Alert archive / Illinois / Tornado Warnings / 2023
Tornado Warnings in Illinois, July 2023
21 tornado warnings in July 2023. 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 July 2023. Tap one for its archive.
- Tornado Warnings
- 21
- Busiest day
- July 12, 20238 tornado 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 |
|---|---|---|---|---|
| Jul 1, 4:41 PM CDT | Tornado Warning | PAH | Franklin, Hamilton, Saline | 18 min |
| Jul 1, 4:54 PM CDT | Tornado Warning | LSX | Washington | 20 min |
| Jul 2, 3:21 PM CDT | Tornado Warning | PAH | Massac | 9 min |
| Jul 12, 5:37 PM CDT | Tornado Warning | LOT | DuPage, Kane, Kendall, Will | 23 min |
| Jul 12, 6:10 PM CDT | Tornado Warning | LOT | Cook | 20 min |
| Jul 12, 6:13 PM CDT | Tornado Warning | LOT | McHenry | 32 min |
| Jul 12, 6:18 PM CDT | Tornado Warning | LOT | Kane | 27 min |
| Jul 12, 6:20 PM CDT | Tornado Warning | LOT | Cook | 23 min |
| Jul 12, 6:31 PM CDT | Tornado Warning | LOT | Cook, DuPage | 29 min |
| Jul 12, 6:35 PM CDT | Tornado Warning | LOT | Lake | 25 min |
| Jul 12, 6:51 PM CDT | Tornado Warning | LOT | Cook, DuPage | 24 min |
| Jul 12, 7:00 PM CDT | Tornado Warning | LOT | Cook | 32 min |
| Jul 13, 6:45 PM CDT | Tornado Warning | LOT | Boone, McHenry | 45 min |
| Jul 13, 7:34 PM CDT | Tornado Warning | LOT | McHenry | 26 min |
| Jul 14, 9:02 PM CDT | Tornado Warning | LOT | DuPage, Kane | 23 min |
| Jul 18, 12:35 PM CDT | Tornado Warning | PAH | Alexander, Pulaski | 25 min |
| Jul 18, 12:49 PM CDT | Tornado Warning | PAH | Johnson, Massac, Pope, Pulaski | 26 min |
| Jul 28, 7:48 PM CDT | Tornado Warning | DVN | Jo Daviess | 27 min |
| Jul 28, 8:35 PM CDT | Tornado Warning | DVN | Carroll, Jo Daviess | 40 min |
| Jul 28, 9:10 PM CDT | Tornado Warning | DVN | Carroll, Whiteside | 35 min |
| Jul 28, 11:24 PM CDT | Tornado Warning | LOT | Kankakee, Will | 21 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County5
- DuPage County4
- Kane County3
- McHenry County3
- Massac County2
- Will County2
- Pulaski County2
- Jo Daviess County2
- Carroll County2
- Franklin County1
- Hamilton County1
- Saline County1
- Washington County1
- Kendall County1
- Lake County1
- Boone County1
- Alexander County1
- Johnson County1
- Pope County1
- Whiteside County1
- Kankakee County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
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.