Alert archive / Illinois / 2009
Weather alerts in Illinois, August 2009
231 weather alerts in August 2009, 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 2009. Tap one for its archive.
- Alerts
- 231
- Warnings
- 137
- Watches
- 20
- Advisories
- 41
- Busiest day
- August 19, 200966 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 |
|---|---|---|---|---|
| Jul 31, 9:30 PM CDT | Small Craft Advisory | LOT | 24 hr | |
| Aug 2, 3:38 AM CDT | Small Craft Advisory | LOT | 39 hr | |
| Aug 2, 4:07 AM CDT | Dense Fog Advisory | PAH | Alexander, Hardin, Jackson, Johnson, Massac, Perry and 4 more | 4 hr |
| Aug 3, 3:38 AM CDT | Gale Warning | LOT | 12 hr | |
| Aug 3, 11:44 AM CDT | Severe Thunderstorm Warning | LSX | Adams | 46 min |
| Aug 3, 12:32 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 43 min |
| Aug 3, 12:41 PM CDT | Flash Flood Warning | LSX | Adams | 3 hr |
| Aug 3, 1:21 PM CDT | Special Weather Statement | ILX | Scott | 54 min |
| Aug 3, 1:33 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 42 min |
| Aug 3, 2:25 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 50 min |
| Aug 3, 3:18 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 42 min |
| Aug 3, 3:45 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Macoupin | 45 min |
| Aug 3, 3:52 PM CDT | Flash Flood Watch | LSX | Adams, Brown, Pike | 17 hr |
| Aug 3, 4:06 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Greene and 10 more | 84 min |
| Aug 4, 12:05 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 32 min |
| Aug 4, 3:45 AM CDT | Special Weather Statement | DVN | Hancock | 60 min |
| Aug 4, 3:57 AM CDT | Severe Thunderstorm Warning | DVN | Hancock, McDonough | 63 min |
| Aug 4, 4:06 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Calhoun, Greene, Hancock, Jersey and 2 more | 5 hr |
| Aug 4, 4:29 AM CDT | Dense Fog Advisory | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 4 hr |
| Aug 4, 6:17 AM CDT | Special Weather Statement | ILX | McLean | 28 min |
| Aug 4, 6:24 AM CDT | Severe Thunderstorm Warning | LSX | Adams, Pike | 51 min |
| Aug 4, 6:32 AM CDT | Special Weather Statement | LOT | Ford | 58 min |
| Aug 4, 6:48 AM CDT | Severe Thunderstorm Warning | DVN | Hancock, Henderson | 57 min |
| Aug 4, 6:50 AM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown | 40 min |
| Aug 4, 7:07 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan, Schuyler | 38 min |
| Aug 4, 7:11 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Fulton, Greene and 8 more | 94 min |
| Aug 4, 7:26 AM CDT | Severe Thunderstorm Warning | DVN | Henderson, McDonough, Warren | 64 min |
| Aug 4, 7:39 AM CDT | Severe Thunderstorm Watch | SPC | Bond, Cass, Champaign, Christian, Clark, Clay and 37 more | 4 hr |
| Aug 4, 7:41 AM CDT | Special Weather Statement | ILX | Vermilion | 34 min |
| Aug 4, 7:42 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Fulton, Mason, Menard, Schuyler | 48 min |
| Aug 4, 7:53 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard, Morgan, Sangamon | 56 min |
| Aug 4, 8:11 AM CDT | Severe Thunderstorm Warning | ILX | Fulton, Logan, McLean, Mason, Menard, Sangamon and 1 more | 55 min |
| Aug 4, 8:19 AM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Marshall, Peoria, Stark, Tazewell | 41 min |
| Aug 4, 8:29 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Logan, Macon, Menard, Sangamon | 52 min |
| Aug 4, 8:37 AM CDT | Severe Thunderstorm Warning | ILX | McLean, Marshall, Peoria, Tazewell, Woodford | 38 min |
| Aug 4, 8:43 AM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean, Macon, Piatt | 47 min |
| Aug 4, 8:53 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Moultrie, Piatt, Shelby | 67 min |
| Aug 4, 8:56 AM CDT | Severe Thunderstorm Warning | LSX | Fayette, Montgomery | 49 min |
| Aug 4, 9:13 AM CDT | Severe Thunderstorm Warning | ILX | McLean, Marshall, Woodford | 23 min |
| Aug 4, 9:14 AM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, LaSalle, Livingston | 76 min |
| Aug 4, 9:24 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas | 51 min |
| Aug 4, 9:31 AM CDT | Severe Thunderstorm Warning | ILX | DeWitt, McLean, Piatt | 15 min |
| Aug 4, 9:34 AM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland, Effingham, Jasper | 26 min |
| Aug 4, 9:52 AM CDT | Severe Thunderstorm Warning | ILX | Edgar, Vermilion | 53 min |
| Aug 4, 9:57 AM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Crawford, Cumberland, Effingham, Jasper and 1 more | 63 min |
| Aug 4, 10:11 AM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 64 min |
| Aug 4, 10:32 AM CDT | Tornado Warning | ILX | Crawford | 43 min |
| Aug 4, 2:31 PM CDT | River Flood Warning | IND | Wabash | 8 days |
| Aug 4, 2:31 PM CDT | River Flood Warning | IND | Wabash | 7 days |
| Aug 4, 2:36 PM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more | 84 min |
| Aug 4, 3:09 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 8 more | 7 hr |
| Aug 4, 4:43 PM CDT | Severe Thunderstorm Warning | PAH | Saline, Williamson | 47 min |
| Aug 4, 4:46 PM CDT | Severe Thunderstorm Warning | PAH | Jackson, Johnson, Union, Williamson | 44 min |
| Aug 4, 4:59 PM CDT | Severe Thunderstorm Warning | PAH | Hardin, Johnson, Pope, Saline, Williamson | 46 min |
| Aug 4, 5:11 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Hardin | 36 min |
| Aug 4, 5:18 PM CDT | Severe Thunderstorm Warning | PAH | Johnson, Massac, Pope, Pulaski, Union | 42 min |
| Aug 4, 5:29 PM CDT | Severe Thunderstorm Warning | PAH | Massac, Pope | 46 min |
| Aug 4, 5:48 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Pulaski | 57 min |
| Aug 4, 5:59 PM CDT | Severe Thunderstorm Warning | PAH | Pope | 46 min |
| Aug 4, 6:12 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Pulaski | 48 min |
| Aug 4, 6:21 PM CDT | Mesoscale Discussion | SPC | Alexander, Johnson, Massac, Pope, Pulaski, Union | 114 min |
| Aug 4, 7:14 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Union | 46 min |
| Aug 4, 7:41 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 26 min |
| Aug 4, 8:06 PM CDT | Flash Flood Warning | PAH | Alexander, Pulaski, Union | 3 hr |
| Aug 4, 8:35 PM CDT | Mesoscale Discussion | SPC | Alexander, Massac, Pulaski, Union | 85 min |
| Aug 4, 8:49 PM CDT | Flash Flood Warning | PAH | Johnson, Massac, Pope | 3 hr |
| Aug 4, 9:54 PM CDT | Flash Flood Warning | PAH | Alexander | 111 min |
| Aug 7, 4:18 AM CDT | Heat Advisory | LSX | Adams, Brown, Madison, Pike, Saint Clair | 63 hr |
| Aug 7, 2:24 PM CDT | Special Weather Statement | DVN | Henry, Mercer, Rock Island | 51 min |
| Aug 7, 9:54 PM CDT | Small Craft Advisory | LOT | 24 hr | |
| Aug 8, 1:29 AM CDT | Mesoscale Discussion | SPC | Jo Daviess | 2 hr |
| Aug 8, 2:43 AM CDT | Heat Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 40 hr |
| Aug 8, 3:10 AM CDT | Heat Advisory | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 29 more | 40 hr |
| Aug 8, 4:07 AM CDT | Heat Advisory | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 38 hr |
| Aug 8, 7:46 AM CDT | Special Weather Statement | DVN | Jo Daviess, Stephenson | 89 min |
| Aug 9, 3:41 AM CDT | Small Craft Advisory | LOT | 15 hr | |
| Aug 9, 9:55 AM CDT | Mesoscale Discussion | SPC | Boone, Carroll, Henry, Jo Daviess, Lee, Mercer and 5 more | 35 min |
| Aug 9, 10:21 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 8 more | 8 hr |
| Aug 9, 12:34 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 86 min |
| Aug 9, 1:29 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess, Stephenson | 61 min |
| Aug 9, 2:03 PM CDT | Flash Flood Warning | DVN | Jo Daviess | 6 hr |
| Aug 9, 3:41 PM CDT | Flash Flood Watch | DVN | Carroll, Jo Daviess, Stephenson | 11 hr |
| Aug 9, 5:52 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 11 more | 8 hr |
| Aug 9, 7:05 PM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Will | 63 min |
| Aug 9, 7:05 PM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Will | 62 min |
| Aug 9, 8:30 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henderson, Henry and 15 more | 90 min |
| Aug 9, 8:31 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Henry, Mercer, Warren | 44 min |
| Aug 9, 8:50 PM CDT | Special Weather Statement | DVN | Rock Island | 55 min |
| Aug 9, 8:53 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Mercer, Warren | 52 min |
| Aug 9, 8:54 PM CDT | Flash Flood Warning | DVN | Henderson, Henry, Mercer, Warren | 3 hr |
| Aug 9, 8:54 PM CDT | Special Weather Statement | DVN | Rock Island | 51 min |
| Aug 9, 9:34 PM CDT | Areal Flood Advisory | LOT | LaSalle, Lee | 61 min |
| Aug 9, 9:36 PM CDT | Flash Flood Warning | DVN | Jo Daviess, Stephenson | 3 hr |
| Aug 9, 9:53 PM CDT | Special Weather Statement | DVN | Jo Daviess, Stephenson | 67 min |
| Aug 9, 10:55 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Cook, DeKalb, DuPage, Kane and 8 more | 95 min |
| Aug 9, 11:03 PM CDT | Areal Flood Advisory | LOT | Lee, Ogle, Winnebago | 3 hr |
| Aug 10, 5:15 PM CDT | Areal Flood Advisory | PAH | White | 2 hr |
| Aug 10, 5:58 PM CDT | Mesoscale Discussion | SPC | Gallatin, Hardin, Johnson, Pope, Saline, Williamson | 2 hr |
| Aug 10, 7:17 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin | 16 min |
| Aug 12, 9:11 AM CDT | River Flood Advisory | IND | Wabash | 36 hr |
| Aug 12, 9:11 AM CDT | River Flood Advisory | IND | Wabash | 36 hr |
| Aug 14, 10:01 AM CDT | River Flood Warning | IND | Wabash | 15 hr |
| Aug 16, 2:20 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane, Kendall, Will | 40 min |
| Aug 16, 3:14 PM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Kane, Kendall, Will | 4 hr |
| Aug 16, 3:25 PM CDT | Special Marine Warning | LOT | 73 min | |
| Aug 16, 3:41 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 29 min |
| Aug 16, 3:51 PM CDT | Areal Flood Warning | LOT | Cook | 4 hr |
| Aug 16, 5:09 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 51 min |
| Aug 16, 5:31 PM CDT | Areal Flood Advisory | LSX | Monroe, Saint Clair | 3 hr |
| Aug 16, 5:39 PM CDT | Areal Flood Advisory | LSX | Macoupin, Montgomery | 3 hr |
| Aug 16, 7:12 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 48 min |
| Aug 17, 1:22 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Fulton, Hancock, Henderson and 11 more | 83 min |
| Aug 17, 1:57 AM CDT | Flash Flood Warning | LSX | Adams | 4 hr |
| Aug 17, 2:02 AM CDT | Flash Flood Warning | DVN | Hancock, McDonough | 7 hr |
| Aug 17, 3:03 AM CDT | Flash Flood Watch | ILX | Cass, DeWitt, Fulton, Knox, Logan, McLean and 11 more | 12 hr |
| Aug 17, 3:49 AM CDT | Flash Flood Watch | DVN | Hancock, Henderson, McDonough, Warren | 11 hr |
| Aug 17, 4:09 AM CDT | Flash Flood Watch | LSX | Adams, Brown, Pike | 11 hr |
| Aug 17, 2:16 PM CDT | Areal Flood Advisory | LSX | Adams, Brown, Pike | 5 hr |
| Aug 17, 2:32 PM CDT | Special Weather Statement | LOT | Cook | 43 min |
| Aug 17, 2:49 PM CDT | Special Weather Statement | ILX | Cass | 41 min |
| Aug 17, 3:23 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Logan, Mason, Menard, Morgan, Sangamon and 1 more | 52 min |
| Aug 17, 4:33 PM CDT | Areal Flood Advisory | ILX | Logan, Sangamon | 3 hr |
| Aug 17, 4:48 PM CDT | Areal Flood Advisory | ILX | DeWitt, Logan, McLean, Tazewell, Woodford | 3 hr |
| Aug 17, 5:14 PM CDT | Areal Flood Advisory | LSX | Jersey, Macoupin, Madison, Saint Clair | 6 hr |
| Aug 17, 5:18 PM CDT | Areal Flood Advisory | ILX | DeWitt, Macon | 3 hr |
| Aug 17, 5:52 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Kankakee, Livingston | 53 min |
| Aug 17, 6:41 PM CDT | Areal Flood Advisory | ILX | Vermilion | 4 hr |
| Aug 17, 6:48 PM CDT | Areal Flood Advisory | LOT | Iroquois | 4 hr |
| Aug 19, 11:51 AM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Bureau, Calhoun, Cass and 45 more | 114 min |
| Aug 19, 12:49 PM CDT | Tornado Watch | SPC | Adams, Brown, Bureau, Cass, Champaign, Christian and 52 more | 6 hr |
| Aug 19, 1:08 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 37 min |
| Aug 19, 1:21 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 54 min |
| Aug 19, 1:23 PM CDT | Tornado Warning | LSX | Adams, Brown | 23 min |
| Aug 19, 1:26 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Pike | 19 min |
| Aug 19, 1:30 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 15 min |
| Aug 19, 1:36 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 24 min |
| Aug 19, 1:49 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Fulton, Mason, Morgan, Sangamon, Schuyler and 1 more | 56 min |
| Aug 19, 1:50 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 25 min |
| Aug 19, 1:58 PM CDT | Tornado Warning | LSX | Greene, Pike | 17 min |
| Aug 19, 2:03 PM CDT | Tornado Warning | ILX | Morgan, Scott | 42 min |
| Aug 19, 2:14 PM CDT | Tornado Warning | LSX | Greene | 16 min |
| Aug 19, 2:32 PM CDT | Tornado Warning | LSX | Greene | 13 min |
| Aug 19, 2:35 PM CDT | Tornado Warning | ILX | Morgan, Sangamon, Scott | 40 min |
| Aug 19, 2:43 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Fulton, Logan, Mason, Menard, Morgan and 3 more | 62 min |
| Aug 19, 2:47 PM CDT | Tornado Warning | LSX | Macoupin | 13 min |
| Aug 19, 2:50 PM CDT | Tornado Warning | ILX | Morgan, Sangamon | 40 min |
| Aug 19, 2:54 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Marshall, Peoria, Stark, Tazewell and 1 more | 66 min |
| Aug 19, 2:58 PM CDT | Tornado Warning | ILX | Morgan, Sangamon | 38 min |
| Aug 19, 3:05 PM CDT | Tornado Watch | SPC | Champaign, Christian, Coles, Douglas, Edgar, Moultrie and 2 more | 2 hr |
| Aug 19, 3:08 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 22 min |
| Aug 19, 3:19 PM CDT | Mesoscale Discussion | SPC | Champaign, Christian, Clark, Coles, Cumberland, DeWitt and 22 more | 86 min |
| Aug 19, 3:20 PM CDT | Flash Flood Watch | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 10 more | 13 hr |
| Aug 19, 3:22 PM CDT | Tornado Warning | ILX | Logan, Sangamon | 38 min |
| Aug 19, 3:24 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean, Piatt, Tazewell, Woodford | 66 min |
| Aug 19, 3:26 PM CDT | Tornado Warning | ILX | Christian, Sangamon | 35 min |
| Aug 19, 3:31 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Livingston | 74 min |
| Aug 19, 3:34 PM CDT | Tornado Warning | LSX | Macoupin, Montgomery | 22 min |
| Aug 19, 3:39 PM CDT | Tornado Warning | ILX | DeWitt, Logan | 36 min |
| Aug 19, 3:48 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Marshall, Peoria, Stark, Tazewell, Woodford | 57 min |
| Aug 19, 3:52 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Moultrie, Shelby | 38 min |
| Aug 19, 3:57 PM CDT | Tornado Warning | ILX | Christian | 33 min |
| Aug 19, 4:01 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, LaSalle, Livingston | 55 min |
| Aug 19, 4:10 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Macon, Moultrie, Piatt | 65 min |
| Aug 19, 4:21 PM CDT | Severe Thunderstorm Warning | LSX | Fayette, Montgomery | 39 min |
| Aug 19, 4:24 PM CDT | Small Craft Advisory | LOT | 29 hr | |
| Aug 19, 4:25 PM CDT | Tornado Warning | ILX | DeWitt, McLean, Piatt | 39 min |
| Aug 19, 4:30 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Coles, DeWitt, Douglas, McLean, Macon and 3 more | 45 min |
| Aug 19, 4:35 PM CDT | Tornado Warning | LOT | Grundy | 25 min |
| Aug 19, 4:37 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Grundy, Iroquois, Kankakee, Kendall, LaSalle and 2 more | 53 min |
| Aug 19, 4:40 PM CDT | Tornado Warning | ILX | McLean | 34 min |
| Aug 19, 4:49 PM CDT | Special Marine Warning | LOT | 116 min | |
| Aug 19, 4:49 PM CDT | Tornado Warning | LSX | Bond, Fayette | 26 min |
| Aug 19, 4:49 PM CDT | Tornado Watch | SPC | Bureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more | 5 hr |
| Aug 19, 4:56 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas, Edgar, Vermilion | 64 min |
| Aug 19, 5:08 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Livingston | 57 min |
| Aug 19, 5:11 PM CDT | Tornado Watch | SPC | Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more | 5 hr |
| Aug 19, 5:13 PM CDT | Tornado Warning | LSX | Bond, Fayette | 32 min |
| Aug 19, 5:14 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland, Effingham, Jasper, Moultrie, Shelby | 46 min |
| Aug 19, 5:14 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Kankakee, Will | 61 min |
| Aug 19, 5:17 PM CDT | Tornado Warning | ILX | Vermilion | 28 min |
| Aug 19, 5:19 PM CDT | Tornado Warning | LOT | Ford, Iroquois, Livingston | 29 min |
| Aug 19, 5:23 PM CDT | Tornado Warning | ILX | Vermilion | 32 min |
| Aug 19, 5:31 PM CDT | Tornado Warning | LSX | Fayette | 26 min |
| Aug 19, 5:40 PM CDT | Areal Flood Advisory | LOT | Cook, DeKalb, DuPage, Grundy, Kane, Kendall and 4 more | 5 hr |
| Aug 19, 5:47 PM CDT | Tornado Warning | ILX | Effingham | 18 min |
| Aug 19, 5:48 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Coles, Cumberland, Douglas, Edgar | 57 min |
| Aug 19, 5:52 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Montgomery | 23 min |
| Aug 19, 5:57 PM CDT | Tornado Warning | LOT | DeKalb, Kane | 33 min |
| Aug 19, 5:57 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 48 min |
| Aug 19, 6:00 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Clay, Coles, Crawford, Cumberland, Effingham and 2 more | 75 min |
| Aug 19, 6:11 PM CDT | Tornado Warning | LOT | Iroquois | 32 min |
| Aug 19, 6:14 PM CDT | Tornado Warning | LSX | Fayette | 46 min |
| Aug 19, 6:25 PM CDT | Special Marine Warning | LOT | 65 min | |
| Aug 19, 6:51 PM CDT | Severe Thunderstorm Warning | ILX | Effingham, Shelby | 20 min |
| Aug 19, 7:08 PM CDT | Flash Flood Warning | LSX | Fayette | 6 hr |
| Aug 19, 7:28 PM CDT | Flash Flood Warning | ILX | Cumberland, Effingham, Jasper | 3 hr |
| Aug 19, 7:45 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more | 90 min |
| Aug 19, 8:56 PM CDT | Flash Flood Watch | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 29 more | 10 hr |
| Aug 19, 11:26 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Clinton, Fayette, Franklin, Jackson and 12 more | 9 hr |
| Aug 20, 2:18 AM CDT | Mesoscale Discussion | SPC | Clinton, Jackson, Monroe, Perry, Randolph, Saint Clair and 2 more | 87 min |
| Aug 20, 5:16 AM CDT | Areal Flood Advisory | ILX | Vermilion | 3 hr |
| Aug 20, 1:51 PM CDT | Mesoscale Discussion | SPC | Jo Daviess | 114 min |
| Aug 20, 9:44 PM CDT | Areal Flood Advisory | PAH | Jefferson | 61 min |
| Aug 21, 9:45 AM CDT | Small Craft Advisory | LOT | 6 hr | |
| Aug 21, 4:45 PM CDT | Severe Thunderstorm Warning | ILX | McLean, Woodford | 24 min |
| Aug 22, 2:49 AM CDT | Small Craft Advisory | LOT | 26 hr | |
| Aug 26, 9:10 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more | 42 hr |
| Aug 26, 10:14 AM CDT | Flash Flood Warning | DVN | Rock Island | 6 hr |
| Aug 26, 11:51 AM CDT | Flash Flood Warning | DVN | Carroll, Whiteside | 6 hr |
| Aug 26, 1:59 PM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more | 37 hr |
| Aug 26, 3:06 PM CDT | Flash Flood Watch | ILX | Knox, Marshall, Stark | 24 hr |
| Aug 26, 8:50 PM CDT | Small Craft Advisory | LOT | 7 hr | |
| Aug 27, 2:06 AM CDT | Flash Flood Warning | DVN | Carroll, Rock Island, Whiteside | 3 hr |
| Aug 27, 8:53 AM CDT | River Flood Advisory | LOT | Boone | 35 hr |
| Aug 27, 10:38 AM CDT | River Flood Advisory | LOT | Cook | 23 hr |
| Aug 27, 10:38 AM CDT | River Flood Advisory | LOT | Kane, Kendall | 33 hr |
| Aug 27, 3:48 PM CDT | Small Craft Advisory | LOT | 3 days | |
| Aug 27, 8:24 PM CDT | Areal Flood Advisory | ILX | McLean | 2 hr |
| Aug 27, 8:46 PM CDT | Areal Flood Advisory | LOT | Ford, Grundy, Kankakee, LaSalle, Livingston, Will | 6 hr |
| Aug 27, 9:34 PM CDT | Flash Flood Warning | DVN | Hancock, Henderson | 2 hr |
| Aug 27, 10:10 PM CDT | Areal Flood Advisory | ILX | Champaign | 4 hr |
| Aug 27, 10:31 PM CDT | Mesoscale Discussion | SPC | Champaign, Douglas, Edgar, McLean, Piatt, Vermilion | 89 min |
| Aug 27, 10:37 PM CDT | Flash Flood Warning | ILX | Champaign | 4 hr |
| Aug 27, 10:42 PM CDT | Special Weather Statement | ILX | Champaign | 48 min |
| Aug 27, 11:25 PM CDT | Special Weather Statement | ILX | Champaign | 50 min |
| Aug 27, 11:39 PM CDT | Areal Flood Warning | DVN | Hancock, Henderson | 12 hr |
| Aug 28, 12:01 AM CDT | Flash Flood Warning | ILX | Vermilion | 2 hr |
| Aug 28, 12:25 AM CDT | Special Weather Statement | ILX | Vermilion | 65 min |
| Aug 28, 1:55 PM CDT | River Flood Warning | LSX | Adams | 46 hr |
| Aug 29, 3:40 AM CDT | Lakeshore Flood Statement | LOT | Lake | 45 hr |
| Aug 29, 8:56 PM CDT | Gale Warning | LOT | 6 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 | 81 |
| Tornado Warning | 28 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 17 |
| Special Weather Statement | 15 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 17 |
| River Flood Warning | 4 |
| Flash Flood Watch | 10 |
| Areal Flood Advisory | 21 |
| River Flood Advisory | 5 |
| Heat | |
| Heat Advisory | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Coast and beach | |
| Lakeshore Flood Statement | 1 |
| Marine | |
| Gale Warning | 2 |
| Special Marine Warning | 3 |
| Small Craft Advisory | 9 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County21
- McLean County21
- Sangamon County19
- Morgan County18
- Pike County17
- Vermilion County17
- Logan County17
- Jo Daviess County17
- Brown County16
- Champaign County16
- Henderson County16
- DeWitt County16
- Tazewell County16
- Cass County15
- Marshall County15
- Rock Island County15
- Scott County14
- Hancock County14
- Ford County14
- LaSalle County14
- Livingston County14
- Fulton County14
- Piatt County14
- Shelby County14
- Stark County14
- Woodford County14
- Mercer County14
- Stephenson County14
- Schuyler County13
- Iroquois County13
- Coles County13
- Knox County13
- Macon County13
- Peoria County13
- Henry County13
- Whiteside County13
- Cook County13
- Alexander County12
- Montgomery County12
- Kane County12
59 more counties
- Lee County12
- Warren County12
- Christian County12
- Cumberland County12
- Douglas County12
- Effingham County12
- Fayette County12
- Menard County12
- Moultrie County12
- Union County11
- Macoupin County11
- DuPage County11
- Kendall County11
- Ogle County11
- Mason County11
- Carroll County11
- Johnson County10
- Pope County10
- Pulaski County10
- Greene County10
- McDonough County10
- Grundy County10
- Edgar County10
- Bureau County10
- DeKalb County9
- Winnebago County9
- Jasper County9
- Putnam County9
- Will County9
- Massac County8
- Williamson County8
- Bond County8
- Boone County8
- Kankakee County8
- Clark County8
- Madison County7
- Crawford County7
- Saint Clair County7
- Hardin County6
- Jackson County6
- Jersey County6
- Lake County6
- Calhoun County5
- McHenry County5
- Clay County5
- Wabash County5
- Gallatin County5
- Saline County5
- Monroe County5
- Perry County4
- Lawrence County4
- Richland County4
- Randolph County4
- Clinton County3
- Washington County3
- Franklin County2
- Marion County2
- Jefferson County2
- White County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.