Major Flood
26 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
24 ft
Minor Flood
18 ft
Action Stage
16 ft
What Floods at Each Level
33.29 ft
Flood waters reach the instrument shelf of the manometer gage house.
31 ft
Floodwaters will threaten the wastewater treatment facility near this height.
30.5 ft
Flood waters reach the floor of the gage house.
27.9 ft
U.S. Highway 51 south of Vandalia begins to flood near this height.
27.5 ft
Near this level, the left bank levee just south of the U.S. Highway 51 bridge is overtopped.
27.2 ft
At this height, Thrill Hill Road (County Road 1800) is flooded from U.S. 51 for about 3000 ft westward.
27.1 ft
At this height about 75% of County Road 2000 between US 51 and the bridge over the Kaskaskia River is flooded.
26 ft
The Dively and Vandalia Levees begin to be overtopped.
25.8 ft
Along South 4th Street, numerous homes begin flooding near the St. Clair Street intersection.
25.5 ft
South 4th Street begins flooding near and south of Jefferson Street in Vandalia.
23 ft
Agricultural levee begins to be slightly overtopped. No residences are affected at this level.
19.2 ft
State Highway J just east of County Road 206 begins to flood near this height.
18 ft
Flood Stage. Minor flooding begins. Unprotected farmland begins to flood.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| May 7, 2002 | 28.27 ft | 28,500 cfs |
| Apr 19, 2013 | 27.88 ft | 31,000 cfs |
| Jan 12, 2020 | 27.84 ft | — |
About This Gauge
USGS Site
NWS LID
VNDI2
River
Kaskaskia River
County
Fayette, IL
Coordinates
38.9606°N, 89.0888°W
Get Flood Alerts for Kaskaskia River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Kaskaskia River at Vandalia?
The Kaskaskia River at Vandalia gauge is maintained by USGS (site 05592500) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Kaskaskia River at Vandalia?
The NWS-defined flood stage for Kaskaskia River at Vandalia is 18 feet. Action stage begins at 16 feet. Moderate flooding starts at 24 feet, and major flooding at 26 feet.
How do I get alerts when Kaskaskia River rises?
Download StormCast free on Google Play, go to River Gauges, and add Kaskaskia River at Vandalia to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Kaskaskia River at Vandalia gauge located?
The gauge is located in Fayette County, Illinois at coordinates 38.9606°N, 89.0888°W. USGS site number: 05592500. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.