Alert archive / Illinois / Tornado Warnings
Tornado Warnings in Illinois, 2011
214 tornado warnings in 2011. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of tornado warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Tornado Warnings
- 214
- Busiest month
- May78 tornado warnings
- Busiest day
- May 25, 201147 tornado warnings
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 8:02 PM CST | Tornado Warning | LSX | Pike | 28 min |
| Feb 27, 10:47 PM CST | Tornado Warning | LSX | Monroe, Saint Clair | 43 min |
| Feb 27, 11:18 PM CST | Tornado Warning | LSX | Madison, Monroe, Saint Clair | 42 min |
| Feb 27, 11:43 PM CST | Tornado Warning | LSX | Bond, Clinton, Fayette, Madison, Saint Clair, Washington | 47 min |
| Feb 28, 12:07 AM CST | Tornado Warning | LSX | Bond, Clinton, Fayette, Marion, Washington | 38 min |
| Feb 28, 12:14 AM CST | Tornado Warning | PAH | Jefferson | 46 min |
| Feb 28, 12:38 AM CST | Tornado Warning | PAH | Franklin, Jefferson, Perry | 37 min |
| Feb 28, 12:46 AM CST | Tornado Warning | PAH | Hamilton, Wayne, White | 44 min |
| Feb 28, 12:53 AM CST | Tornado Warning | PAH | Wayne | 37 min |
| Feb 28, 1:12 AM CST | Tornado Warning | PAH | Edwards, Wabash | 33 min |
| Feb 28, 1:18 AM CST | Tornado Warning | ILX | Richland | 14 min |
| Feb 28, 1:32 AM CST | Tornado Warning | PAH | Jackson, Union | 43 min |
| Feb 28, 1:35 AM CST | Tornado Warning | PAH | Wabash | 40 min |
| Mar 4, 4:40 PM CST | Tornado Warning | LSX | Calhoun, Greene, Pike | 51 min |
| Apr 4, 10:32 AM CDT | Tornado Warning | PAH | Massac, Pope | 28 min |
| Apr 4, 10:47 AM CDT | Tornado Warning | PAH | Massac, Pope | 28 min |
| Apr 15, 4:47 PM CDT | Tornado Warning | PAH | Alexander | 19 min |
| Apr 15, 4:54 PM CDT | Tornado Warning | LSX | Macoupin | 38 min |
| Apr 15, 4:56 PM CDT | Tornado Warning | LSX | Montgomery | 34 min |
| Apr 15, 4:59 PM CDT | Tornado Warning | ILX | Sangamon | 46 min |
| Apr 15, 5:01 PM CDT | Tornado Warning | PAH | Jackson | 29 min |
| Apr 15, 5:06 PM CDT | Tornado Warning | ILX | Mason, Menard | 39 min |
| Apr 15, 5:10 PM CDT | Tornado Warning | LSX | Madison, Saint Clair | 35 min |
| Apr 15, 5:17 PM CDT | Tornado Warning | ILX | Sangamon | 43 min |
| Apr 15, 5:28 PM CDT | Tornado Warning | ILX | Morgan, Sangamon | 47 min |
| Apr 15, 5:40 PM CDT | Tornado Warning | ILX | Fulton, Mason, Tazewell | 50 min |
| Apr 15, 5:42 PM CDT | Tornado Warning | ILX | Logan, Menard, Sangamon | 48 min |
| Apr 15, 5:52 PM CDT | Tornado Warning | ILX | Mason, Menard | 17 min |
| Apr 15, 6:00 PM CDT | Tornado Warning | ILX | Sangamon | 45 min |
| Apr 15, 6:27 PM CDT | Tornado Warning | ILX | Logan, Mason, Menard, Sangamon | 48 min |
| Apr 19, 3:59 PM CDT | Tornado Warning | LSX | Pike | 46 min |
| Apr 19, 4:18 PM CDT | Tornado Warning | LSX | Calhoun, Greene, Pike | 42 min |
| Apr 19, 4:31 PM CDT | Tornado Warning | LSX | Calhoun | 44 min |
| Apr 19, 4:59 PM CDT | Tornado Warning | LSX | Greene, Pike | 46 min |
| Apr 19, 5:36 PM CDT | Tornado Warning | LSX | Macoupin | 39 min |
| Apr 19, 6:01 PM CDT | Tornado Warning | LSX | Montgomery | 44 min |
| Apr 19, 6:05 PM CDT | Tornado Warning | LSX | Macoupin, Montgomery | 40 min |
| Apr 19, 6:12 PM CDT | Tornado Warning | ILX | Christian, Sangamon | 36 min |
| Apr 19, 6:22 PM CDT | Tornado Warning | ILX | Christian | 25 min |
| Apr 19, 6:29 PM CDT | Tornado Warning | ILX | Christian, Shelby | 46 min |
| Apr 19, 6:31 PM CDT | Tornado Warning | LSX | Montgomery | 27 min |
| Apr 19, 6:45 PM CDT | Tornado Warning | ILX | Christian | 21 min |
| Apr 19, 6:52 PM CDT | Tornado Warning | ILX | Shelby | 38 min |
| Apr 19, 6:54 PM CDT | Tornado Warning | ILX | Macon, Piatt | 36 min |
| Apr 19, 7:00 PM CDT | Tornado Warning | ILX | Coles, Douglas, Moultrie, Piatt, Shelby | 45 min |
| Apr 19, 7:15 PM CDT | Tornado Warning | ILX | Shelby | 45 min |
| Apr 19, 7:17 PM CDT | Tornado Warning | ILX | Champaign, Piatt | 28 min |
| Apr 19, 7:26 PM CDT | Tornado Warning | ILX | Champaign, Coles, Douglas | 34 min |
| Apr 19, 7:30 PM CDT | Tornado Warning | LSX | Madison, Saint Clair | 45 min |
| Apr 19, 7:34 PM CDT | Tornado Warning | LSX | Randolph | 41 min |
| Apr 19, 7:37 PM CDT | Tornado Warning | LSX | Monroe | 36 min |
| Apr 19, 7:51 PM CDT | Tornado Warning | LSX | Saint Clair | 39 min |
| Apr 19, 7:54 PM CDT | Tornado Warning | LSX | Randolph | 36 min |
| Apr 19, 8:00 PM CDT | Tornado Warning | LSX | Bond, Clinton, Madison | 45 min |
| Apr 19, 8:10 PM CDT | Tornado Warning | ILX | Vermilion | 20 min |
| Apr 19, 8:14 PM CDT | Tornado Warning | PAH | Jackson, Union | 31 min |
| Apr 19, 8:18 PM CDT | Tornado Warning | LSX | Randolph, Saint Clair, Washington | 42 min |
| Apr 19, 8:26 PM CDT | Tornado Warning | PAH | Jackson, Perry | 18 min |
| Apr 19, 8:33 PM CDT | Tornado Warning | LSX | Fayette | 42 min |
| Apr 19, 8:33 PM CDT | Tornado Warning | LSX | Bond, Clinton, Fayette, Marion, Washington | 57 min |
| Apr 19, 8:52 PM CDT | Tornado Warning | ILX | Effingham, Shelby | 38 min |
| Apr 19, 8:53 PM CDT | Tornado Warning | PAH | Jefferson, Perry, Wayne | 37 min |
| Apr 19, 9:13 PM CDT | Tornado Warning | PAH | Hamilton, White | 32 min |
| Apr 19, 9:26 PM CDT | Tornado Warning | PAH | Wayne | 23 min |
| Apr 19, 9:29 PM CDT | Tornado Warning | PAH | White | 31 min |
| Apr 19, 9:30 PM CDT | Tornado Warning | PAH | Alexander, Jackson | 30 min |
| Apr 19, 9:35 PM CDT | Tornado Warning | PAH | Edwards, Wabash, Wayne | 25 min |
| Apr 19, 9:39 PM CDT | Tornado Warning | PAH | Alexander | 36 min |
| Apr 19, 9:46 PM CDT | Tornado Warning | ILX | Crawford, Jasper, Lawrence, Richland | 44 min |
| Apr 19, 9:54 PM CDT | Tornado Warning | PAH | Alexander, Pulaski, Union | 20 min |
| Apr 22, 6:55 PM CDT | Tornado Warning | LSX | Calhoun | 50 min |
| Apr 22, 7:59 PM CDT | Tornado Warning | LSX | Madison, Saint Clair | 46 min |
| Apr 22, 8:21 PM CDT | Tornado Warning | LSX | Monroe, Saint Clair | 39 min |
| Apr 22, 8:33 PM CDT | Tornado Warning | LSX | Madison, Saint Clair | 42 min |
| Apr 22, 8:48 PM CDT | Tornado Warning | LSX | Monroe, Saint Clair | 57 min |
| Apr 22, 8:55 PM CDT | Tornado Warning | LSX | Bond, Clinton, Fayette, Madison, Saint Clair | 50 min |
| Apr 22, 9:24 PM CDT | Tornado Warning | LSX | Clinton, Washington | 36 min |
| Apr 22, 9:38 PM CDT | Tornado Warning | PAH | Massac, Pope, Pulaski | 35 min |
| Apr 22, 9:41 PM CDT | Tornado Warning | LSX | Bond, Fayette, Marion | 22 min |
| Apr 22, 10:31 PM CDT | Tornado Warning | LSX | Monroe, Randolph, Saint Clair | 44 min |
| Apr 23, 2:20 PM CDT | Tornado Warning | PAH | Alexander, Massac, Pulaski | 25 min |
| Apr 23, 2:50 PM CDT | Tornado Warning | PAH | Massac, Pope | 25 min |
| Apr 25, 6:41 PM CDT | Tornado Warning | PAH | Jackson | 34 min |
| Apr 26, 5:38 PM CDT | Tornado Warning | PAH | Alexander | 11 min |
| Apr 27, 3:59 PM CDT | Tornado Warning | PAH | Alexander | 31 min |
| Apr 27, 4:16 PM CDT | Tornado Warning | PAH | Jackson, Union | 29 min |
| Apr 27, 4:25 PM CDT | Tornado Warning | PAH | Alexander, Pulaski, Union | 35 min |
| Apr 27, 4:44 PM CDT | Tornado Warning | PAH | Jackson, Union | 31 min |
| Apr 27, 4:56 PM CDT | Tornado Warning | PAH | Franklin, Johnson, Pulaski, Union, Williamson | 49 min |
| Apr 27, 5:35 PM CDT | Tornado Warning | PAH | Pope, Saline | 16 min |
| May 7, 4:06 PM CDT | Tornado Warning | ILX | Champaign, Vermilion | 39 min |
| May 7, 4:06 PM CDT | Tornado Warning | LOT | Ford, Iroquois | 39 min |
| May 7, 4:44 PM CDT | Tornado Warning | ILX | Vermilion | 46 min |
| May 7, 5:12 PM CDT | Tornado Warning | ILX | Champaign | 31 min |
| May 7, 6:03 PM CDT | Tornado Warning | ILX | Edgar, Vermilion | 42 min |
| May 7, 6:24 PM CDT | Tornado Warning | ILX | Edgar | 51 min |
| May 7, 6:57 PM CDT | Tornado Warning | ILX | Edgar | 25 min |
| May 12, 4:58 PM CDT | Tornado Warning | LOT | McHenry | 32 min |
| May 12, 5:25 PM CDT | Tornado Warning | LOT | McHenry | 20 min |
| May 13, 12:35 PM CDT | Tornado Warning | LOT | Grundy, Kankakee, Will | 40 min |
| May 13, 1:30 PM CDT | Tornado Warning | LOT | DeKalb | 45 min |
| May 13, 5:35 PM CDT | Tornado Warning | LSX | Randolph | 25 min |
| May 22, 6:37 PM CDT | Tornado Warning | LOT | Boone, DeKalb, Ogle, Winnebago | 38 min |
| May 22, 6:54 PM CDT | Tornado Warning | LOT | Boone, DeKalb, McHenry | 51 min |
| May 22, 7:28 PM CDT | Tornado Warning | ILX | Knox, Peoria, Stark | 21 min |
| May 22, 7:51 PM CDT | Tornado Warning | LSX | Calhoun, Jersey | 39 min |
| May 22, 8:24 PM CDT | Tornado Warning | DVN | Henry, Rock Island | 51 min |
| May 23, 3:57 PM CDT | Tornado Warning | PAH | Jackson, Union | 33 min |
| May 23, 4:12 PM CDT | Tornado Warning | PAH | Jackson | 33 min |
| May 25, 4:39 AM CDT | Tornado Warning | LSX | Calhoun, Greene, Jersey | 22 min |
| May 25, 7:57 AM CDT | Tornado Warning | ILX | Piatt | 13 min |
| May 25, 8:59 AM CDT | Tornado Warning | LOT | Iroquois | 21 min |
| May 25, 1:05 PM CDT | Tornado Warning | LSX | Fayette | 16 min |
| May 25, 1:10 PM CDT | Tornado Warning | ILX | Effingham, Shelby | 31 min |
| May 25, 2:49 PM CDT | Tornado Warning | LSX | Monroe | 32 min |
| May 25, 2:54 PM CDT | Tornado Warning | LSX | Adams, Pike | 51 min |
| May 25, 2:55 PM CDT | Tornado Warning | LSX | Calhoun, Pike | 50 min |
| May 25, 3:29 PM CDT | Tornado Warning | LSX | Calhoun, Greene, Jersey | 46 min |
| May 25, 3:30 PM CDT | Tornado Warning | LSX | Monroe | 33 min |
| May 25, 3:34 PM CDT | Tornado Warning | LSX | Adams, Pike | 41 min |
| May 25, 3:36 PM CDT | Tornado Warning | LSX | Jersey, Macoupin, Madison | 29 min |
| May 25, 3:37 PM CDT | Tornado Warning | LSX | Adams, Pike | 25 min |
| May 25, 3:43 PM CDT | Tornado Warning | LSX | Calhoun, Greene, Pike | 47 min |
| May 25, 3:47 PM CDT | Tornado Warning | ILX | Cass, Morgan, Scott | 43 min |
| May 25, 4:11 PM CDT | Tornado Warning | LSX | Madison, Monroe, Saint Clair | 49 min |
| May 25, 4:17 PM CDT | Tornado Warning | ILX | Christian, Sangamon | 25 min |
| May 25, 4:23 PM CDT | Tornado Warning | LSX | Monroe, Randolph, Saint Clair | 52 min |
| May 25, 4:35 PM CDT | Tornado Warning | DVN | Hancock | 40 min |
| May 25, 4:51 PM CDT | Tornado Warning | LSX | Monroe | 39 min |
| May 25, 4:56 PM CDT | Tornado Warning | LSX | Macoupin, Madison | 49 min |
| May 25, 5:05 PM CDT | Tornado Warning | PAH | Perry | 25 min |
| May 25, 5:08 PM CDT | Tornado Warning | LSX | Clinton, Madison, Saint Clair, Washington | 52 min |
| May 25, 5:11 PM CDT | Tornado Warning | DVN | Mercer | 23 min |
| May 25, 5:12 PM CDT | Tornado Warning | LSX | Randolph, Saint Clair | 48 min |
| May 25, 5:13 PM CDT | Tornado Warning | ILX | Christian, Shelby | 32 min |
| May 25, 5:27 PM CDT | Tornado Warning | PAH | Jefferson | 48 min |
| May 25, 5:34 PM CDT | Tornado Warning | LSX | Bond, Clinton, Fayette, Madison, Marion, Montgomery | 41 min |
| May 25, 5:46 PM CDT | Tornado Warning | LSX | Clinton, Randolph, Saint Clair, Washington | 44 min |
| May 25, 5:51 PM CDT | Tornado Warning | ILX | DeWitt, McLean | 24 min |
| May 25, 5:51 PM CDT | Tornado Warning | LSX | Randolph | 29 min |
| May 25, 5:54 PM CDT | Tornado Warning | PAH | Johnson, Pope | 36 min |
| May 25, 6:04 PM CDT | Tornado Warning | PAH | Jackson, Perry | 41 min |
| May 25, 6:05 PM CDT | Tornado Warning | PAH | Gallatin, Pope, Saline, Williamson | 25 min |
| May 25, 6:08 PM CDT | Tornado Warning | PAH | Alexander | 37 min |
| May 25, 6:12 PM CDT | Tornado Warning | ILX | McLean | 40 min |
| May 25, 6:18 PM CDT | Tornado Warning | PAH | Union | 27 min |
| May 25, 6:23 PM CDT | Tornado Warning | LSX | Clinton, Marion, Washington | 34 min |
| May 25, 6:25 PM CDT | Tornado Warning | PAH | Gallatin, Hamilton, Saline, White | 50 min |
| May 25, 6:27 PM CDT | Tornado Warning | LOT | LaSalle, Livingston | 24 min |
| May 25, 6:35 PM CDT | Tornado Warning | PAH | Franklin, Jefferson, Williamson | 40 min |
| May 25, 6:41 PM CDT | Tornado Warning | PAH | Jackson, Perry | 22 min |
| May 25, 6:43 PM CDT | Tornado Warning | PAH | Alexander, Johnson, Massac, Pulaski, Union | 32 min |
| May 25, 6:48 PM CDT | Tornado Warning | LSX | Fayette, Marion | 26 min |
| May 25, 6:53 PM CDT | Tornado Warning | ILX | Champaign, Piatt | 37 min |
| May 25, 6:57 PM CDT | Tornado Warning | PAH | White | 33 min |
| May 25, 6:59 PM CDT | Tornado Warning | PAH | Hamilton, Saline, Wayne | 46 min |
| May 25, 7:01 PM CDT | Tornado Warning | ILX | Clay, Effingham, Jasper, Richland | 29 min |
| May 25, 7:02 PM CDT | Tornado Warning | PAH | Johnson, Massac, Pope | 28 min |
| May 25, 7:08 PM CDT | Tornado Warning | ILX | Champaign, Vermilion | 52 min |
| May 25, 7:08 PM CDT | Tornado Warning | PAH | Edwards, Wabash, Wayne, White | 37 min |
| May 25, 7:11 PM CDT | Tornado Warning | ILX | Champaign, Clark, Coles, Crawford, Cumberland, Douglas and 3 more | 49 min |
| May 25, 7:24 PM CDT | Tornado Warning | ILX | Clay, Crawford, Jasper, Lawrence, Richland | 51 min |
| May 25, 7:27 PM CDT | Tornado Warning | PAH | Gallatin, White | 33 min |
| May 25, 7:41 PM CDT | Tornado Warning | PAH | Wabash | 34 min |
| May 25, 7:53 PM CDT | Tornado Warning | ILX | Vermilion | 37 min |
| May 25, 7:56 PM CDT | Tornado Warning | ILX | Clark, Edgar, Vermilion | 34 min |
| May 29, 12:32 PM CDT | Tornado Warning | LOT | Grundy, Kankakee, Livingston, Will | 43 min |
| May 29, 1:16 PM CDT | Tornado Warning | LOT | Kankakee | 44 min |
| Jun 9, 5:09 PM CDT | Tornado Warning | LOT | Ford, Iroquois | 39 min |
| Jun 9, 5:36 PM CDT | Tornado Warning | ILX | Champaign, Vermilion | 39 min |
| Jun 10, 5:49 PM CDT | Tornado Warning | LSX | Adams | 41 min |
| Jun 10, 6:30 PM CDT | Tornado Warning | LSX | Adams | 30 min |
| Jun 10, 6:38 PM CDT | Tornado Warning | ILX | Schuyler | 67 min |
| Jun 10, 7:15 PM CDT | Tornado Warning | ILX | Cass, Fulton, Mason, Schuyler | 45 min |
| Jun 10, 11:20 PM CDT | Tornado Warning | LSX | Bond, Clinton, Fayette, Marion | 23 min |
| Jun 15, 3:45 PM CDT | Tornado Warning | ILX | Clark, Coles, Cumberland | 31 min |
| Jun 15, 3:48 PM CDT | Tornado Warning | ILX | Cumberland | 42 min |
| Jun 15, 4:20 PM CDT | Tornado Warning | ILX | Clark, Crawford, Cumberland, Jasper | 40 min |
| Jun 15, 6:28 PM CDT | Tornado Warning | LOT | Cook | 32 min |
| Jun 15, 6:54 PM CDT | Tornado Warning | LOT | Kankakee | 51 min |
| Jun 15, 8:16 PM CDT | Tornado Warning | DVN | Henry, Rock Island, Whiteside | 22 min |
| Jun 18, 5:30 AM CDT | Tornado Warning | LSX | Calhoun, Greene, Jersey, Madison, Pike | 19 min |
| Jun 18, 6:21 AM CDT | Tornado Warning | LSX | Clinton, Monroe, Randolph, Saint Clair, Washington | 39 min |
| Jun 19, 2:56 AM CDT | Tornado Warning | LSX | Monroe, Randolph | 34 min |
| Jun 19, 3:28 AM CDT | Tornado Warning | PAH | Perry | 32 min |
| Jun 19, 4:11 AM CDT | Tornado Warning | PAH | Franklin, Hamilton, Jefferson | 16 min |
| Jun 21, 4:40 PM CDT | Tornado Warning | LSX | Fayette, Marion | 31 min |
| Jun 21, 7:27 PM CDT | Tornado Warning | LOT | LaSalle, Livingston | 33 min |
| Jun 21, 7:57 PM CDT | Tornado Warning | LOT | Cook, DeKalb, DuPage, Grundy, Kane, Kendall and 1 more | 63 min |
| Jun 21, 8:06 PM CDT | Tornado Warning | PAH | Franklin, Hamilton, Jefferson, Wayne | 39 min |
| Jun 21, 8:38 PM CDT | Tornado Warning | LOT | Cook, DuPage, Lake | 52 min |
| Jun 27, 1:08 AM CDT | Tornado Warning | LSX | Adams, Calhoun, Pike | 37 min |
| Jun 27, 1:43 AM CDT | Tornado Warning | LSX | Adams, Calhoun, Greene, Pike | 32 min |
| Jun 27, 12:15 PM CDT | Tornado Warning | PAH | Pope | 17 min |
| Jul 7, 7:07 PM CDT | Tornado Warning | LSX | Monroe, Randolph | 23 min |
| Jul 12, 4:44 PM CDT | Tornado Warning | LSX | Greene, Macoupin, Pike | 46 min |
| Jul 27, 7:35 PM CDT | Tornado Warning | DVN | Jo Daviess | 40 min |
| Jul 27, 7:51 PM CDT | Tornado Warning | DVN | Jo Daviess, Stephenson | 39 min |
| Jul 27, 9:16 PM CDT | Tornado Warning | DVN | Carroll, Jo Daviess | 31 min |
| Aug 2, 8:45 PM CDT | Tornado Warning | LOT | DeKalb, Lee, Ogle | 34 min |
| Aug 8, 5:29 PM CDT | Tornado Warning | ILX | Marshall, Stark, Woodford | 46 min |
| Aug 8, 7:28 PM CDT | Tornado Warning | ILX | McLean | 18 min |
| Aug 8, 7:29 PM CDT | Tornado Warning | LOT | Ford, Iroquois, Livingston | 34 min |
| Aug 8, 8:24 PM CDT | Tornado Warning | ILX | Champaign, Vermilion | 51 min |
| Aug 12, 5:29 PM CDT | Tornado Warning | LOT | Ogle | 46 min |
| Aug 12, 5:39 PM CDT | Tornado Warning | DVN | Stephenson | 26 min |
| Nov 14, 3:42 AM CST | Tornado Warning | ILX | Moultrie | 15 min |
| Nov 14, 3:56 AM CST | Tornado Warning | ILX | Coles | 24 min |
| Nov 14, 12:01 PM CST | Tornado Warning | LOT | Ford, Iroquois | 44 min |
| Nov 14, 1:06 PM CST | Tornado Warning | ILX | Champaign, Vermilion | 39 min |
| Nov 14, 1:45 PM CST | Tornado Warning | ILX | Vermilion | 30 min |
| Nov 14, 3:18 PM CST | Tornado Warning | PAH | Wayne | 27 min |
| Nov 14, 4:05 PM CST | Tornado Warning | ILX | Lawrence, Richland | 40 min |
| Nov 14, 4:33 PM CST | Tornado Warning | PAH | Edwards, Wabash, Wayne | 14 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saint Clair County19
- Pike County14
- Monroe County14
- Madison County14
- Clinton County12
- Jackson County12
- Calhoun County12
- Randolph County12
- Vermilion County12
- Fayette County11
- Wayne County10
- Union County10
- Alexander County10
- Champaign County10
- Washington County9
- Greene County9
- Pope County9
- Bond County8
- Marion County8
- Sangamon County8
- Jefferson County7
- Perry County7
- White County7
- Massac County7
- Shelby County7
- Adams County7
- Hamilton County6
- Wabash County6
- Macoupin County6
- Christian County6
- Pulaski County6
- Franklin County5
- Richland County5
- Montgomery County5
- Mason County5
- Piatt County5
- Coles County5
- Jasper County5
- Iroquois County5
- Edgar County5
55 more counties
- DeKalb County5
- Jersey County5
- Edwards County4
- Menard County4
- Crawford County4
- Johnson County4
- Saline County4
- Ford County4
- Kankakee County4
- Livingston County4
- Clark County4
- Cumberland County4
- Douglas County3
- Effingham County3
- Lawrence County3
- Williamson County3
- McHenry County3
- Grundy County3
- Will County3
- Ogle County3
- McLean County3
- Gallatin County3
- Cook County3
- Jo Daviess County3
- Morgan County2
- Fulton County2
- Logan County2
- Moultrie County2
- Boone County2
- Stark County2
- Henry County2
- Rock Island County2
- Cass County2
- LaSalle County2
- Clay County2
- Schuyler County2
- DuPage County2
- Stephenson County2
- Tazewell County1
- Macon County1
- Winnebago County1
- Knox County1
- Peoria County1
- Scott County1
- Hancock County1
- Mercer County1
- DeWitt County1
- Whiteside County1
- Kane County1
- Kendall County1
- Lake County1
- Carroll County1
- Lee County1
- Marshall County1
- Woodford County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.