Alert archive / Illinois / 2010
Weather alerts in Illinois, August 2010
232 weather alerts in August 2010, 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 2010. Tap one for its archive.
- Alerts
- 232
- Warnings
- 88
- Watches
- 19
- Advisories
- 57
- Busiest day
- August 4, 201028 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, 10:49 PM CDT | Dense Fog Advisory | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 12 hr |
| Aug 1, 2:36 PM CDT | Excessive Heat Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 25 hr |
| Aug 1, 3:13 PM CDT | Heat Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 3 days |
| Aug 2, 3:08 PM CDT | Excessive Heat Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 61 hr |
| Aug 2, 3:08 PM CDT | Heat Advisory | PAH | Edwards, Hamilton, Jefferson, Wabash, Wayne, White | 24 hr |
| Aug 2, 3:24 PM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more | 18 hr |
| Aug 2, 3:53 PM CDT | Heat Advisory | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 29 more | 50 hr |
| Aug 2, 10:30 PM CDT | River Flood Warning | PAH | Alexander | 3 days |
| Aug 3, 12:04 AM CDT | Mesoscale Discussion | SPC | Rock Island | 3 hr |
| Aug 3, 4:20 AM CDT | Special Weather Statement | LOT | Kendall, LaSalle, Lee | 55 min |
| Aug 3, 4:39 AM CDT | Areal Flood Advisory | LOT | Cook, DeKalb, DuPage, Grundy, Kane, Kankakee and 5 more | 6 hr |
| Aug 3, 4:43 AM CDT | Excessive Heat Warning | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 9 more | 39 hr |
| Aug 3, 4:55 AM CDT | Mesoscale Discussion | SPC | DuPage, Ford, Grundy, Iroquois, Kankakee, Kendall and 5 more | 95 min |
| Aug 3, 5:12 AM CDT | Flash Flood Warning | LOT | Cook, DuPage, Kane, Kendall, Will | 6 hr |
| Aug 3, 6:00 AM CDT | River Flood Warning | LOT | Kane, Kendall | 71 hr |
| Aug 3, 6:25 AM CDT | Areal Flood Advisory | LOT | Kankakee | 6 hr |
| Aug 3, 6:38 AM CDT | River Flood Warning | LOT | Will | 70 hr |
| Aug 3, 9:41 AM CDT | River Flood Advisory | LOT | Cook | 5 hr |
| Aug 3, 11:16 AM CDT | Areal Flood Warning | LOT | Cook, Grundy, Kendall, Will | 4 hr |
| Aug 3, 11:54 AM CDT | River Flood Warning | LOT | Will | 32 hr |
| Aug 3, 12:17 PM CDT | Heat Advisory | DVN | Hancock, Henderson, McDonough, Warren | 9 hr |
| Aug 3, 12:40 PM CDT | Excessive Heat Warning | ILX | Cass, Christian, Clark, Clay, Coles, Crawford and 18 more | 6 hr |
| Aug 3, 2:54 PM CDT | River Flood Warning | LOT | Cook | 19 hr |
| Aug 3, 3:11 PM CDT | Areal Flood Advisory | LOT | Cook, Will | 6 hr |
| Aug 3, 3:13 PM CDT | Areal Flood Advisory | LOT | Cook, Will | 6 hr |
| Aug 3, 3:22 PM CDT | River Flood Advisory | LOT | LaSalle | 5 hr |
| Aug 3, 3:39 PM CDT | Flash Flood Watch | LOT | DeKalb, DuPage, Ford, Grundy, Iroquois, Kane and 6 more | 23 hr |
| Aug 3, 7:22 PM CDT | Excessive Heat Warning | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 21 more | 24 hr |
| Aug 3, 8:00 PM CDT | River Flood Warning | LOT | LaSalle | 14 hr |
| Aug 3, 8:33 PM CDT | River Flood Advisory | LOT | LaSalle | 57 hr |
| Aug 3, 8:33 PM CDT | River Flood Advisory | LOT | Bureau, LaSalle | 57 hr |
| Aug 3, 8:44 PM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Henry, Mercer, Putnam, Rock Island and 1 more | 14 hr |
| Aug 4, 1:05 AM CDT | Mesoscale Discussion | SPC | Bureau, Fulton, Grundy, Hancock, Henderson, Henry and 17 more | 85 min |
| Aug 4, 1:57 AM CDT | Severe Thunderstorm Watch | SPC | Bureau, Cook, DeKalb, DuPage, Ford, Fulton and 25 more | 6 hr |
| Aug 4, 2:57 AM CDT | Special Weather Statement | DVN | Mercer | 63 min |
| Aug 4, 3:26 AM CDT | Special Weather Statement | DVN | Henry, Mercer, Rock Island | 49 min |
| Aug 4, 3:42 AM CDT | Mesoscale Discussion | SPC | Bureau, Grundy, Henderson, Henry, Kankakee, Kendall and 14 more | 63 min |
| Aug 4, 3:57 AM CDT | Severe Thunderstorm Warning | DVN | Bureau, Henry, Rock Island, Whiteside | 45 min |
| Aug 4, 4:49 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb, LaSalle, Lee, Ogle | 56 min |
| Aug 4, 5:37 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb, DuPage, Grundy, Kane, Kankakee, Kendall and 4 more | 38 min |
| Aug 4, 6:00 AM CDT | Flash Flood Warning | LOT | Lee, Ogle | 4 hr |
| Aug 4, 6:04 AM CDT | Special Marine Warning | LOT | 116 min | |
| Aug 4, 6:15 AM CDT | Areal Flood Advisory | LOT | Cook, DuPage, Grundy, Kane, Kankakee, Kendall and 1 more | 4 hr |
| Aug 4, 6:19 AM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Grundy, Kane, Kendall, Will | 56 min |
| Aug 4, 6:45 AM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Iroquois, Kankakee, Will | 60 min |
| Aug 4, 9:42 AM CDT | River Flood Advisory | LOT | LaSalle | 43 hr |
| Aug 4, 9:58 AM CDT | Areal Flood Warning | LOT | Ogle | 12 hr |
| Aug 4, 2:27 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 30 more | 33 min |
| Aug 4, 3:12 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 29 more | 6 hr |
| Aug 4, 3:44 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason, Schuyler | 61 min |
| Aug 4, 4:51 PM CDT | Special Weather Statement | ILX | Piatt | 39 min |
| Aug 4, 5:06 PM CDT | Special Weather Statement | ILX | Vermilion | 39 min |
| Aug 4, 6:01 PM CDT | Special Weather Statement | ILX | Vermilion | 59 min |
| Aug 4, 6:13 PM CDT | Special Weather Statement | ILX | Champaign, Vermilion | 62 min |
| Aug 4, 6:22 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 53 min |
| Aug 4, 7:55 PM CDT | Mesoscale Discussion | SPC | Clark, Crawford, Edgar, Jasper | 65 min |
| Aug 5, 3:32 AM CDT | Dense Fog Advisory | DVN | Hancock, Henderson, McDonough, Warren | 3 hr |
| Aug 5, 4:02 AM CDT | Heat Advisory | PAH | Alexander, Massac, Pulaski | 14 hr |
| Aug 5, 5:38 AM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph | 67 min |
| Aug 5, 6:00 AM CDT | Severe Thunderstorm Warning | PAH | Jackson, Perry | 60 min |
| Aug 5, 6:20 AM CDT | Mesoscale Discussion | SPC | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 85 min |
| Aug 5, 6:36 AM CDT | Severe Thunderstorm Warning | PAH | Franklin, Jefferson, Williamson | 54 min |
| Aug 6, 2:56 PM CDT | Excessive Heat Watch | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 49 hr |
| Aug 6, 3:26 PM CDT | Excessive Heat Watch | PAH | Alexander, Franklin, Jackson, Jefferson, Johnson, Perry and 3 more | 12 hr |
| Aug 7, 3:35 AM CDT | Heat Advisory | PAH | Alexander, Franklin, Jackson, Jefferson, Johnson, Perry and 3 more | 24 hr |
| Aug 7, 3:35 AM CDT | Heat Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 60 hr |
| Aug 7, 2:56 PM CDT | Excessive Heat Watch | ILX | Cass, Christian, Clay, Crawford, Effingham, Jasper and 8 more | 24 hr |
| Aug 8, 3:55 AM CDT | Excessive Heat Warning | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 7 days |
| Aug 8, 4:10 AM CDT | Heat Advisory | DVN | Hancock, Henderson, McDonough, Mercer, Rock Island, Warren | 15 hr |
| Aug 8, 8:23 AM CDT | Special Weather Statement | DVN | Jo Daviess, Stephenson | 67 min |
| Aug 8, 9:32 AM CDT | Special Weather Statement | DVN | Carroll | 58 min |
| Aug 8, 10:39 AM CDT | Special Weather Statement | DVN | Carroll, Whiteside | 51 min |
| Aug 8, 1:11 PM CDT | Special Marine Warning | LOT | 38 min | |
| Aug 8, 1:16 PM CDT | Special Weather Statement | LOT | Cook | 44 min |
| Aug 8, 3:22 PM CDT | Excessive Heat Warning | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 29 more | 6 days |
| Aug 8, 3:22 PM CDT | Heat Advisory | ILX | Champaign, Clark, Coles, Cumberland, DeWitt, Douglas and 15 more | 72 hr |
| Aug 8, 9:40 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess | 95 min |
| Aug 8, 10:08 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Henderson, Henry, Jo Daviess, Mercer, Rock Island and 3 more | 7 hr |
| Aug 8, 11:19 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Rock Island, Whiteside | 86 min |
| Aug 9, 2:20 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Henderson, Henry and 15 more | 100 min |
| Aug 9, 3:22 AM CDT | Special Marine Warning | LOT | 113 min | |
| Aug 9, 3:51 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more | 17 hr |
| Aug 9, 4:46 AM CDT | Mesoscale Discussion | SPC | Henderson, Henry, Mercer, Rock Island, Warren | 3 hr |
| Aug 9, 9:44 AM CDT | River Flood Watch | LOT | Winnebago | 25 hr |
| Aug 9, 10:59 AM CDT | River Flood Warning | LSX | Adams | 10 hr |
| Aug 9, 12:03 PM CDT | Heat Advisory | DVN | Hancock, Henderson, McDonough, Warren | 8 hr |
| Aug 9, 3:19 PM CDT | Excessive Heat Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 5 days |
| Aug 9, 9:32 PM CDT | Special Weather Statement | ILX | Fulton | 58 min |
| Aug 9, 9:36 PM CDT | Special Weather Statement | DVN | McDonough | 84 min |
| Aug 9, 10:14 PM CDT | Special Weather Statement | DVN | McDonough | 91 min |
| Aug 9, 10:51 PM CDT | River Flood Advisory | LOT | Ogle | 12 hr |
| Aug 9, 11:01 PM CDT | Flash Flood Warning | ILX | Fulton | 4 hr |
| Aug 9, 11:15 PM CDT | Mesoscale Discussion | SPC | Champaign, DeWitt, Ford, Fulton, Knox, Logan and 5 more | 3 hr |
| Aug 9, 11:54 PM CDT | Special Weather Statement | ILX | Menard | 66 min |
| Aug 10, 1:08 AM CDT | Areal Flood Advisory | LOT | Ford, LaSalle, Livingston | 6 hr |
| Aug 10, 1:51 AM CDT | Flash Flood Warning | LOT | LaSalle, Livingston | 8 hr |
| Aug 10, 4:30 AM CDT | Heat Advisory | DVN | Hancock, Henderson, McDonough, Mercer, Warren | 35 hr |
| Aug 10, 4:43 AM CDT | Special Weather Statement | DVN | Rock Island | 92 min |
| Aug 10, 6:08 AM CDT | Special Weather Statement | DVN | Bureau, Putnam | 52 min |
| Aug 10, 7:21 AM CDT | Areal Flood Advisory | LOT | LaSalle, Livingston | 4 hr |
| Aug 10, 8:23 AM CDT | Marine Dense Fog Advisory | LOT | 5 hr | |
| Aug 10, 2:12 PM CDT | Heat Advisory | LOT | Ford, Iroquois, Kankakee, Livingston | 3 days |
| Aug 10, 4:05 PM CDT | Special Weather Statement | DVN | Hancock, Henderson, McDonough | 55 min |
| Aug 10, 4:39 PM CDT | Special Weather Statement | ILX | Schuyler | 66 min |
| Aug 10, 5:07 PM CDT | Areal Flood Advisory | ILX | Schuyler | 4 hr |
| Aug 10, 5:09 PM CDT | Special Weather Statement | DVN | Hancock, Henderson, McDonough | 2 hr |
| Aug 10, 5:15 PM CDT | Areal Flood Advisory | ILX | Logan | 4 hr |
| Aug 10, 5:20 PM CDT | Flash Flood Warning | ILX | Schuyler | 6 hr |
| Aug 10, 5:55 PM CDT | Special Weather Statement | DVN | Henderson | 65 min |
| Aug 10, 6:14 PM CDT | Special Weather Statement | DVN | Warren | 61 min |
| Aug 10, 6:15 PM CDT | Special Weather Statement | ILX | Champaign | 60 min |
| Aug 10, 6:42 PM CDT | Flash Flood Warning | DVN | Hancock, Henderson | 3 hr |
| Aug 10, 6:42 PM CDT | Special Weather Statement | ILX | Mason, Menard | 63 min |
| Aug 10, 7:02 PM CDT | Areal Flood Advisory | ILX | Cass, Mason, Menard, Morgan | 6 hr |
| Aug 10, 7:12 PM CDT | Flash Flood Warning | ILX | Champaign | 4 hr |
| Aug 10, 7:36 PM CDT | Special Weather Statement | ILX | Knox, Peoria | 54 min |
| Aug 10, 7:39 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox | 66 min |
| Aug 10, 8:00 PM CDT | Areal Flood Advisory | LSX | Adams, Brown | 3 hr |
| Aug 10, 8:16 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown | 44 min |
| Aug 10, 8:24 PM CDT | Flash Flood Warning | ILX | Fulton, Schuyler | 6 hr |
| Aug 10, 8:37 PM CDT | Areal Flood Advisory | ILX | Knox | 6 hr |
| Aug 10, 8:41 PM CDT | Flash Flood Warning | LSX | Adams, Brown | 6 hr |
| Aug 10, 9:05 PM CDT | Flash Flood Watch | DVN | Mercer, Rock Island | 6 hr |
| Aug 10, 11:26 PM CDT | Areal Flood Warning | ILX | Schuyler | 5 hr |
| Aug 11, 2:58 AM CDT | Marine Dense Fog Advisory | LOT | 5 hr | |
| Aug 11, 10:14 AM CDT | River Flood Warning | DVN | Hancock | 25 hr |
| Aug 11, 11:26 AM CDT | River Flood Warning | LSX | Adams | 12 days |
| Aug 11, 3:14 PM CDT | Excessive Heat Warning | DVN | Hancock, Henderson, Henry, McDonough, Mercer, Rock Island and 1 more | 50 hr |
| Aug 11, 3:14 PM CDT | Heat Advisory | DVN | Bureau, Carroll, Jo Daviess, Putnam, Stephenson, Whiteside | 46 hr |
| Aug 11, 3:37 PM CDT | Excessive Heat Warning | LOT | Ford, Iroquois, Livingston | 51 hr |
| Aug 11, 3:37 PM CDT | Heat Advisory | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more | 51 hr |
| Aug 12, 12:19 PM CDT | Severe Thunderstorm Warning | PAH | Franklin | 26 min |
| Aug 12, 12:22 PM CDT | Severe Thunderstorm Warning | PAH | Franklin, Jackson, Jefferson, Perry, Williamson | 38 min |
| Aug 12, 12:35 PM CDT | Areal Flood Advisory | PAH | Franklin, Hamilton, Jackson, Perry, White | 63 min |
| Aug 12, 12:44 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, White | 16 min |
| Aug 12, 12:49 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 18 min |
| Aug 12, 12:51 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more | 54 min |
| Aug 12, 1:17 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 25 min |
| Aug 12, 1:21 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 39 min |
| Aug 12, 1:34 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 41 min |
| Aug 12, 1:41 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 49 min |
| Aug 12, 1:57 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 48 min |
| Aug 12, 2:06 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 39 min |
| Aug 12, 2:10 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph | 50 min |
| Aug 12, 2:26 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 49 min |
| Aug 12, 2:49 PM CDT | Severe Thunderstorm Warning | PAH | Perry | 26 min |
| Aug 12, 3:12 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 20 min |
| Aug 12, 3:16 PM CDT | Flash Flood Warning | LSX | Monroe, Randolph, Saint Clair | 6 hr |
| Aug 12, 3:40 PM CDT | River Flood Warning | DVN | Hancock | 19 hr |
| Aug 12, 6:20 PM CDT | Areal Flood Advisory | ILX | Effingham | 4 hr |
| Aug 13, 3:42 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 24 hr |
| Aug 13, 11:48 AM CDT | Flash Flood Watch | ILX | Fulton, Knox, Marshall, Peoria, Schuyler, Stark | 16 hr |
| Aug 13, 1:54 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, Hancock, Henderson and 14 more | 66 min |
| Aug 13, 2:14 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 40 more | 7 hr |
| Aug 13, 4:44 PM CDT | Areal Flood Advisory | LOT | Boone, Winnebago | 60 min |
| Aug 13, 4:49 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry, Winnebago | 41 min |
| Aug 13, 4:55 PM CDT | Special Weather Statement | ILX | Fulton, Knox, Schuyler | 65 min |
| Aug 13, 5:03 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess, Stephenson | 42 min |
| Aug 13, 5:09 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Peoria, Stark | 66 min |
| Aug 13, 5:11 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown | 49 min |
| Aug 13, 5:22 PM CDT | Areal Flood Advisory | ILX | Schuyler | 3 hr |
| Aug 13, 5:23 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Schuyler | 67 min |
| Aug 13, 5:27 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 31 more | 63 min |
| Aug 13, 5:29 PM CDT | Severe Thunderstorm Warning | LOT | Boone, McHenry | 32 min |
| Aug 13, 5:43 PM CDT | Flash Flood Warning | LOT | Boone, Winnebago | 6 hr |
| Aug 13, 5:49 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 56 min |
| Aug 13, 5:54 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason, Peoria, Tazewell, Woodford | 51 min |
| Aug 13, 5:59 PM CDT | Special Weather Statement | ILX | Cass, Mason, Menard | 61 min |
| Aug 13, 6:00 PM CDT | Special Weather Statement | LOT | Lee | 30 min |
| Aug 13, 6:06 PM CDT | Special Weather Statement | ILX | Marshall | 39 min |
| Aug 13, 6:16 PM CDT | Special Weather Statement | LOT | DeKalb, Ogle | 29 min |
| Aug 13, 6:31 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean, Mason, Menard, Tazewell | 44 min |
| Aug 13, 6:37 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 53 min |
| Aug 13, 6:44 PM CDT | Special Weather Statement | LOT | DeKalb, Kane, Kendall, LaSalle, McHenry | 31 min |
| Aug 13, 7:08 PM CDT | Special Weather Statement | LOT | DuPage, Grundy, Kane, Kendall, McHenry | 37 min |
| Aug 13, 7:32 PM CDT | Special Weather Statement | LOT | Cook, DuPage, Kankakee, Lake, Will | 43 min |
| Aug 13, 7:34 PM CDT | Special Marine Warning | LOT | 116 min | |
| Aug 13, 8:01 PM CDT | Special Weather Statement | LOT | Cook, Kankakee, Lake, Will | 44 min |
| Aug 13, 9:08 PM CDT | River Flood Advisory | LOT | Winnebago | 60 hr |
| Aug 13, 9:34 PM CDT | Mesoscale Discussion | SPC | Calhoun, Jersey | 56 min |
| Aug 13, 10:10 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, McDonough | 65 min |
| Aug 13, 10:37 PM CDT | Flash Flood Warning | LSX | Adams | 6 hr |
| Aug 13, 11:04 PM CDT | Flash Flood Warning | DVN | Carroll, Jo Daviess | 6 hr |
| Aug 13, 11:15 PM CDT | Special Weather Statement | DVN | Hancock, Henderson, McDonough, Mercer, Warren | 60 min |
| Aug 13, 11:40 PM CDT | Special Weather Statement | ILX | Cass, Morgan, Schuyler, Scott | 65 min |
| Aug 14, 12:02 AM CDT | Areal Flood Advisory | ILX | Schuyler | 4 hr |
| Aug 14, 12:32 AM CDT | Special Weather Statement | ILX | Logan | 58 min |
| Aug 14, 12:36 AM CDT | Areal Flood Advisory | ILX | Cass, Morgan, Scott | 3 hr |
| Aug 14, 12:43 AM CDT | Special Weather Statement | ILX | Sangamon | 62 min |
| Aug 14, 2:46 AM CDT | Areal Flood Advisory | LSX | Madison | 5 hr |
| Aug 14, 3:39 AM CDT | Areal Flood Advisory | LSX | Bond, Clinton, Madison, Saint Clair, Washington | 6 hr |
| Aug 14, 4:00 AM CDT | Heat Advisory | ILX | Fulton, Knox, McLean, Marshall, Mason, Peoria and 4 more | 12 hr |
| Aug 14, 3:28 PM CDT | Heat Advisory | PAH | Alexander, Edwards, Gallatin, Hardin, Johnson, Massac and 5 more | 28 hr |
| Aug 14, 7:47 PM CDT | River Flood Advisory | LOT | Winnebago | 24 hr |
| Aug 14, 8:46 PM CDT | River Flood Warning | DVN | Hancock | 14 hr |
| Aug 15, 2:18 AM CDT | Areal Flood Advisory | PAH | Franklin, Hamilton, Jefferson, Perry, Saline | 63 min |
| Aug 15, 9:55 AM CDT | Small Craft Advisory | LOT | 12 hr | |
| Aug 15, 10:51 AM CDT | River Flood Warning | PAH | Alexander, Jackson, Union | 5 days |
| Aug 15, 10:54 AM CDT | River Flood Warning | LSX | Madison | 3 days |
| Aug 15, 2:44 PM CDT | Gale Warning | LOT | 24 hr | |
| Aug 15, 10:06 PM CDT | Small Craft Advisory | LOT | 5 hr | |
| Aug 16, 10:27 AM CDT | River Flood Warning | DVN | Hancock, Henderson | 60 hr |
| Aug 20, 2:39 AM CDT | Flash Flood Watch | LSX | Adams, Brown, Calhoun, Greene, Jersey, Pike | 25 hr |
| Aug 20, 11:35 AM CDT | Flash Flood Watch | DVN | Hancock, Henderson, Henry, McDonough, Mercer, Rock Island and 1 more | 9 hr |
| Aug 20, 11:51 AM CDT | Special Weather Statement | DVN | Henderson, Mercer, Rock Island | 54 min |
| Aug 20, 11:59 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 46 min |
| Aug 20, 12:35 PM CDT | Special Weather Statement | ILX | Knox | 55 min |
| Aug 20, 12:51 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey, Macoupin, Madison | 39 min |
| Aug 20, 1:08 PM CDT | Severe Thunderstorm Warning | LSX | Brown | 36 min |
| Aug 20, 1:12 PM CDT | Special Weather Statement | ILX | Schuyler | 48 min |
| Aug 20, 1:32 PM CDT | Special Weather Statement | ILX | Fulton | 58 min |
| Aug 20, 1:57 PM CDT | Areal Flood Advisory | ILX | Fulton | 3 hr |
| Aug 20, 1:58 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 35 more | 8 hr |
| Aug 20, 2:05 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess, Stephenson, Whiteside | 60 min |
| Aug 20, 2:08 PM CDT | Areal Flood Advisory | ILX | Knox | 3 hr |
| Aug 20, 2:16 PM CDT | Special Weather Statement | ILX | Peoria, Stark | 59 min |
| Aug 20, 2:22 PM CDT | Special Weather Statement | LOT | Ogle | 23 min |
| Aug 20, 3:28 PM CDT | Special Weather Statement | LOT | Winnebago | 32 min |
| Aug 20, 4:59 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, Henderson, McDonough | 61 min |
| Aug 20, 5:20 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 43 more | 85 min |
| Aug 20, 5:35 PM CDT | Special Weather Statement | ILX | Schuyler | 25 min |
| Aug 20, 7:20 PM CDT | Special Weather Statement | ILX | Logan | 40 min |
| Aug 20, 7:46 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Knox, LaSalle and 7 more | 59 min |
| Aug 21, 8:28 AM CDT | River Flood Advisory | LOT | Will | 11 hr |
| Aug 21, 10:05 AM CDT | Small Craft Advisory | LOT | 48 hr | |
| Aug 21, 10:38 AM CDT | Rip Current Statement | LOT | 47 hr | |
| Aug 21, 11:32 AM CDT | River Flood Warning | LSX | Calhoun, Greene, Jersey | 23 hr |
| Aug 21, 1:28 PM CDT | River Flood Warning | LSX | Madison | 56 hr |
| Aug 21, 2:10 PM CDT | River Flood Warning | PAH | Alexander, Jackson, Union | 4 days |
| Aug 21, 9:53 PM CDT | Dense Fog Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 12 hr |
| Aug 24, 3:20 AM CDT | Small Craft Advisory | LOT | 54 hr | |
| Aug 24, 3:37 AM CDT | Rip Current Statement | LOT | 54 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Henderson County30
- Schuyler County27
- Hancock County27
- LaSalle County26
- Rock Island County26
- Mercer County25
- Fulton County25
- Warren County24
- Knox County23
- McDonough County23
- Kendall County21
- Mason County21
- Henry County20
- Whiteside County20
- Will County20
- Adams County19
- Carroll County19
- Kane County18
- Lee County18
- Bureau County18
- Peoria County18
- DuPage County17
- Ogle County17
- Brown County17
- Jo Daviess County17
- Cass County17
- Stark County17
- Cook County17
- Grundy County16
- Putnam County16
- DeKalb County15
- Kankakee County15
- Winnebago County15
- Stephenson County15
- Logan County15
- Marshall County15
- Menard County15
- Tazewell County15
- Livingston County14
- Jackson County14
62 more counties
- Woodford County14
- Franklin County13
- Perry County13
- Madison County13
- Morgan County13
- Boone County12
- McHenry County12
- Alexander County12
- Saint Clair County12
- Scott County12
- Jefferson County11
- Champaign County11
- Ford County10
- Union County10
- White County10
- Williamson County10
- Calhoun County10
- Jersey County10
- McLean County10
- Vermilion County10
- Iroquois County9
- Hamilton County9
- Johnson County9
- Pulaski County9
- Greene County9
- Pike County9
- Randolph County9
- Sangamon County9
- Lake County8
- Gallatin County8
- Saline County8
- Monroe County8
- Clark County8
- DeWitt County8
- Edgar County8
- Edwards County7
- Hardin County7
- Massac County7
- Pope County7
- Wabash County7
- Macoupin County7
- Washington County7
- Christian County7
- Coles County7
- Crawford County7
- Cumberland County7
- Douglas County7
- Effingham County7
- Jasper County7
- Macon County7
- Moultrie County7
- Piatt County7
- Shelby County7
- Bond County6
- Montgomery County6
- Wayne County5
- Clinton County5
- Fayette County5
- Clay County5
- Lawrence County5
- Richland County5
- Marion County4
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.