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Hydrograph River at a Glance Download
Mississippi River at Illinois City Tailwater (ft)Flow (kcfs)Observed: 5.87 ft at 2:00AM Oct 19, 2014Observed: 5.9 ft at 4:00AM Oct 19, 2014Observed: 5.87 ft at 6:00AM Oct 19, 2014Observed: 5.88 ft at 8:00AM Oct 19, 2014Observed: 5.87 ft at 10:00AM Oct 19, 2014Observed: 5.89 ft at 12:00PM Oct 19, 2014Observed: 5.92 ft at 2:00PM Oct 19, 2014Observed: 5.91 ft at 4:00PM Oct 19, 2014Observed: 5.88 ft at 6:00PM Oct 19, 2014Observed: 5.9 ft at 8:00PM Oct 19, 2014Observed: 5.9 ft at 10:00PM Oct 19, 2014Observed: 5.9 ft at 12:00AM Oct 20, 2014Highest Observation: 5.93 ft at 2:00AM Oct 20, 2014Observed: 5.89 ft at 4:00AM Oct 20, 2014Observed: 5.87 ft at 6:00AM Oct 20, 2014Observed: 5.86 ft at 8:00AM Oct 20, 2014Observed: 5.85 ft at 10:00AM Oct 20, 2014Observed: 5.83 ft at 12:00PM Oct 20, 2014Observed: 5.83 ft at 2:00PM Oct 20, 2014Observed: 5.8 ft at 4:00PM Oct 20, 2014Observed: 5.85 ft at 6:00PM Oct 20, 2014Observed: 5.82 ft at 8:00PM Oct 20, 2014Observed: 5.81 ft at 10:00PM Oct 20, 2014Observed: 5.8 ft at 12:00AM Oct 21, 2014Observed: 5.8 ft at 2:00AM Oct 21, 2014Observed: 5.82 ft at 4:00AM Oct 21, 2014Observed: 5.8 ft at 6:00AM Oct 21, 2014Observed: 5.79 ft at 8:00AM Oct 21, 2014Observed: 5.75 ft at 10:00AM Oct 21, 2014Observed: 5.77 ft at 12:00PM Oct 21, 2014Observed: 5.78 ft at 2:00PM Oct 21, 2014Observed: 5.78 ft at 4:00PM Oct 21, 2014Observed: 5.8 ft at 6:00PM Oct 21, 2014Observed: 5.78 ft at 8:00PM Oct 21, 2014Observed: 5.77 ft at 10:00PM Oct 21, 2014Observed: 5.77 ft at 12:00AM Oct 22, 2014Highest Forecast: 5.8 ft 7:00AM Oct 22, 2014Highest Forecast: 5.8 ft 1:00PM Oct 22, 2014Highest Forecast: 5.8 ft 7:00PM Oct 22, 2014Highest Forecast: 5.8 ft 1:00AM Oct 23, 2014Highest Forecast: 5.8 ft 7:00AM Oct 23, 2014Forecast: 5.7 ft 1:00PM Oct 23, 2014Forecast: 5.7 ft 7:00PM Oct 23, 2014Forecast: 5.7 ft 1:00AM Oct 24, 2014Forecast: 5.7 ft 7:00AM Oct 24, 2014Forecast: 5.7 ft 1:00PM Oct 24, 2014Forecast: 5.7 ft 7:00PM Oct 24, 2014Forecast: 5.6 ft 1:00AM Oct 25, 2014Forecast: 5.6 ft 7:00AM Oct 25, 2014Forecast: 5.5 ft 1:00PM Oct 25, 2014Forecast: 5.5 ft 7:00PM Oct 25, 2014Forecast: 5.4 ft 1:00AM Oct 26, 2014Forecast: 5.4 ft 7:00AM Oct 26, 2014Forecast: 5.3 ft 1:00PM Oct 26, 2014Forecast: 5.2 ft 7:00PM Oct 26, 2014Forecast: 5.2 ft 1:00AM Oct 27, 2014Forecast: 5.1 ft 7:00AM Oct 27, 2014Forecast: 5.1 ft 1:00PM Oct 27, 2014Forecast: 5.1 ft 7:00PM Oct 27, 2014Forecast: 5 ft 1:00AM Oct 28, 2014Forecast: 5 ft 7:00AM Oct 28, 2014U.S. Army Corps of EngineersILNI2(plotting HTIRZ) Graph Created (1:16AM Oct 22, 2014)ObservedForecast (issued 12:10AM Oct 22)Latest observed value: 5.77 ft at 12:00 AM CDT 22-Oct-2014. Flood Stage is 15 ft
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Tabular Data (CDT)
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Datum: Not Available
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NOTE: 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.

NOTE: Forecasts for the Mississippi River at Illinois City are issued routinely year-round.

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Upstream Gauge - at Rock Island Upstream Gauge Downstream Gauge Downstream Gauge - at Muscatine
Flood Categories (in feet)
Major Flood Stage:18
Moderate Flood Stage:16
Flood Stage:15
Action Stage:14

Historical Crests
(1) 24.10 ft on 07/09/1993
(2) 23.27 ft on 04/28/1965
(3) 22.96 ft on 06/17/2008
(4) 22.41 ft on 04/25/2001
(5) 22.29 ft on 07/05/2014 (P)
(6) 20.74 ft on 04/23/2011
(7) 20.29 ft on 04/22/2013 (P)
(8) 20.05 ft on 04/25/1973
(9) 19.94 ft on 05/01/2008
(10) 19.69 ft on 04/26/1969
Show More Historical Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:16
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Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
29 Water reaches the top of the Milan levee.
24.5 Water reaches the top of the Andalusia levee.
22.5 Water affects the entire state park at Fairport and is at the foundations of facilities there.
21.5 Water affects the Post Office and several commercial buildings in Buffalo.
20.5 Water affects Front Street and several homes in Buffalo. Water also affects the fish hatchery at Fairport.
20 Water affects Buffalos Front Street at Franklin and on Iowa Highway 22 west of town. Water affects Illinois Highway 92 west of Andalusia.
19.5 Water affects Buffalos Franklin Street and into some yards from seepage. At Buffalo Shores...water is at the foundations of several homes.
19 Water affects the Clarks Ferry Recreational Area at Montpelier.
18.5 Water floods Andalusias Second Street in the unprotected area. Water is also at the foundations of several homes in Midway Beach.
18 Water affects the state park campground at Fairport.
17 Water affects the Buffalo Shores Access Area.
16.98 Lock and Dam 16 is closed.
16 Water affects the park at Andalusia.
13 Water affects residents on Smiths Island.
About This Location Collapse

Latitude: 41.425556° N, Longitude: 91.012778° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 15 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 533.79 ft 548.79 ft  

Current/Historical Observations:

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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
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Davenport, IA 52806-7326
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Page last modified: 27-Aug-2014 7:11 PM
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