Alert archive / Illinois / Flash Flood Watches / 2019
Flash Flood Watches in Illinois, May 2019
18 flash flood watches in May 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 flash flood watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in May 2019. Tap one for its archive.
- Flash Flood Watches
- 18
- Busiest day
- May 28, 20194 flash flood watches
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 |
|---|---|---|---|---|
| May 1, 2:11 PM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, McDonough and 6 more | 19 hr |
| May 1, 2:14 PM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 27 hr |
| May 2, 10:49 AM CDT | Flash Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 21 hr |
| May 2, 7:16 PM CDT | Flash Flood Watch | ILX | Sangamon | 4 hr |
| May 18, 2:40 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 24 hr |
| May 21, 3:37 AM CDT | Flash Flood Watch | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more | 19 hr |
| May 21, 3:40 AM CDT | Flash Flood Watch | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 20 hr |
| May 21, 3:47 AM CDT | Flash Flood Watch | ILX | Cass, Christian, DeWitt, Fulton, Knox, Logan and 16 more | 21 hr |
| May 22, 1:53 PM CDT | Flash Flood Watch | LSX | Adams | 14 hr |
| May 24, 3:33 AM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more | 22 hr |
| May 24, 3:46 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 23 hr |
| May 25, 3:49 AM CDT | Flash Flood Watch | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more | 27 hr |
| May 25, 11:29 PM CDT | Flash Flood Watch | LSX | Adams, Brown | 10 hr |
| May 28, 3:28 AM CDT | Flash Flood Watch | LSX | Adams, Brown, Pike | 41 hr |
| May 28, 3:42 AM CDT | Flash Flood Watch | ILX | Cass, Fulton, Knox, Logan, McLean, Marshall and 10 more | 27 hr |
| May 28, 3:45 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 25 hr |
| May 28, 4:01 AM CDT | Flash Flood Watch | LOT | DeKalb, Ford, Grundy, Iroquois, Kankakee, Kendall and 5 more | 24 hr |
| May 29, 3:08 PM CDT | Flash Flood Watch | DVN | Carroll, Hancock, Henderson, Henry, McDonough, Mercer and 3 more | 12 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Hancock County7
- Henderson County7
- Henry County7
- McDonough County7
- Mercer County7
- Rock Island County7
- Warren County7
- Bureau County6
- Putnam County6
- Carroll County5
- Whiteside County5
- Stephenson County4
- Adams County4
- DeKalb County3
- Grundy County3
- Kendall County3
- LaSalle County3
- Lee County3
- Ogle County3
- Winnebago County3
- Sangamon County3
- Jo Daviess County3
- Brown County3
- Boone County2
- DuPage County2
- Ford County2
- Iroquois County2
- Kane County2
- Kankakee County2
- Lake County2
- Livingston County2
- McHenry County2
- Pike County2
- Cass County2
- Fulton County2
- Knox County2
- Logan County2
- McLean County2
- Marshall County2
- Mason County2
47 more counties
- Menard County2
- Morgan County2
- Peoria County2
- Schuyler County2
- Scott County2
- Stark County2
- Tazewell County2
- Woodford County2
- Alexander County1
- Edwards County1
- Franklin County1
- Gallatin County1
- Hamilton County1
- Hardin County1
- Jackson County1
- Jefferson County1
- Johnson County1
- Massac County1
- Perry County1
- Pope County1
- Pulaski County1
- Saline County1
- Union County1
- Wabash County1
- Wayne County1
- White County1
- Williamson County1
- Bond County1
- Calhoun County1
- Clinton County1
- Fayette County1
- Greene County1
- Jersey County1
- Macoupin County1
- Madison County1
- Marion County1
- Monroe County1
- Montgomery County1
- Randolph County1
- Saint Clair County1
- Washington County1
- Christian County1
- DeWitt County1
- Macon County1
- Moultrie County1
- Piatt County1
- Shelby County1
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.