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Weather Forecast Office Paducah, KY Lower Mississippi River Forecast Center
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Hydrograph River at a Glance Download  
Ohio River at Grand Chain Lock and Dam Forecast crest: 45 ft at 6:00pm Feb 12 Observed crest: 44.7 ft at 6:00am Feb 07 Observed: 47.3 ft at 6:00am Jan 31 Observed: 47.3 ft at 4:00pm Jan 31 Observed: 47.3 ft at 5:00pm Jan 31 Observed: 47.3 ft at 6:00pm Jan 31 Observed: 47.3 ft at 7:00pm Jan 31 Observed: 47.3 ft at 8:00pm Jan 31 Observed: 47.3 ft at 9:00pm Jan 31 Observed: 47.3 ft at 10:00pm Jan 31 Observed: 47.3 ft at 11:00pm Jan 31 Observed: 47.2 ft at 6:00am Feb 1 Observed: 47.2 ft at 4:00pm Feb 1 Observed: 47.2 ft at 5:00pm Feb 1 Observed: 47.2 ft at 6:00pm Feb 1 Observed: 47.2 ft at 7:00pm Feb 1 Observed: 47.2 ft at 8:00pm Feb 1 Observed: 47.2 ft at 9:00pm Feb 1 Observed: 47.2 ft at 10:00pm Feb 1 Observed: 47.2 ft at 11:00pm Feb 1 Observed: 47.1 ft at 6:00am Feb 2 Observed: 47 ft at 4:00pm Feb 2 Observed: 47 ft at 5:00pm Feb 2 Observed: 47 ft at 6:00pm Feb 2 Observed: 47 ft at 7:00pm Feb 2 Observed: 47 ft at 8:00pm Feb 2 Observed: 47 ft at 9:00pm Feb 2 Observed: 47 ft at 10:00pm Feb 2 Observed: 47 ft at 11:00pm Feb 2 Observed: 47 ft at 6:00am Feb 3 Observed: 47 ft at 4:00pm Feb 3 Observed: 47 ft at 5:00pm Feb 3 Observed: 47 ft at 6:00pm Feb 3 Observed: 47 ft at 7:00pm Feb 3 Observed: 47 ft at 8:00pm Feb 3 Observed: 47 ft at 9:00pm Feb 3 Observed: 46.9 ft at 10:00pm Feb 3 Observed: 46.9 ft at 11:00pm Feb 3 Observed: 46.8 ft at 6:00am Feb 4 Observed: 46.6 ft at 4:00pm Feb 4 Observed: 46.6 ft at 5:00pm Feb 4 Observed: 46.6 ft at 6:00pm Feb 4 Observed: 46.6 ft at 7:00pm Feb 4 Observed: 46.5 ft at 8:00pm Feb 4 Observed: 46.5 ft at 9:00pm Feb 4 Observed: 46.5 ft at 10:00pm Feb 4 Observed: 46.5 ft at 11:00pm Feb 4 Observed: 46.3 ft at 6:00am Feb 5 Observed: 46 ft at 4:00pm Feb 5 Observed: 46 ft at 5:00pm Feb 5 Observed: 46 ft at 6:00pm Feb 5 Observed: 46 ft at 7:00pm Feb 5 Observed: 45.9 ft at 8:00pm Feb 5 Observed: 45.9 ft at 9:00pm Feb 5 Observed: 45.9 ft at 10:00pm Feb 5 Observed: 45.9 ft at 11:00pm Feb 5 Observed: 45.8 ft at 6:00am Feb 6 Observed: 45.4 ft at 4:00pm Feb 6 Observed: 45.4 ft at 5:00pm Feb 6 Observed: 45.3 ft at 6:00pm Feb 6 Observed: 45.3 ft at 7:00pm Feb 6 Observed: 45.3 ft at 8:00pm Feb 6 Observed: 45.3 ft at 9:00pm Feb 6 Observed: 45.2 ft at 10:00pm Feb 6 Observed: 45.1 ft at 11:00pm Feb 6 Observed: 44.7 ft at 6:00am Feb 7 Observed: 44.2 ft at 4:00pm Feb 7 Observed: 44.2 ft at 5:00pm Feb 7 Observed: 44.2 ft at 6:00pm Feb 7 Observed: 44.1 ft at 7:00pm Feb 7 Observed: 44.1 ft at 8:00pm Feb 7 Observed: 44 ft at 9:00pm Feb 7 Observed: 44 ft at 10:00pm Feb 7 Observed: 43.9 ft at 11:00pm Feb 7 Observed: 43.7 ft at 6:00am Feb 8 Observed: 43.4 ft at 4:00pm Feb 8 Observed: 43.3 ft at 5:00pm Feb 8 Observed: 43.3 ft at 6:00pm Feb 8 Observed: 43.3 ft at 7:00pm Feb 8 Observed: 43.3 ft at 8:00pm Feb 8 Observed: 43.3 ft at 9:00pm Feb 8 Observed: 43.3 ft at 10:00pm Feb 8 Observed: 43.3 ft at 11:00pm Feb 8 Observed: 43.2 ft at 6:00am Feb 9 Observed: 43.2 ft at 4:00pm Feb 9 Observed: 43.2 ft at 5:00pm Feb 9 Observed: 43.3 ft at 6:00pm Feb 9 Forecast: 43.2 ft at 12:00am Feb 10 Forecast: 43.3 ft at 6:00am Feb 10 Forecast: 43.4 ft at 12:00pm Feb 10 Forecast: 43.6 ft at 6:00pm Feb 10 Forecast: 43.8 ft at 12:00am Feb 11 Forecast: 43.9 ft at 6:00am Feb 11 Forecast: 44.1 ft at 12:00pm Feb 11 Forecast: 44.3 ft at 6:00pm Feb 11 Forecast: 44.6 ft at 12:00am Feb 12 Forecast: 44.8 ft at 6:00am Feb 12 Forecast: 44.9 ft at 12:00pm Feb 12 Forecast: 45 ft at 6:00pm Feb 12 Forecast: 44.8 ft at 12:00am Feb 13 Forecast: 44.7 ft at 6:00am Feb 13 Forecast: 44.5 ft at 12:00pm Feb 13 Forecast: 44.4 ft at 6:00pm Feb 13 Forecast: 44.2 ft at 12:00am Feb 14 Forecast: 44 ft at 6:00am Feb 14 Graph Created (2:58am Feb 10, 2010) Observed Forecast (issued 7:20pm Feb 9) GCTI2 (plotting HPIRZ) Gage 0 Datum: 273.10 Latest observed value: 43.3 ft at 6:00 PM CST 9-Feb-2010. Flood Stage is 42.0 ft. Pool (ft) Flow (kcfs)
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NOTE: Forecasts for the Ohio River at Grand Chain Lock and Dam are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Brookport Lock and Dam Upstream Gauge Downstream Gauge Downstream Gauge - at Cairo

Flood Categories (in feet)
Major Flood Stage:53
Moderate Flood Stage:48
Flood Stage:42
Action Stage:40

Historical Crests
(1) 64.00 ft on 02/02/1937
(2) 57.80 ft on 03/15/1997
(3) 57.60 ft on 04/03/1975
(4) 56.40 ft on 04/19/1927
(5) 56.30 ft on 03/11/1945
Show More Historical Crests

Low Water Records
(1) 13.7 ft on 09/09/2005
(2) 13.9 ft on 10/20/2000
(3) 14.2 ft on 08/24/2005
Show More Low Water Records

Ohio River at Grand Chain Lock and Dam location map

Flood Impacts & Photos Collapse
64.0 This flood will exceed the highest stage on record.
48.0 Water reaches the power house at Lock and Dam 53.
42.0 This will cause minor flooding of mainly low lying areas.
Photos
(1) Grand Chain Lock and Dam
(2) Ohio River Upstream
(3) Ohio River Downstream
(4) Incline Gage
(5) Incline Gage

About This Location Collapse
Latitude: 37.204000° N, Longitude: 89.042000° W, Horizontal Datum: NAD83

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 42 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 273.1 ft 315.1 ft  

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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
Paducah Weather Forecast Office
8250 Highway 3520
West Paducah, KY 42086-6440
(270) 744-6440
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