Alert archive / Illinois / Severe Thunderstorm Warnings / 2019
Severe Thunderstorm Warnings in Illinois, September 2019
51 severe thunderstorm warnings in September 2019. 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 September 2019. Tap one for its archive.
- Severe Thunderstorm Warnings
- 51
- Busiest day
- September 27, 201918 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 |
|---|---|---|---|---|
| Sep 3, 5:41 AM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess, Stephenson | 34 min |
| Sep 3, 6:10 AM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess, Stephenson | 35 min |
| Sep 3, 6:30 AM CDT | Severe Thunderstorm Warning | LOT | Ogle, Winnebago | 30 min |
| Sep 3, 7:24 AM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Lee, Ogle | 51 min |
| Sep 10, 1:20 AM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess | 27 min |
| Sep 10, 1:46 AM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess, Stephenson | 44 min |
| Sep 10, 1:52 AM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 41 min |
| Sep 11, 9:30 PM CDT | Severe Thunderstorm Warning | LOT | Lake, McHenry | 49 min |
| Sep 11, 10:21 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Kane, Lake, McHenry | 33 min |
| Sep 12, 3:06 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Lee | 54 min |
| Sep 12, 11:28 PM CDT | Severe Thunderstorm Warning | LOT | Lee, Ogle | 47 min |
| Sep 12, 11:58 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Lee, Ogle | 62 min |
| Sep 13, 12:52 AM CDT | Severe Thunderstorm Warning | LOT | DuPage, Kane | 25 min |
| Sep 27, 1:23 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell, Woodford | 37 min |
| Sep 27, 1:56 PM CDT | Severe Thunderstorm Warning | ILX | Peoria | 34 min |
| Sep 27, 3:15 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, LaSalle, Livingston | 30 min |
| Sep 27, 4:05 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Tazewell, Woodford | 25 min |
| Sep 27, 5:10 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, Henderson | 26 min |
| Sep 27, 5:34 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Warren | 41 min |
| Sep 27, 5:37 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 53 min |
| Sep 27, 5:51 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 39 min |
| Sep 27, 6:07 PM CDT | Severe Thunderstorm Warning | DVN | Bureau | 23 min |
| Sep 27, 6:11 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee, Will | 34 min |
| Sep 27, 6:12 PM CDT | Severe Thunderstorm Warning | DVN | Warren | 33 min |
| Sep 27, 6:19 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox | 41 min |
| Sep 27, 6:20 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Mercer, Warren | 40 min |
| Sep 27, 6:30 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 45 min |
| Sep 27, 6:42 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee, Will | 36 min |
| Sep 27, 6:48 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 42 min |
| Sep 27, 6:53 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 52 min |
| Sep 27, 6:55 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Peoria, Stark | 50 min |
| Sep 27, 7:09 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Stark | 51 min |
| Sep 27, 7:24 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, McDonough, Warren | 51 min |
| Sep 27, 7:37 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Peoria, Woodford | 38 min |
| Sep 27, 7:53 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 52 min |
| Sep 27, 8:00 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kendall, LaSalle | 30 min |
| Sep 27, 8:11 PM CDT | Severe Thunderstorm Warning | ILX | Marshall | 19 min |
| Sep 27, 8:39 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell, Woodford | 36 min |
| Sep 27, 8:41 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 16 min |
| Sep 27, 8:45 PM CDT | Severe Thunderstorm Warning | ILX | Schuyler | 32 min |
| Sep 27, 8:53 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Peoria, Tazewell | 37 min |
| Sep 27, 10:14 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 46 min |
| Sep 27, 11:36 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 39 min |
| Sep 27, 11:52 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Livingston | 53 min |
| Sep 29, 2:42 PM CDT | Severe Thunderstorm Warning | DVN | McDonough | 20 min |
| Sep 29, 4:55 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Piatt | 50 min |
| Sep 29, 5:06 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, McLean | 39 min |
| Sep 29, 5:24 PM CDT | Severe Thunderstorm Warning | ILX | Champaign | 51 min |
| Sep 29, 5:45 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, DeWitt, McLean, Piatt | 45 min |
| Sep 29, 6:24 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 44 min |
| Sep 29, 7:04 PM CDT | Severe Thunderstorm Warning | ILX | Macon, Piatt | 41 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Peoria County6
- Hancock County6
- Jo Daviess County5
- Ogle County4
- Lee County4
- Tazewell County4
- Woodford County4
- Warren County4
- Stephenson County3
- DeKalb County3
- LaSalle County3
- Marshall County3
- Henderson County3
- Fulton County3
- Knox County3
- McLean County3
- DeWitt County3
- Piatt County3
- Champaign County3
- Carroll County2
- Lake County2
- McHenry County2
- Kane County2
- Grundy County2
- Livingston County2
- Bureau County2
- Kankakee County2
- Will County2
- Stark County2
- McDonough County2
- Winnebago County1
- Cook County1
- DuPage County1
- Mercer County1
- Kendall County1
- Schuyler County1
- Adams County1
- Brown County1
- Pike County1
- Ford County1
2 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.