Alert archive / Illinois / Flash Flood Warnings / 2021
Flash Flood Warnings in Illinois, June 2021
23 flash flood 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 flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in June 2021. Tap one for its archive.
- Flash Flood Warnings
- 23
- Busiest day
- June 26, 20219 flash flood 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 3, 8:10 AM CDT | Flash Flood Warning | PAH | Franklin, Hamilton, Saline, Williamson | 110 min |
| Jun 9, 9:35 PM CDT | Flash Flood Warning | DVN | Carroll | 3 hr |
| Jun 12, 6:21 PM CDT | Flash Flood Warning | ILX | Champaign, Vermilion | 78 min |
| Jun 12, 10:53 PM CDT | Flash Flood Warning | PAH | Gallatin, Hardin, White | 3 hr |
| Jun 19, 12:26 AM CDT | Flash Flood Warning | ILX | Clark | 6 hr |
| Jun 19, 12:28 AM CDT | Flash Flood Warning | ILX | Fulton, Knox | 5 hr |
| Jun 19, 1:53 AM CDT | Flash Flood Warning | ILX | Coles, Douglas, Edgar | 5 hr |
| Jun 19, 3:29 AM CDT | Flash Flood Warning | ILX | Champaign, Douglas, Edgar, Vermilion | 3 hr |
| Jun 19, 4:10 PM CDT | Flash Flood Warning | LSX | Calhoun | 6 hr |
| Jun 19, 4:35 PM CDT | Flash Flood Warning | LSX | Calhoun, Greene, Jersey | 6 hr |
| Jun 25, 1:42 AM CDT | Flash Flood Warning | ILX | Knox, Marshall, Stark | 6 hr |
| Jun 25, 1:44 AM CDT | Flash Flood Warning | DVN | Bureau, Henry | 6 hr |
| Jun 25, 7:32 PM CDT | Flash Flood Warning | LSX | Adams, Pike | 6 hr |
| Jun 25, 8:54 PM CDT | Flash Flood Warning | ILX | DeWitt, Logan, McLean, Mason, Tazewell | 6 hr |
| Jun 25, 9:29 PM CDT | Flash Flood Warning | LSX | Calhoun, Greene, Jersey | 6 hr |
| Jun 25, 9:47 PM CDT | Flash Flood Warning | ILX | Morgan, Scott | 6 hr |
| Jun 25, 9:59 PM CDT | Flash Flood Warning | ILX | DeWitt, McLean, Piatt | 5 hr |
| Jun 26, 12:18 PM CDT | Flash Flood Warning | LOT | Cook, DuPage, Will | 6 hr |
| Jun 26, 3:25 PM CDT | Flash Flood Warning | ILX | DeWitt, Logan, McLean, Macon, Mason, Menard and 3 more | 4 hr |
| Jun 26, 3:50 PM CDT | Flash Flood Warning | LOT | Cook, Grundy, Kankakee, Will | 6 hr |
| Jun 26, 3:57 PM CDT | Flash Flood Warning | LOT | Ford, Grundy, Iroquois, Kankakee, Livingston | 6 hr |
| Jun 28, 12:20 PM CDT | Flash Flood Warning | DVN | Hancock | 5 hr |
| Jun 30, 5:20 PM CDT | Flash Flood Warning | LSX | Adams | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Calhoun County3
- DeWitt County3
- McLean County3
- Champaign County2
- Vermilion County2
- Knox County2
- Douglas County2
- Edgar County2
- Greene County2
- Jersey County2
- Adams County2
- Logan County2
- Mason County2
- Tazewell County2
- Cook County2
- Will County2
- Grundy County2
- Kankakee County2
- Franklin County1
- Hamilton County1
- Saline County1
- Williamson County1
- Carroll County1
- Gallatin County1
- Hardin County1
- White County1
- Clark County1
- Fulton County1
- Coles County1
- Marshall County1
- Stark County1
- Bureau County1
- Henry County1
- Pike County1
- Morgan County1
- Scott County1
- Piatt County1
- DuPage County1
- Macon County1
- Menard 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.