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Kaskaskia River at Vandalia
Critical Stages
16' - Action
18' - Flood
24' - Moderate
26' - Major
Latest Observation
Updated: 6:30 AM CST 12/6/25
Status: No Flooding
Stage: 3.11 ft
Flow: 0.136 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 7:00 AM 12/6 | 3.1 | 0.135 |
| 6:45 AM 12/6 | 3.11 | 0.136 |
| 6:30 AM 12/6 | 3.11 | 0.136 |
| 6:15 AM 12/6 | 3.11 | 0.136 |
| 6:00 AM 12/6 | 3.11 | 0.136 |
| 5:45 AM 12/6 | 3.11 | 0.136 |
| 5:30 AM 12/6 | 3.12 | 0.138 |
| 5:15 AM 12/6 | 3.12 | 0.138 |
| 5:00 AM 12/6 | 3.13 | 0.139 |
| 4:45 AM 12/6 | 3.13 | 0.139 |
| 4:30 AM 12/6 | 3.13 | 0.139 |
| 4:15 AM 12/6 | 3.14 | 0.141 |
| 4:00 AM 12/6 | 3.14 | 0.141 |
| 3:45 AM 12/6 | 3.15 | 0.142 |
| 3:30 AM 12/6 | 3.16 | 0.144 |
| 3:15 AM 12/6 | 3.15 | 0.142 |
| 3:00 AM 12/6 | 3.16 | 0.144 |
| 2:45 AM 12/6 | 3.16 | 0.144 |
| 2:30 AM 12/6 | 3.16 | 0.144 |
| 2:15 AM 12/6 | 3.16 | 0.144 |
| 2:00 AM 12/6 | 3.17 | 0.145 |
| 1:45 AM 12/6 | 3.17 | 0.145 |
| 1:30 AM 12/6 | 3.17 | 0.145 |
| 1:15 AM 12/6 | 3.18 | 0.147 |
| 1:00 AM 12/6 | 3.17 | 0.145 |
| 12:45 AM 12/6 | 3.18 | 0.147 |
| 12:30 AM 12/6 | 3.18 | 0.147 |
| 12:15 AM 12/6 | 3.18 | 0.147 |
| 12:00 AM 12/6 | 3.19 | 0.148 |
| 11:45 PM 12/5 | 3.19 | 0.148 |
33.29' -
Flood waters reach the instrument shelf of the manometer gage house.
31' -
Floodwaters will threaten the wastewater treatment facility near this height.
30.5' -
Flood waters reach the floor of the gage house.
27.9' -
U.S. Highway 51 south of Vandalia begins to flood near this height.
27.5' -
Near this level, the left bank levee just south of the U.S. Highway 51 bridge is overtopped.
26' -
The Dively and Vandalia Levees begin to be overtopped.
25.8' -
Along South 4th Street, numerous homes begin flooding near the St. Clair Street intersection.
25.5' -
South 4th Street begins flooding near and south of Jefferson Street in Vandalia.
23' -
Agricultural levee begins to be slightly overtopped. No residences are affected at this level.
19.2' -
State Highway J just east of County Road 206 begins to flood near this height.
18' -
Flood Stage. Minor flooding begins. Unprotected farmland begins to flood.
| Date | Stage (ft) |
|---|---|
| May 8, 2002 | 28.27 |
| Apr 19, 2013 | 27.88 |
| Jan 12, 2020 | 27.84 |
| Dec 28, 2015 | 27.83 |
| Jan 6, 2005 | 27.7 |
| May 1, 2017 | 27.65 |
| Apr 28, 2011 | 27.45 |
| Apr 30, 1996 | 27.41 |
| May 18, 1995 | 27.4 |
| Jun 29, 1951 | 27.39 |
| Apr 6, 2025 | 27.22 |
| Jan 4, 1950 | 27.1 |
| Feb 24, 1985 | 26.95 |
| Dec 12, 1985 | 26.71 |
| Apr 13, 1994 | 26.57 |
| May 18, 1990 | 26.45 |
| Feb 8, 1999 | 26.41 |
| Mar 4, 1979 | 26.39 |
| Apr 1, 2022 | 26.21 |
| Mar 20, 2008 | 26.17 |
Data provided by the National Weather Service.
