Alert archive / Illinois / 2007
Weather alerts in Illinois, August 2007
342 weather alerts in August 2007, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in August 2007. Tap one for its archive.
- Alerts
- 342
- Warnings
- 233
- Watches
- 33
- Advisories
- 38
- Busiest day
- August 23, 200786 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 3:35 PM CDT | Excessive Heat Watch | LSX | Madison, Saint Clair | 25 hr |
| Aug 3, 2:20 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Hardin, Saline | 25 min |
| Aug 3, 2:39 PM CDT | Severe Thunderstorm Warning | PAH | Pope | 36 min |
| Aug 3, 3:13 PM CDT | Severe Thunderstorm Warning | PAH | Pope | 32 min |
| Aug 3, 3:34 PM CDT | Severe Thunderstorm Warning | PAH | Johnson | 26 min |
| Aug 3, 3:52 PM CDT | Severe Thunderstorm Warning | PAH | Pulaski, Union | 23 min |
| Aug 3, 4:10 PM CDT | Excessive Heat Watch | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 60 hr |
| Aug 3, 4:10 PM CDT | Excessive Heat Warning | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 6 days |
| Aug 3, 4:20 PM CDT | Severe Thunderstorm Warning | PAH | Pulaski | 25 min |
| Aug 3, 4:27 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 33 min |
| Aug 3, 6:01 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 44 min |
| Aug 4, 1:01 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, Clark, Coles and 19 more | 2 hr |
| Aug 4, 2:06 PM CDT | Severe Thunderstorm Warning | DVN | McDonough | 31 min |
| Aug 5, 3:47 AM CDT | Heat Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 5 days |
| Aug 5, 8:46 AM CDT | River Flood Advisory | LOT | Winnebago | 24 hr |
| Aug 5, 3:54 PM CDT | Mesoscale Discussion | SPC | Rock Island | 96 min |
| Aug 5, 6:09 PM CDT | Flash Flood Warning | LOT | Cook, Will | 6 hr |
| Aug 5, 6:09 PM CDT | Tornado Warning | LOT | Cook, DuPage, Will | 33 min |
| Aug 5, 7:22 PM CDT | Severe Thunderstorm Warning | LOT | Will | 38 min |
| Aug 5, 7:45 PM CDT | Tornado Warning | LOT | Kankakee | 11 min |
| Aug 5, 7:56 PM CDT | Mesoscale Discussion | SPC | Champaign, DeWitt, Douglas, Edgar, Ford, Iroquois and 7 more | 64 min |
| Aug 5, 8:08 PM CDT | Tornado Warning | LOT | Kankakee | 37 min |
| Aug 6, 2:22 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Grundy, Henry and 10 more | 83 min |
| Aug 6, 3:14 PM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Henry, Jo Daviess, Putnam, Rock Island and 2 more | 17 hr |
| Aug 6, 3:14 PM CDT | Heat Advisory | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 29 more | 72 hr |
| Aug 6, 3:36 PM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more | 19 hr |
| Aug 6, 9:05 PM CDT | River Flood Advisory | LOT | DeKalb | 36 hr |
| Aug 7, 12:40 AM CDT | Flash Flood Warning | DVN | Jo Daviess, Stephenson | 9 hr |
| Aug 7, 1:00 AM CDT | Flash Flood Warning | LOT | Boone, McHenry, Winnebago | 6 hr |
| Aug 7, 2:32 AM CDT | Flash Flood Warning | LOT | Cook, Lake | 6 hr |
| Aug 7, 2:48 AM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane | 57 min |
| Aug 7, 2:52 AM CDT | Flash Flood Warning | LOT | DeKalb, Kane | 6 hr |
| Aug 7, 2:52 AM CDT | Flash Flood Warning | LOT | DeKalb, Kane | 6 hr |
| Aug 7, 3:25 AM CDT | Heat Advisory | DVN | Hancock, Henderson, McDonough, Warren | 36 hr |
| Aug 7, 3:43 AM CDT | Special Marine Warning | LOT | 2 hr | |
| Aug 7, 4:39 AM CDT | Heat Advisory | LOT | Ford, Iroquois, Livingston | 35 hr |
| Aug 7, 7:24 AM CDT | River Flood Warning | LOT | Boone | 13 hr |
| Aug 7, 7:24 AM CDT | River Flood Warning | LOT | Winnebago | 3 days |
| Aug 7, 9:31 AM CDT | River Flood Warning | DVN | Stephenson | 10 hr |
| Aug 7, 9:37 AM CDT | River Flood Warning | LOT | Kane, McHenry | 11 hr |
| Aug 7, 9:55 AM CDT | River Flood Advisory | LOT | Cook | 52 hr |
| Aug 7, 10:05 AM CDT | River Flood Advisory | LOT | Ogle | 24 hr |
| Aug 7, 11:57 AM CDT | River Flood Warning | DVN | Henry, Rock Island, Whiteside | 8 hr |
| Aug 7, 12:03 PM CDT | River Flood Advisory | DVN | Whiteside | 24 hr |
| Aug 7, 12:03 PM CDT | River Flood Advisory | DVN | Henry, Rock Island | 47 hr |
| Aug 7, 1:58 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Fulton, Hancock, Henderson, Henry and 11 more | 2 hr |
| Aug 7, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Hancock, Henderson | 6 hr |
| Aug 7, 8:07 PM CDT | River Flood Advisory | DVN | Henry, Rock Island, Whiteside | 49 hr |
| Aug 7, 8:13 PM CDT | Mesoscale Discussion | SPC | Bureau, Cass, DeWitt, Ford, Fulton, Grundy and 27 more | 92 min |
| Aug 7, 9:28 PM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 7 hr |
| Aug 7, 9:35 PM CDT | Flash Flood Watch | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 4 more | 6 hr |
| Aug 7, 10:13 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 62 min |
| Aug 7, 11:45 PM CDT | Severe Thunderstorm Warning | LOT | Kendall, LaSalle | 45 min |
| Aug 8, 4:32 AM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more | 24 hr |
| Aug 8, 9:47 AM CDT | River Flood Advisory | DVN | Stephenson | 12 hr |
| Aug 8, 12:14 PM CDT | Mesoscale Discussion | SPC | Edgar, Iroquois, Vermilion | 91 min |
| Aug 8, 1:11 PM CDT | River Flood Warning | LOT | Boone | 33 hr |
| Aug 8, 2:26 PM CDT | Tornado Warning | LOT | Kane | 19 min |
| Aug 8, 2:48 PM CDT | Tornado Warning | LOT | Cook, Kane | 42 min |
| Aug 8, 3:25 PM CDT | Special Marine Warning | LOT | 2 hr | |
| Aug 8, 3:28 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, Christian, Clark and 23 more | 62 min |
| Aug 8, 3:34 PM CDT | Flash Flood Watch | DVN | Carroll, Jo Daviess, Stephenson, Whiteside | 5 hr |
| Aug 8, 3:50 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 28 more | 4 hr |
| Aug 8, 3:52 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Champaign, Christian, Clark and 29 more | 4 hr |
| Aug 8, 5:42 PM CDT | Flash Flood Warning | LOT | DeKalb, Kane | 6 hr |
| Aug 8, 5:44 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 22 min |
| Aug 8, 6:59 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 29 more | 61 min |
| Aug 8, 9:16 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Christian, DeWitt, Fulton and 16 more | 59 min |
| Aug 9, 2:19 AM CDT | Severe Thunderstorm Warning | LOT | Livingston | 26 min |
| Aug 9, 2:43 AM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Kankakee, Livingston | 62 min |
| Aug 9, 3:10 PM CDT | Excessive Heat Watch | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 47 hr |
| Aug 9, 5:16 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 44 min |
| Aug 10, 8:07 PM CDT | River Flood Advisory | LOT | Boone | 25 hr |
| Aug 11, 2:35 PM CDT | Excessive Heat Warning | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 5 days |
| Aug 12, 1:20 AM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, DuPage, Jo Daviess, Kane and 8 more | 25 min |
| Aug 12, 1:44 AM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 61 min |
| Aug 12, 1:58 AM CDT | Severe Thunderstorm Warning | LOT | Boone, Winnebago | 47 min |
| Aug 12, 2:36 AM CDT | Severe Thunderstorm Warning | LOT | Cook, Kane, Lake, McHenry | 24 min |
| Aug 12, 2:54 AM CDT | Severe Thunderstorm Warning | LOT | DuPage, Kane | 36 min |
| Aug 12, 3:05 AM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Grundy, Kane, Kankakee, Kendall and 2 more | 55 min |
| Aug 12, 8:30 PM CDT | Mesoscale Discussion | SPC | Adams, Hancock | 90 min |
| Aug 12, 9:23 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Pike | 4 hr |
| Aug 12, 10:50 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Pike | 55 min |
| Aug 12, 11:25 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 65 min |
| Aug 12, 11:46 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 44 min |
| Aug 12, 11:58 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey | 77 min |
| Aug 13, 12:20 AM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Madison, Monroe, Saint Clair | 70 min |
| Aug 13, 12:26 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clark, Clay, Clinton and 23 more | 64 min |
| Aug 14, 1:23 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henry, Jo Daviess and 9 more | 67 min |
| Aug 14, 2:45 AM CDT | Severe Thunderstorm Watch | SPC | Bureau, Carroll, Cass, DeKalb, DeWitt, Fulton and 27 more | 4 hr |
| Aug 14, 3:09 AM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 66 min |
| Aug 14, 3:45 AM CDT | Heat Advisory | DVN | Hancock, Henderson, McDonough, Warren | 14 hr |
| Aug 14, 4:03 AM CDT | Severe Thunderstorm Warning | LOT | Ogle | 42 min |
| Aug 14, 4:44 AM CDT | Severe Thunderstorm Warning | LOT | Ogle | 28 min |
| Aug 14, 5:00 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Lee | 35 min |
| Aug 14, 5:13 AM CDT | Severe Thunderstorm Watch | SPC | Grundy, Kane, Kankakee, Kendall, Will | 86 min |
| Aug 14, 5:43 AM CDT | Mesoscale Discussion | SPC | Brown, Bureau, Cass, DeWitt, DuPage, Ford and 28 more | 62 min |
| Aug 15, 3:47 AM CDT | Heat Advisory | ILX | Cass, Christian, Morgan, Sangamon, Schuyler, Scott | 15 hr |
| Aug 15, 7:15 AM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Lee, Ogle, Stephenson, Whiteside and 1 more | 60 min |
| Aug 15, 7:50 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Jo Daviess, Kane and 9 more | 55 min |
| Aug 15, 7:52 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, DeKalb, Grundy, Henry and 20 more | 5 hr |
| Aug 15, 12:04 PM CDT | Mesoscale Discussion | SPC | Bureau, Henderson, Henry, Knox, Marshall, Mercer and 8 more | 86 min |
| Aug 15, 12:09 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 25 min |
| Aug 15, 1:37 PM CDT | Heat Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 7 hr |
| Aug 15, 5:35 PM CDT | Severe Thunderstorm Warning | PAH | Edwards | 40 min |
| Aug 15, 5:55 PM CDT | Severe Thunderstorm Warning | PAH | Wabash | 22 min |
| Aug 15, 6:33 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 25 min |
| Aug 15, 8:15 PM CDT | Special Marine Warning | LOT | 60 min | |
| Aug 15, 9:11 PM CDT | Mesoscale Discussion | SPC | Kendall, Will | 64 min |
| Aug 16, 3:27 AM CDT | Dense Fog Advisory | DVN | Carroll, Jo Daviess, Stephenson | 5 hr |
| Aug 16, 3:59 AM CDT | Heat Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 13 hr |
| Aug 16, 7:36 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Christian, Fulton, Hancock and 11 more | 54 min |
| Aug 16, 9:06 AM CDT | Severe Thunderstorm Warning | LSX | Adams, Pike | 39 min |
| Aug 16, 9:31 AM CDT | Severe Thunderstorm Warning | LSX | Greene, Pike | 59 min |
| Aug 16, 9:37 AM CDT | Severe Thunderstorm Warning | ILX | Scott | 38 min |
| Aug 16, 9:58 AM CDT | Severe Thunderstorm Watch | SPC | Bond, Christian, Clark, Clay, Crawford, Cumberland and 13 more | 5 hr |
| Aug 16, 10:13 AM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 47 min |
| Aug 16, 10:24 AM CDT | Severe Thunderstorm Warning | LSX | Greene, Macoupin | 51 min |
| Aug 16, 10:45 AM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 45 min |
| Aug 16, 10:56 AM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 64 min |
| Aug 16, 11:23 AM CDT | Severe Thunderstorm Warning | ILX | Christian | 52 min |
| Aug 16, 12:00 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie, Shelby | 45 min |
| Aug 16, 12:49 PM CDT | Mesoscale Discussion | SPC | Crawford, Edwards, Lawrence, Richland, Wabash | 56 min |
| Aug 16, 12:54 PM CDT | Severe Thunderstorm Warning | ILX | Coles | 39 min |
| Aug 16, 1:28 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 17 min |
| Aug 16, 1:31 PM CDT | Severe Thunderstorm Warning | PAH | Edwards, Wabash | 29 min |
| Aug 16, 1:38 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 52 min |
| Aug 16, 1:59 PM CDT | Severe Thunderstorm Warning | PAH | Wabash | 31 min |
| Aug 16, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Edwards, Hamilton, Wabash, Wayne, White | 4 hr |
| Aug 16, 2:06 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence | 39 min |
| Aug 16, 3:03 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 27 min |
| Aug 16, 3:43 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 47 min |
| Aug 16, 11:26 PM CDT | Dense Fog Advisory | ILX | Cass, Champaign, Christian, Clark, Coles, Cumberland and 23 more | 10 hr |
| Aug 17, 12:26 AM CDT | Dense Fog Advisory | LOT | Ford, Iroquois, LaSalle, Livingston | 9 hr |
| Aug 17, 1:43 AM CDT | Dense Fog Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, McDonough and 5 more | 7 hr |
| Aug 17, 5:45 AM CDT | Dense Fog Advisory | LSX | Adams, Bond, Brown, Calhoun, Fayette, Greene and 6 more | 3 hr |
| Aug 18, 8:26 PM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 41 hr |
| Aug 19, 3:38 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 6 days |
| Aug 19, 6:12 AM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, Jo Daviess, Kane, Ogle and 2 more | 93 min |
| Aug 19, 11:45 AM CDT | Flash Flood Warning | LOT | LaSalle | 6 hr |
| Aug 19, 11:55 AM CDT | River Flood Warning | LOT | Winnebago | 22 hr |
| Aug 19, 11:55 AM CDT | River Flood Warning | LOT | Winnebago | 18 hr |
| Aug 19, 11:55 AM CDT | River Flood Warning | LOT | Ogle | 66 hr |
| Aug 19, 11:55 AM CDT | River Flood Warning | LOT | DeKalb | 22 hr |
| Aug 19, 11:55 AM CDT | River Flood Warning | LOT | Boone | 8 days |
| Aug 19, 11:55 AM CDT | River Flood Warning | LOT | Winnebago | 11 days |
| Aug 19, 11:55 AM CDT | River Flood Warning | LOT | Winnebago | 14 days |
| Aug 19, 12:45 PM CDT | River Flood Warning | LOT | Lake | 13 days |
| Aug 19, 12:45 PM CDT | River Flood Warning | LOT | Cook | 11 days |
| Aug 19, 12:45 PM CDT | River Flood Warning | LOT | Cook | 32 hr |
| Aug 19, 1:20 PM CDT | Mesoscale Discussion | SPC | DeKalb, Henderson, Henry, Jo Daviess, Kendall, Knox and 9 more | 3 hr |
| Aug 19, 2:57 PM CDT | River Flood Warning | DVN | Stephenson | 17 days |
| Aug 19, 2:57 PM CDT | River Flood Warning | DVN | Whiteside | 21 hr |
| Aug 19, 2:57 PM CDT | River Flood Warning | DVN | Henry, Rock Island, Whiteside | 18 days |
| Aug 19, 2:57 PM CDT | River Flood Warning | DVN | Henry, Rock Island | 16 days |
| Aug 19, 3:24 PM CDT | River Flood Warning | LOT | Winnebago | 19 hr |
| Aug 19, 3:46 PM CDT | Flash Flood Watch | ILX | Fulton, Knox, McLean, Marshall, Peoria, Stark and 2 more | 23 hr |
| Aug 19, 5:04 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Woodford | 41 min |
| Aug 19, 5:07 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 38 min |
| Aug 19, 5:46 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 59 min |
| Aug 19, 6:05 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, McLean | 38 min |
| Aug 19, 6:25 PM CDT | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Champaign, Christian and 31 more | 2 hr |
| Aug 19, 6:41 PM CDT | Severe Thunderstorm Warning | LOT | Ford | 37 min |
| Aug 19, 9:20 PM CDT | River Flood Watch | LOT | Lake | 11 hr |
| Aug 19, 9:20 PM CDT | River Flood Watch | LOT | LaSalle | 14 hr |
| Aug 20, 3:30 AM CDT | Flash Flood Warning | LOT | Cook, DeKalb, DuPage, Kane, Kendall, LaSalle and 1 more | 7 hr |
| Aug 20, 8:27 AM CDT | River Flood Warning | LOT | Lake | 13 days |
| Aug 20, 11:22 AM CDT | River Flood Advisory | LOT | Kane, McHenry | 26 hr |
| Aug 20, 11:22 AM CDT | River Flood Advisory | LOT | LaSalle | 56 hr |
| Aug 20, 2:51 PM CDT | River Flood Warning | LOT | Kane, McHenry | 6 hr |
| Aug 20, 8:43 PM CDT | River Flood Advisory | LOT | Cook | 53 hr |
| Aug 21, 9:19 AM CDT | River Flood Warning | LOT | Kane, McHenry | 10 days |
| Aug 21, 10:50 AM CDT | River Flood Warning | LOT | Winnebago | 12 days |
| Aug 21, 10:50 AM CDT | River Flood Warning | LOT | Winnebago | 10 hr |
| Aug 21, 10:53 AM CDT | River Flood Warning | LOT | Bureau, LaSalle | 13 days |
| Aug 21, 2:27 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Crawford, Edwards, Hamilton, Jasper and 5 more | 3 hr |
| Aug 21, 3:46 PM CDT | Excessive Heat Warning | LSX | Madison, Saint Clair | 51 hr |
| Aug 21, 10:49 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Stephenson, Whiteside | 86 min |
| Aug 22, 2:13 AM CDT | Mesoscale Discussion | SPC | Boone, Jo Daviess, Lake, McHenry, Stephenson, Winnebago | 62 min |
| Aug 22, 2:30 AM CDT | Severe Thunderstorm Warning | DVN | Carroll | 16 min |
| Aug 22, 2:48 AM CDT | Red Flag Warning | PAH | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 16 hr |
| Aug 22, 3:37 AM CDT | Special Marine Warning | LOT | 83 min | |
| Aug 22, 3:50 AM CDT | Severe Thunderstorm Warning | LOT | Lake | 40 min |
| Aug 22, 4:51 AM CDT | Special Marine Warning | LOT | 84 min | |
| Aug 22, 4:53 AM CDT | Mesoscale Discussion | SPC | Kankakee, Will | 67 min |
| Aug 22, 6:12 AM CDT | River Flood Advisory | LOT | Ogle | 24 hr |
| Aug 22, 9:06 AM CDT | River Flood Warning | LOT | Ogle | 8 days |
| Aug 22, 3:17 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Ford and 28 more | 2 hr |
| Aug 22, 3:43 PM CDT | Flash Flood Watch | LOT | Boone, Lake, McHenry, Ogle, Winnebago | 15 hr |
| Aug 22, 4:23 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 52 min |
| Aug 22, 4:30 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 60 min |
| Aug 22, 5:34 PM CDT | Special Marine Warning | LOT | 102 min | |
| Aug 22, 7:21 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Ford and 25 more | 2 hr |
| Aug 22, 7:26 PM CDT | Fire Weather Watch | PAH | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 12 hr |
| Aug 22, 8:36 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 54 min |
| Aug 22, 8:37 PM CDT | Severe Thunderstorm Warning | LOT | Ogle | 26 min |
| Aug 22, 8:47 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, LaSalle | 73 min |
| Aug 22, 9:10 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 35 min |
| Aug 22, 9:22 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall | 38 min |
| Aug 22, 9:27 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 48 min |
| Aug 22, 9:29 PM CDT | River Flood Warning | LOT | Winnebago | 9 days |
| Aug 22, 9:29 PM CDT | River Flood Warning | LOT | Winnebago | 25 hr |
| Aug 22, 9:42 PM CDT | Severe Thunderstorm Warning | LOT | Will | 93 min |
| Aug 22, 9:50 PM CDT | Flash Flood Warning | LOT | Grundy, Kendall, LaSalle | 4 hr |
| Aug 22, 10:02 PM CDT | Special Marine Warning | LOT | 118 min | |
| Aug 22, 10:06 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 66 min |
| Aug 22, 10:10 PM CDT | River Flood Advisory | LOT | LaSalle | 24 hr |
| Aug 22, 10:25 PM CDT | River Flood Warning | DVN | Whiteside | 7 days |
| Aug 22, 10:42 PM CDT | Flash Flood Warning | LOT | Cook, Will | 4 hr |
| Aug 23, 3:22 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane | 23 min |
| Aug 23, 3:46 AM CDT | Flash Flood Watch | DVN | Rock Island, Whiteside | 42 hr |
| Aug 23, 4:15 AM CDT | Special Marine Warning | LOT | 45 min | |
| Aug 23, 6:18 AM CDT | River Flood Advisory | DVN | Jo Daviess | 3 days |
| Aug 23, 7:32 AM CDT | Red Flag Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 12 hr |
| Aug 23, 10:36 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 33 more | 114 min |
| Aug 23, 10:58 AM CDT | River Flood Warning | LOT | Cook | 4 days |
| Aug 23, 12:28 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 35 more | 7 hr |
| Aug 23, 12:38 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Warren | 52 min |
| Aug 23, 12:42 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island, Whiteside | 63 min |
| Aug 23, 12:57 PM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 40 hr |
| Aug 23, 12:58 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Peoria, Stark | 47 min |
| Aug 23, 1:09 PM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle | 96 min |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Rock Island | 46 hr |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Mercer, Rock Island | 46 hr |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Mercer, Rock Island | 46 hr |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Henderson, Mercer | 7 days |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Henderson, Mercer | 7 days |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Henderson | 8 days |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Hancock, Henderson | 8 days |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Hancock | 70 hr |
| Aug 23, 1:17 PM CDT | River Flood Warning | DVN | Hancock | 7 days |
| Aug 23, 1:34 PM CDT | Fire Weather Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 18 hr |
| Aug 23, 1:37 PM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 53 min |
| Aug 23, 1:41 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Marshall, Peoria, Stark, Woodford | 49 min |
| Aug 23, 1:45 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 77 min |
| Aug 23, 1:47 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb | 58 min |
| Aug 23, 1:52 PM CDT | Tornado Warning | ILX | Stark | 9 min |
| Aug 23, 2:00 PM CDT | River Flood Warning | LSX | Adams | 8 days |
| Aug 23, 2:00 PM CDT | River Flood Warning | LSX | Adams | 8 days |
| Aug 23, 2:00 PM CDT | River Flood Warning | LSX | Adams | 6 days |
| Aug 23, 2:00 PM CDT | River Flood Warning | LSX | Pike | 10 days |
| Aug 23, 2:00 PM CDT | River Flood Warning | LSX | Pike | 9 days |
| Aug 23, 2:00 PM CDT | River Flood Warning | LSX | Pike | 10 days |
| Aug 23, 2:00 PM CDT | River Flood Warning | LSX | Calhoun | 10 days |
| Aug 23, 2:06 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 75 min |
| Aug 23, 2:18 PM CDT | Special Marine Warning | LOT | 117 min | |
| Aug 23, 2:26 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Woodford | 35 min |
| Aug 23, 2:27 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall | 57 min |
| Aug 23, 2:29 PM CDT | Tornado Warning | LOT | DeKalb, Kane | 46 min |
| Aug 23, 2:31 PM CDT | Flash Flood Warning | LOT | Lee, Ogle | 3 hr |
| Aug 23, 2:40 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 95 min |
| Aug 23, 2:41 PM CDT | Severe Thunderstorm Warning | LOT | DuPage | 64 min |
| Aug 23, 2:57 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 78 min |
| Aug 23, 3:10 PM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Ford, Grundy, Iroquois, Kane and 7 more | 95 min |
| Aug 23, 3:13 PM CDT | Tornado Warning | LOT | Cook, DuPage | 39 min |
| Aug 23, 3:21 PM CDT | Flash Flood Watch | ILX | Fulton, Knox, McLean, Marshall, Peoria, Stark and 2 more | 37 hr |
| Aug 23, 3:23 PM CDT | Tornado Warning | LOT | Cook, Will | 29 min |
| Aug 23, 3:33 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 22 min |
| Aug 23, 4:48 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 42 min |
| Aug 23, 4:53 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 67 min |
| Aug 23, 5:04 PM CDT | Flash Flood Warning | LOT | Cook, DeKalb, DuPage, Kane | 4 hr |
| Aug 23, 5:05 PM CDT | Severe Thunderstorm Warning | LOT | Lee | 39 min |
| Aug 23, 5:06 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 54 min |
| Aug 23, 5:12 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 30 min |
| Aug 23, 5:24 PM CDT | Special Marine Warning | LOT | 2 hr | |
| Aug 23, 5:26 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 49 min |
| Aug 23, 5:34 PM CDT | Severe Thunderstorm Warning | LOT | DuPage, Kane | 54 min |
| Aug 23, 5:37 PM CDT | River Flood Warning | LOT | DeKalb | 3 days |
| Aug 23, 5:38 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 25 more | 97 min |
| Aug 23, 5:47 PM CDT | Severe Thunderstorm Warning | LOT | Kendall, LaSalle | 58 min |
| Aug 23, 6:21 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 39 min |
| Aug 23, 6:21 PM CDT | Severe Thunderstorm Warning | LOT | Will | 54 min |
| Aug 23, 6:26 PM CDT | Flash Flood Warning | LOT | Grundy, Kendall, LaSalle, Will | 4 hr |
| Aug 23, 6:34 PM CDT | Special Marine Warning | LOT | 108 min | |
| Aug 23, 6:40 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Stark | 50 min |
| Aug 23, 6:44 PM CDT | Flash Flood Warning | LOT | Cook | 4 hr |
| Aug 23, 6:44 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 61 min |
| Aug 23, 6:50 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kankakee, Will | 70 min |
| Aug 23, 7:04 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 41 min |
| Aug 23, 7:08 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle, Livingston | 82 min |
| Aug 23, 7:10 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Cook, Ford, Fulton, Grundy, Hancock and 20 more | 5 hr |
| Aug 23, 7:18 PM CDT | Flash Flood Warning | LOT | Kankakee | 4 hr |
| Aug 23, 7:33 PM CDT | Tornado Warning | LOT | Kankakee | 57 min |
| Aug 23, 7:42 PM CDT | Severe Thunderstorm Warning | LOT | Grundy | 30 min |
| Aug 23, 7:45 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 45 min |
| Aug 23, 8:16 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee, Will | 65 min |
| Aug 23, 8:20 PM CDT | Severe Thunderstorm Warning | DVN | Henderson | 55 min |
| Aug 23, 8:24 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois | 58 min |
| Aug 23, 8:28 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 62 min |
| Aug 23, 9:14 PM CDT | River Flood Warning | LOT | LaSalle | 5 days |
| Aug 23, 9:20 PM CDT | Flash Flood Warning | LOT | Cook, DeKalb, DuPage, Grundy, Kane, Kankakee and 6 more | 7 hr |
| Aug 23, 10:45 PM CDT | River Flood Advisory | LOT | Grundy | 62 hr |
| Aug 23, 10:52 PM CDT | River Flood Advisory | DVN | Rock Island, Whiteside | 24 hr |
| Aug 23, 10:52 PM CDT | River Flood Advisory | DVN | Rock Island | 24 hr |
| Aug 23, 11:07 PM CDT | Mesoscale Discussion | SPC | Bureau, Grundy, Henderson, Henry, Kankakee, Kendall and 11 more | 53 min |
| Aug 24, 12:53 AM CDT | Flash Flood Warning | DVN | Henderson | 6 hr |
| Aug 24, 1:58 AM CDT | Flash Flood Warning | ILX | Knox | 6 hr |
| Aug 24, 2:16 AM CDT | Severe Thunderstorm Warning | ILX | Knox | 44 min |
| Aug 24, 2:22 AM CDT | Severe Thunderstorm Warning | ILX | Fulton | 23 min |
| Aug 24, 2:29 AM CDT | River Flood Warning | LOT | Cook | 42 hr |
| Aug 24, 2:46 AM CDT | River Flood Advisory | LOT | Cook | 28 hr |
| Aug 24, 2:59 AM CDT | Flash Flood Warning | ILX | Marshall, Stark | 6 hr |
| Aug 24, 3:58 AM CDT | River Flood Warning | LOT | Kankakee | 4 days |
| Aug 24, 5:34 AM CDT | River Flood Warning | DVN | Henry, Rock Island | 30 hr |
| Aug 24, 7:25 AM CDT | Red Flag Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 13 hr |
| Aug 24, 10:49 AM CDT | River Flood Warning | LOT | Grundy | 65 hr |
| Aug 24, 10:49 AM CDT | River Flood Warning | LOT | LaSalle | 10 hr |
| Aug 24, 11:12 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clay, Clinton, Coles and 24 more | 93 min |
| Aug 24, 12:19 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Cass, Champaign, Christian, Clark and 37 more | 8 hr |
| Aug 24, 2:15 PM CDT | River Flood Warning | LSX | Calhoun | 8 days |
| Aug 24, 2:15 PM CDT | River Flood Warning | LSX | Jersey | 32 hr |
| Aug 24, 2:43 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 47 min |
| Aug 24, 2:44 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 34 more | 91 min |
| Aug 24, 2:51 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 39 min |
| Aug 24, 2:57 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 33 min |
| Aug 24, 3:00 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Saint Clair | 30 min |
| Aug 24, 3:04 PM CDT | Severe Thunderstorm Watch | SPC | Ford, Iroquois | 7 hr |
| Aug 24, 3:24 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Madison, Montgomery | 32 min |
| Aug 24, 3:24 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 39 min |
| Aug 24, 3:26 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton, Fayette, Marion | 49 min |
| Aug 24, 3:43 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 28 min |
| Aug 24, 3:54 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton, Madison | 51 min |
| Aug 24, 4:05 PM CDT | Severe Thunderstorm Warning | LSX | Fayette, Marion | 40 min |
| Aug 24, 4:24 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 33 min |
| Aug 24, 4:31 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham | 59 min |
| Aug 24, 5:02 PM CDT | Severe Thunderstorm Warning | ILX | Cumberland, Jasper | 58 min |
| Aug 24, 5:31 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Crawford | 59 min |
| Aug 24, 5:50 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 39 more | 85 min |
| Aug 24, 5:54 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Edgar | 51 min |
| Aug 24, 8:12 PM CDT | River Flood Warning | ILX | Marshall, Putnam | 9 days |
| Aug 25, 10:36 AM CDT | River Flood Advisory | LOT | Cook | 20 hr |
| Aug 25, 11:22 AM CDT | River Flood Warning | ILX | Peoria, Tazewell, Woodford | 11 days |
| Aug 25, 11:27 AM CDT | River Flood Advisory | DVN | Rock Island | 4 days |
| Aug 25, 11:27 AM CDT | River Flood Advisory | DVN | Mercer, Rock Island | 3 days |
| Aug 25, 11:27 AM CDT | River Flood Advisory | DVN | Mercer, Rock Island | 4 days |
| Aug 25, 11:46 AM CDT | River Flood Advisory | DVN | Henry, Rock Island | 17 hr |
| Aug 26, 7:45 AM CDT | River Flood Warning | ILX | Fulton, Mason | 16 days |
| Aug 26, 11:25 AM CDT | River Flood Advisory | DVN | Hancock | 4 days |
| Aug 26, 11:47 AM CDT | River Flood Warning | LSX | Pike, Scott | 12 days |
| Aug 27, 12:55 PM CDT | Special Marine Warning | LOT | 116 min | |
| Aug 27, 1:19 PM CDT | River Flood Warning | LSX | Jersey | 6 days |
| Aug 30, 9:38 AM CDT | River Flood Warning | ILX | Brown, Cass, Morgan, Schuyler | 10 days |
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 | 122 |
| Tornado Warning | 10 |
| Severe Thunderstorm Watch | 13 |
| Mesoscale Discussion | 38 |
| Flooding | |
| Flash Flood Warning | 20 |
| River Flood Warning | 63 |
| Flash Flood Watch | 13 |
| River Flood Watch | 2 |
| River Flood Advisory | 25 |
| Heat | |
| Excessive Heat Warning | 3 |
| Excessive Heat Watch | 3 |
| Heat Advisory | 8 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
| Marine | |
| Special Marine Warning | 12 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kane County40
- Rock Island County38
- LaSalle County35
- Winnebago County33
- Cook County33
- DeKalb County32
- Kendall County31
- Ogle County30
- Whiteside County30
- Grundy County28
- Henry County28
- Will County27
- Kankakee County27
- Henderson County26
- Hancock County25
- Marshall County25
- Stark County25
- DuPage County24
- Livingston County24
- Boone County24
- Lee County24
- Tazewell County23
- Bureau County23
- Stephenson County23
- Knox County23
- Mercer County23
- McLean County22
- Ford County22
- Iroquois County22
- Woodford County22
- Jo Daviess County22
- Putnam County22
- Pike County21
- Fulton County21
- McDonough County21
- Peoria County21
- Lake County21
- McHenry County21
- Adams County20
- Carroll County20
62 more counties
- Macoupin County19
- Madison County18
- Greene County18
- Warren County18
- Saint Clair County17
- Fayette County17
- Montgomery County17
- DeWitt County17
- Mason County17
- Christian County17
- Calhoun County16
- Cass County16
- Clark County16
- Logan County16
- Moultrie County16
- Sangamon County16
- Schuyler County16
- Morgan County16
- Scott County16
- Jersey County15
- Brown County15
- Macon County15
- Menard County15
- Bond County14
- Coles County14
- Edgar County14
- Piatt County14
- Wayne County14
- Cumberland County14
- Shelby County14
- Champaign County13
- Douglas County13
- Wabash County13
- Crawford County13
- Clinton County12
- Marion County12
- Vermilion County12
- Edwards County12
- Jasper County12
- Effingham County11
- Pope County10
- Pulaski County10
- Union County10
- Alexander County10
- Jackson County10
- Jefferson County10
- Hardin County9
- Johnson County9
- Monroe County9
- Randolph County9
- Washington County9
- Hamilton County9
- White County9
- Clay County9
- Lawrence County9
- Richland County9
- Saline County8
- Franklin County8
- Massac County8
- Perry County8
- Gallatin County7
- Williamson County7
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.