Alert archive / Illinois / Flood Watches
Flood Watches in Illinois, 2020
13 flood watches in 2020. 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 flood watches reaches back to 2005.
Flood Watches by county
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Flood Watches
- 13
- Busiest month
- April6 flood watches
- Busiest day
- April 25, 20205 flood watches
Over time
By month
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 |
|---|---|---|---|---|
| Jan 8, 2:58 PM CST | Flood Watch | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 26 more | 69 hr |
| Jan 9, 3:39 AM CST | Flood Watch | LOT | DuPage, Ford, Grundy, Iroquois, Kankakee, Kendall and 1 more | 55 hr |
| Jan 16, 2:57 PM CST | Flood Watch | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 9 more | 39 hr |
| Jan 16, 3:21 PM CST | Flood Watch | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 19 more | 43 hr |
| Apr 25, 1:44 AM CDT | Flood Watch | DVN | McDonough, Warren | 13 hr |
| Apr 25, 1:52 AM CDT | Flood Watch | ILX | Cass, Fulton, Knox, Logan, McLean, Marshall and 10 more | 23 hr |
| Apr 25, 2:34 AM CDT | Flood Watch | LSX | Brown, Greene, Macoupin, Pike | 17 hr |
| Apr 25, 3:09 AM CDT | Flood Watch | LOT | LaSalle, Livingston | 19 hr |
| Apr 25, 2:15 PM CDT | Flood Watch | DVN | Bureau, Putnam | 6 hr |
| Apr 29, 3:55 AM CDT | Flood Watch | LOT | Boone, Cook, DeKalb, DuPage, Kane, Kendall and 3 more | 26 hr |
| Oct 28, 2:25 AM CDT | Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 32 hr |
| Oct 28, 2:45 PM CDT | Flood Watch | ILX | Lawrence, Richland | 19 hr |
| Oct 28, 3:01 PM CDT | Flood Watch | LSX | Randolph | 19 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cass County3
- Lawrence County3
- Logan County3
- Menard County3
- Morgan County3
- Richland County3
- Sangamon County3
- Scott County3
- Champaign County2
- Christian County2
- Clark County2
- Clay County2
- Coles County2
- Crawford County2
- Cumberland County2
- DeWitt County2
- Douglas County2
- Edgar County2
- Effingham County2
- Fulton County2
- Jasper County2
- McLean County2
- Macon County2
- Mason County2
- Moultrie County2
- Peoria County2
- Piatt County2
- Schuyler County2
- Shelby County2
- Tazewell County2
- Vermilion County2
- Woodford County2
- DuPage County2
- Kendall County2
- Livingston County2
- Greene County2
- Macoupin County2
- Pike County2
- Randolph County2
- Ford County1
49 more counties
- Grundy County1
- Iroquois County1
- Kankakee County1
- Bond County1
- Calhoun County1
- Clinton County1
- Fayette County1
- Jersey County1
- Madison County1
- Marion County1
- Monroe County1
- Montgomery County1
- Saint Clair County1
- Washington County1
- McDonough County1
- Warren County1
- Knox County1
- Marshall County1
- Stark County1
- Brown County1
- LaSalle County1
- Bureau County1
- Putnam County1
- Boone County1
- Cook County1
- DeKalb County1
- Kane County1
- Lake County1
- McHenry County1
- Will County1
- 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
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.