Alert archive / Illinois / Flash Flood Warnings / 2017
Flash Flood Warnings in Illinois, July 2017
19 flash flood warnings in July 2017. 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 July 2017. Tap one for its archive.
- Flash Flood Warnings
- 19
- Busiest day
- July 22, 20176 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 |
|---|---|---|---|---|
| Jul 5, 10:10 PM CDT | Flash Flood Warning | LSX | Macoupin | 8 hr |
| Jul 10, 8:19 PM CDT | Flash Flood Warning | DVN | McDonough, Warren | 6 hr |
| Jul 10, 8:41 PM CDT | Flash Flood Warning | DVN | Hancock | 6 hr |
| Jul 10, 8:48 PM CDT | Flash Flood Warning | ILX | Fulton | 3 hr |
| Jul 11, 10:44 PM CDT | Flash Flood Warning | LOT | Cook, DuPage, Kane, Lake, McHenry | 16 hr |
| Jul 12, 1:29 AM CDT | Flash Flood Warning | LOT | Lake, McHenry | 10 hr |
| Jul 12, 10:14 AM CDT | Flash Flood Warning | LOT | Cook, DuPage, Kane, Kendall, Will | 6 hr |
| Jul 12, 10:57 AM CDT | Flash Flood Warning | LOT | Lake, McHenry | 3 hr |
| Jul 13, 9:05 PM CDT | Flash Flood Warning | PAH | Hamilton, White | 115 min |
| Jul 16, 6:17 AM CDT | Flash Flood Warning | ILX | Fulton, Knox, Peoria | 6 hr |
| Jul 21, 7:36 PM CDT | Flash Flood Warning | LOT | Ogle | 6 hr |
| Jul 21, 7:51 PM CDT | Flash Flood Warning | DVN | Jo Daviess, Stephenson | 6 hr |
| Jul 21, 8:33 PM CDT | Flash Flood Warning | LOT | Boone, McHenry, Winnebago | 6 hr |
| Jul 21, 9:06 PM CDT | Flash Flood Warning | DVN | Carroll, Whiteside | 4 hr |
| Jul 22, 12:37 AM CDT | Flash Flood Warning | DVN | Carroll | 6 hr |
| Jul 22, 1:45 AM CDT | Flash Flood Warning | DVN | Jo Daviess | 6 hr |
| Jul 26, 7:57 PM CDT | Flash Flood Warning | DVN | Carroll, Jo Daviess, Stephenson, Whiteside | 6 hr |
| Jul 27, 4:42 AM CDT | Flash Flood Warning | LSX | Bond, Fayette, Madison | 6 hr |
| Jul 27, 5:12 AM CDT | Flash Flood Warning | LSX | Clinton, Fayette, Marion | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- McHenry County4
- Lake County3
- Jo Daviess County3
- Carroll County3
- Fulton County2
- Cook County2
- DuPage County2
- Kane County2
- Stephenson County2
- Whiteside County2
- Fayette County2
- Macoupin County1
- McDonough County1
- Warren County1
- Hancock County1
- Kendall County1
- Will County1
- Hamilton County1
- White County1
- Knox County1
- Peoria County1
- Ogle County1
- Boone County1
- Winnebago County1
- Bond County1
- Madison County1
- Clinton County1
- Marion County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.