 8:13 PM CDT | Tornado Warning | DVN | Henry | 47 min |
| May 18, 8:26 PM CDT | Severe Thunderstorm Warning | DVN | Warren | 49 min |
| May 18, 8:33 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 47 min |
| May 18, 8:38 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 47 min |
| May 18, 8:46 PM CDT | Tornado Warning | DVN | Bureau | 49 min |
| May 18, 8:50 PM CDT | Severe Thunderstorm Warning | DVN | Henderson | 45 min |
| May 18, 8:52 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Kankakee | 2 hr |
| May 18, 8:52 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 2 hr |
| May 18, 8:59 PM CDT | Severe Thunderstorm Warning | DVN | Mercer | 36 min |
| May 18, 9:07 PM CDT | Tornado Warning | DVN | Warren | 48 min |
| May 18, 9:14 PM CDT | Tornado Warning | DVN | Putnam | 31 min |
| May 18, 9:17 PM CDT | Tornado Warning | ILX | Knox | 48 min |
| May 18, 9:18 PM CDT | Tornado Warning | LOT | LaSalle | 57 min |
| May 18, 9:31 PM CDT | Tornado Warning | ILX | Fulton, Peoria | 49 min |
| May 18, 9:54 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Livingston | 66 min |
| May 18, 10:10 PM CDT | Tornado Warning | ILX | Tazewell | 50 min |
| May 18, 10:13 PM CDT | Tornado Warning | ILX | Peoria | 32 min |
| May 18, 10:17 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 43 min |
| May 18, 10:50 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois, Kankakee | 55 min |
| May 18, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 28 more | 6 hr |
| May 18, 11:05 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 40 min |
| May 18, 11:12 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Livingston | 63 min |
| May 19, 12:29 AM CDT | Severe Thunderstorm Warning | LSX | Pike | 31 min |
| May 24, 4:45 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 45 min |
| May 25, 9:07 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 38 min |
| May 25, 9:39 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 66 min |
| May 25, 10:01 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Perry | 44 min |
| May 25, 10:49 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Union, Williamson | 41 min |
| May 25, 11:27 PM CDT | Severe Thunderstorm Warning | PAH | Johnson | 48 min |
| May 26, 3:53 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 52 min |
| May 26, 4:00 PM CDT | Tornado Watch | SPC | Alexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 7 more | 6 hr |
| May 28, 4:27 PM CDT | Flash Flood Warning | PAH | Massac | 2 hr |
| May 28, 4:27 PM CDT | Flash Flood Warning | PAH | Pope | 2 hr |
| May 28, 6:26 PM CDT | Flash Flood Warning | PAH | Massac, Pope | 64 min |
| May 30, 6:03 PM CDT | Severe Thunderstorm Warning | PAH | Johnson, Union | 42 min |
| May 30, 9:35 PM CDT | Flash Flood Warning | PAH | Union | 85 min |
| May 30, 11:20 PM CDT | Flash Flood Warning | PAH | Gallatin, Saline | 100 min |
| Jun 6, 12:09 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 51 min |
| Jun 6, 2:04 PM CDT | Tornado Warning | ILX | Fulton | 56 min |
| Jun 6, 2:57 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Edgar | 48 min |
| Jun 6, 3:20 PM CDT | Severe Thunderstorm Warning | ILX | Jasper | 55 min |
| Jun 6, 3:29 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 61 min |
| Jun 6, 3:39 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Richland | 51 min |
| Jun 6, 4:00 PM CDT | Flash Flood Warning | PAH | Franklin | 2 hr |
| Jun 6, 5:30 PM CDT | Flash Flood Warning | PAH | Wayne | 2 hr |
| Jun 6, 6:46 PM CDT | Severe Thunderstorm Warning | PAH | Franklin | 44 min |
| Jun 6, 6:53 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 52 min |
| Jun 6, 7:12 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 48 min |
| Jun 6, 8:15 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 30 min |
| Jun 6, 8:50 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 25 min |
| Jun 7, 8:20 PM CDT | Severe Thunderstorm Warning | DVN | McDonough | 30 min |
| Jun 7, 9:11 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 64 min |
| Jun 12, 12:56 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 49 min |
| Jun 12, 1:35 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Mason | 40 min |
| Jun 12, 1:43 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Tazewell | 47 min |
| Jun 12, 2:25 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 50 min |
| Jun 12, 2:46 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 44 min |
| Jun 12, 6:52 PM CDT | Tornado Warning | ILX | Douglas | 38 min |
| Jun 12, 7:34 PM CDT | Flash Flood Warning | ILX | Douglas | 116 min |
| Jun 13, 11:44 AM CDT | Severe Thunderstorm Warning | PAH | Johnson, Williamson | 46 min |
| Jun 13, 12:02 PM CDT | Severe Thunderstorm Warning | PAH | Pope | 28 min |
| Jun 13, 8:07 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 38 min |
| Jun 13, 8:17 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 43 min |
| Jun 13, 8:20 PM CDT | Severe Thunderstorm Warning | PAH | Union | 40 min |
| Jun 13, 8:34 PM CDT | Severe Thunderstorm Warning | PAH | Johnson, Pulaski | 41 min |
| Jun 13, 8:34 PM CDT | Severe Thunderstorm Warning | PAH | Williamson | 41 min |
| Jun 13, 8:58 PM CDT | Severe Thunderstorm Warning | PAH | Massac | 47 min |
| Jun 15, 6:30 PM CDT | Tornado Watch | SPC | Boone, Bureau, Carroll, Henderson, Henry, Jo Daviess and 10 more | 7 hr |
| Jun 15, 9:50 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 55 min |
| Jun 15, 9:50 PM CDT | Severe Thunderstorm Warning | LOT | Winnebago | 55 min |
| Jun 15, 10:17 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess | 63 min |
| Jun 15, 10:18 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 27 min |
| Jun 15, 11:36 PM CDT | Flash Flood Warning | LOT | Winnebago | 3 hr |
| Jun 15, 11:56 PM CDT | Flash Flood Warning | LOT | Boone, McHenry | 3 hr |
| Jun 16, 12:35 AM CDT | Flash Flood Warning | DVN | Carroll, Jo Daviess, Stephenson | 3 hr |
| Jun 16, 12:35 AM CDT | Flash Flood Warning | DVN | Carroll, Jo Daviess, Stephenson | 5 hr |
| Jun 16, 12:46 AM CDT | Flash Flood Warning | DVN | Hancock, Henderson | 5 hr |
| Jun 16, 12:46 AM CDT | Flash Flood Warning | DVN | McDonough, Warren | 5 hr |
| Jun 20, 11:25 AM CDT | Flash Flood Warning | ILX | Logan, Mason | 2 hr |
| Jun 20, 6:07 PM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 63 min |
| Jun 20, 7:32 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Winnebago | 58 min |
| Jun 20, 7:48 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 57 min |
| Jun 20, 8:54 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 51 min |
| Jun 21, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | Mercer | 6 hr |
| Jun 21, 2:15 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 9 more | 5 hr |
| Jun 21, 5:00 AM CDT | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 60 min |
| Jun 21, 5:17 AM CDT | Severe Thunderstorm Warning | DVN | Henderson | 33 min |
| Jun 21, 5:34 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Whiteside | 56 min |
| Jun 21, 5:34 AM CDT | Severe Thunderstorm Warning | DVN | Warren | 56 min |
| Jun 21, 5:34 AM CDT | Severe Thunderstorm Warning | DVN | Carroll | 56 min |
| Jun 21, 5:57 AM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 48 min |
| Jun 21, 6:16 AM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle | 59 min |
| Jun 21, 6:19 AM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 46 min |
| Jun 21, 6:49 AM CDT | Severe Thunderstorm Warning | LOT | Winnebago | 41 min |
| Jun 21, 7:00 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Ford and 18 more | 4 hr |
| Jun 21, 4:39 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 51 min |
| Jun 21, 5:18 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 57 min |
| Jun 21, 5:23 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Edgar | 37 min |
| Jun 21, 5:32 PM CDT | Severe Thunderstorm Warning | LSX | Clinton | 43 min |
| Jun 21, 5:33 PM CDT | Severe Thunderstorm Warning | ILX | Cumberland | 42 min |
| Jun 21, 5:44 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Marion | 46 min |
| Jun 21, 6:01 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Edgar | 59 min |
| Jun 21, 6:08 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 52 min |
| Jun 21, 6:13 PM CDT | Severe Thunderstorm Warning | ILX | Effingham, Jasper | 47 min |
| Jun 21, 6:31 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 44 min |
| Jun 21, 6:44 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 31 min |
| Jun 21, 6:52 PM CDT | Severe Thunderstorm Warning | PAH | Edwards | 38 min |
| Jun 21, 7:00 PM CDT | Severe Thunderstorm Warning | ILX | Richland | 60 min |
| Jun 21, 7:02 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 43 min |
| Jun 21, 7:09 PM CDT | Severe Thunderstorm Warning | PAH | Wabash | 51 min |
| Jun 21, 7:42 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 48 min |
| Jun 21, 11:45 PM CDT | Flash Flood Warning | LSX | Monroe, Saint Clair | 5 hr |
| Jun 24, 6:00 PM CDT | Severe Thunderstorm Warning | LOT | McHenry | 45 min |
| Jun 24, 6:27 PM CDT | Severe Thunderstorm Warning | LOT | Lake | 48 min |
| Jun 24, 11:39 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 61 min |
| Jun 25, 1:40 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Livingston | 35 min |
| Jun 25, 2:04 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 26 min |
| Jun 25, 2:33 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 42 min |
| Jun 25, 2:39 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 51 min |
| Jun 25, 2:56 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 34 min |
| Jun 25, 3:23 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 37 min |
| Jun 25, 4:42 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 33 min |
| Jun 25, 5:28 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 47 min |
| Jun 25, 7:15 PM CDT | Severe Thunderstorm Warning | ILX | Richland | 30 min |
| Jun 25, 7:33 PM CDT | Severe Thunderstorm Warning | ILX | Crawford | 27 min |
| Jun 25, 7:41 PM CDT | Severe Thunderstorm Warning | ILX | Jasper | 34 min |
| Jun 25, 8:27 PM CDT | Severe Thunderstorm Warning | ILX | Crawford | 33 min |
| Jun 27, 4:03 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 42 min |
| Jun 29, 5:24 PM CDT | Flash Flood Warning | LSX | Adams | 2 hr |
| Jun 29, 11:59 PM CDT | Flash Flood Warning | DVN | Hancock | 5 hr |
| Jun 30, 2:55 PM CDT | Flash Flood Warning | ILX | Macon | 2 hr |
| Jun 30, 3:33 PM CDT | Flash Flood Warning | ILX | Champaign | 2 hr |
| Jul 1, 11:40 PM CDT | Tornado Warning | DVN | Jo Daviess | 60 min |
| Jul 2, 12:41 AM CDT | Tornado Warning | DVN | Jo Daviess | 59 min |
| Jul 2, 1:20 AM CDT | Tornado Warning | DVN | Stephenson | 60 min |
| Jul 4, 1:46 AM CDT | Severe Thunderstorm Warning | PAH | Alexander | 59 min |
| Jul 6, 5:59 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 46 min |
| Jul 6, 7:43 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 62 min |
| Jul 8, 7:23 PM CDT | Severe Thunderstorm Warning | PAH | Pulaski | 37 min |
| Jul 8, 7:47 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 28 min |
| Jul 8, 8:05 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 40 min |
| Jul 8, 8:15 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 45 min |
| Jul 14, 1:15 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Champaign, Clark, Clay, Coles, Crawford and 14 more | 6 hr |
| Jul 14, 1:34 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 26 min |
| Jul 14, 1:40 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 35 min |
| Jul 14, 1:52 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois | 68 min |
| Jul 14, 1:53 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Piatt | 37 min |
| Jul 14, 2:24 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 51 min |
| Jul 14, 2:31 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 44 min |
| Jul 14, 2:47 PM CDT | Severe Thunderstorm Warning | ILX | Douglas | 43 min |
| Jul 14, 2:55 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 50 min |
| Jul 14, 3:13 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Moultrie | 47 min |
| Jul 14, 3:18 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette | 42 min |
| Jul 14, 3:21 PM CDT | Severe Thunderstorm Warning | ILX | Shelby | 54 min |
| Jul 14, 3:45 PM CDT | Severe Thunderstorm Warning | ILX | Effingham | 30 min |
| Jul 14, 3:54 PM CDT | Severe Thunderstorm Warning | LSX | Clinton | 36 min |
| Jul 14, 4:01 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 44 min |
| Jul 14, 4:13 PM CDT | Severe Thunderstorm Warning | ILX | Effingham | 32 min |
| Jul 14, 4:17 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Jasper | 43 min |
| Jul 14, 4:24 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 66 min |
| Jul 14, 4:49 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 56 min |
| Jul 14, 5:22 PM CDT | Severe Thunderstorm Warning | PAH | Franklin, Hamilton | 68 min |
| Jul 14, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Edwards, Gallatin, Hamilton, Hardin, Johnson and 10 more | 6 hr |
| Jul 14, 5:34 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wayne | 71 min |
| Jul 14, 5:38 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Perry | 67 min |
| Jul 14, 5:46 PM CDT | Severe Thunderstorm Warning | PAH | Wabash | 74 min |
| Jul 14, 5:53 PM CDT | Severe Thunderstorm Warning | PAH | Williamson | 67 min |
| Jul 14, 6:15 PM CDT | Severe Thunderstorm Warning | PAH | Union | 75 min |
| Jul 14, 6:15 PM CDT | Severe Thunderstorm Warning | PAH | Saline | 75 min |
| Jul 14, 6:39 PM CDT | Severe Thunderstorm Warning | PAH | Johnson | 66 min |
| Jul 14, 6:55 PM CDT | Severe Thunderstorm Warning | PAH | Pope | 65 min |
| Jul 14, 7:06 PM CDT | Severe Thunderstorm Warning | PAH | Massac, Pulaski | 69 min |
| Jul 14, 7:06 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 69 min |
| Jul 14, 7:58 PM CDT | Flash Flood Warning | PAH | Pope | 2 hr |
| Jul 18, 3:58 AM CDT | Severe Thunderstorm Warning | DVN | Carroll | 47 min |
| Jul 18, 10:30 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, DeKalb, Jo Daviess, Lee, McHenry and 4 more | 6 hr |
| Jul 18, 1:12 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 63 min |
| Jul 18, 1:45 PM CDT | Severe Thunderstorm Watch | SPC | Cook, DuPage, Grundy, Kane, Kankakee, Kendall and 4 more | 6 hr |
| Jul 18, 2:25 PM CDT | Severe Thunderstorm Warning | LOT | Winnebago | 50 min |
| Jul 18, 2:39 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 66 min |
| Jul 18, 2:42 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 48 min |
| Jul 18, 2:42 PM CDT | Severe Thunderstorm Warning | LOT | Boone | 48 min |
| Jul 18, 2:52 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 53 min |
| Jul 18, 3:05 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Lee | 55 min |
| Jul 18, 3:07 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee, Will | 68 min |
| Jul 18, 3:29 PM CDT | Severe Thunderstorm Warning | LOT | DuPage, Kane, Kendall | 61 min |
| Jul 18, 3:37 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 68 min |
| Jul 18, 3:57 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Will | 63 min |
| Jul 18, 4:07 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 68 min |
| Jul 18, 4:47 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 58 min |
| Jul 18, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Champaign, Clark, Coles, Douglas, Edgar, Ford and 2 more | 5 hr |
| Jul 18, 5:02 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 58 min |
| Jul 18, 5:48 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 42 min |
| Jul 18, 6:02 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 43 min |
| Jul 18, 6:22 PM CDT | Severe Thunderstorm Warning | ILX | Morgan | 53 min |
| Jul 18, 6:34 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 56 min |
| Jul 18, 6:52 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Sangamon | 38 min |
| Jul 18, 7:24 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 51 min |
| Jul 18, 7:32 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Sangamon | 58 min |
| Jul 19, 1:45 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 45 min |
| Jul 19, 2:27 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 48 min |
| Jul 19, 3:03 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 47 min |
| Jul 19, 3:29 PM CDT | Severe Thunderstorm Warning | DVN | Mercer | 46 min |
| Jul 19, 3:56 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 64 min |
| Jul 19, 4:09 PM CDT | Severe Thunderstorm Warning | DVN | Warren | 51 min |
| Jul 19, 4:13 PM CDT | Severe Thunderstorm Warning | DVN | Mercer | 32 min |
| Jul 19, 4:18 PM CDT | Severe Thunderstorm Warning | PAH | White | 27 min |
| Jul 19, 4:59 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox | 46 min |
| Jul 19, 5:35 PM CDT | Tornado Warning | DVN | Hancock, Henderson, McDonough | 50 min |
| Jul 19, 5:53 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason | 37 min |
| Jul 19, 6:01 PM CDT | Severe Thunderstorm Warning | PAH | Saline, Williamson | 44 min |
| Jul 19, 6:17 PM CDT | Severe Thunderstorm Warning | PAH | Franklin | 28 min |
| Jul 19, 6:22 PM CDT | Severe Thunderstorm Warning | DVN | McDonough | 48 min |
| Jul 19, 6:26 PM CDT | Severe Thunderstorm Warning | ILX | Mason, Menard | 34 min |
| Jul 19, 7:02 PM CDT | Severe Thunderstorm Warning | ILX | Menard, Sangamon | 43 min |
| Jul 20, 11:23 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 67 min |
| Jul 21, 1:37 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, McLean | 38 min |
| Jul 21, 2:19 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 26 min |
| Jul 21, 2:39 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Macon, Piatt | 36 min |
| Jul 21, 3:11 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 49 min |
| Jul 21, 3:56 PM CDT | Tornado Warning | DVN | Rock Island | 49 min |
| Jul 25, 7:45 PM CDT | Tornado Watch | SPC | Boone, Carroll, Cook, Jo Daviess, Kane, Lake and 4 more | 5 hr |
| Jul 26, 6:28 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 62 min |
| Jul 26, 6:46 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Kane | 59 min |
| Jul 26, 7:15 PM CDT | Severe Thunderstorm Watch | SPC | Cook, DuPage, Kendall, Lake, Will | 6 hr |
| Jul 27, 8:45 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 5 more | 4 hr |
| Jul 27, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Cass, Champaign, Coles, DeWitt, Douglas and 34 more | 6 hr |
| Jul 27, 4:51 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island, Whiteside | 64 min |
| Jul 27, 5:08 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 62 min |
| Jul 27, 6:57 PM CDT | Severe Thunderstorm Warning | DVN | McDonough | 63 min |
| Jul 27, 7:18 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 42 min |
| Jul 27, 7:23 PM CDT | Severe Thunderstorm Warning | ILX | Mason | 37 min |
| Jul 27, 8:21 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 39 min |
| Aug 3, 2:15 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Bureau, Carroll, Cass, Fulton, Hancock and 24 more | 6 hr |
| Aug 3, 2:53 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 62 min |
| Aug 3, 3:47 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 63 min |
| Aug 3, 3:51 PM CDT | Tornado Warning | DVN | Rock Island | 49 min |
| Aug 3, 4:01 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 64 min |
| Aug 3, 4:23 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Stark | 52 min |
| Aug 3, 4:50 PM CDT | Tornado Warning | ILX | Knox | 65 min |
| Aug 3, 5:02 PM CDT | Severe Thunderstorm Warning | ILX | Peoria | 63 min |
| Aug 3, 5:07 PM CDT | Tornado Warning | ILX | Peoria | 53 min |
| Aug 3, 8:04 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 26 min |
| Aug 3, 9:05 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 55 min |
| Aug 3, 9:48 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 32 min |
| Aug 3, 10:41 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 49 min |
| Aug 4, 12:05 AM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 45 min |
| Aug 4, 2:44 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 46 min |
| Aug 4, 3:49 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 56 min |
| Aug 4, 4:38 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 37 min |
| Aug 4, 4:41 PM CDT | Severe Thunderstorm Warning | LOT | Will | 49 min |
| Aug 4, 4:54 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess | 36 min |
| Aug 4, 4:58 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 62 min |
| Aug 4, 5:13 PM CDT | Severe Thunderstorm Warning | DVN | Carroll | 47 min |
| Aug 4, 5:43 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 32 min |
| Aug 4, 5:53 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 67 min |
| Aug 4, 6:02 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 58 min |
| Aug 4, 6:10 PM CDT | Severe Thunderstorm Warning | DVN | Putnam | 50 min |
| Aug 4, 6:16 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 59 min |
| Aug 4, 6:53 PM CDT | Severe Thunderstorm Warning | LOT | Ford | 52 min |
| Aug 4, 8:09 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 51 min |
| Aug 15, 4:01 AM CDT | Severe Thunderstorm Warning | ILX | Menard, Sangamon | 44 min |
| Aug 15, 4:25 AM CDT | Severe Thunderstorm Warning | ILX | Logan | 35 min |
| Aug 15, 5:08 AM CDT | Severe Thunderstorm Warning | ILX | DeWitt, McLean | 37 min |
| Aug 16, 1:49 AM CDT | Severe Thunderstorm Warning | LOT | Livingston | 26 min |
| Aug 16, 2:42 AM CDT | Severe Thunderstorm Warning | ILX | Knox | 48 min |
| Aug 16, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 29 more | 6 hr |
| Aug 16, 5:58 PM CDT | Tornado Warning | DVN | Whiteside | 62 min |
| Aug 16, 6:05 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 25 min |
| Aug 16, 7:02 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb | 28 min |
| Aug 16, 7:09 PM CDT | Tornado Warning | DVN | Rock Island | 46 min |
| Aug 16, 7:24 PM CDT | Tornado Warning | DVN | Whiteside | 46 min |
| Aug 16, 7:29 PM CDT | Flash Flood Warning | LOT | Cook | 3 hr |
| Aug 16, 7:55 PM CDT | Tornado Warning | DVN | Rock Island | 35 min |
| Aug 16, 8:07 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, Will | 68 min |
| Aug 16, 8:07 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 68 min |
| Aug 16, 8:10 PM CDT | Tornado Warning | DVN | Whiteside | 30 min |
| Aug 16, 8:23 PM CDT | Tornado Warning | DVN | Henry | 62 min |
| Aug 16, 8:30 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Stark | 45 min |
| Aug 16, 9:02 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 28 min |
| Aug 16, 9:11 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 49 min |
| Aug 16, 9:15 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Stark | 45 min |
| Aug 16, 9:25 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 65 min |
| Aug 17, 12:23 AM CDT | Flash Flood Warning | DVN | Bureau, Henry | 8 hr |
| Aug 17, 12:23 AM CDT | Flash Flood Warning | DVN | Mercer | 8 hr |
| Aug 17, 1:05 AM CDT | Flash Flood Warning | LOT | Ford | 6 hr |
| Aug 17, 1:17 AM CDT | Flash Flood Warning | ILX | Marshall, Woodford | 4 hr |
| Aug 17, 2:45 AM CDT | Flash Flood Warning | LOT | Livingston | 6 hr |
| Aug 17, 3:45 AM CDT | Flash Flood Warning | ILX | Macon, Piatt | 4 hr |
| Aug 17, 3:45 AM CDT | Flash Flood Warning | ILX | Champaign | 4 hr |
| Aug 24, 10:35 AM CDT | Severe Thunderstorm Warning | ILX | Macon | 25 min |
| Aug 24, 12:32 PM CDT | Severe Thunderstorm Warning | ILX | Douglas | 28 min |
| Aug 24, 12:48 PM CDT | Severe Thunderstorm Warning | ILX | Coles | 27 min |
| Aug 24, 1:17 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 43 min |
| Aug 24, 1:26 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Edgar | 49 min |
| Aug 24, 1:52 PM CDT | Severe Thunderstorm Warning | ILX | Woodford | 38 min |
| Aug 24, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Cass, Christian, Clark and 38 more | 6 hr |
| Aug 24, 2:04 PM CDT | Severe Thunderstorm Warning | ILX | Peoria | 41 min |
| Aug 24, 2:51 PM CDT | Tornado Warning | ILX | Logan, Tazewell | 39 min |
| Aug 24, 3:17 PM CDT | Severe Thunderstorm Warning | ILX | Tazewell | 43 min |
| Aug 24, 3:27 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean | 48 min |
| Aug 24, 3:54 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 36 min |
| Aug 24, 4:09 PM CDT | Tornado Warning | ILX | Logan | 51 min |
| Aug 24, 4:24 PM CDT | Tornado Warning | ILX | Christian, Macon, Shelby | 36 min |
| Aug 24, 4:39 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Warren | 46 min |
| Aug 24, 5:01 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 44 min |
| Aug 24, 5:25 PM CDT | Tornado Warning | ILX | Mason, Menard | 35 min |
| Aug 24, 5:28 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 32 min |
| Aug 24, 5:43 PM CDT | Tornado Warning | DVN | Hancock | 32 min |
| Aug 24, 6:06 PM CDT | Severe Thunderstorm Warning | ILX | Mason, Menard | 39 min |
| Aug 24, 6:12 PM CDT | Tornado Warning | DVN | Hancock | 33 min |
| Aug 24, 6:21 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 39 min |
| Aug 24, 6:51 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason, Menard | 39 min |
| Aug 24, 7:01 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 44 min |
| Aug 24, 7:10 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie, Piatt | 50 min |
| Aug 24, 7:21 PM CDT | Severe Thunderstorm Warning | ILX | Coles | 39 min |
| Aug 24, 7:47 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 58 min |
| Aug 24, 7:57 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Moultrie | 33 min |
| Aug 24, 8:25 PM CDT | Severe Thunderstorm Warning | ILX | Douglas | 35 min |
| Aug 24, 8:45 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 60 min |
| Aug 24, 8:52 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 38 min |
| Aug 25, 5:02 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 28 min |
| Aug 25, 5:27 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 48 min |
| Sep 2, 5:23 PM CDT | Severe Thunderstorm Warning | LSX | Clinton | 52 min |
| Sep 8, 11:54 AM CDT | Severe Thunderstorm Warning | PAH | Franklin, Saline | 36 min |
| Sep 8, 3:00 PM CDT | Flash Flood Warning | ILX | Mason, Tazewell | 2 hr |
| Sep 16, 5:45 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, DeKalb, Henderson, Henry and 18 more | 6 hr |
| Sep 16, 6:47 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 48 min |
| Sep 16, 7:50 PM CDT | Severe Thunderstorm Warning | DVN | Mercer, Rock Island | 50 min |
| Sep 16, 8:29 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 46 min |
| Sep 16, 8:34 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 46 min |
| Sep 16, 8:40 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Stephenson | 50 min |
| Sep 16, 8:51 PM CDT | Severe Thunderstorm Warning | LOT | Ogle, Winnebago | 54 min |
| Sep 16, 8:54 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 56 min |
| Sep 16, 10:09 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Stark | 36 min |
| Sep 16, 10:22 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Woodford | 38 min |
| Sep 16, 10:46 PM CDT | Severe Thunderstorm Warning | DVN | Putnam | 34 min |
| Sep 19, 11:00 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 19 more | 5 hr |
| Sep 19, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Champaign, DeWitt, Ford, Grundy, Iroquois and 16 more | 5 hr |
| Sep 19, 8:00 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 30 min |
| Sep 19, 8:17 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 28 min |
| Nov 1, 3:43 AM CST | Severe Thunderstorm Warning | LSX | Randolph | 32 min |
| Nov 1, 4:14 AM CST | Severe Thunderstorm Warning | PAH | Jackson | 46 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 | 378 |
| Tornado Warning | 64 |
| Severe Thunderstorm Watch | 30 |
| Tornado Watch | 14 |
| Flooding | |
| Flash Flood Warning | 53 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County27
- Rock Island County26
- Will County26
- Jo Daviess County25
- McHenry County25
- McLean County25
- Carroll County24
- LaSalle County24
- Lee County24
- Kankakee County24
- Whiteside County23
- Lake County23
- Livingston County23
- Henry County22
- Pope County21
- Ford County21
- Iroquois County21
- DeWitt County21
- Massac County20
- Mercer County20
- DuPage County20
- Kane County20
- Boone County20
- Macon County20
- Piatt County20
- Knox County20
- Johnson County19
- Bureau County19
- Grundy County19
- Winnebago County19
- Logan County19
- Mason County19
- Coles County18
- Pulaski County18
- Stephenson County18
- Henderson County18
- Warren County18
- Kendall County18
- DeKalb County18
- Ogle County18
62 more counties
- Champaign County18
- Tazewell County18
- Putnam County17
- Peoria County17
- Sangamon County16
- Menard County16
- Stark County16
- Hancock County15
- Christian County15
- Douglas County15
- Edgar County15
- Marshall County15
- Woodford County15
- Alexander County14
- Jackson County14
- Saline County14
- Union County14
- Williamson County14
- Madison County13
- Randolph County13
- Richland County13
- Saint Clair County13
- Wayne County13
- McDonough County13
- Fulton County13
- Vermilion County13
- Clark County12
- Clinton County12
- Hardin County12
- Shelby County12
- Franklin County11
- Jasper County11
- Lawrence County11
- Perry County11
- Washington County11
- Moultrie County11
- Adams County11
- Bond County10
- Clay County10
- Crawford County10
- Cumberland County10
- Effingham County10
- Fayette County10
- Jefferson County10
- Wabash County10
- Macoupin County10
- Edwards County9
- Gallatin County9
- Marion County9
- Monroe County8
- White County8
- Schuyler County8
- Hamilton County7
- Montgomery County7
- Greene County7
- Jersey County7
- Morgan County7
- Cass County7
- Pike County7
- Scott County5
- Brown County5
- Calhoun County4
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19961998
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.