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Hydrograph River at a Glance Download
Mississippi River at Rock Island Tailwater (ft)Flow (kcfs)Highest Observation: 11.1 ft at 10:00PM Jul 21, 2014Observed: 10.95 ft at 12:00AM Jul 22, 2014Observed: 10.92 ft at 2:00AM Jul 22, 2014Observed: 10.91 ft at 4:00AM Jul 22, 2014Observed: 10.89 ft at 6:00AM Jul 22, 2014Observed: 10.88 ft at 8:00AM Jul 22, 2014Observed: 10.87 ft at 10:00AM Jul 22, 2014Observed: 10.72 ft at 12:00PM Jul 22, 2014Observed: 10.67 ft at 2:00PM Jul 22, 2014Observed: 10.71 ft at 4:00PM Jul 22, 2014Observed: 10.65 ft at 6:00PM Jul 22, 2014Observed: 10.62 ft at 8:00PM Jul 22, 2014Observed: 10.59 ft at 10:00PM Jul 22, 2014Observed: 10.58 ft at 12:00AM Jul 23, 2014Observed: 10.6 ft at 2:00AM Jul 23, 2014Observed: 10.54 ft at 4:00AM Jul 23, 2014Observed: 10.53 ft at 6:00AM Jul 23, 2014Observed: 10.54 ft at 8:00AM Jul 23, 2014Observed: 10.47 ft at 10:00AM Jul 23, 2014Observed: 10.34 ft at 12:00PM Jul 23, 2014Observed: 10.31 ft at 2:00PM Jul 23, 2014Observed: 10.33 ft at 4:00PM Jul 23, 2014Observed: 10.31 ft at 6:00PM Jul 23, 2014Observed: 10.32 ft at 8:00PM Jul 23, 2014Observed: 10.32 ft at 10:00PM Jul 23, 2014Observed: 10.37 ft at 12:00AM Jul 24, 2014Observed: 10.35 ft at 2:00AM Jul 24, 2014Observed: 10.21 ft at 4:00AM Jul 24, 2014Observed: 10.17 ft at 6:00AM Jul 24, 2014Observed: 10.15 ft at 8:00AM Jul 24, 2014Observed: 10.09 ft at 10:00AM Jul 24, 2014Observed: 9.95 ft at 12:00PM Jul 24, 2014Observed: 9.89 ft at 2:00PM Jul 24, 2014Observed: 9.91 ft at 4:00PM Jul 24, 2014Observed: 9.91 ft at 6:00PM Jul 24, 2014Highest Forecast: 9.9 ft 1:00AM Jul 25, 2014Forecast: 9.8 ft 7:00AM Jul 25, 2014Forecast: 9.6 ft 1:00PM Jul 25, 2014Forecast: 9.5 ft 7:00PM Jul 25, 2014Forecast: 9.4 ft 1:00AM Jul 26, 2014Forecast: 9.3 ft 7:00AM Jul 26, 2014Forecast: 9.2 ft 1:00PM Jul 26, 2014Forecast: 9 ft 7:00PM Jul 26, 2014Forecast: 8.9 ft 1:00AM Jul 27, 2014Forecast: 8.8 ft 7:00AM Jul 27, 2014Forecast: 8.8 ft 1:00PM Jul 27, 2014Forecast: 8.7 ft 7:00PM Jul 27, 2014Forecast: 8.6 ft 1:00AM Jul 28, 2014Forecast: 8.5 ft 7:00AM Jul 28, 2014Forecast: 8.4 ft 1:00PM Jul 28, 2014Forecast: 8.4 ft 7:00PM Jul 28, 2014Forecast: 8.3 ft 1:00AM Jul 29, 2014Forecast: 8.2 ft 7:00AM Jul 29, 2014Forecast: 8.1 ft 1:00PM Jul 29, 2014Forecast: 8 ft 7:00PM Jul 29, 2014Forecast: 8 ft 1:00AM Jul 30, 2014Forecast: 7.9 ft 7:00AM Jul 30, 2014Forecast: 7.8 ft 1:00PM Jul 30, 2014Forecast: 7.7 ft 7:00PM Jul 30, 2014Forecast: 7.6 ft 1:00AM Jul 31, 2014Forecast: 7.6 ft 7:00AM Jul 31, 2014Forecast: 7.5 ft 1:00PM Jul 31, 2014Forecast: 7.4 ft 7:00PM Jul 31, 2014U.S. Army Corps of EngineersRCKI2(plotting HTIRZ) Graph Created (8:32PM Jul 24, 2014)ObservedForecast (issued 8:10PM Jul 24)Latest observed value: 9.91 ft at 6:00 PM CDT 24-Jul-2014. Flood Stage is 15 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
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 Rock Island are issued routinely year-round.

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Upstream Gauge - at LeClaire Upstream Gauge Downstream Gauge Downstream Gauge - at Illinois City
Flood Categories (in feet)
Major Flood Stage:18
Moderate Flood Stage:16
Flood Stage:15
Action Stage:13

Historical Crests
(1) 22.63 ft on 07/09/1993
(2) 22.48 ft on 04/28/1965
(3) 22.33 ft on 04/25/2001
(4) 22.00 ft on 03/10/1868
(5) 21.49 ft on 06/16/2008
(6) 20.71 ft on 04/22/2011
(7) 19.66 ft on 04/20/1997
(8) 19.40 ft on 06/27/1892
(9) 19.30 ft on 04/26/1969
(10) 19.24 ft on 04/29/2008
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(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:16
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Gauge LocationGauge Map Marker
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
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29 Water reaches the top of the flood walls and levees in Bettendorf...Rock Island and East Moline.
27.5 Water affects Molines water treatment plant.
27 Water reaches the bottom of the Arsenal Bridge deck.
26 Water reaches the top of the lowest section of the flood wall at Leach Park in Bettendorf.
25.7 Water affects many residences and businesses in the vicinity of State Street and 8th Street in Bettendorf.
25 Water reaches the top of the lowest section of Rock Islands flood wall in the District.
24 Water affects the main concourse of the Quad City Sports Center. In Riverdale...water is at floor level in the ALCOA plant.
23.6 Water affects ramps at the bus station in Davenport.
23 Water is over Davenports River Drive from South Concord to Tremont. In Moline...water affects The iWireless Center parking lot. Water also affects Rock Islands Centennial Expressway in unprotected areas.
22.7 Water is at the base of the south employee entrance of the Quad City Times building.
22.5 Water affects Davenports Rockingham Road and 2nd Street from Division to Gaines...from Pershing to Le Claire and 3rd Street from Fillmore to Warren.
22 Water affects River Drive at the Village of East Davenport. Water is over the seawall at Lindsay Park and Lake Davenport Marinas. Water affects the Davenport approach for the Centennial Bridge. Water affects 3rd Avenue at the John Deere Commons in Moline.
21.5 Water affects the Rock Island Arsenal bridge. Bettendorfs Leach Park is underwater.
21 Water affects the street at Davenports 2nd Street Post Office main entrance and Marquis Harbor Marina in Moline. In Bettendorf...water affects River Drive between 6th and 8th Streets.
20.7 Flood waters encroach onto the intersection of Beck Avenue...24th Street...and Rodman Avenue on the west end of Rock Island Arsenal under the railroad bridge and may impact access to the Arsenal.
20.5 Water is at the foundations of Davenports Union Station and the freight house building.
20 Water affects the Quad Cities Sports Center parking lot. Water is over the top of the jetty at Lindsay Park Yacht Club. Water affects buildings at Sunset Marina in Rock Island and Molines River Drive from the 2300 to 5500 block.
19.5 Water is at field level at Modern Woodmen Park. Water affects the Quad City Times parking lot and Bettendorfs River Drive between 6th and 8th Streets.
19 Water affects Rock Islands Sunset Marina parking lot and River Drive in Moline from the 2700 to 4800 block. Davenports Le Claire Park is entirely underwater. Water affects most of River Drive from Division to Federal. Water is also at the base of the loading docks of the 2nd Street Post Office.
18.5 Water surrounds Modern Woodmen Park.
18 Water affects sections of River Drive in downtown Davenport from Gaines Street to 4th Street. Water affects 2nd Street at Iowa. Most of Le Claire Park is under water. Water affects Credit Island.
17.5 Water affects the railroad tracks in downtown Davenport and River Drive...Pershing Avenue and Federal Street. Water affects Bettendorfs Leach Park.
17 Water is over most of Davenports Le Claire Park and lower parking lots.
16.5 Water affects Credit Island Lane in Davenport and the 4700 block of River Drive in Moline. Water is at the base of the flood wall gates at the downtown Rock Island riverfront.
16 Water affects sidewalks along the river at Le Claire Park. Water also affects Credit Island Lane and Molines River Drive in the 4700 block.
15.5 Water affects Le Claire Park.
15 Water affects several sections of South Concord Street south of River Drive in Davenport and is at the foundations of several homes on Enchanted Island. Water also affects industries along the river at the south end of Davenport.
14 Water affects a few sections of South Concord Street south of River Drive in Davenport and affects yards and outbuildings on Enchanted Island. Water is also in some houses along South Concord Street south of River Drive.
13.5 Water affects the lowest section of South Concord Street south of River Drive in Davenport and affects other sections in the same area. Water affects the lowest sections of the Enchanted Island causeway.
13 Water affects the lowest sections of both South Concord Street south of River Drive and onto the Enchanted Island causeway in Davenport. Water also surrounds some houses along South Concord Street south of River Drive.
About This Location Collapse

Latitude: 41.517778° N, Longitude: 90.561944° 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)
(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 542.5 ft 557.5 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.
NWS Information
National Weather Service
Quad Cities Weather Forecast Office
9050 Harrison Street
Davenport, IA 52806-7326
(563) 386-3976
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Page last modified: 16-Jul-2014 12:47 AM
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