Alert archive / Illinois / Flood Watches
Flood Watches in Illinois, 2018
10 flood watches in 2018. 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 2018. Tap one for its archive.
- Flood Watches
- 10
- Busiest month
- February7 flood watches
- Busiest day
- February 20, 20184 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 |
|---|---|---|---|---|
| Feb 18, 8:00 PM CST | Flood Watch | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 55 hr |
| Feb 20, 3:25 AM CST | Flood Watch | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 29 more | 27 hr |
| Feb 20, 9:37 AM CST | Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 6 hr |
| Feb 20, 2:59 PM CST | Flood Watch | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 15 hr |
| Feb 20, 3:08 PM CST | Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 5 days |
| Feb 22, 3:24 PM CST | Flood Watch | LSX | Bond, Clinton, Fayette, Madison, Marion, Monroe and 3 more | 52 hr |
| Feb 23, 2:35 PM CST | Flood Watch | ILX | Clark, Clay, Coles, Crawford, Cumberland, Edgar and 5 more | 33 hr |
| Mar 25, 3:16 PM CDT | Flood Watch | LSX | Bond, Clinton, Fayette, Jersey, Macoupin, Madison and 6 more | 54 hr |
| Mar 26, 2:56 AM CDT | Flood Watch | ILX | Champaign, Christian, Clark, Clay, Coles, Crawford and 12 more | 46 hr |
| Oct 30, 4:05 AM CDT | Flood Watch | PAH | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 3 more | 56 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clark County3
- Clay County3
- Coles County3
- Crawford County3
- Cumberland County3
- Edgar County3
- Effingham County3
- Jasper County3
- Lawrence County3
- Richland County3
- Shelby County3
- Bond County3
- Clinton County3
- Fayette County3
- Madison County3
- Marion County3
- Monroe County3
- Randolph County3
- Saint Clair County3
- Washington County3
- Champaign County2
- Christian County2
- Douglas County2
- Macon County2
- Moultrie County2
- Piatt County2
- Vermilion County2
- Jersey County2
- Macoupin County2
- Montgomery County2
- Alexander County2
- Gallatin County2
- Hardin County2
- Johnson County2
- Massac County2
- Pope County2
- Pulaski County2
- Saline County2
- White County2
- Boone County1
57 more counties
- DeKalb County1
- DuPage County1
- Ford County1
- Grundy County1
- Iroquois County1
- Kane County1
- Kankakee County1
- Kendall County1
- Lake County1
- LaSalle County1
- Lee County1
- Livingston County1
- McHenry County1
- Ogle County1
- Winnebago County1
- Cass County1
- DeWitt County1
- Fulton County1
- Knox County1
- Logan County1
- McLean County1
- Marshall County1
- Mason County1
- Menard County1
- Morgan County1
- Peoria County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Stark County1
- Tazewell County1
- Woodford County1
- Bureau County1
- Carroll County1
- Hancock County1
- Henderson County1
- Henry County1
- Jo Daviess County1
- McDonough County1
- Mercer County1
- Putnam County1
- Rock Island County1
- Stephenson County1
- Warren County1
- Whiteside County1
- Calhoun County1
- Greene County1
- Edwards County1
- Franklin County1
- Hamilton County1
- Jackson County1
- Jefferson County1
- Perry County1
- Union County1
- Wabash County1
- Wayne County1
- Williamson County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.