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Weather Forecast Office Quad Cities, IA North Central River Forecast Center

Hydrograph River at a Glance Download Weekly Chance of
Exceeding Levels		 Chance of Exceeding Levels
During Entire Period
Mississippi River at Keokuk Observed crest: 5.24 ft at 10:00am Feb 07 Observed: 6.11 ft at 6:00am Jan 31 Observed: 6.07 ft at 8:00am Jan 31 Observed: 6.04 ft at 10:00am Jan 31 Observed: 5.96 ft at 12:00pm Jan 31 Observed: 5.88 ft at 2:00pm Jan 31 Observed: 5.85 ft at 4:00pm Jan 31 Observed: 5.76 ft at 12:00am Feb 1 Observed: 5.74 ft at 2:00am Feb 1 Observed: 5.57 ft at 4:00am Feb 1 Observed: 5.51 ft at 6:00am Feb 1 Observed: 5.5 ft at 8:00am Feb 1 Observed: 5.5 ft at 10:00am Feb 1 Observed: 5.5 ft at 12:00pm Feb 1 Observed: 5.41 ft at 2:00pm Feb 1 Observed: 5.49 ft at 4:00pm Feb 1 Observed: 5.53 ft at 6:00pm Feb 1 Observed: 5.56 ft at 8:00pm Feb 1 Observed: 5.56 ft at 10:00pm Feb 1 Observed: 5.57 ft at 12:00am Feb 2 Observed: 5.58 ft at 2:00am Feb 2 Observed: 5.59 ft at 4:00am Feb 2 Observed: 5.6 ft at 6:00am Feb 2 Observed: 5.62 ft at 8:00am Feb 2 Observed: 5.64 ft at 10:00am Feb 2 Observed: 5.64 ft at 12:00pm Feb 2 Observed: 5.61 ft at 2:00pm Feb 2 Observed: 5.61 ft at 4:00pm Feb 2 Observed: 5.6 ft at 6:00pm Feb 2 Observed: 5.58 ft at 8:00pm Feb 2 Observed: 5.58 ft at 10:00pm Feb 2 Observed: 5.63 ft at 12:00am Feb 3 Observed: 5.67 ft at 2:00am Feb 3 Observed: 5.7 ft at 4:00am Feb 3 Observed: 5.73 ft at 6:00am Feb 3 Observed: 5.77 ft at 8:00am Feb 3 Observed: 5.72 ft at 10:00am Feb 3 Observed: 5.6 ft at 12:00pm Feb 3 Observed: 5.43 ft at 2:00pm Feb 3 Observed: 5.5 ft at 4:00pm Feb 3 Observed: 5.51 ft at 6:00pm Feb 3 Observed: 5.51 ft at 8:00pm Feb 3 Observed: 5.36 ft at 10:00pm Feb 3 Observed: 5.32 ft at 12:00am Feb 4 Observed: 5.29 ft at 2:00am Feb 4 Observed: 5.27 ft at 4:00am Feb 4 Observed: 5.25 ft at 6:00am Feb 4 Observed: 5.17 ft at 8:00am Feb 4 Observed: 5.07 ft at 10:00am Feb 4 Observed: 5.18 ft at 12:00pm Feb 4 Observed: 5.23 ft at 2:00pm Feb 4 Observed: 5.25 ft at 4:00pm Feb 4 Observed: 5.26 ft at 6:00pm Feb 4 Observed: 5.26 ft at 8:00pm Feb 4 Observed: 5.26 ft at 10:00pm Feb 4 Observed: 5.26 ft at 12:00am Feb 5 Observed: 5.26 ft at 2:00am Feb 5 Observed: 5.26 ft at 4:00am Feb 5 Observed: 5.26 ft at 6:00am Feb 5 Observed: 5.25 ft at 8:00am Feb 5 Observed: 5.26 ft at 10:00am Feb 5 Observed: 5.26 ft at 12:00pm Feb 5 Observed: 5.26 ft at 2:00pm Feb 5 Observed: 5.26 ft at 4:00pm Feb 5 Observed: 5.26 ft at 6:00pm Feb 5 Observed: 5.28 ft at 8:00pm Feb 5 Observed: 5.28 ft at 10:00pm Feb 5 Observed: 5.27 ft at 12:00am Feb 6 Observed: 5.13 ft at 2:00am Feb 6 Observed: 5.11 ft at 4:00am Feb 6 Observed: 5.06 ft at 6:00am Feb 6 Observed: 5.16 ft at 8:00am Feb 6 Observed: 5.2 ft at 10:00am Feb 6 Observed: 5.22 ft at 12:00pm Feb 6 Observed: 5.23 ft at 2:00pm Feb 6 Observed: 5.25 ft at 4:00pm Feb 6 Observed: 5.25 ft at 6:00pm Feb 6 Observed: 5.25 ft at 8:00pm Feb 6 Observed: 5.25 ft at 10:00pm Feb 6 Observed: 5.13 ft at 12:00am Feb 7 Observed: 5.07 ft at 2:00am Feb 7 Observed: 5.07 ft at 4:00am Feb 7 Observed: 5.06 ft at 6:00am Feb 7 Observed: 5.19 ft at 8:00am Feb 7 Observed: 5.24 ft at 10:00am Feb 7 Observed: 5.2 ft at 12:00pm Feb 7 Observed: 5.17 ft at 2:00pm Feb 7 Observed: 5.17 ft at 4:00pm Feb 7 Observed: 5.17 ft at 6:00pm Feb 7 Observed: 5.17 ft at 8:00pm Feb 7 Observed: 5.01 ft at 10:00pm Feb 7 Observed: 4.91 ft at 12:00am Feb 8 Observed: 4.86 ft at 2:00am Feb 8 Observed: 4.93 ft at 4:00am Feb 8 Observed: 4.97 ft at 6:00am Feb 8 Observed: 4.98 ft at 8:00am Feb 8 Observed: 4.99 ft at 10:00am Feb 8 Observed: 4.88 ft at 12:00pm Feb 8 Observed: 4.83 ft at 2:00pm Feb 8 Observed: 4.78 ft at 4:00pm Feb 8 Observed: 4.78 ft at 6:00pm Feb 8 Observed: 4.76 ft at 8:00pm Feb 8 Observed: 4.93 ft at 10:00pm Feb 8 Observed: 4.95 ft at 12:00am Feb 9 Observed: 4.97 ft at 2:00am Feb 9 Observed: 5 ft at 4:00am Feb 9 Observed: 5.02 ft at 6:00am Feb 9 Observed: 4.96 ft at 8:00am Feb 9 Observed: 5.09 ft at 10:00am Feb 9 Observed: 5.02 ft at 12:00pm Feb 9 Observed: 4.91 ft at 2:00pm Feb 9 Observed: 4.9 ft at 4:00pm Feb 9 Observed: 4.88 ft at 6:00pm Feb 9 Observed: 4.88 ft at 8:00pm Feb 9 Observed: 4.89 ft at 10:00pm Feb 9 Observed: 4.89 ft at 12:00am Feb 10 Observed: 5.03 ft at 2:00am Feb 10 Observed: 5.13 ft at 4:00am Feb 10 Forecast: 5 ft at 12:00pm Feb 9 Forecast: 5 ft at 6:00pm Feb 9 Forecast: 5 ft at 12:00am Feb 10 Forecast: 5 ft at 6:00am Feb 10 Forecast: 5 ft at 12:00pm Feb 10 Forecast: 4.9 ft at 6:00pm Feb 10 Forecast: 4.9 ft at 12:00am Feb 11 Forecast: 4.9 ft at 6:00am Feb 11 Forecast: 4.9 ft at 12:00pm Feb 11 Forecast: 4.8 ft at 6:00pm Feb 11 Forecast: 4.8 ft at 12:00am Feb 12 Forecast: 4.8 ft at 6:00am Feb 12 Forecast: 4.7 ft at 12:00pm Feb 12 Forecast: 4.7 ft at 6:00pm Feb 12 Forecast: 4.7 ft at 12:00am Feb 13 Forecast: 4.7 ft at 6:00am Feb 13 Forecast: 4.7 ft at 12:00pm Feb 13 Forecast: 4.6 ft at 6:00pm Feb 13 Forecast: 4.6 ft at 12:00am Feb 14 Forecast: 4.6 ft at 6:00am Feb 14 Forecast: 4.5 ft at 12:00pm Feb 14 Forecast: 4.5 ft at 6:00pm Feb 14 Forecast: 4.5 ft at 12:00am Feb 15 Forecast: 4.5 ft at 6:00am Feb 15 Forecast: 4.5 ft at 12:00pm Feb 15 Forecast: 4.4 ft at 6:00pm Feb 15 Forecast: 4.4 ft at 12:00am Feb 16 Forecast: 4.4 ft at 6:00am Feb 16 Graph Created (4:33am Feb 10, 2010) Observed Forecast (issued 11:10pm Feb 9) U.S. Army Corps of Engineers EOKI4 (plotting HTIRZ) Gage 0 Datum: 477.83 Latest observed value: 5.13 ft at 4:00 AM CST 10-Feb-2010. Flood Stage is 16.0 ft. Flow (kcfs)
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NOTE: Gauge reading may be affected by ice.

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

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Upstream Gauge - at Burlington Upstream Gauge Downstream Gauge Downstream Gauge - at Gregory Landing

Flood Categories (in feet)
Major Flood Stage:19
Moderate Flood Stage:17.5
Flood Stage:16
Action Stage:14

Historical Crests
(1) 27.58 ft on 07/10/1993
(2) 26.95 ft on 06/17/2008
(3) 23.50 ft on 04/23/1973
(4) 22.94 ft on 05/14/2001
(5) 22.14 ft on 05/01/1965
(6) 21.83 ft on 04/04/1960
(7) 21.00 ft on 06/06/1951
(7) 21.00 ft on 06/06/1851
(9) 20.85 ft on 05/27/1944
(10) 20.60 ft on 04/26/1993

Low Water Records
(1) -4.1 ft on 01/02/1934
(1) -4.1 ft on 12/26/1933
(3) -3.8 ft on 12/12/1937
(4) -3.5 ft on 01/03/1940
(4) -3.5 ft on 12/03/1930

 Mississippi River at Keokuk location map

Flood Impacts Collapse
30.0 Water reaches the top of the Keokuk city levee that protects industrial area along Mississippi Drive south of Victory Park. The levee does not protect industrial areas past the southern end of the levee.
27.0 Water affects residences in Nauvoo and reaches the top of the levee protecting the historical Nauvoo House.
25.5 Water affects the railroad tracks in downtown Keokuk.
24.0 Water affects low lying buildings in Hamilton and affects U.S. Highway 136 near the Mississippi River bridge. Water also affects Keokuks sewage treatment plant.
23.0 Water affects Illinois Highway 96 between Nauvoo and Hamilton.
22.0 Water affects the Warsaw water treatment plant.
21.0 Water affects Keokuks Victory Drive.
20.0 Water affects the industrial area in Keokuk south of the city levee and affects the parking lot at Victory Park as well as much of the park. In Alexandria...water affects U.S. Highway 61 in several places.
19.5 Water reaches critical stage for Des Moines and Mississippi Levee District Number 1.
19.0 Water affects low lying buildings in Warsaw and affects County Road 12.
16.0 Water affects low lying buildings in rural areas. Water affects the railroad tracks in Alexandria.

About This Location Collapse
Latitude: 40.398000° N, Longitude: 91.374000° W, Horizontal Datum: NAD83

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 16 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 N/A N/A Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 N/A N/A Older USGS topographic maps, NGVD29 benchmarks
MSL N/A N/A Older USGS topographic maps, MSL benchmarks
Other 477.83 ft 493.83 ft  

Other Data Sources:
Corps of Engineers (COE) Info for Keokuk

Additional Information Collapse
How low could the river get?

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Hydrologic Resources
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Collaborative Agencies Collapse
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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