Alert archive / Illinois / River Flood Watches
River Flood Watches in Illinois, 2017
103 river flood watches in 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 river flood watches reaches back to 2005.
River Flood Watches by county
Each county as a circle sized by its count in 2017. Tap one for its archive.
- River Flood Watches
- 103
- Busiest month
- April46 river flood watches
- Busiest day
- April 28, 201731 river 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 10, 10:07 AM CST | River Flood Watch | DVN | Henry, Rock Island, Whiteside | 8 days |
| Jan 16, 9:05 PM CST | River Flood Watch | LOT | Lake | 4 days |
| Jan 19, 9:50 AM CST | River Flood Watch | LOT | Winnebago | 24 hr |
| Jan 19, 10:42 AM CST | River Flood Watch | MKX | Lake | 7 days |
| Feb 26, 11:59 AM CST | River Flood Watch | DVN | Mercer | 47 hr |
| Feb 26, 11:59 AM CST | River Flood Watch | DVN | Henderson, Mercer | 47 hr |
| Feb 26, 11:59 AM CST | River Flood Watch | DVN | Henderson | 24 hr |
| Feb 26, 11:59 AM CST | River Flood Watch | DVN | Hancock, Henderson | 24 hr |
| Feb 26, 11:59 AM CST | River Flood Watch | DVN | Jo Daviess | 5 days |
| Feb 26, 11:59 AM CST | River Flood Watch | DVN | Rock Island | 47 hr |
| Feb 26, 11:59 AM CST | River Flood Watch | DVN | Mercer, Rock Island | 47 hr |
| Feb 28, 10:52 AM CST | River Flood Watch | DVN | Carroll, Whiteside | 8 days |
| Feb 28, 10:52 AM CST | River Flood Watch | DVN | Rock Island | 4 days |
| Mar 1, 9:40 PM CST | River Flood Watch | DVN | Rock Island, Whiteside | 7 days |
| Mar 29, 9:47 PM CDT | River Flood Watch | LOT | Lake | 24 hr |
| Mar 29, 9:47 PM CDT | River Flood Watch | LOT | Lake | 4 days |
| Mar 29, 10:11 PM CDT | River Flood Watch | LOT | LaSalle | 6 days |
| Mar 30, 4:34 AM CDT | River Flood Watch | MKX | Lake | 6 days |
| Apr 5, 11:26 AM CDT | River Flood Watch | DVN | Henderson | 8 days |
| Apr 5, 11:26 AM CDT | River Flood Watch | DVN | Hancock, Henderson | 7 days |
| Apr 16, 9:50 AM CDT | River Flood Watch | DVN | Whiteside | 4 days |
| Apr 16, 9:50 AM CDT | River Flood Watch | DVN | Henry, Rock Island | 6 days |
| Apr 17, 8:10 PM CDT | River Flood Watch | DVN | Henderson | 5 days |
| Apr 19, 10:26 AM CDT | River Flood Watch | DVN | Henderson, Mercer | 58 hr |
| Apr 24, 9:35 PM CDT | River Flood Watch | DVN | Henderson, Mercer | 6 days |
| Apr 25, 10:16 AM CDT | River Flood Watch | DVN | Mercer | 7 days |
| Apr 28, 9:57 AM CDT | River Flood Watch | DVN | Whiteside | 25 hr |
| Apr 28, 9:57 AM CDT | River Flood Watch | DVN | Henry, Rock Island, Whiteside | 25 hr |
| Apr 28, 9:57 AM CDT | River Flood Watch | DVN | Henry, Rock Island | 25 hr |
| Apr 28, 10:50 AM CDT | River Flood Watch | LOT | 4 days | |
| Apr 28, 10:53 AM CDT | River Flood Watch | LOT | Winnebago | 5 days |
| Apr 28, 11:05 AM CDT | River Flood Watch | DVN | Rock Island | 25 hr |
| Apr 28, 11:05 AM CDT | River Flood Watch | DVN | Rock Island | 25 hr |
| Apr 28, 11:05 AM CDT | River Flood Watch | DVN | Mercer, Rock Island | 25 hr |
| Apr 28, 11:18 AM CDT | River Flood Watch | MKX | Lake | 32 hr |
| Apr 28, 11:51 AM CDT | River Flood Watch | LOT | Lake | 48 hr |
| Apr 28, 11:51 AM CDT | River Flood Watch | LOT | Lake | 5 days |
| Apr 28, 11:51 AM CDT | River Flood Watch | LOT | 5 days | |
| Apr 28, 11:51 AM CDT | River Flood Watch | LOT | 5 days | |
| Apr 28, 11:51 AM CDT | River Flood Watch | LOT | 5 days | |
| Apr 28, 11:51 AM CDT | River Flood Watch | LOT | Kane, McHenry | 48 hr |
| Apr 28, 11:51 AM CDT | River Flood Watch | LOT | Kane, Kendall | 33 hr |
| Apr 28, 11:51 AM CDT | River Flood Watch | LOT | LaSalle | 7 days |
| Apr 28, 11:51 AM CDT | River Flood Watch | LOT | 4 days | |
| Apr 28, 11:51 AM CDT | River Flood Watch | LOT | Lake | 48 hr |
| Apr 28, 12:09 PM CDT | River Flood Watch | LOT | Iroquois | 47 hr |
| Apr 28, 12:09 PM CDT | River Flood Watch | LOT | Iroquois, Kankakee | 48 hr |
| Apr 28, 12:09 PM CDT | River Flood Watch | LOT | Kankakee | 33 hr |
| Apr 28, 12:09 PM CDT | River Flood Watch | LOT | Grundy | 48 hr |
| Apr 28, 12:09 PM CDT | River Flood Watch | LOT | Iroquois | 6 days |
| Apr 28, 12:09 PM CDT | River Flood Watch | LOT | Livingston | 6 days |
| Apr 28, 12:09 PM CDT | River Flood Watch | LOT | LaSalle | 6 days |
| Apr 28, 12:09 PM CDT | River Flood Watch | LOT | Grundy | 4 days |
| Apr 28, 12:17 PM CDT | River Flood Watch | LOT | DuPage | 4 days |
| Apr 28, 12:23 PM CDT | River Flood Watch | LOT | Grundy | 33 hr |
| Apr 28, 12:23 PM CDT | River Flood Watch | LOT | LaSalle | 33 hr |
| Apr 28, 12:23 PM CDT | River Flood Watch | LOT | LaSalle | 33 hr |
| Apr 29, 9:49 AM CDT | River Flood Watch | LOT | 24 hr | |
| Apr 29, 10:47 AM CDT | River Flood Watch | DVN | Henry | 5 days |
| Apr 29, 10:55 AM CDT | River Flood Watch | LOT | Boone | 4 days |
| Apr 29, 10:55 AM CDT | River Flood Watch | LOT | Ogle | 7 days |
| Apr 29, 11:57 AM CDT | River Flood Watch | LOT | 4 days | |
| Apr 29, 11:57 AM CDT | River Flood Watch | LOT | 24 hr | |
| Apr 29, 11:57 AM CDT | River Flood Watch | LOT | 24 hr | |
| May 1, 11:01 AM CDT | River Flood Watch | DVN | Hancock | 4 days |
| May 8, 8:15 PM CDT | River Flood Watch | LOT | Kane, Kendall | 4 days |
| May 9, 10:39 AM CDT | River Flood Watch | LOT | Iroquois | 48 hr |
| May 10, 12:00 PM CDT | River Flood Watch | LOT | LaSalle | 3 days |
| May 19, 11:39 AM CDT | River Flood Watch | DVN | Henderson, Mercer | 5 days |
| May 19, 9:12 PM CDT | River Flood Watch | DVN | Henderson | 24 hr |
| May 21, 10:57 AM CDT | River Flood Watch | DVN | Jo Daviess | 50 hr |
| May 22, 10:42 AM CDT | River Flood Watch | DVN | Rock Island, Whiteside | 50 hr |
| May 22, 10:42 AM CDT | River Flood Watch | DVN | Rock Island | 50 hr |
| May 22, 10:42 AM CDT | River Flood Watch | DVN | Mercer | 50 hr |
| May 23, 12:30 PM CDT | River Flood Watch | DVN | Carroll, Whiteside | 46 hr |
| May 23, 12:30 PM CDT | River Flood Watch | DVN | Rock Island | 24 hr |
| May 23, 12:30 PM CDT | River Flood Watch | DVN | Rock Island | 24 hr |
| May 23, 12:30 PM CDT | River Flood Watch | DVN | Mercer, Rock Island | 24 hr |
| May 24, 12:16 PM CDT | River Flood Watch | DVN | Carroll, Jo Daviess | 8 days |
| May 24, 12:16 PM CDT | River Flood Watch | DVN | Hancock | 24 hr |
| May 28, 10:28 AM CDT | River Flood Watch | DVN | Hancock | 48 hr |
| Jun 29, 9:32 AM CDT | River Flood Watch | LOT | Winnebago | 4 days |
| Jul 10, 10:00 AM CDT | River Flood Watch | LOT | Lake | 24 hr |
| Jul 11, 9:03 PM CDT | River Flood Watch | MKX | Lake | 6 days |
| Jul 12, 3:55 PM CDT | River Flood Watch | DVN | Whiteside | 6 days |
| Jul 12, 3:55 PM CDT | River Flood Watch | DVN | Henry, Rock Island, Whiteside | 7 days |
| Jul 20, 8:39 AM CDT | River Flood Watch | DVN | Stephenson | 6 days |
| Jul 20, 8:39 AM CDT | River Flood Watch | DVN | Whiteside | 4 days |
| Jul 20, 8:39 AM CDT | River Flood Watch | DVN | Henry, Rock Island, Whiteside | 6 days |
| Jul 20, 9:23 AM CDT | River Flood Watch | LOT | Winnebago | 24 hr |
| Jul 20, 9:54 AM CDT | River Flood Watch | DVN | Henry, Rock Island | 6 days |
| Jul 22, 12:23 PM CDT | River Flood Watch | DVN | Rock Island, Whiteside | 5 days |
| Jul 22, 12:23 PM CDT | River Flood Watch | DVN | Rock Island | 7 days |
| Jul 22, 12:23 PM CDT | River Flood Watch | DVN | Mercer, Rock Island | 8 days |
| Jul 22, 12:23 PM CDT | River Flood Watch | DVN | Mercer | 24 hr |
| Jul 22, 12:23 PM CDT | River Flood Watch | DVN | Henderson, Mercer | 24 hr |
| Jul 22, 12:23 PM CDT | River Flood Watch | DVN | Henderson | 24 hr |
| Jul 22, 12:23 PM CDT | River Flood Watch | DVN | Hancock, Henderson | 24 hr |
| Jul 22, 12:23 PM CDT | River Flood Watch | DVN | Hancock | 3 days |
| Jul 22, 9:49 PM CDT | River Flood Watch | LOT | Iroquois | 63 hr |
| Oct 14, 10:49 PM CDT | River Flood Watch | DVN | Henry, Rock Island | 4 days |
| Oct 14, 10:49 PM CDT | River Flood Watch | DVN | Henry | 3 days |
| Nov 18, 9:51 AM CST | River Flood Watch | LOT | Iroquois | 5 days |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Rock Island County23
- Whiteside County13
- Mercer County13
- Henderson County13
- Lake County11
- Henry County10
- Hancock County7
- LaSalle County6
- Iroquois County6
- Winnebago County4
- Jo Daviess County3
- Carroll County3
- Kane County3
- Grundy County3
- Kendall County2
- Kankakee County2
- McHenry County1
- Livingston County1
- DuPage County1
- Boone County1
- Ogle County1
- Stephenson County1
The busiest days
Days with the most alerts issued, by UTC date.
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.