Alert archive / Illinois / Tornado Warnings
Tornado Warnings in Illinois, 1999
130 tornado warnings in 1999. 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 1999. Tap one for its archive.
- Tornado Warnings
- 130
- Busiest month
- June65 tornado warnings
- Busiest day
- June 4, 199925 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 |
|---|---|---|---|---|
| Jan 21, 6:34 PM CST | Tornado Warning | PAH | Alexander | 46 min |
| Jan 21, 7:00 PM CST | Tornado Warning | PAH | Union | 50 min |
| Jan 21, 7:37 PM CST | Tornado Warning | PAH | Williamson | 48 min |
| Jan 21, 9:44 PM CST | Tornado Warning | PAH | Union, Williamson | 31 min |
| Jan 21, 10:20 PM CST | Tornado Warning | PAH | Franklin, Hamilton | 50 min |
| Feb 11, 1:54 PM CST | Tornado Warning | LSX | Brown | 46 min |
| Feb 11, 1:56 PM CST | Tornado Warning | LSX | Calhoun | 49 min |
| Feb 11, 2:09 PM CST | Tornado Warning | LSX | Greene | 51 min |
| Feb 11, 2:12 PM CST | Tornado Warning | LSX | Pike | 48 min |
| Feb 11, 2:17 PM CST | Tornado Warning | ILX | Scott | 28 min |
| Feb 11, 2:26 PM CST | Tornado Warning | ILX | Morgan | 34 min |
| Feb 11, 3:34 PM CST | Tornado Warning | ILX | Tazewell | 26 min |
| Feb 11, 3:53 PM CST | Tornado Warning | ILX | Woodford | 37 min |
| Feb 27, 11:51 AM CST | Tornado Warning | LSX | Madison, Saint Clair | 49 min |
| Feb 27, 12:13 PM CST | Tornado Warning | LSX | Monroe | 47 min |
| Feb 27, 12:26 PM CST | Tornado Warning | LSX | Bond, Clinton | 44 min |
| Apr 5, 6:26 PM CDT | Tornado Warning | LSX | Adams | 49 min |
| Apr 5, 6:31 PM CDT | Tornado Warning | PAH | Pope | 44 min |
| Apr 5, 7:00 PM CDT | Tornado Warning | PAH | Gallatin, Hardin, Saline | 45 min |
| Apr 8, 6:17 PM CDT | Tornado Warning | DVN | Hancock | 48 min |
| Apr 8, 6:58 PM CDT | Tornado Warning | DVN | Hancock | 47 min |
| Apr 8, 7:08 PM CDT | Tornado Warning | LSX | Adams | 47 min |
| Apr 8, 7:15 PM CDT | Tornado Warning | DVN | Henderson, McDonough, Warren | 45 min |
| Apr 8, 7:38 PM CDT | Tornado Warning | LSX | Pike | 47 min |
| Apr 8, 7:44 PM CDT | Tornado Warning | ILX | Knox | 46 min |
| Apr 8, 7:47 PM CDT | Tornado Warning | ILX | Scott | 28 min |
| Apr 8, 7:54 PM CDT | Tornado Warning | DVN | Warren | 46 min |
| Apr 8, 8:16 PM CDT | Tornado Warning | ILX | Morgan, Scott | 44 min |
| Apr 8, 8:20 PM CDT | Tornado Warning | DVN | Henry | 40 min |
| Apr 8, 8:27 PM CDT | Tornado Warning | LSX | Greene | 48 min |
| Apr 8, 8:32 PM CDT | Tornado Warning | ILX | Fulton, Knox | 28 min |
| Apr 8, 9:17 PM CDT | Tornado Warning | ILX | Menard | 28 min |
| Apr 8, 10:02 PM CDT | Tornado Warning | ILX | Christian | 28 min |
| Apr 8, 10:13 PM CDT | Tornado Warning | ILX | Macon | 32 min |
| Apr 8, 10:37 PM CDT | Tornado Warning | ILX | Piatt | 23 min |
| Apr 8, 10:47 PM CDT | Tornado Warning | ILX | Champaign | 28 min |
| Apr 8, 10:54 PM CDT | Tornado Warning | ILX | Effingham | 36 min |
| Apr 8, 11:13 PM CDT | Tornado Warning | ILX | Cumberland | 32 min |
| Apr 8, 11:15 PM CDT | Tornado Warning | ILX | Shelby | 15 min |
| Apr 8, 11:17 PM CDT | Tornado Warning | ILX | Champaign, Vermilion | 28 min |
| Apr 8, 11:30 PM CDT | Tornado Warning | ILX | Coles, Edgar | 30 min |
| Apr 8, 11:45 PM CDT | Tornado Warning | ILX | Clark, Cumberland | 30 min |
| Apr 8, 11:52 PM CDT | Tornado Warning | ILX | Edgar | 38 min |
| Apr 22, 8:59 PM CDT | Tornado Warning | DVN | Henderson | 31 min |
| Apr 22, 9:11 PM CDT | Tornado Warning | DVN | Warren | 34 min |
| Apr 22, 9:25 PM CDT | Tornado Warning | ILX | Knox | 35 min |
| Apr 22, 9:44 PM CDT | Tornado Warning | DVN | Warren | 16 min |
| Apr 22, 9:55 PM CDT | Tornado Warning | ILX | Knox | 35 min |
| Apr 22, 10:32 PM CDT | Tornado Warning | ILX | Knox | 33 min |
| May 5, 2:39 PM CDT | Tornado Warning | PAH | Williamson | 51 min |
| May 5, 6:11 PM CDT | Tornado Warning | LSX | Marion | 49 min |
| May 12, 4:01 PM CDT | Tornado Warning | DVN | Carroll | 29 min |
| May 12, 4:05 PM CDT | Tornado Warning | LOT | Ogle | 40 min |
| May 12, 4:47 PM CDT | Tornado Warning | DVN | Carroll | 33 min |
| May 12, 5:25 PM CDT | Tornado Warning | DVN | Whiteside | 35 min |
| May 12, 5:52 PM CDT | Tornado Warning | DVN | Henry | 33 min |
| May 12, 6:27 PM CDT | Tornado Warning | DVN | Whiteside | 33 min |
| May 16, 9:10 PM CDT | Tornado Warning | DVN | Jo Daviess | 35 min |
| May 17, 12:00 AM CDT | Tornado Warning | DVN | Carroll, Whiteside | 30 min |
| Jun 1, 4:43 PM CDT | Tornado Warning | LSX | Brown | 47 min |
| Jun 1, 4:49 PM CDT | Tornado Warning | DVN | Carroll | 36 min |
| Jun 1, 4:52 PM CDT | Tornado Warning | ILX | Schuyler | 23 min |
| Jun 1, 5:18 PM CDT | Tornado Warning | ILX | Schuyler | 42 min |
| Jun 1, 5:25 PM CDT | Tornado Warning | DVN | McDonough | 35 min |
| Jun 1, 5:27 PM CDT | Tornado Warning | ILX | Fulton | 63 min |
| Jun 1, 5:29 PM CDT | Tornado Warning | DVN | Warren | 31 min |
| Jun 1, 5:31 PM CDT | Tornado Warning | LSX | Brown | 49 min |
| Jun 1, 5:35 PM CDT | Tornado Warning | ILX | Knox | 55 min |
| Jun 1, 6:02 PM CDT | Tornado Warning | ILX | Cass, Mason | 58 min |
| Jun 1, 6:09 PM CDT | Tornado Warning | LSX | Pike | 51 min |
| Jun 1, 6:16 PM CDT | Tornado Warning | ILX | Peoria | 44 min |
| Jun 1, 6:41 PM CDT | Tornado Warning | ILX | Tazewell | 64 min |
| Jun 1, 6:55 PM CDT | Tornado Warning | LSX | Montgomery | 35 min |
| Jun 1, 7:01 PM CDT | Tornado Warning | ILX | Mason, Menard | 44 min |
| Jun 1, 7:09 PM CDT | Tornado Warning | ILX | Christian, Sangamon | 51 min |
| Jun 1, 7:18 PM CDT | Tornado Warning | ILX | Logan | 27 min |
| Jun 1, 7:27 PM CDT | Tornado Warning | ILX | McLean, Woodford | 48 min |
| Jun 1, 7:39 PM CDT | Tornado Warning | LSX | Macoupin | 46 min |
| Jun 1, 7:56 PM CDT | Tornado Warning | ILX | DeWitt | 49 min |
| Jun 1, 7:57 PM CDT | Tornado Warning | ILX | Macon, Shelby | 48 min |
| Jun 1, 8:07 PM CDT | Tornado Warning | LSX | Fayette | 33 min |
| Jun 1, 8:09 PM CDT | Tornado Warning | LSX | Montgomery | 36 min |
| Jun 1, 8:18 PM CDT | Tornado Warning | ILX | Effingham, Shelby | 42 min |
| Jun 1, 8:19 PM CDT | Tornado Warning | ILX | Piatt | 41 min |
| Jun 1, 8:28 PM CDT | Tornado Warning | ILX | Moultrie | 62 min |
| Jun 1, 8:35 PM CDT | Tornado Warning | ILX | Coles, Cumberland | 55 min |
| Jun 1, 8:40 PM CDT | Tornado Warning | ILX | Champaign | 65 min |
| Jun 1, 8:46 PM CDT | Tornado Warning | ILX | Douglas | 59 min |
| Jun 1, 9:13 PM CDT | Tornado Warning | ILX | Edgar, Vermilion | 47 min |
| Jun 1, 9:32 PM CDT | Tornado Warning | ILX | Clark | 43 min |
| Jun 1, 9:41 PM CDT | Tornado Warning | ILX | Crawford, Jasper | 49 min |
| Jun 1, 11:00 PM CDT | Tornado Warning | ILX | Lawrence | 30 min |
| Jun 4, 3:07 PM CDT | Tornado Warning | DVN | Henry | 33 min |
| Jun 4, 3:51 PM CDT | Tornado Warning | ILX | Marshall | 54 min |
| Jun 4, 3:52 PM CDT | Tornado Warning | DVN | McDonough | 33 min |
| Jun 4, 4:01 PM CDT | Tornado Warning | ILX | Mason, Schuyler | 59 min |
| Jun 4, 4:01 PM CDT | Tornado Warning | ILX | Tazewell, Woodford | 59 min |
| Jun 4, 4:23 PM CDT | Tornado Warning | DVN | Putnam | 32 min |
| Jun 4, 4:30 PM CDT | Tornado Warning | ILX | DeWitt, Logan, McLean, Menard | 60 min |
| Jun 4, 4:30 PM CDT | Tornado Warning | ILX | Cass | 60 min |
| Jun 4, 4:50 PM CDT | Tornado Warning | ILX | Macon, Sangamon | 55 min |
| Jun 4, 4:50 PM CDT | Tornado Warning | ILX | Morgan, Scott | 55 min |
| Jun 4, 5:11 PM CDT | Tornado Warning | ILX | Piatt | 49 min |
| Jun 4, 5:11 PM CDT | Tornado Warning | ILX | Christian | 49 min |
| Jun 4, 5:27 PM CDT | Tornado Warning | ILX | DeWitt, McLean | 33 min |
| Jun 4, 5:33 PM CDT | Tornado Warning | ILX | Champaign, Douglas, Moultrie | 57 min |
| Jun 4, 5:33 PM CDT | Tornado Warning | ILX | Shelby | 57 min |
| Jun 4, 5:35 PM CDT | Tornado Warning | LSX | Greene | 50 min |
| Jun 4, 5:47 PM CDT | Tornado Warning | ILX | Macon, Piatt | 28 min |
| Jun 4, 6:01 PM CDT | Tornado Warning | ILX | Christian | 14 min |
| Jun 4, 6:11 PM CDT | Tornado Warning | ILX | Coles | 64 min |
| Jun 4, 6:16 PM CDT | Tornado Warning | LOT | Ford, Iroquois | 14 min |
| Jun 4, 6:25 PM CDT | Tornado Warning | ILX | Champaign, Douglas | 35 min |
| Jun 4, 6:25 PM CDT | Tornado Warning | ILX | Shelby | 35 min |
| Jun 4, 6:34 PM CDT | Tornado Warning | ILX | Cumberland, Effingham | 56 min |
| Jun 4, 6:34 PM CDT | Tornado Warning | ILX | Edgar, Vermilion | 56 min |
| Jun 4, 6:43 PM CDT | Tornado Warning | ILX | Clark, Clay, Jasper | 62 min |
| Jun 4, 7:03 PM CDT | Tornado Warning | ILX | Crawford, Lawrence, Richland | 57 min |
| Jun 6, 3:13 PM CDT | Tornado Warning | DVN | Stephenson | 47 min |
| Jun 6, 4:01 PM CDT | Tornado Warning | DVN | Mercer | 49 min |
| Jun 6, 4:18 PM CDT | Tornado Warning | DVN | Warren | 37 min |
| Jun 6, 4:21 PM CDT | Tornado Warning | PAH | Pulaski | 39 min |
| Jun 12, 2:11 PM CDT | Tornado Warning | DVN | Whiteside | 34 min |
| Jun 12, 3:46 PM CDT | Tornado Warning | LOT | Iroquois | 30 min |
| Jul 1, 1:39 AM CDT | Tornado Warning | ILX | Logan, Mason | 36 min |
| Jul 9, 4:18 PM CDT | Tornado Warning | ILX | Cumberland | 42 min |
| Jul 28, 1:10 AM CDT | Tornado Warning | ILX | Stark | 20 min |
| Aug 12, 7:44 PM CDT | Tornado Warning | ILX | Mason | 46 min |
| Aug 12, 7:48 PM CDT | Tornado Warning | LSX | Brown | 47 min |
| Aug 12, 8:07 PM CDT | Tornado Warning | LSX | Pike | 48 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Warren County6
- Knox County6
- Champaign County5
- Cumberland County5
- Shelby County5
- Mason County5
- Brown County4
- Pike County4
- Scott County4
- Christian County4
- Macon County4
- Piatt County4
- Edgar County4
- Carroll County4
- Whiteside County4
- Williamson County3
- Greene County3
- Morgan County3
- Tazewell County3
- Woodford County3
- McDonough County3
- Henry County3
- Menard County3
- Effingham County3
- Vermilion County3
- Coles County3
- Clark County3
- Schuyler County3
- Logan County3
- McLean County3
- DeWitt County3
- Douglas County3
- Union County2
- Adams County2
- Hancock County2
- Henderson County2
- Fulton County2
- Cass County2
- Montgomery County2
- Sangamon County2
33 more counties
- Moultrie County2
- Crawford County2
- Jasper County2
- Lawrence County2
- Iroquois County2
- Alexander County1
- Franklin County1
- Hamilton County1
- Calhoun County1
- Madison County1
- Saint Clair County1
- Monroe County1
- Bond County1
- Clinton County1
- Pope County1
- Gallatin County1
- Hardin County1
- Saline County1
- Marion County1
- Ogle County1
- Jo Daviess County1
- Peoria County1
- Macoupin County1
- Fayette County1
- Marshall County1
- Putnam County1
- Ford County1
- Clay County1
- Richland County1
- Stephenson County1
- Mercer County1
- Pulaski County1
- Stark County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19982000
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.