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Hydrograph River at a Glance Download
Illinois River at Peoria Lock and Dam Tailwater (ft)Observed: 431.19 ft at 4:00PM Jan 11, 2021Observed: 431.2 ft at 6:00PM Jan 11, 2021Observed: 431.22 ft at 8:00PM Jan 11, 2021Observed: 431.22 ft at 10:00PM Jan 11, 2021Observed: 431.15 ft at 12:00AM Jan 12, 2021Observed: 431.1 ft at 2:00AM Jan 12, 2021Observed: 431 ft at 4:00AM Jan 12, 2021Observed: 430.99 ft at 6:00AM Jan 12, 2021Observed: 431.04 ft at 8:00AM Jan 12, 2021Observed: 431.06 ft at 10:00AM Jan 12, 2021Observed: 430.96 ft at 12:00PM Jan 12, 2021Observed: 430.98 ft at 2:00PM Jan 12, 2021Observed: 430.98 ft at 4:00PM Jan 12, 2021Observed: 431.26 ft at 6:00PM Jan 12, 2021Observed: 431.31 ft at 8:00PM Jan 12, 2021Observed: 431.39 ft at 10:00PM Jan 12, 2021Observed: 431.39 ft at 12:00AM Jan 13, 2021Observed: 431.45 ft at 2:00AM Jan 13, 2021Observed: 431.48 ft at 4:00AM Jan 13, 2021Observed: 431.58 ft at 6:00AM Jan 13, 2021Observed: 431.57 ft at 8:00AM Jan 13, 2021Observed: 431.58 ft at 10:00AM Jan 13, 2021Observed: 431.59 ft at 12:00PM Jan 13, 2021Observed: 431.62 ft at 2:00PM Jan 13, 2021Observed: 431.63 ft at 4:00PM Jan 13, 2021Observed: 431.68 ft at 6:00PM Jan 13, 2021Observed: 431.68 ft at 8:00PM Jan 13, 2021Observed: 431.68 ft at 10:00PM Jan 13, 2021Observed: 431.6 ft at 12:00AM Jan 14, 2021Observed: 431.62 ft at 2:00AM Jan 14, 2021Observed: 431.59 ft at 4:00AM Jan 14, 2021Observed: 431.65 ft at 6:00AM Jan 14, 2021Observed: 431.64 ft at 8:00AM Jan 14, 2021Observed: 431.67 ft at 10:00AM Jan 14, 2021Observed: 431.68 ft at 12:00PM Jan 14, 2021Observed: 431.72 ft at 2:00PM Jan 14, 2021Observed: 431.77 ft at 4:00PM Jan 14, 2021Observed: 431.74 ft at 6:00PM Jan 14, 2021Observed: 431.73 ft at 8:00PM Jan 14, 2021Observed: 431.76 ft at 10:00PM Jan 14, 2021Observed: 431.77 ft at 12:00AM Jan 15, 2021Observed: 431.77 ft at 2:00AM Jan 15, 2021Observed: 431.76 ft at 4:00AM Jan 15, 2021Observed: 431.73 ft at 6:00AM Jan 15, 2021Observed: 431.71 ft at 8:00AM Jan 15, 2021Observed: 431.69 ft at 10:00AM Jan 15, 2021Observed: 431.74 ft at 12:00PM Jan 15, 2021Observed: 431.73 ft at 2:00PM Jan 15, 2021Observed: 431.77 ft at 4:00PM Jan 15, 2021Observed: 431.87 ft at 6:00PM Jan 15, 2021Observed: 432.02 ft at 8:00PM Jan 15, 2021Observed: 432.13 ft at 10:00PM Jan 15, 2021Observed: 431.2 ft at 12:00AM Jan 16, 2021Observed: 432.35 ft at 2:00AM Jan 16, 2021Observed: 432.49 ft at 4:00AM Jan 16, 2021Observed: 432.57 ft at 6:00AM Jan 16, 2021Observed: 432.67 ft at 8:00AM Jan 16, 2021Observed: 432.72 ft at 10:00AM Jan 16, 2021Observed: 432.78 ft at 12:00PM Jan 16, 2021Observed: 432.84 ft at 2:00PM Jan 16, 2021Observed: 432.82 ft at 4:00PM Jan 16, 2021Observed: 432.85 ft at 6:00PM Jan 16, 2021Observed: 432.8 ft at 8:00PM Jan 16, 2021Observed: 432.8 ft at 2:00AM Jan 17, 2021Observed: 432.77 ft at 4:00AM Jan 17, 2021Observed: 432.88 ft at 6:00AM Jan 17, 2021Observed: 432.67 ft at 8:00AM Jan 17, 2021Observed: 432.7 ft at 10:00AM Jan 17, 2021Observed: 432.71 ft at 12:00PM Jan 17, 2021Observed: 432.76 ft at 2:00PM Jan 17, 2021Observed: 432.74 ft at 4:00PM Jan 17, 2021Observed: 432.72 ft at 6:00PM Jan 17, 2021Observed: 432.7 ft at 8:00PM Jan 17, 2021Observed: 432.74 ft at 10:00PM Jan 17, 2021Observed: 432.78 ft at 12:00AM Jan 18, 2021Observed: 432.75 ft at 2:00AM Jan 18, 2021Observed: 432.76 ft at 4:00AM Jan 18, 2021Observed: 432.84 ft at 6:00AM Jan 18, 2021Observed: 432.89 ft at 8:00AM Jan 18, 2021Highest Observation: 432.97 ft at 10:00AM Jan 18, 2021Highest Observation: 432.97 ft at 12:00PM Jan 18, 2021Forecast: 433.1 ft 6:00PM Jan 18, 2021Forecast: 433.2 ft 12:00AM Jan 19, 2021Forecast: 433.3 ft 6:00AM Jan 19, 2021Highest Forecast: 433.4 ft 12:00PM Jan 19, 2021Highest Forecast: 433.4 ft 6:00PM Jan 19, 2021Highest Forecast: 433.4 ft 12:00AM Jan 20, 2021Highest Forecast: 433.4 ft 6:00AM Jan 20, 2021Highest Forecast: 433.4 ft 12:00PM Jan 20, 2021Forecast: 433.3 ft 6:00PM Jan 20, 2021Forecast: 433.3 ft 12:00AM Jan 21, 2021Forecast: 433.2 ft 6:00AM Jan 21, 2021Forecast: 433.1 ft 12:00PM Jan 21, 2021Forecast: 433.1 ft 6:00PM Jan 21, 2021Forecast: 433 ft 12:00AM Jan 22, 2021Forecast: 432.9 ft 6:00AM Jan 22, 2021Forecast: 432.8 ft 12:00PM Jan 22, 2021Forecast: 432.7 ft 6:00PM Jan 22, 2021Forecast: 432.6 ft 12:00AM Jan 23, 2021Forecast: 432.5 ft 6:00AM Jan 23, 2021Forecast: 432.4 ft 12:00PM Jan 23, 2021Forecast: 432.3 ft 6:00PM Jan 23, 2021Forecast: 432.2 ft 12:00AM Jan 24, 2021Forecast: 432.2 ft 6:00AM Jan 24, 2021Forecast: 432.1 ft 12:00PM Jan 24, 2021Forecast: 432 ft 6:00PM Jan 24, 2021Forecast: 432 ft 12:00AM Jan 25, 2021Forecast: 431.9 ft 6:00AM Jan 25, 2021USACE - Water Levels of Rivers and LakesPRAI2(plotting HTIRZ) Graph Created (2:54PM Jan 18, 2021)ObservedForecast (issued 9:37AM Jan 18)Latest observed value: 432.97 ft at 12:00 PM CST 18-Jan-2021. Flood Stage is 447 ft
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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) 455.06 ft on 05/07/2019
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 454.89 ft on 05/22/2020 (P)
(2) 446.22 ft on 01/19/2020 (P)
(3) 447.19 ft on 11/04/2019 (P)
(4) 447.28 ft on 10/03/2019 (P)
(5) 447.54 ft on 06/24/2019
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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Gauge LocationGauge Map Marker
 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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