Alert archive / Illinois / River Flood Warnings / 2026
River Flood Warnings in Illinois, June 2026
64 river flood warnings in June 2026. 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 June 2026. Tap one for its archive.
- River Flood Warnings
- 64
- Busiest day
- June 11, 202610 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 |
|---|---|---|---|---|
| Jun 10, 12:21 PM CDT | River Flood Warning | IND | Crawford, Lawrence | 6 days |
| Jun 10, 12:21 PM CDT | River Flood Warning | IND | Clark, Crawford | 5 days |
| Jun 10, 12:21 PM CDT | River Flood Warning | IND | Crawford, Lawrence | 6 days |
| Jun 10, 9:44 PM CDT | River Flood Warning | DVN | Henry, Rock Island, Whiteside | 5 days |
| Jun 10, 9:44 PM CDT | River Flood Warning | DVN | Henry, Rock Island | 6 days |
| Jun 10, 10:13 PM CDT | River Flood Warning | DVN | Hancock, McDonough | 3 days |
| Jun 11, 12:09 AM CDT | River Flood Warning | ILX | Fulton, Knox | 60 hr |
| Jun 11, 6:17 AM CDT | River Flood Warning | ILX | McLean, Tazewell, Woodford | 16 hr |
| Jun 11, 11:37 AM CDT | River Flood Warning | ILX | Cass, Fulton, Mason | 37 days |
| Jun 11, 11:38 AM CDT | River Flood Warning | ILX | Brown, Cass, Morgan, Schuyler | 38 days |
| Jun 11, 4:37 PM CDT | River Flood Warning | LOT | LaSalle | 61 hr |
| Jun 11, 4:37 PM CDT | River Flood Warning | LOT | Bureau, LaSalle, Putnam | 18 days |
| Jun 11, 4:37 PM CDT | River Flood Warning | LOT | Iroquois | 40 hr |
| Jun 11, 9:44 PM CDT | River Flood Warning | LOT | Cook | 37 hr |
| Jun 11, 9:47 PM CDT | River Flood Warning | LOT | Cook | 19 hr |
| Jun 12, 10:19 AM CDT | River Flood Warning | ILX | Peoria, Tazewell, Woodford | 20 days |
| Jun 12, 10:28 AM CDT | River Flood Warning | ILX | Clay, Richland | 47 hr |
| Jun 12, 10:39 AM CDT | River Flood Warning | LOT | LaSalle | 38 hr |
| Jun 12, 10:57 AM CDT | River Flood Warning | LOT | Winnebago | 33 hr |
| Jun 12, 11:18 AM CDT | River Flood Warning | DVN | Henry, Rock Island, Whiteside | 3 days |
| Jun 12, 7:02 PM CDT | River Flood Warning | ILX | McLean, Tazewell, Woodford | 38 hr |
| Jun 12, 9:36 PM CDT | River Flood Warning | LSX | Pike | 7 days |
| Jun 12, 9:37 PM CDT | River Flood Warning | LSX | Calhoun | 7 days |
| Jun 13, 11:41 AM CDT | River Flood Warning | LSX | Pike | 5 days |
| Jun 13, 11:43 AM CDT | River Flood Warning | LSX | Jackson, Randolph | 21 days |
| Jun 13, 11:57 AM CDT | River Flood Warning | ILX | Marshall, Putnam | 69 hr |
| Jun 13, 10:20 PM CDT | River Flood Warning | LSX | Pike | 5 days |
| Jun 13, 10:20 PM CDT | River Flood Warning | LSX | Calhoun | 7 days |
| Jun 14, 9:13 AM CDT | River Flood Warning | LOT | Cook | 18 hr |
| Jun 14, 9:18 AM CDT | River Flood Warning | LOT | Cook | 22 hr |
| Jun 14, 9:32 AM CDT | River Flood Warning | ILX | Piatt | 68 hr |
| Jun 14, 9:49 AM CDT | River Flood Warning | LSX | Brown | 26 hr |
| Jun 14, 11:15 AM CDT | River Flood Warning | LSX | Calhoun, Greene, Jersey | 21 days |
| Jun 14, 11:15 AM CDT | River Flood Warning | LSX | Pike, Scott | 24 days |
| Jun 15, 10:06 PM CDT | River Flood Warning | LSX | Madison | 62 hr |
| Jun 16, 10:40 AM CDT | River Flood Warning | PAH | Alexander, Jackson, Union | 71 hr |
| Jun 17, 10:58 AM CDT | River Flood Warning | ILX | Marshall, Putnam | 11 days |
| Jun 17, 4:47 PM CDT | River Flood Warning | LOT | Cook | 11 hr |
| Jun 17, 6:06 PM CDT | River Flood Warning | LOT | Cook | 27 hr |
| Jun 17, 8:28 PM CDT | River Flood Warning | DVN | Hancock, McDonough | 62 hr |
| Jun 17, 8:56 PM CDT | River Flood Warning | ILX | Piatt | 7 days |
| Jun 17, 11:58 PM CDT | River Flood Warning | IND | Crawford, Lawrence | 8 days |
| Jun 17, 11:58 PM CDT | River Flood Warning | IND | Clark, Crawford | 5 days |
| Jun 17, 11:58 PM CDT | River Flood Warning | IND | Crawford, Lawrence | 8 days |
| Jun 18, 2:47 AM CDT | River Flood Warning | ILX | Fulton, Knox | 18 hr |
| Jun 18, 11:43 AM CDT | River Flood Warning | LSX | Brown | 18 days |
| Jun 18, 11:43 AM CDT | River Flood Warning | LSX | Morgan, Pike | 21 days |
| Jun 18, 7:26 PM CDT | River Flood Warning | ILX | McLean, Tazewell, Woodford | 20 hr |
| Jun 19, 9:35 AM CDT | River Flood Warning | ILX | Clay, Richland | 14 days |
| Jun 19, 10:48 AM CDT | River Flood Warning | LSX | Pike | 5 days |
| Jun 20, 11:25 AM CDT | River Flood Warning | IND | Lawrence, Wabash | 7 days |
| Jun 20, 7:14 PM CDT | River Flood Warning | ILX | Cass, Mason | 49 hr |
| Jun 20, 7:20 PM CDT | River Flood Warning | ILX | Fulton, Knox | 3 days |
| Jun 21, 9:24 AM CDT | River Flood Warning | ILX | Lawrence | 10 days |
| Jun 21, 10:06 AM CDT | River Flood Warning | ILX | Fulton | 34 hr |
| Jun 21, 1:53 PM CDT | River Flood Warning | DVN | Hancock, McDonough | 62 hr |
| Jun 21, 8:43 PM CDT | River Flood Warning | LOT | Cook | 33 hr |
| Jun 21, 8:43 PM CDT | River Flood Warning | LOT | Cook | 33 hr |
| Jun 21, 9:06 PM CDT | River Flood Warning | IND | Edwards, Gallatin, Wabash, White | 10 days |
| Jun 21, 9:46 PM CDT | River Flood Warning | LSX | Calhoun | 63 hr |
| Jun 24, 10:16 AM CDT | River Flood Warning | PAH | Gallatin, Wabash, White | 8 days |
| Jun 24, 10:56 PM CDT | River Flood Warning | LOT | Cook | 7 hr |
| Jun 25, 3:53 AM CDT | River Flood Warning | LOT | Cook | 14 hr |
| Jun 25, 9:53 AM CDT | River Flood Warning | PAH | Gallatin, Wayne, White | 50 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County10
- Crawford County6
- Lawrence County6
- Pike County6
- Fulton County5
- Tazewell County4
- Woodford County4
- Calhoun County4
- Henry County3
- Rock Island County3
- Hancock County3
- McDonough County3
- Knox County3
- McLean County3
- Cass County3
- Brown County3
- LaSalle County3
- Putnam County3
- Wabash County3
- Gallatin County3
- White County3
- Clark County2
- Whiteside County2
- Mason County2
- Morgan County2
- Clay County2
- Richland County2
- Jackson County2
- Marshall County2
- Piatt County2
- Schuyler County1
- Bureau County1
- Iroquois County1
- Peoria County1
- Winnebago County1
- Randolph County1
- Greene County1
- Jersey County1
- Scott County1
- Madison County1
4 more counties
Nearby
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.