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Hydrograph River at a Glance Download
Illinois River at Peoria Lock and Dam Tailwater (ft)Observed: 443.54 ft at 4:00AM Nov 14, 2019Highest Observation: 443.61 ft at 6:00AM Nov 14, 2019Observed: 443.51 ft at 8:00AM Nov 14, 2019Observed: 443.56 ft at 10:00AM Nov 14, 2019Observed: 443.42 ft at 12:00PM Nov 14, 2019Observed: 443.39 ft at 2:00PM Nov 14, 2019Observed: 443.39 ft at 4:00PM Nov 14, 2019Observed: 443.35 ft at 6:00PM Nov 14, 2019Observed: 443.38 ft at 8:00PM Nov 14, 2019Observed: 443.24 ft at 10:00PM Nov 14, 2019Observed: 443.3 ft at 12:00AM Nov 15, 2019Observed: 443.2 ft at 2:00AM Nov 15, 2019Observed: 443.11 ft at 6:00AM Nov 15, 2019Observed: 443.09 ft at 8:00AM Nov 15, 2019Observed: 443.05 ft at 10:00AM Nov 15, 2019Observed: 442.99 ft at 12:00PM Nov 15, 2019Observed: 442.96 ft at 2:00PM Nov 15, 2019Observed: 442.92 ft at 4:00PM Nov 15, 2019Observed: 442.91 ft at 6:00PM Nov 15, 2019Observed: 442.84 ft at 8:00PM Nov 15, 2019Observed: 442.83 ft at 10:00PM Nov 15, 2019Observed: 442.79 ft at 12:00AM Nov 16, 2019Observed: 442.76 ft at 2:00AM Nov 16, 2019Observed: 442.73 ft at 4:00AM Nov 16, 2019Observed: 442.69 ft at 6:00AM Nov 16, 2019Observed: 442.67 ft at 8:00AM Nov 16, 2019Observed: 442.6 ft at 10:00AM Nov 16, 2019Observed: 442.55 ft at 12:00PM Nov 16, 2019Observed: 442.52 ft at 2:00PM Nov 16, 2019Observed: 442.5 ft at 4:00PM Nov 16, 2019Observed: 442.45 ft at 6:00PM Nov 16, 2019Observed: 442.4 ft at 8:00PM Nov 16, 2019Observed: 442.37 ft at 10:00PM Nov 16, 2019Observed: 442.33 ft at 12:00AM Nov 17, 2019Observed: 442.29 ft at 2:00AM Nov 17, 2019Observed: 442.26 ft at 4:00AM Nov 17, 2019Observed: 442.21 ft at 6:00AM Nov 17, 2019Observed: 442.15 ft at 8:00AM Nov 17, 2019Observed: 442.19 ft at 10:00AM Nov 17, 2019Observed: 442.04 ft at 12:00PM Nov 17, 2019Observed: 442.02 ft at 2:00PM Nov 17, 2019Observed: 442.05 ft at 4:00PM Nov 17, 2019Observed: 442.02 ft at 6:00PM Nov 17, 2019Observed: 441.92 ft at 8:00PM Nov 17, 2019Observed: 441.96 ft at 10:00PM Nov 17, 2019Observed: 441.94 ft at 12:00AM Nov 18, 2019Observed: 441.91 ft at 2:00AM Nov 18, 2019Observed: 441.87 ft at 4:00AM Nov 18, 2019Observed: 441.77 ft at 6:00AM Nov 18, 2019Observed: 441.73 ft at 8:00AM Nov 18, 2019Observed: 441.68 ft at 10:00AM Nov 18, 2019Observed: 441.63 ft at 12:00PM Nov 18, 2019Observed: 441.59 ft at 2:00PM Nov 18, 2019Observed: 441.56 ft at 4:00PM Nov 18, 2019Observed: 441.54 ft at 6:00PM Nov 18, 2019Observed: 441.5 ft at 8:00PM Nov 18, 2019Observed: 441.45 ft at 10:00PM Nov 18, 2019Observed: 441.42 ft at 12:00AM Nov 19, 2019Observed: 441.38 ft at 2:00AM Nov 19, 2019Observed: 441.34 ft at 4:00AM Nov 19, 2019Observed: 441.32 ft at 6:00AM Nov 19, 2019Observed: 441.28 ft at 8:00AM Nov 19, 2019Observed: 441.25 ft at 10:00AM Nov 19, 2019Observed: 441.22 ft at 12:00PM Nov 19, 2019Observed: 441.23 ft at 2:00PM Nov 19, 2019Observed: 441.18 ft at 4:00PM Nov 19, 2019Observed: 441.14 ft at 6:00PM Nov 19, 2019Observed: 441.1 ft at 8:00PM Nov 19, 2019Observed: 441.13 ft at 10:00PM Nov 19, 2019Observed: 441.09 ft at 12:00AM Nov 20, 2019Observed: 441.05 ft at 2:00AM Nov 20, 2019Observed: 441.01 ft at 4:00AM Nov 20, 2019Observed: 440.97 ft at 6:00AM Nov 20, 2019Observed: 440.93 ft at 8:00AM Nov 20, 2019Observed: 440.89 ft at 10:00AM Nov 20, 2019Observed: 440.85 ft at 12:00PM Nov 20, 2019Observed: 440.71 ft at 2:00PM Nov 20, 2019Observed: 440.68 ft at 4:00PM Nov 20, 2019Observed: 440.64 ft at 6:00PM Nov 20, 2019Observed: 440.59 ft at 8:00PM Nov 20, 2019Observed: 440.5 ft at 10:00PM Nov 20, 2019Highest Forecast: 440.6 ft 6:00AM Nov 21, 2019Forecast: 440.5 ft 12:00PM Nov 21, 2019Forecast: 440.4 ft 6:00PM Nov 21, 2019Forecast: 440.3 ft 12:00AM Nov 22, 2019Forecast: 440.2 ft 6:00AM Nov 22, 2019Forecast: 440.1 ft 12:00PM Nov 22, 2019Forecast: 440 ft 6:00PM Nov 22, 2019Forecast: 439.9 ft 12:00AM Nov 23, 2019Forecast: 439.8 ft 6:00AM Nov 23, 2019Forecast: 439.7 ft 12:00PM Nov 23, 2019Forecast: 439.6 ft 6:00PM Nov 23, 2019Forecast: 439.6 ft 12:00AM Nov 24, 2019Forecast: 439.5 ft 6:00AM Nov 24, 2019Forecast: 439.5 ft 12:00PM Nov 24, 2019Forecast: 439.4 ft 6:00PM Nov 24, 2019Forecast: 439.3 ft 12:00AM Nov 25, 2019Forecast: 439.3 ft 6:00AM Nov 25, 2019Forecast: 439.2 ft 12:00PM Nov 25, 2019Forecast: 439.1 ft 6:00PM Nov 25, 2019Forecast: 439 ft 12:00AM Nov 26, 2019Forecast: 438.9 ft 6:00AM Nov 26, 2019Forecast: 438.8 ft 12:00PM Nov 26, 2019Forecast: 438.7 ft 6:00PM Nov 26, 2019Forecast: 438.6 ft 12:00AM Nov 27, 2019Forecast: 438.5 ft 6:00AM Nov 27, 2019USACE - Water Levels of Rivers and LakesPRAI2(plotting HTIRZ) Graph Created (2:06AM Nov 21, 2019)ObservedForecast (issued 8:15AM Nov 20)Latest observed value: 440.5 ft at 10:00 PM CST 20-Nov-2019. Flood Stage is 447 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Illinois River at Peoria Lock and Dam are issued routinely year-round.

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Upstream Gauge - at Peoria Upstream Gauge Downstream Gauge Downstream Gauge - near Havana
Flood Categories (in feet)
Major Flood Stage: 455
Moderate Flood Stage: 449
Flood Stage: 447
Action Stage: 444
Low Stage (in feet): -9999

Historic Crests
(1) 456.57 ft on 04/24/2013
(2) 455.90 ft on 05/24/1943
(3) 455.80 ft on 03/23/1979
(4) 455.60 ft on 03/08/1985
(5) 455.04 ft on 05/07/2019 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 447.54 ft on 06/24/2019 (P)
(2) 454.16 ft on 06/02/2019 (P)
(3) 455.04 ft on 05/07/2019 (P)
(4) 444.62 ft on 04/19/2019 (P)
(5) 445.15 ft on 04/04/2019 (P)
Show More Recent 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:15
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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.
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Photos
(1) Looking Downstream
(2) Looking Upstream
About This Location Collapse

Latitude: 40.633330° N, Longitude: 89.625000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 447 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 447.0 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

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
Lincoln Weather Forecast Office
1362 State Route 10
Lincoln, IL 62656
(217) 732-3089
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