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Hydrograph River at a Glance Download
Mississippi River at New Boston Tailwater (ft)Flow (kcfs)Highest Observation: 12.69 ft at 6:00PM Jul 21, 2014Observed: 12.63 ft at 8:00PM Jul 21, 2014Observed: 12.59 ft at 10:00PM Jul 21, 2014Observed: 12.54 ft at 12:00AM Jul 22, 2014Observed: 12.48 ft at 2:00AM Jul 22, 2014Observed: 12.43 ft at 4:00AM Jul 22, 2014Observed: 12.38 ft at 6:00AM Jul 22, 2014Observed: 12.37 ft at 8:00AM Jul 22, 2014Observed: 12.31 ft at 10:00AM Jul 22, 2014Observed: 12.27 ft at 12:00PM Jul 22, 2014Observed: 12.22 ft at 2:00PM Jul 22, 2014Observed: 12.18 ft at 4:00PM Jul 22, 2014Observed: 12.13 ft at 6:00PM Jul 22, 2014Observed: 12.08 ft at 8:00PM Jul 22, 2014Observed: 12.03 ft at 10:00PM Jul 22, 2014Observed: 11.98 ft at 12:00AM Jul 23, 2014Observed: 11.93 ft at 2:00AM Jul 23, 2014Observed: 11.88 ft at 4:00AM Jul 23, 2014Observed: 11.84 ft at 6:00AM Jul 23, 2014Observed: 11.8 ft at 8:00AM Jul 23, 2014Observed: 11.77 ft at 10:00AM Jul 23, 2014Observed: 11.73 ft at 12:00PM Jul 23, 2014Observed: 11.7 ft at 2:00PM Jul 23, 2014Observed: 11.67 ft at 4:00PM Jul 23, 2014Observed: 11.62 ft at 6:00PM Jul 23, 2014Observed: 11.55 ft at 8:00PM Jul 23, 2014Observed: 11.52 ft at 10:00PM Jul 23, 2014Observed: 11.47 ft at 12:00AM Jul 24, 2014Observed: 11.46 ft at 2:00AM Jul 24, 2014Observed: 11.44 ft at 4:00AM Jul 24, 2014Observed: 11.41 ft at 6:00AM Jul 24, 2014Observed: 11.38 ft at 8:00AM Jul 24, 2014Observed: 11.35 ft at 10:00AM Jul 24, 2014Observed: 11.31 ft at 12:00PM Jul 24, 2014Observed: 11.27 ft at 2:00PM Jul 24, 2014Observed: 11.2 ft at 4:00PM Jul 24, 2014Highest Forecast: 11.2 ft 7:00PM Jul 24, 2014Forecast: 11.1 ft 1:00AM Jul 25, 2014Forecast: 11 ft 7:00AM Jul 25, 2014Forecast: 10.9 ft 1:00PM Jul 25, 2014Forecast: 10.8 ft 7:00PM Jul 25, 2014Forecast: 10.7 ft 1:00AM Jul 26, 2014Forecast: 10.6 ft 7:00AM Jul 26, 2014Forecast: 10.4 ft 1:00PM Jul 26, 2014Forecast: 10.3 ft 7:00PM Jul 26, 2014Forecast: 10.2 ft 1:00AM Jul 27, 2014Forecast: 10.1 ft 7:00AM Jul 27, 2014Forecast: 9.9 ft 1:00PM Jul 27, 2014Forecast: 9.8 ft 7:00PM Jul 27, 2014Forecast: 9.7 ft 1:00AM Jul 28, 2014Forecast: 9.6 ft 7:00AM Jul 28, 2014Forecast: 9.5 ft 1:00PM Jul 28, 2014Forecast: 9.4 ft 7:00PM Jul 28, 2014Forecast: 9.3 ft 1:00AM Jul 29, 2014Forecast: 9.2 ft 7:00AM Jul 29, 2014Forecast: 9.1 ft 1:00PM Jul 29, 2014Forecast: 8.9 ft 7:00PM Jul 29, 2014Forecast: 8.8 ft 1:00AM Jul 30, 2014Forecast: 8.7 ft 7:00AM Jul 30, 2014Forecast: 8.6 ft 1:00PM Jul 30, 2014Forecast: 8.4 ft 7:00PM Jul 30, 2014Forecast: 8.3 ft 1:00AM Jul 31, 2014Forecast: 8.2 ft 7:00AM Jul 31, 2014U.S. Army Corps of EngineersNBOI2(plotting HTIRZ) Graph Created (4:32PM Jul 24, 2014)ObservedForecast (issued 1:10PM Jul 24)Latest observed value: 11.2 ft at 4:00 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 New Boston are issued routinely year-round.

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Upstream Gauge - at Muscatine Upstream Gauge Downstream Gauge Downstream Gauge - at Keithsburg
Flood Categories (in feet)
Major Flood Stage:18.5
Moderate Flood Stage:16.5
Flood Stage:15
Action Stage:14

Historical Crests
(1) 25.90 ft on 07/09/1993
(2) 25.20 ft on 06/17/2008
(3) 23.14 ft on 04/28/1965
(4) 22.46 ft on 04/25/2001
(5) 22.22 ft on 04/22/2013
(6) 21.83 ft on 05/01/2008
(7) 21.73 ft on 04/25/1973
(8) 20.96 ft on 04/24/2011
(9) 20.19 ft on 07/02/2013
(10) 20.00 ft on 06/05/2013
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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.
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20.6 The Lake Odessa levee overtops.
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Latitude: 41.191389° N, Longitude: 91.055556° 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 526.57 ft 541.57 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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