Alert archive / Illinois / River Flood Warnings / 2017
River Flood Warnings in Illinois, May 2017
54 river flood warnings in May 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 warnings reaches back to 2005.
River Flood Warnings by county
Each county as a circle sized by its count in May 2017. Tap one for its archive.
- River Flood Warnings
- 54
- Busiest day
- May 24, 201711 river flood warnings
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, 4:23 AM CDT | River Flood Warning | LOT | Cook | 3 days |
| May 1, 4:23 AM CDT | River Flood Warning | LOT | Cook | 53 hr |
| May 1, 4:28 AM CDT | River Flood Warning | LOT | DuPage | 35 hr |
| May 1, 4:32 AM CDT | River Flood Warning | LOT | Kane, McHenry | 6 days |
| May 1, 4:34 AM CDT | River Flood Warning | LOT | Iroquois | 5 days |
| May 1, 5:26 AM CDT | River Flood Warning | LOT | Grundy | 53 hr |
| May 1, 8:00 AM CDT | River Flood Warning | LOT | Will | 35 hr |
| May 1, 11:16 AM CDT | River Flood Warning | ILX | Vermilion | 26 hr |
| May 1, 11:24 AM CDT | River Flood Warning | LOT | Iroquois | 6 days |
| May 1, 11:28 AM CDT | River Flood Warning | LOT | Lake | 58 hr |
| May 2, 11:06 AM CDT | River Flood Warning | DVN | Hancock | 62 hr |
| May 2, 11:38 AM CDT | River Flood Warning | ILX | Menard | 8 days |
| May 2, 7:55 PM CDT | River Flood Warning | ILX | Sangamon | 6 days |
| May 2, 9:45 PM CDT | River Flood Warning | ILX | Vermilion | 5 days |
| May 7, 9:33 AM CDT | River Flood Warning | LSX | Clinton | 31 days |
| May 9, 9:08 PM CDT | River Flood Warning | LOT | Iroquois | 38 hr |
| May 10, 9:56 AM CDT | River Flood Warning | LOT | Iroquois | 3 days |
| May 10, 8:13 PM CDT | River Flood Warning | DVN | Henry, Rock Island | 6 days |
| May 10, 9:45 PM CDT | River Flood Warning | LOT | Kane, Kendall | 45 hr |
| May 11, 3:16 AM CDT | River Flood Warning | LOT | Will | 30 hr |
| May 11, 3:58 AM CDT | River Flood Warning | ILX | Crawford, Jasper | 17 hr |
| May 11, 4:19 AM CDT | River Flood Warning | DVN | Whiteside | 3 days |
| May 11, 7:32 AM CDT | River Flood Warning | LOT | LaSalle | 53 hr |
| May 11, 10:22 AM CDT | River Flood Warning | DVN | Mercer, Rock Island | 6 days |
| May 11, 10:49 AM CDT | River Flood Warning | LOT | LaSalle | 53 hr |
| May 11, 11:58 AM CDT | River Flood Warning | PAH | Hardin, Pope | 5 days |
| May 19, 11:10 AM CDT | River Flood Warning | IND | Wabash | 9 days |
| May 19, 11:10 AM CDT | River Flood Warning | IND | Clark, Crawford | 14 days |
| May 20, 10:42 AM CDT | River Flood Warning | LSX | Brown | 3 days |
| May 20, 11:33 AM CDT | River Flood Warning | DVN | Henderson | 20 days |
| May 20, 11:59 AM CDT | River Flood Warning | LSX | Pike | 3 days |
| May 20, 8:22 PM CDT | River Flood Warning | ILX | Fulton, Knox | 37 hr |
| May 20, 9:03 PM CDT | River Flood Warning | LSX | Saint Clair | 8 days |
| May 21, 9:43 AM CDT | River Flood Warning | ILX | Clay, Richland | 5 days |
| May 23, 10:45 AM CDT | River Flood Warning | ILX | Cass, Mason | 3 days |
| May 23, 12:35 PM CDT | River Flood Warning | DVN | Jo Daviess | 9 days |
| May 23, 12:35 PM CDT | River Flood Warning | DVN | Jo Daviess | 10 days |
| May 23, 9:44 PM CDT | River Flood Warning | LSX | Pike | 17 days |
| May 24, 11:36 AM CDT | River Flood Warning | LSX | Adams | 16 days |
| May 24, 11:36 AM CDT | River Flood Warning | LSX | Adams | 15 days |
| May 24, 11:36 AM CDT | River Flood Warning | LSX | Adams | 15 days |
| May 24, 12:04 PM CDT | River Flood Warning | DVN | Rock Island, Whiteside | 11 days |
| May 24, 12:04 PM CDT | River Flood Warning | DVN | Rock Island | 9 days |
| May 24, 12:04 PM CDT | River Flood Warning | DVN | Rock Island | 12 days |
| May 24, 12:04 PM CDT | River Flood Warning | DVN | Rock Island | 12 days |
| May 24, 12:04 PM CDT | River Flood Warning | DVN | Mercer, Rock Island | 13 days |
| May 24, 12:04 PM CDT | River Flood Warning | DVN | Mercer | 14 days |
| May 24, 12:04 PM CDT | River Flood Warning | DVN | Henderson, Mercer | 15 days |
| May 25, 10:57 AM CDT | River Flood Warning | DVN | Carroll, Whiteside | 9 days |
| May 25, 10:57 AM CDT | River Flood Warning | DVN | Hancock | 14 days |
| May 28, 9:58 AM CDT | River Flood Warning | IND | Wabash | 4 days |
| May 28, 9:58 AM CDT | River Flood Warning | IND | Wabash | 5 days |
| May 29, 11:02 AM CDT | River Flood Warning | PAH | Massac, Pulaski | 6 days |
| May 30, 10:31 AM CDT | River Flood Warning | DVN | Hancock | 6 days |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Rock Island County7
- Iroquois County4
- Mercer County4
- Hancock County3
- Whiteside County3
- Wabash County3
- Adams County3
- Cook County2
- Kane County2
- Will County2
- Vermilion County2
- Crawford County2
- LaSalle County2
- Henderson County2
- Pike County2
- Jo Daviess County2
- DuPage County1
- McHenry County1
- Grundy County1
- Lake County1
- Menard County1
- Sangamon County1
- Clinton County1
- Henry County1
- Kendall County1
- Jasper County1
- Hardin County1
- Pope County1
- Clark County1
- Brown County1
- Fulton County1
- Knox County1
- Saint Clair County1
- Clay County1
- Richland County1
- Cass County1
- Mason County1
- Carroll County1
- Massac County1
- Pulaski County1
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.