Alert archive / Illinois / Flash Flood Watches
Flash Flood Watches in Illinois, 2010
59 flash flood watches in 2010. 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 2010. Tap one for its archive.
- Flash Flood Watches
- 59
- Busiest month
- June22 flash flood watches
- Busiest day
- May 12, 20103 flash 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 23, 4:05 PM CST | Flash Flood Watch | LSX | Clinton, Fayette, Marion, Randolph, Washington | 8 hr |
| Apr 5, 2:02 PM CDT | Flash Flood Watch | DVN | Carroll, Jo Daviess, Rock Island, Stephenson, Whiteside | 18 hr |
| Apr 24, 11:05 AM CDT | Flash Flood Watch | LSX | Adams | 14 hr |
| Apr 24, 3:48 PM CDT | Flash Flood Watch | DVN | Hancock, McDonough | 11 hr |
| Apr 29, 3:42 PM CDT | Flash Flood Watch | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 3 days |
| Apr 30, 2:40 PM CDT | Flash Flood Watch | ILX | Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more | 37 hr |
| May 1, 3:54 AM CDT | Flash Flood Watch | LSX | Bond, Clinton, Fayette, Marion, Monroe, Randolph and 2 more | 23 hr |
| May 10, 3:09 PM CDT | Flash Flood Watch | DVN | Hancock, Henderson, Henry, McDonough, Mercer, Rock Island and 2 more | 13 hr |
| May 10, 3:42 PM CDT | Flash Flood Watch | LSX | Adams | 12 hr |
| May 12, 3:03 AM CDT | Flash Flood Watch | ILX | Cass, Fulton, Knox, Logan, McLean, Marshall and 10 more | 36 hr |
| May 12, 3:47 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 32 hr |
| May 12, 4:49 AM CDT | Flash Flood Watch | LSX | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 1 more | 35 hr |
| May 17, 8:38 AM CDT | Flash Flood Watch | ILX | Sangamon | 46 hr |
| May 25, 3:08 PM CDT | Flash Flood Watch | DVN | Carroll, Jo Daviess, Mercer, Rock Island, Stephenson | 24 hr |
| Jun 1, 3:33 PM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 23 hr |
| Jun 1, 3:46 PM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 23 hr |
| Jun 1, 9:53 PM CDT | Flash Flood Watch | ILX | Cass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more | 17 hr |
| Jun 4, 2:25 PM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 32 hr |
| Jun 4, 3:16 PM CDT | Flash Flood Watch | ILX | Fulton, Knox, McLean, Marshall, Peoria, Stark and 2 more | 34 hr |
| Jun 4, 4:36 PM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 32 hr |
| Jun 6, 2:58 PM CDT | Flash Flood Watch | LSX | Adams, Brown, Calhoun, Greene, Jersey, Madison and 3 more | 61 hr |
| Jun 7, 3:52 AM CDT | Flash Flood Watch | DVN | Hancock, Henderson, Henry, McDonough, Mercer, Rock Island and 1 more | 40 hr |
| Jun 7, 3:17 PM CDT | Flash Flood Watch | ILX | Fulton, Knox, Peoria, Schuyler, Stark | 29 hr |
| Jun 11, 4:01 AM CDT | Flash Flood Watch | LSX | Clinton, Marion, Monroe, Randolph, Saint Clair, Washington | 12 hr |
| Jun 12, 9:39 AM CDT | Flash Flood Watch | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 4 more | 11 hr |
| Jun 13, 4:05 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 32 hr |
| Jun 13, 4:34 AM CDT | Flash Flood Watch | LSX | Adams | 32 hr |
| Jun 15, 9:51 AM CDT | Flash Flood Watch | ILX | Champaign, Clark, Coles, Cumberland, Douglas, Edgar and 4 more | 10 hr |
| Jun 15, 11:16 AM CDT | Flash Flood Watch | LOT | Ford, Iroquois, Kankakee, Livingston | 9 hr |
| Jun 15, 8:08 PM CDT | Flash Flood Watch | ILX | Sangamon | 19 hr |
| Jun 18, 5:47 PM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 9 hr |
| Jun 19, 3:26 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 60 hr |
| Jun 21, 3:48 AM CDT | Flash Flood Watch | ILX | Fulton, Knox, Marshall, Mason, Peoria, Schuyler and 3 more | 11 hr |
| Jun 21, 7:16 PM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 49 hr |
| Jun 22, 9:01 PM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 25 hr |
| Jun 23, 11:06 AM CDT | Flash Flood Watch | ILX | Cass, Champaign, Christian, Clark, Coles, Cumberland and 23 more | 14 hr |
| Jul 5, 3:30 PM CDT | Flash Flood Watch | DVN | Hancock, Henderson | 14 hr |
| Jul 7, 12:52 PM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 14 hr |
| Jul 19, 10:01 AM CDT | Flash Flood Watch | DVN | Hancock, Henderson, McDonough, Mercer, Warren | 41 hr |
| Jul 20, 5:08 AM CDT | Flash Flood Watch | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 10 more | 22 hr |
| Jul 20, 8:44 AM CDT | Flash Flood Watch | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 22 more | 19 hr |
| Jul 22, 3:32 PM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more | 45 hr |
| Jul 23, 4:35 AM CDT | Flash Flood Watch | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more | 31 hr |
| Jul 30, 2:15 PM CDT | Flash Flood Watch | LSX | Adams, Brown, Pike | 14 hr |
| Aug 2, 3:24 PM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more | 18 hr |
| Aug 3, 3:39 PM CDT | Flash Flood Watch | LOT | DeKalb, DuPage, Ford, Grundy, Iroquois, Kane and 6 more | 23 hr |
| Aug 3, 8:44 PM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Henry, Mercer, Putnam, Rock Island and 1 more | 14 hr |
| Aug 9, 3:51 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more | 17 hr |
| Aug 10, 9:05 PM CDT | Flash Flood Watch | DVN | Mercer, Rock Island | 6 hr |
| Aug 13, 3:42 AM CDT | Flash Flood Watch | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 24 hr |
| Aug 13, 11:48 AM CDT | Flash Flood Watch | ILX | Fulton, Knox, Marshall, Peoria, Schuyler, Stark | 16 hr |
| Aug 20, 2:39 AM CDT | Flash Flood Watch | LSX | Adams, Brown, Calhoun, Greene, Jersey, Pike | 25 hr |
| Aug 20, 11:35 AM CDT | Flash Flood Watch | DVN | Hancock, Henderson, Henry, McDonough, Mercer, Rock Island and 1 more | 9 hr |
| Sep 3, 1:13 PM CDT | Flash Flood Watch | ILX | Sangamon | 11 hr |
| Sep 8, 3:48 PM CDT | Flash Flood Watch | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 27 hr |
| Sep 15, 4:18 AM CDT | Flash Flood Watch | LSX | Adams, Brown, Pike | 11 hr |
| Sep 21, 3:41 AM CDT | Flash Flood Watch | LSX | Adams, Brown | 24 hr |
| Sep 21, 3:25 PM CDT | Flash Flood Watch | DVN | Hancock, Henderson, McDonough, Mercer, Warren | 13 hr |
| Nov 24, 3:48 PM CST | Flash Flood Watch | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 12 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Mercer County20
- Rock Island County19
- Henderson County18
- Warren County17
- Hancock County16
- Henry County16
- Whiteside County15
- McDonough County15
- Carroll County14
- Jo Daviess County13
- Stephenson County13
- Bureau County13
- Putnam County13
- Adams County10
- Fulton County8
- Knox County7
- Peoria County7
- Sangamon County7
- Schuyler County7
- Stark County7
- Brown County7
- Clinton County6
- Marion County6
- Washington County6
- Monroe County6
- Saint Clair County6
- Marshall County6
- Calhoun County6
- Greene County6
- Jersey County6
- Pike County6
- DeKalb County6
- DuPage County6
- Ford County6
- Grundy County6
- Iroquois County6
- Kane County6
- Kankakee County6
- Kendall County6
- LaSalle County6
60 more counties
- Lee County6
- Livingston County6
- Ogle County6
- Fayette County5
- Randolph County5
- Mason County5
- Tazewell County5
- Woodford County5
- Boone County5
- Lake County5
- McHenry County5
- Winnebago County5
- Clark County4
- Cumberland County4
- Bond County4
- Cass County4
- Logan County4
- McLean County4
- Menard County4
- Morgan County4
- Scott County4
- Macoupin County4
- Champaign County4
- Coles County4
- Douglas County4
- Edgar County4
- Moultrie County4
- Piatt County4
- Shelby County4
- Vermilion County4
- Madison County4
- Christian County3
- DeWitt County3
- Macon County3
- Montgomery County3
- Clay County2
- Crawford County2
- Effingham County2
- Jasper County2
- Lawrence County2
- Richland 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
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20092011
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.