Alert archive / Illinois / Severe Thunderstorm Warnings / 2018
Severe Thunderstorm Warnings in Illinois, July 2018
59 severe thunderstorm warnings in July 2018. 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in July 2018. Tap one for its archive.
- Severe Thunderstorm Warnings
- 59
- Busiest day
- July 14, 201822 severe thunderstorm warnings
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 |
|---|---|---|---|---|
| Jun 30, 8:00 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 45 min |
| Jul 1, 6:03 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Macoupin, Madison, Montgomery | 42 min |
| Jul 1, 7:18 PM CDT | Severe Thunderstorm Warning | ILX | Shelby | 57 min |
| Jul 4, 9:11 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Will | 28 min |
| Jul 5, 1:30 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 30 min |
| Jul 5, 1:48 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Will | 42 min |
| Jul 5, 5:51 PM CDT | Severe Thunderstorm Warning | ILX | Cumberland | 19 min |
| Jul 5, 5:58 PM CDT | Severe Thunderstorm Warning | ILX | Jasper | 37 min |
| Jul 5, 6:31 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Jasper, Richland | 31 min |
| Jul 5, 6:48 PM CDT | Severe Thunderstorm Warning | ILX | Lawrence | 24 min |
| Jul 5, 8:05 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 25 min |
| Jul 13, 5:37 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island | 38 min |
| Jul 13, 6:01 PM CDT | Severe Thunderstorm Warning | DVN | Rock Island, Whiteside | 44 min |
| Jul 13, 6:15 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess, Stephenson | 60 min |
| Jul 13, 6:55 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess, Stephenson | 65 min |
| Jul 13, 7:04 PM CDT | Severe Thunderstorm Warning | LOT | Ogle, Winnebago | 56 min |
| Jul 14, 9:17 AM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois | 43 min |
| Jul 14, 9:21 AM CDT | Severe Thunderstorm Warning | ILX | Champaign, McLean, Vermilion | 39 min |
| Jul 14, 9:51 AM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 39 min |
| Jul 14, 9:58 AM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 32 min |
| Jul 14, 1:55 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham | 50 min |
| Jul 14, 2:09 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Crawford, Cumberland, Jasper | 51 min |
| Jul 14, 2:10 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 35 min |
| Jul 14, 2:37 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham, Jasper, Richland | 38 min |
| Jul 14, 2:53 PM CDT | Severe Thunderstorm Warning | PAH | Wayne | 37 min |
| Jul 14, 3:11 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 49 min |
| Jul 14, 3:23 PM CDT | Severe Thunderstorm Warning | ILX | Crawford, Jasper, Lawrence, Richland | 52 min |
| Jul 14, 3:49 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 41 min |
| Jul 14, 4:11 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Schuyler | 33 min |
| Jul 14, 4:23 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Madison, Montgomery | 52 min |
| Jul 14, 4:25 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard, Morgan, Sangamon | 50 min |
| Jul 14, 4:29 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey, Macoupin | 46 min |
| Jul 14, 4:41 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason, Menard, Morgan, Sangamon | 44 min |
| Jul 14, 5:12 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Macoupin, Montgomery | 39 min |
| Jul 14, 5:17 PM CDT | Severe Thunderstorm Warning | PAH | White | 14 min |
| Jul 14, 5:18 PM CDT | Severe Thunderstorm Warning | LSX | Clinton | 57 min |
| Jul 14, 5:44 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Monroe, Saint Clair | 46 min |
| Jul 14, 8:15 PM CDT | Severe Thunderstorm Warning | PAH | Perry | 30 min |
| Jul 15, 12:27 PM CDT | Severe Thunderstorm Warning | PAH | Massac, Pope | 33 min |
| Jul 15, 4:52 PM CDT | Severe Thunderstorm Warning | PAH | Alexander | 23 min |
| Jul 19, 7:00 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 45 min |
| Jul 19, 7:04 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 56 min |
| Jul 19, 7:31 PM CDT | Severe Thunderstorm Warning | DVN | Carroll | 44 min |
| Jul 19, 7:35 PM CDT | Severe Thunderstorm Warning | LOT | Ogle | 55 min |
| Jul 19, 7:53 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 67 min |
| Jul 19, 7:56 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Pike | 64 min |
| Jul 19, 7:57 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Stephenson | 24 min |
| Jul 19, 8:32 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 43 min |
| Jul 19, 8:54 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Pike | 66 min |
| Jul 19, 8:58 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Pike | 62 min |
| Jul 19, 9:13 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 22 min |
| Jul 19, 9:38 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey | 52 min |
| Jul 19, 9:41 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Pike | 49 min |
| Jul 19, 10:19 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey, Macoupin, Madison | 41 min |
| Jul 19, 10:46 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 44 min |
| Jul 19, 11:23 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 52 min |
| Jul 20, 12:21 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Marion | 39 min |
| Jul 29, 3:25 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 50 min |
| Jul 29, 4:24 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 51 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pike County6
- Macoupin County5
- Madison County5
- Jasper County5
- Greene County5
- Carroll County4
- Jersey County4
- Adams County4
- Jo Daviess County3
- Montgomery County3
- Cook County3
- DuPage County3
- Clay County3
- Richland County3
- Stephenson County3
- Calhoun County3
- Shelby County2
- Will County2
- Cumberland County2
- Lawrence County2
- Rock Island County2
- Ogle County2
- Iroquois County2
- Vermilion County2
- Effingham County2
- Crawford County2
- Saint Clair County2
- Cass County2
- Menard County2
- Morgan County2
- Sangamon County2
- Clinton County2
- Monroe County2
- Scott County2
- Christian County2
- Bond County1
- Jefferson County1
- Whiteside County1
- Winnebago County1
- Ford County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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. Warning verification from the Mesonet's Cow. Rebuilt daily.