Alert archive / Illinois / Severe Thunderstorm Warnings / 2021
Severe Thunderstorm Warnings in Illinois, June 2021
113 severe thunderstorm warnings in June 2021. 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 June 2021. Tap one for its archive.
- Severe Thunderstorm Warnings
- 113
- Busiest day
- June 19, 202135 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 11, 2:33 PM CDT | Severe Thunderstorm Warning | DVN | Hancock, Henderson | 20 min |
| Jun 11, 3:17 PM CDT | Severe Thunderstorm Warning | LOT | Ogle | 43 min |
| Jun 11, 3:36 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Lee | 54 min |
| Jun 12, 1:52 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 68 min |
| Jun 12, 2:26 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 41 min |
| Jun 12, 2:55 PM CDT | Severe Thunderstorm Warning | LOT | DuPage, Kane, Kendall, Will | 65 min |
| Jun 12, 3:26 PM CDT | Severe Thunderstorm Warning | LOT | Kane, Kendall, Will | 47 min |
| Jun 12, 5:11 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Livingston | 64 min |
| Jun 12, 5:30 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois | 45 min |
| Jun 12, 5:56 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 33 min |
| Jun 12, 6:11 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 18 min |
| Jun 12, 6:37 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 38 min |
| Jun 12, 6:41 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 38 min |
| Jun 12, 6:43 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 47 min |
| Jun 12, 7:13 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 26 min |
| Jun 12, 7:24 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Coles, Douglas, Edgar | 47 min |
| Jun 12, 8:26 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland | 16 min |
| Jun 12, 9:19 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, White | 26 min |
| Jun 12, 10:22 PM CDT | Severe Thunderstorm Warning | PAH | Gallatin, Hardin | 23 min |
| Jun 12, 10:43 PM CDT | Severe Thunderstorm Warning | PAH | Hardin, Pope | 47 min |
| Jun 12, 11:22 PM CDT | Severe Thunderstorm Warning | PAH | Massac, Pope | 38 min |
| Jun 13, 12:02 AM CDT | Severe Thunderstorm Warning | PAH | Massac, Pope | 43 min |
| Jun 18, 8:22 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 38 min |
| Jun 18, 8:43 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Sangamon | 47 min |
| Jun 18, 9:44 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Cumberland | 46 min |
| Jun 18, 10:17 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Mercer | 58 min |
| Jun 18, 10:24 PM CDT | Severe Thunderstorm Warning | ILX | Knox, Peoria | 36 min |
| Jun 18, 10:32 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Crawford | 25 min |
| Jun 18, 10:45 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Mercer, Warren | 48 min |
| Jun 18, 11:02 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Warren | 43 min |
| Jun 18, 11:06 PM CDT | Severe Thunderstorm Warning | ILX | Knox | 39 min |
| Jun 18, 11:29 PM CDT | Severe Thunderstorm Warning | ILX | Clark | 46 min |
| Jun 18, 11:36 PM CDT | Severe Thunderstorm Warning | DVN | Henderson, Warren | 40 min |
| Jun 18, 11:47 PM CDT | Severe Thunderstorm Warning | ILX | Fulton, Knox, Peoria | 43 min |
| Jun 19, 12:13 AM CDT | Severe Thunderstorm Warning | ILX | Fulton, Mason, Peoria, Tazewell | 47 min |
| Jun 19, 12:52 AM CDT | Severe Thunderstorm Warning | ILX | Logan, McLean, Mason, Tazewell | 38 min |
| Jun 19, 1:19 AM CDT | Severe Thunderstorm Warning | ILX | Logan, McLean, Tazewell | 41 min |
| Jun 19, 1:23 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 52 min |
| Jun 19, 1:59 AM CDT | Severe Thunderstorm Warning | ILX | Edgar | 46 min |
| Jun 19, 2:19 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 41 min |
| Jun 19, 4:33 AM CDT | Severe Thunderstorm Warning | DVN | Hancock | 57 min |
| Jun 19, 5:44 AM CDT | Severe Thunderstorm Warning | LSX | Marion | 18 min |
| Jun 19, 7:06 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Sangamon | 24 min |
| Jun 19, 7:29 AM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Shelby | 31 min |
| Jun 19, 10:19 AM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 41 min |
| Jun 19, 10:45 AM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 45 min |
| Jun 19, 2:15 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey | 31 min |
| Jun 19, 2:44 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey | 32 min |
| Jun 19, 2:52 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 38 min |
| Jun 19, 2:55 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey | 50 min |
| Jun 19, 3:21 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Pike | 25 min |
| Jun 19, 3:31 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 44 min |
| Jun 19, 4:16 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey, Madison | 44 min |
| Jun 19, 4:43 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 47 min |
| Jun 19, 5:17 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 43 min |
| Jun 19, 5:25 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 35 min |
| Jun 19, 6:00 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 45 min |
| Jun 19, 7:12 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 48 min |
| Jun 19, 7:31 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 44 min |
| Jun 20, 8:04 PM CDT | Severe Thunderstorm Warning | DVN | Hancock | 41 min |
| Jun 20, 8:19 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess | 41 min |
| Jun 20, 8:39 PM CDT | Severe Thunderstorm Warning | LOT | Winnebago | 21 min |
| Jun 20, 8:53 PM CDT | Severe Thunderstorm Warning | DVN | Carroll, Jo Daviess, Stephenson | 67 min |
| Jun 20, 9:02 PM CDT | Severe Thunderstorm Warning | LOT | Ogle | 58 min |
| Jun 20, 9:17 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 43 min |
| Jun 20, 9:59 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 46 min |
| Jun 20, 10:12 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb | 33 min |
| Jun 20, 10:22 PM CDT | Severe Thunderstorm Warning | LOT | Kane | 53 min |
| Jun 20, 10:23 PM CDT | Severe Thunderstorm Warning | DVN | McDonough | 22 min |
| Jun 20, 10:36 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 34 min |
| Jun 20, 10:40 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 50 min |
| Jun 20, 10:50 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, Grundy, Kane, Kendall, LaSalle | 55 min |
| Jun 20, 10:56 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Will | 79 min |
| Jun 20, 11:30 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 30 min |
| Jun 20, 11:41 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee, Will | 79 min |
| Jun 24, 8:09 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 51 min |
| Jun 24, 8:11 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 49 min |
| Jun 24, 8:42 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 47 min |
| Jun 24, 11:29 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Pike | 46 min |
| Jun 25, 12:17 AM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Calhoun, Pike | 43 min |
| Jun 25, 12:33 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Morgan, Schuyler, Scott | 72 min |
| Jun 25, 12:57 AM CDT | Severe Thunderstorm Warning | LSX | Brown, Calhoun, Greene, Jersey, Pike | 48 min |
| Jun 25, 1:21 AM CDT | Severe Thunderstorm Warning | ILX | Cass, Mason, Menard, Morgan, Sangamon | 42 min |
| Jun 25, 1:24 AM CDT | Severe Thunderstorm Warning | DVN | Bureau, Putnam | 51 min |
| Jun 25, 7:15 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Pike | 45 min |
| Jun 25, 7:21 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Mason, Tazewell | 39 min |
| Jun 25, 7:38 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Scott | 67 min |
| Jun 25, 7:53 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, Logan, McLean, Tazewell | 67 min |
| Jun 25, 8:16 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Menard, Morgan, Sangamon | 44 min |
| Jun 25, 8:49 PM CDT | Severe Thunderstorm Warning | ILX | DeWitt, McLean, Macon, Piatt | 41 min |
| Jun 25, 9:05 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Mason, Menard, Tazewell | 25 min |
| Jun 25, 10:18 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Coles, DeWitt, Douglas, Macon, Moultrie and 1 more | 27 min |
| Jun 26, 12:34 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 41 min |
| Jun 26, 12:59 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 11 min |
| Jun 26, 1:26 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Will | 34 min |
| Jun 26, 2:09 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 51 min |
| Jun 26, 3:33 PM CDT | Severe Thunderstorm Warning | ILX | Logan | 27 min |
| Jun 26, 4:13 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Livingston | 47 min |
| Jun 26, 4:43 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, DeWitt, McLean, Piatt | 32 min |
| Jun 26, 4:49 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Kankakee, Will | 56 min |
| Jun 26, 5:16 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, DeWitt, McLean, Piatt | 44 min |
| Jun 26, 5:21 PM CDT | Severe Thunderstorm Warning | LOT | Will | 54 min |
| Jun 26, 5:44 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 76 min |
| Jun 26, 5:50 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 40 min |
| Jun 26, 6:24 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Douglas, Edgar, Vermilion | 81 min |
| Jun 27, 6:47 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Pike | 43 min |
| Jun 28, 1:59 PM CDT | Severe Thunderstorm Warning | LOT | Kendall, Will | 61 min |
| Jun 28, 2:43 PM CDT | Severe Thunderstorm Warning | LOT | Cook | 40 min |
| Jun 28, 3:54 PM CDT | Severe Thunderstorm Warning | LSX | Fayette, Montgomery | 38 min |
| Jun 29, 1:58 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 47 min |
| Jun 29, 2:41 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 38 min |
| Jun 29, 3:26 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 49 min |
| Jun 29, 4:58 PM CDT | Severe Thunderstorm Warning | LOT | Kankakee | 21 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Calhoun County13
- Cook County9
- Will County9
- McLean County8
- Greene County8
- Pike County8
- Champaign County7
- Sangamon County7
- Iroquois County6
- Vermilion County6
- Tazewell County6
- Logan County6
- Morgan County6
- Jersey County6
- Henderson County5
- DuPage County5
- Piatt County5
- Mason County5
- DeWitt County5
- Kane County4
- Kendall County4
- Ford County4
- Christian County4
- Montgomery County4
- Macon County4
- Hancock County3
- DeKalb County3
- Coles County3
- Douglas County3
- Edgar County3
- Pope County3
- Clark County3
- Knox County3
- Peoria County3
- Warren County3
- Fulton County3
- Adams County3
- Kankakee County3
- Cass County3
- Menard County3
30 more counties
- Ogle County2
- Livingston County2
- Shelby County2
- Fayette County2
- Cumberland County2
- Gallatin County2
- Hardin County2
- Massac County2
- Mercer County2
- Macoupin County2
- Saint Clair County2
- Monroe County2
- Carroll County2
- Jo Daviess County2
- Brown County2
- Scott County2
- Lee County1
- White County1
- Crawford County1
- Marion County1
- Madison County1
- Winnebago County1
- Stephenson County1
- McDonough County1
- Grundy County1
- LaSalle County1
- Schuyler County1
- Bureau County1
- Putnam County1
- Moultrie County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.