Alert archive / Illinois / 2004
Weather alerts in Illinois, August 2004
205 weather alerts in August 2004, 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 2004. Tap one for its archive.
- Alerts
- 205
- Warnings
- 150
- Watches
- 15
- Advisories
- 0
- Busiest day
- August 4, 200428 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, 11:11 AM CDT | Mesoscale Discussion | SPC | Champaign, Coles, Cook, DeWitt, Douglas, DuPage and 15 more | 2 hr |
| Aug 2, 1:21 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 39 min |
| Aug 2, 3:42 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 48 min |
| Aug 3, 8:40 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Greene, Jersey, Monroe and 2 more | 5 hr |
| Aug 3, 11:22 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Jersey, Monroe, Pike and 1 more | 83 min |
| Aug 3, 3:55 PM CDT | Mesoscale Discussion | SPC | Adams, Carroll, Fulton, Hancock, Henderson, Henry and 7 more | 95 min |
| Aug 3, 4:25 PM CDT | Tornado Watch | SPC | Bureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 7 more | 6 hr |
| Aug 3, 5:39 PM CDT | Mesoscale Discussion | SPC | Carroll, Henderson, Henry, Jo Daviess, Knox, Mercer and 3 more | 66 min |
| Aug 3, 6:34 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 7 more | 86 min |
| Aug 3, 7:38 PM CDT | Mesoscale Discussion | SPC | Bureau, Cook, DeKalb, DuPage, Ford, Grundy and 14 more | 67 min |
| Aug 3, 7:55 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Ford and 21 more | 5 hr |
| Aug 3, 8:05 PM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle, Winnebago | 85 min |
| Aug 3, 8:19 PM CDT | Mesoscale Discussion | SPC | Carroll, Henry, Jo Daviess, Knox, Mercer, Rock Island and 2 more | 56 min |
| Aug 3, 8:26 PM CDT | Severe Thunderstorm Warning | DVN | Stephenson | 34 min |
| Aug 3, 8:31 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 29 min |
| Aug 3, 9:10 PM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb | 65 min |
| Aug 3, 9:16 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 89 min |
| Aug 3, 9:21 PM CDT | Special Marine Warning | LOT | 3 hr | |
| Aug 3, 9:21 PM CDT | Special Marine Warning | LOT | 3 hr | |
| Aug 3, 9:21 PM CDT | Special Marine Warning | LOT | 3 hr | |
| Aug 3, 9:40 PM CDT | Severe Thunderstorm Warning | LOT | Kane, Kendall | 65 min |
| Aug 3, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Fulton, Hancock, Henderson, Henry, Knox, McDonough and 3 more | 5 hr |
| Aug 3, 9:52 PM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Grundy, Kane, Kendall, Lake and 3 more | 53 min |
| Aug 3, 9:53 PM CDT | Severe Thunderstorm Warning | LOT | Grundy | 52 min |
| Aug 3, 9:58 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Will | 92 min |
| Aug 3, 10:35 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 55 min |
| Aug 3, 10:38 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Greene, Jersey and 3 more | 67 min |
| Aug 3, 11:16 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Livingston | 44 min |
| Aug 3, 11:30 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 32 more | 6 hr |
| Aug 3, 11:36 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois, Kankakee | 54 min |
| Aug 3, 11:50 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 40 min |
| Aug 4, 12:24 AM CDT | Severe Thunderstorm Warning | ILX | Marshall | 66 min |
| Aug 4, 1:14 AM CDT | Severe Thunderstorm Warning | LOT | Livingston | 31 min |
| Aug 4, 1:42 AM CDT | Mesoscale Discussion | SPC | Fulton, Henderson, Jersey, Livingston, McDonough, Mason and 5 more | 2 hr |
| Aug 4, 1:45 AM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 30 min |
| Aug 4, 3:52 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 32 more | 53 min |
| Aug 4, 3:39 PM CDT | Mesoscale Discussion | SPC | Hardin, Massac, Pope | 96 min |
| Aug 9, 1:29 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Pike, Schuyler, Scott | 91 min |
| Aug 9, 5:58 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 62 min |
| Aug 9, 6:24 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Menard | 66 min |
| Aug 9, 7:03 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt | 57 min |
| Aug 9, 7:15 PM CDT | Severe Thunderstorm Warning | ILX | Macon, Piatt | 60 min |
| Aug 13, 9:48 AM CDT | Special Marine Warning | LOT | 87 min | |
| Aug 13, 9:48 AM CDT | Special Marine Warning | LOT | 87 min | |
| Aug 17, 12:57 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Calhoun, Carroll, Cass and 38 more | 63 min |
| Aug 17, 1:20 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Bureau, Calhoun, Cass, Champaign and 41 more | 6 hr |
| Aug 17, 3:19 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 41 min |
| Aug 17, 3:59 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Calhoun, Cass, Champaign and 41 more | 61 min |
| Aug 17, 4:34 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 56 min |
| Aug 17, 5:12 PM CDT | Severe Thunderstorm Warning | LOT | Will | 48 min |
| Aug 17, 5:22 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 68 min |
| Aug 17, 5:45 PM CDT | Special Marine Warning | LOT | 60 min | |
| Aug 17, 5:45 PM CDT | Special Marine Warning | LOT | 60 min | |
| Aug 17, 5:45 PM CDT | Special Marine Warning | LOT | 60 min | |
| Aug 17, 5:54 PM CDT | Tornado Warning | ILX | Knox, Stark | 66 min |
| Aug 17, 5:57 PM CDT | Mesoscale Discussion | SPC | Calhoun, Cass, Champaign, Christian, DeWitt, Douglas and 19 more | 93 min |
| Aug 17, 6:09 PM CDT | Severe Thunderstorm Warning | LOT | Grundy | 66 min |
| Aug 17, 6:23 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 67 min |
| Aug 17, 6:45 PM CDT | Special Marine Warning | LOT | 45 min | |
| Aug 17, 6:45 PM CDT | Special Marine Warning | LOT | 45 min | |
| Aug 17, 6:51 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Peoria, Woodford | 54 min |
| Aug 17, 6:59 PM CDT | Severe Thunderstorm Warning | ILX | Stark | 61 min |
| Aug 17, 7:31 PM CDT | Severe Thunderstorm Warning | LOT | Livingston | 44 min |
| Aug 17, 7:48 PM CDT | Mesoscale Discussion | SPC | Ford, Grundy, Iroquois, Kankakee, Livingston, Will | 117 min |
| Aug 17, 7:53 PM CDT | Tornado Warning | LOT | Livingston | 22 min |
| Aug 17, 8:05 PM CDT | Tornado Warning | LOT | Ford | 25 min |
| Aug 17, 8:07 PM CDT | Severe Thunderstorm Warning | ILX | Menard | 53 min |
| Aug 17, 9:05 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois | 70 min |
| Aug 17, 9:16 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 59 min |
| Aug 17, 9:21 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 54 min |
| Aug 17, 9:51 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Woodford | 54 min |
| Aug 18, 1:39 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, Christian, Clark and 28 more | 96 min |
| Aug 18, 4:17 PM CDT | Mesoscale Discussion | SPC | Hancock, Henderson, Mercer, Rock Island, Warren | 118 min |
| Aug 18, 4:55 PM CDT | Severe Thunderstorm Warning | ILX | Moultrie | 35 min |
| Aug 18, 5:12 PM CDT | Tornado Warning | ILX | Moultrie | 33 min |
| Aug 18, 5:17 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Cass, Champaign, Christian and 48 more | 88 min |
| Aug 18, 5:19 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Douglas | 56 min |
| Aug 18, 5:35 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Champaign, Christian, Clark and 28 more | 5 hr |
| Aug 18, 5:47 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Edgar | 58 min |
| Aug 18, 6:03 PM CDT | Severe Thunderstorm Warning | DVN | Warren | 57 min |
| Aug 18, 6:05 PM CDT | Tornado Warning | DVN | Henderson | 40 min |
| Aug 18, 6:14 PM CDT | Severe Thunderstorm Warning | ILX | Coles | 61 min |
| Aug 18, 6:22 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 53 min |
| Aug 18, 6:44 PM CDT | Tornado Warning | DVN | Henderson, Warren | 61 min |
| Aug 18, 7:12 PM CDT | Tornado Warning | ILX | Fulton | 63 min |
| Aug 18, 7:26 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, Christian, Clark and 36 more | 2 hr |
| Aug 18, 7:28 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 62 min |
| Aug 18, 7:44 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Warren | 76 min |
| Aug 18, 8:03 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell | 57 min |
| Aug 18, 8:16 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 59 min |
| Aug 18, 8:55 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell | 65 min |
| Aug 18, 8:58 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell | 62 min |
| Aug 18, 9:40 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, Christian, DeWitt and 18 more | 95 min |
| Aug 19, 5:26 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 49 min |
| Aug 19, 5:50 PM CDT | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 14 more | 85 min |
| Aug 19, 5:51 PM CDT | Severe Thunderstorm Warning | LSX | Clinton | 24 min |
| Aug 19, 7:32 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 43 min |
| Aug 23, 2:38 PM CDT | Flash Flood Warning | PAH | Alexander | 3 hr |
| Aug 24, 12:35 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall | 40 min |
| Aug 24, 1:13 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 40 more | 2 hr |
| Aug 24, 1:20 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Clinton, Fayette, Franklin, Jackson, Jefferson and 9 more | 6 hr |
| Aug 24, 1:58 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 47 min |
| Aug 24, 2:27 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 48 min |
| Aug 24, 2:31 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 59 min |
| Aug 24, 2:35 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 40 min |
| Aug 24, 2:44 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 61 min |
| Aug 24, 4:18 PM CDT | Flash Flood Warning | ILX | Vermilion | 6 hr |
| Aug 24, 5:23 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane | 37 min |
| Aug 24, 5:24 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Kane | 36 min |
| Aug 24, 5:38 PM CDT | Tornado Warning | LOT | DeKalb, Kane | 37 min |
| Aug 24, 6:24 PM CDT | Tornado Warning | LOT | Kane, McHenry | 36 min |
| Aug 24, 7:13 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 47 min |
| Aug 25, 9:24 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, DeWitt, Fulton and 22 more | 2 hr |
| Aug 25, 10:56 AM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason | 64 min |
| Aug 25, 11:59 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Greene, Hancock, Pike and 2 more | 91 min |
| Aug 25, 12:35 PM CDT | Tornado Watch | SPC | Adams, Brown, Hancock, Henderson, Mercer, Pike | 6 hr |
| Aug 25, 12:37 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 38 min |
| Aug 25, 1:02 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 58 min |
| Aug 25, 1:22 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cass, Champaign, DeKalb and 42 more | 113 min |
| Aug 25, 1:52 PM CDT | Flash Flood Warning | LSX | Adams, Brown, Pike | 4 hr |
| Aug 25, 2:01 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard, Morgan, Sangamon | 59 min |
| Aug 25, 2:20 PM CDT | Tornado Watch | SPC | Bond, Brown, Calhoun, Cass, Champaign, Christian and 34 more | 6 hr |
| Aug 25, 2:49 PM CDT | Flash Flood Warning | ILX | Schuyler | 6 hr |
| Aug 25, 3:07 PM CDT | Flash Flood Warning | ILX | Cass, Morgan, Scott | 6 hr |
| Aug 25, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | Monroe, Saint Clair | 6 hr |
| Aug 25, 3:42 PM CDT | Flash Flood Warning | ILX | Mason | 6 hr |
| Aug 25, 4:07 PM CDT | Severe Thunderstorm Warning | ILX | Mason | 38 min |
| Aug 25, 4:30 PM CDT | Flash Flood Warning | ILX | Menard | 6 hr |
| Aug 25, 5:14 PM CDT | Mesoscale Discussion | SPC | Bond, Brown, Calhoun, Cass, Champaign, Christian and 34 more | 91 min |
| Aug 25, 5:23 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 22 min |
| Aug 25, 5:27 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 33 min |
| Aug 25, 5:31 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 44 min |
| Aug 25, 5:37 PM CDT | Flash Flood Warning | ILX | Logan, Sangamon | 6 hr |
| Aug 25, 5:51 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Macoupin, Madison, Saint Clair | 39 min |
| Aug 25, 5:52 PM CDT | Flash Flood Warning | ILX | DeWitt, McLean, Macon | 6 hr |
| Aug 25, 5:55 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 65 min |
| Aug 25, 6:40 PM CDT | Flash Flood Warning | ILX | Christian | 6 hr |
| Aug 25, 6:45 PM CDT | Flash Flood Warning | ILX | Tazewell | 6 hr |
| Aug 25, 7:10 PM CDT | Flash Flood Warning | ILX | Piatt | 6 hr |
| Aug 25, 7:34 PM CDT | Flash Flood Warning | ILX | Champaign | 5 hr |
| Aug 25, 7:47 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Cass, Champaign, Christian and 48 more | 58 min |
| Aug 25, 9:57 PM CDT | Mesoscale Discussion | SPC | Adams, Hancock | 93 min |
| Aug 26, 2:13 AM CDT | Flash Flood Warning | PAH | Jefferson | 2 hr |
| Aug 26, 3:42 AM CDT | Flash Flood Warning | LSX | Fayette, Marion | 4 hr |
| Aug 26, 3:44 AM CDT | Flash Flood Warning | PAH | Edwards, Wabash | 91 min |
| Aug 26, 4:01 AM CDT | Flash Flood Warning | ILX | Clay, Effingham | 4 hr |
| Aug 26, 4:25 AM CDT | Flash Flood Warning | PAH | Edwards, Jefferson, Wabash, Wayne | 16 hr |
| Aug 26, 5:09 AM CDT | Flash Flood Warning | PAH | White | 3 hr |
| Aug 26, 5:58 AM CDT | Flash Flood Warning | PAH | Hamilton | 2 hr |
| Aug 26, 7:56 AM CDT | Flash Flood Warning | ILX | Effingham, Jasper | 3 hr |
| Aug 26, 3:50 PM CDT | Mesoscale Discussion | SPC | Calhoun, Monroe | 115 min |
| Aug 26, 4:27 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 48 min |
| Aug 26, 5:18 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 27 min |
| Aug 26, 5:42 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 63 min |
| Aug 26, 6:54 PM CDT | Tornado Warning | ILX | Fulton | 51 min |
| Aug 26, 9:13 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Rock Island, Stephenson | 62 min |
| Aug 26, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more | 6 hr |
| Aug 26, 11:22 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 53 min |
| Aug 26, 11:53 PM CDT | Mesoscale Discussion | SPC | Bureau, Cook, DeKalb, DuPage, Grundy, Kane and 8 more | 97 min |
| Aug 27, 12:59 AM CDT | Severe Thunderstorm Warning | LOT | Ogle, Winnebago | 46 min |
| Aug 27, 1:16 AM CDT | Special Marine Warning | LOT | 119 min | |
| Aug 27, 1:16 AM CDT | Special Marine Warning | LOT | 119 min | |
| Aug 27, 1:16 AM CDT | Special Marine Warning | LOT | 119 min | |
| Aug 27, 1:25 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Cook, DeKalb, DeWitt, DuPage and 25 more | 6 hr |
| Aug 27, 1:33 AM CDT | Severe Thunderstorm Warning | LOT | Boone, DeKalb | 42 min |
| Aug 27, 1:35 AM CDT | Severe Thunderstorm Warning | DVN | Hancock | 45 min |
| Aug 27, 1:49 AM CDT | Mesoscale Discussion | SPC | Henderson, Henry, Mercer, Ogle, Rock Island, Whiteside and 1 more | 56 min |
| Aug 27, 1:56 AM CDT | Severe Thunderstorm Warning | ILX | Knox | 64 min |
| Aug 27, 1:56 AM CDT | Severe Thunderstorm Warning | LOT | Kane, McHenry | 49 min |
| Aug 27, 2:19 AM CDT | Severe Thunderstorm Warning | ILX | Fulton, Schuyler | 56 min |
| Aug 27, 2:30 AM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kendall, Lake, LaSalle, Will | 45 min |
| Aug 27, 3:08 AM CDT | Special Marine Warning | LOT | 52 min | |
| Aug 27, 3:08 AM CDT | Special Marine Warning | LOT | 52 min | |
| Aug 27, 4:36 AM CDT | Mesoscale Discussion | SPC | Cook, DeWitt, Ford, Fulton, Grundy, Hancock and 11 more | 84 min |
| Aug 27, 6:33 AM CDT | Mesoscale Discussion | SPC | Champaign, DeWitt, Ford, Iroquois, McLean, Mason and 4 more | 27 min |
| Aug 27, 8:46 AM CDT | Flash Flood Warning | LSX | Adams, Brown, Pike | 4 hr |
| Aug 27, 9:24 AM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Macoupin, Madison, Morgan and 2 more | 96 min |
| Aug 27, 9:40 AM CDT | Severe Thunderstorm Watch | SPC | Brown, Calhoun, Cass, Greene, Jersey, Macoupin and 7 more | 5 hr |
| Aug 27, 1:07 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Greene, Jersey and 6 more | 113 min |
| Aug 27, 2:45 PM CDT | Severe Thunderstorm Watch | SPC | Calhoun, Cass, Greene, Jersey, Morgan, Pike and 1 more | 6 hr |
| Aug 27, 3:49 PM CDT | Mesoscale Discussion | SPC | Calhoun, Cass, Greene, Jersey, Morgan, Pike and 1 more | 86 min |
| Aug 27, 4:10 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Fulton, Hancock, Henderson and 14 more | 2 hr |
| Aug 27, 9:04 PM CDT | Flash Flood Warning | LSX | Adams, Brown | 6 hr |
| Aug 27, 9:06 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 54 min |
| Aug 27, 9:43 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 62 min |
| Aug 27, 10:15 PM CDT | Flash Flood Warning | ILX | Vermilion | 6 hr |
| Aug 28, 12:42 AM CDT | Flash Flood Warning | DVN | Hancock | 8 hr |
| Aug 28, 1:40 AM CDT | Severe Thunderstorm Warning | LOT | Grundy, Livingston | 50 min |
| Aug 28, 2:07 AM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 38 min |
| Aug 28, 2:31 AM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, Will | 44 min |
| Aug 28, 2:38 AM CDT | Flash Flood Warning | LOT | Cook, Grundy, Kendall, Will | 3 hr |
| Aug 28, 2:50 AM CDT | Special Marine Warning | LOT | 115 min | |
| Aug 28, 2:50 AM CDT | Special Marine Warning | LOT | 115 min | |
| Aug 28, 2:50 AM CDT | Special Marine Warning | LOT | 115 min | |
| Aug 28, 2:50 AM CDT | Special Marine Warning | LOT | 115 min | |
| Aug 28, 3:17 AM CDT | Flash Flood Warning | LOT | DuPage | 3 hr |
| Aug 28, 2:03 PM CDT | Severe Thunderstorm Warning | PAH | White | 27 min |
| Aug 28, 2:35 PM CDT | Flash Flood Warning | PAH | White | 3 hr |
| Aug 28, 3:04 PM CDT | Flash Flood Warning | PAH | Perry | 116 min |
| Aug 28, 3:14 PM CDT | Flash Flood Warning | PAH | Franklin, Hamilton, Jefferson, Wayne | 3 hr |
| Aug 28, 3:39 PM CDT | Flash Flood Warning | PAH | Jackson | 3 hr |
| Aug 28, 5:21 PM CDT | Flash Flood Warning | ILX | Clay, Lawrence, Richland | 6 hr |
| Aug 28, 5:37 PM CDT | Flash Flood Warning | ILX | Crawford, Jasper | 6 hr |
| Aug 28, 6:30 PM CDT | Flash Flood Warning | ILX | Vermilion | 6 hr |
| Aug 28, 9:55 PM CDT | Flash Flood Warning | LOT | Iroquois | 4 hr |
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 | 86 |
| Tornado Warning | 10 |
| Severe Thunderstorm Watch | 12 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 40 |
| Flooding | |
| Flash Flood Warning | 35 |
| Marine | |
| Special Marine Warning | 19 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Fulton County26
- Morgan County26
- Brown County25
- DeWitt County24
- Adams County24
- Peoria County23
- Tazewell County23
- Cass County23
- Scott County23
- Mason County23
- Sangamon County23
- Calhoun County22
- Pike County22
- Henderson County22
- Schuyler County22
- Livingston County21
- Greene County21
- Hancock County21
- Menard County21
- Ford County20
- McLean County20
- Jersey County20
- Knox County20
- McDonough County20
- Grundy County19
- Iroquois County19
- Piatt County19
- Vermilion County19
- Mercer County19
- Warren County19
- Woodford County19
- Macon County19
- Champaign County18
- Will County18
- Logan County18
- Kane County17
- Kendall County16
- LaSalle County16
- Stark County16
- Macoupin County16
62 more counties
- Cook County15
- Kankakee County15
- Moultrie County15
- Douglas County14
- Christian County14
- Coles County13
- DuPage County13
- Henry County13
- Rock Island County13
- DeKalb County13
- Marshall County13
- Edgar County12
- Putnam County12
- Shelby County12
- Whiteside County11
- Bureau County11
- Monroe County10
- Montgomery County10
- Madison County10
- Lake County9
- Carroll County9
- Jo Daviess County9
- Lee County9
- Clark County9
- Crawford County9
- Jasper County9
- Marion County9
- Cumberland County8
- Effingham County8
- Fayette County8
- Saint Clair County8
- Randolph County7
- Ogle County7
- McHenry County7
- Bond County7
- Clay County7
- Jefferson County7
- Stephenson County6
- Boone County6
- Winnebago County6
- Lawrence County6
- Richland County6
- Clinton County6
- Edwards County5
- Wabash County5
- Franklin County5
- Hamilton County5
- Jackson County5
- Perry County5
- Wayne County5
- White County5
- Washington County4
- Williamson County4
- Union County3
- Hardin County2
- Pope County2
- Johnson County2
- Saline County2
- Alexander County2
- Massac County1
- Gallatin County1
- Pulaski County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20032005
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.