Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 
Hydrograph River at a Glance Download
Illinois River at Marseilles Lock & Dam (tailwater) Tailwater (ft)Flow (kcfs)Observed: 459.43 ft at 1:00AM Apr 04, 2021Observed: 459.42 ft at 1:30AM Apr 04, 2021Observed: 459.41 ft at 2:00AM Apr 04, 2021Observed: 459.41 ft at 2:30AM Apr 04, 2021Observed: 459.39 ft at 3:00AM Apr 04, 2021Observed: 459.4 ft at 3:30AM Apr 04, 2021Observed: 459.4 ft at 4:00AM Apr 04, 2021Observed: 459.55 ft at 4:30AM Apr 04, 2021Observed: 459.39 ft at 5:00AM Apr 04, 2021Observed: 459.38 ft at 5:30AM Apr 04, 2021Observed: 459.39 ft at 6:00AM Apr 04, 2021Observed: 459.38 ft at 6:30AM Apr 04, 2021Observed: 459.39 ft at 7:00AM Apr 04, 2021Observed: 459.5 ft at 7:30AM Apr 04, 2021Observed: 459.4 ft at 8:00AM Apr 04, 2021Observed: 459.4 ft at 8:30AM Apr 04, 2021Observed: 459.38 ft at 9:00AM Apr 04, 2021Observed: 459.38 ft at 9:30AM Apr 04, 2021Observed: 459.38 ft at 10:00AM Apr 04, 2021Observed: 459.38 ft at 10:30AM Apr 04, 2021Observed: 459.38 ft at 11:00AM Apr 04, 2021Observed: 459.38 ft at 11:30AM Apr 04, 2021Observed: 459.38 ft at 12:00PM Apr 04, 2021Observed: 459.38 ft at 12:30PM Apr 04, 2021Observed: 459.53 ft at 1:00PM Apr 04, 2021Observed: 459.4 ft at 1:30PM Apr 04, 2021Observed: 459.4 ft at 2:00PM Apr 04, 2021Observed: 459.4 ft at 2:30PM Apr 04, 2021Observed: 459.41 ft at 3:00PM Apr 04, 2021Observed: 459.4 ft at 3:30PM Apr 04, 2021Observed: 459.4 ft at 4:00PM Apr 04, 2021Observed: 459.4 ft at 4:30PM Apr 04, 2021Observed: 459.4 ft at 5:00PM Apr 04, 2021Observed: 459.41 ft at 5:30PM Apr 04, 2021Observed: 459.41 ft at 6:00PM Apr 04, 2021Observed: 459.41 ft at 6:30PM Apr 04, 2021Observed: 459.43 ft at 7:00PM Apr 04, 2021Observed: 459.42 ft at 7:30PM Apr 04, 2021Observed: 459.42 ft at 8:00PM Apr 04, 2021Observed: 459.42 ft at 8:30PM Apr 04, 2021Observed: 459.42 ft at 9:00PM Apr 04, 2021Observed: 459.55 ft at 9:30PM Apr 04, 2021Observed: 459.47 ft at 10:00PM Apr 04, 2021Observed: 459.45 ft at 10:30PM Apr 04, 2021Observed: 459.52 ft at 11:00PM Apr 04, 2021Observed: 459.46 ft at 11:30PM Apr 04, 2021Observed: 459.46 ft at 12:00AM Apr 05, 2021Observed: 459.44 ft at 12:30AM Apr 05, 2021Observed: 459.48 ft at 1:00AM Apr 05, 2021Observed: 459.35 ft at 1:30AM Apr 05, 2021Observed: 459.27 ft at 2:00AM Apr 05, 2021Observed: 459.24 ft at 2:30AM Apr 05, 2021Observed: 459.23 ft at 3:00AM Apr 05, 2021Observed: 459.22 ft at 3:30AM Apr 05, 2021Observed: 459.22 ft at 4:00AM Apr 05, 2021Observed: 459.22 ft at 4:30AM Apr 05, 2021Observed: 459.2 ft at 5:00AM Apr 05, 2021Observed: 459.2 ft at 5:30AM Apr 05, 2021Observed: 459.21 ft at 6:00AM Apr 05, 2021Observed: 459.21 ft at 6:30AM Apr 05, 2021Observed: 459.45 ft at 7:00AM Apr 05, 2021Observed: 459.4 ft at 7:30AM Apr 05, 2021Observed: 459.4 ft at 8:00AM Apr 05, 2021Observed: 459.42 ft at 8:30AM Apr 05, 2021Observed: 459.44 ft at 9:00AM Apr 05, 2021Observed: 459.43 ft at 9:30AM Apr 05, 2021Observed: 459.42 ft at 10:00AM Apr 05, 2021Observed: 459.43 ft at 10:30AM Apr 05, 2021Observed: 459.43 ft at 11:00AM Apr 05, 2021Observed: 459.46 ft at 11:30AM Apr 05, 2021Observed: 459.44 ft at 12:00PM Apr 05, 2021Observed: 459.42 ft at 12:30PM Apr 05, 2021Observed: 459.43 ft at 1:00PM Apr 05, 2021Observed: 459.45 ft at 1:30PM Apr 05, 2021Observed: 459.5 ft at 2:00PM Apr 05, 2021Observed: 459.48 ft at 2:30PM Apr 05, 2021Observed: 459.64 ft at 3:00PM Apr 05, 2021Observed: 459.55 ft at 3:30PM Apr 05, 2021Observed: 459.5 ft at 4:00PM Apr 05, 2021Observed: 459.45 ft at 4:30PM Apr 05, 2021Observed: 459.41 ft at 5:00PM Apr 05, 2021Observed: 459.41 ft at 5:30PM Apr 05, 2021Observed: 459.43 ft at 6:00PM Apr 05, 2021Observed: 459.44 ft at 6:30PM Apr 05, 2021Observed: 459.46 ft at 7:00PM Apr 05, 2021Observed: 459.33 ft at 7:30PM Apr 05, 2021Observed: 459.38 ft at 8:00PM Apr 05, 2021Observed: 459.46 ft at 8:30PM Apr 05, 2021Observed: 459.36 ft at 9:00PM Apr 05, 2021Observed: 459.36 ft at 9:30PM Apr 05, 2021Observed: 459.38 ft at 10:00PM Apr 05, 2021Observed: 459.34 ft at 10:30PM Apr 05, 2021Observed: 459.35 ft at 11:00PM Apr 05, 2021Observed: 459.34 ft at 11:30PM Apr 05, 2021Observed: 459.32 ft at 12:00AM Apr 06, 2021Observed: 459.48 ft at 12:30AM Apr 06, 2021Observed: 459.38 ft at 1:00AM Apr 06, 2021Observed: 459.4 ft at 1:30AM Apr 06, 2021Observed: 459.37 ft at 2:00AM Apr 06, 2021Observed: 459.41 ft at 2:30AM Apr 06, 2021Observed: 459.43 ft at 3:00AM Apr 06, 2021Observed: 459.44 ft at 3:30AM Apr 06, 2021Observed: 459.42 ft at 4:00AM Apr 06, 2021Observed: 459.43 ft at 4:30AM Apr 06, 2021Observed: 459.43 ft at 6:00AM Apr 06, 2021Observed: 459.44 ft at 6:30AM Apr 06, 2021Observed: 459.43 ft at 7:00AM Apr 06, 2021Observed: 459.43 ft at 7:30AM Apr 06, 2021Observed: 459.43 ft at 8:00AM Apr 06, 2021Observed: 459.44 ft at 8:30AM Apr 06, 2021Observed: 459.43 ft at 9:00AM Apr 06, 2021Observed: 459.45 ft at 9:30AM Apr 06, 2021Observed: 459.58 ft at 10:00AM Apr 06, 2021Observed: 459.53 ft at 10:30AM Apr 06, 2021Observed: 459.53 ft at 11:00AM Apr 06, 2021Observed: 459.7 ft at 11:30AM Apr 06, 2021Observed: 459.48 ft at 12:00PM Apr 06, 2021Observed: 459.56 ft at 12:30PM Apr 06, 2021Observed: 459.46 ft at 1:00PM Apr 06, 2021Observed: 459.46 ft at 1:30PM Apr 06, 2021Observed: 459.5 ft at 2:00PM Apr 06, 2021Observed: 459.5 ft at 2:30PM Apr 06, 2021Observed: 459.48 ft at 3:00PM Apr 06, 2021Observed: 459.5 ft at 3:30PM Apr 06, 2021Observed: 459.6 ft at 4:00PM Apr 06, 2021Observed: 459.48 ft at 4:30PM Apr 06, 2021Observed: 459.42 ft at 5:00PM Apr 06, 2021Observed: 459.3 ft at 5:30PM Apr 06, 2021Observed: 459.31 ft at 6:00PM Apr 06, 2021Observed: 459.16 ft at 6:30PM Apr 06, 2021Observed: 459.12 ft at 7:00PM Apr 06, 2021Observed: 459.09 ft at 7:30PM Apr 06, 2021Observed: 459.05 ft at 8:00PM Apr 06, 2021Observed: 459.01 ft at 8:30PM Apr 06, 2021Observed: 459.08 ft at 9:00PM Apr 06, 2021Observed: 458.96 ft at 9:30PM Apr 06, 2021Observed: 459.01 ft at 10:00PM Apr 06, 2021Observed: 459.05 ft at 10:30PM Apr 06, 2021Observed: 458.98 ft at 11:00PM Apr 06, 2021Observed: 459.06 ft at 11:30PM Apr 06, 2021Observed: 459.1 ft at 12:00AM Apr 07, 2021Observed: 459.11 ft at 12:30AM Apr 07, 2021Observed: 459.24 ft at 1:00AM Apr 07, 2021Observed: 459.26 ft at 1:30AM Apr 07, 2021Observed: 459.38 ft at 2:00AM Apr 07, 2021Observed: 459.3 ft at 2:30AM Apr 07, 2021Observed: 459.3 ft at 3:00AM Apr 07, 2021Observed: 459.38 ft at 3:30AM Apr 07, 2021Observed: 459.35 ft at 4:00AM Apr 07, 2021Observed: 459.3 ft at 4:30AM Apr 07, 2021Observed: 459.3 ft at 5:00AM Apr 07, 2021Observed: 459.3 ft at 5:30AM Apr 07, 2021Observed: 459.3 ft at 6:00AM Apr 07, 2021Observed: 459.29 ft at 6:30AM Apr 07, 2021Observed: 459.28 ft at 7:00AM Apr 07, 2021Observed: 459.46 ft at 7:30AM Apr 07, 2021Observed: 459.31 ft at 8:00AM Apr 07, 2021Observed: 459.24 ft at 8:30AM Apr 07, 2021Observed: 459.21 ft at 9:00AM Apr 07, 2021Observed: 459.19 ft at 9:30AM Apr 07, 2021Observed: 459.21 ft at 10:00AM Apr 07, 2021Observed: 459.22 ft at 10:30AM Apr 07, 2021Observed: 459.23 ft at 11:00AM Apr 07, 2021Observed: 459.3 ft at 11:30AM Apr 07, 2021Observed: 459.23 ft at 12:00PM Apr 07, 2021Observed: 459.25 ft at 12:30PM Apr 07, 2021Observed: 459.39 ft at 1:00PM Apr 07, 2021Observed: 459.23 ft at 1:30PM Apr 07, 2021Observed: 459.3 ft at 2:00PM Apr 07, 2021Observed: 459.33 ft at 2:30PM Apr 07, 2021Observed: 459.3 ft at 3:00PM Apr 07, 2021Observed: 459.43 ft at 3:30PM Apr 07, 2021Observed: 459.25 ft at 4:00PM Apr 07, 2021Observed: 459.22 ft at 4:30PM Apr 07, 2021Observed: 459.33 ft at 5:00PM Apr 07, 2021Observed: 459.3 ft at 5:30PM Apr 07, 2021Observed: 459.23 ft at 6:00PM Apr 07, 2021Observed: 459.24 ft at 6:30PM Apr 07, 2021Observed: 459.26 ft at 7:00PM Apr 07, 2021Observed: 459.32 ft at 7:30PM Apr 07, 2021Observed: 459.25 ft at 8:00PM Apr 07, 2021Observed: 459.44 ft at 8:30PM Apr 07, 2021Observed: 459.38 ft at 9:00PM Apr 07, 2021Observed: 459.34 ft at 9:30PM Apr 07, 2021Observed: 459.36 ft at 10:00PM Apr 07, 2021Observed: 459.38 ft at 10:30PM Apr 07, 2021Observed: 459.39 ft at 11:00PM Apr 07, 2021Observed: 459.48 ft at 11:30PM Apr 07, 2021Observed: 459.46 ft at 12:00AM Apr 08, 2021Observed: 459.42 ft at 12:30AM Apr 08, 2021Observed: 459.42 ft at 1:00AM Apr 08, 2021Observed: 459.4 ft at 1:30AM Apr 08, 2021Observed: 459.42 ft at 2:00AM Apr 08, 2021Observed: 459.43 ft at 2:30AM Apr 08, 2021Observed: 459.4 ft at 3:00AM Apr 08, 2021Observed: 459.4 ft at 3:30AM Apr 08, 2021Observed: 459.4 ft at 4:00AM Apr 08, 2021Observed: 459.4 ft at 4:30AM Apr 08, 2021Observed: 459.4 ft at 5:00AM Apr 08, 2021Observed: 459.4 ft at 5:30AM Apr 08, 2021Observed: 459.4 ft at 6:00AM Apr 08, 2021Observed: 459.37 ft at 6:30AM Apr 08, 2021Observed: 459.39 ft at 7:00AM Apr 08, 2021Observed: 459.45 ft at 7:30AM Apr 08, 2021Observed: 459.41 ft at 8:00AM Apr 08, 2021Observed: 459.31 ft at 8:30AM Apr 08, 2021Observed: 459.36 ft at 9:00AM Apr 08, 2021Observed: 459.28 ft at 9:30AM Apr 08, 2021Observed: 459.24 ft at 10:00AM Apr 08, 2021Observed: 459.25 ft at 10:30AM Apr 08, 2021Observed: 459.2 ft at 11:00AM Apr 08, 2021Observed: 459.14 ft at 11:30AM Apr 08, 2021Observed: 459.05 ft at 12:00PM Apr 08, 2021Observed: 459.03 ft at 12:30PM Apr 08, 2021Observed: 459.08 ft at 1:00PM Apr 08, 2021Observed: 459.08 ft at 1:30PM Apr 08, 2021Observed: 459.11 ft at 2:00PM Apr 08, 2021Observed: 459.09 ft at 2:30PM Apr 08, 2021Observed: 459.12 ft at 3:00PM Apr 08, 2021Observed: 459.16 ft at 3:30PM Apr 08, 2021Observed: 459.19 ft at 4:00PM Apr 08, 2021Observed: 459.2 ft at 4:30PM Apr 08, 2021Observed: 459.3 ft at 5:00PM Apr 08, 2021Observed: 459.26 ft at 5:30PM Apr 08, 2021Observed: 459.26 ft at 6:00PM Apr 08, 2021Observed: 459.24 ft at 6:30PM Apr 08, 2021Observed: 459.38 ft at 7:00PM Apr 08, 2021Observed: 459.26 ft at 7:30PM Apr 08, 2021Observed: 459.23 ft at 8:00PM Apr 08, 2021Observed: 459.22 ft at 8:30PM Apr 08, 2021Observed: 459.32 ft at 9:00PM Apr 08, 2021Observed: 459.24 ft at 9:30PM Apr 08, 2021Observed: 459.25 ft at 10:00PM Apr 08, 2021Observed: 459.24 ft at 10:30PM Apr 08, 2021Observed: 459.24 ft at 11:00PM Apr 08, 2021Observed: 459.24 ft at 11:30PM Apr 08, 2021Observed: 459.42 ft at 12:00AM Apr 09, 2021Observed: 459.24 ft at 12:30AM Apr 09, 2021Observed: 459.23 ft at 1:00AM Apr 09, 2021Observed: 459.24 ft at 1:30AM Apr 09, 2021Observed: 459.41 ft at 2:00AM Apr 09, 2021Observed: 459.43 ft at 2:30AM Apr 09, 2021Observed: 459.39 ft at 3:00AM Apr 09, 2021Observed: 459.43 ft at 3:30AM Apr 09, 2021Observed: 459.43 ft at 4:00AM Apr 09, 2021Observed: 459.44 ft at 4:30AM Apr 09, 2021Observed: 459.44 ft at 5:00AM Apr 09, 2021Observed: 459.44 ft at 5:30AM Apr 09, 2021Observed: 459.42 ft at 6:00AM Apr 09, 2021Observed: 459.44 ft at 6:30AM Apr 09, 2021Observed: 459.42 ft at 7:00AM Apr 09, 2021Observed: 459.55 ft at 7:30AM Apr 09, 2021Observed: 459.48 ft at 8:00AM Apr 09, 2021Observed: 459.44 ft at 8:30AM Apr 09, 2021Observed: 459.45 ft at 9:00AM Apr 09, 2021Observed: 459.58 ft at 9:30AM Apr 09, 2021Observed: 459.5 ft at 10:00AM Apr 09, 2021Observed: 459.49 ft at 10:30AM Apr 09, 2021Observed: 459.5 ft at 11:00AM Apr 09, 2021Highest Observation: 459.71 ft at 11:30AM Apr 09, 2021Observed: 459.47 ft at 12:00PM Apr 09, 2021Observed: 459.38 ft at 12:30PM Apr 09, 2021Observed: 459.4 ft at 1:00PM Apr 09, 2021Observed: 459.39 ft at 1:30PM Apr 09, 2021Observed: 459.39 ft at 2:00PM Apr 09, 2021Observed: 459.33 ft at 2:30PM Apr 09, 2021Observed: 459.36 ft at 3:00PM Apr 09, 2021Observed: 459.3 ft at 3:30PM Apr 09, 2021Observed: 459.26 ft at 4:00PM Apr 09, 2021Observed: 459.25 ft at 4:30PM Apr 09, 2021Observed: 459.3 ft at 5:00PM Apr 09, 2021Observed: 459.39 ft at 5:30PM Apr 09, 2021Observed: 459.38 ft at 6:00PM Apr 09, 2021Observed: 459.36 ft at 6:30PM Apr 09, 2021Observed: 459.36 ft at 7:00PM Apr 09, 2021Observed: 459.36 ft at 7:30PM Apr 09, 2021Observed: 459.34 ft at 8:00PM Apr 09, 2021Observed: 459.33 ft at 8:30PM Apr 09, 2021Observed: 459.33 ft at 9:00PM Apr 09, 2021Observed: 459.33 ft at 9:30PM Apr 09, 2021Observed: 459.33 ft at 10:00PM Apr 09, 2021Observed: 459.32 ft at 10:30PM Apr 09, 2021Observed: 459.32 ft at 11:00PM Apr 09, 2021Observed: 459.32 ft at 11:30PM Apr 09, 2021Observed: 459.32 ft at 12:00AM Apr 10, 2021Observed: 459.32 ft at 12:30AM Apr 10, 2021Observed: 459.32 ft at 1:00AM Apr 10, 2021Observed: 459.36 ft at 1:30AM Apr 10, 2021Observed: 459.39 ft at 2:00AM Apr 10, 2021Observed: 459.4 ft at 2:30AM Apr 10, 2021Observed: 459.4 ft at 3:00AM Apr 10, 2021Observed: 459.38 ft at 3:30AM Apr 10, 2021Observed: 459.41 ft at 4:00AM Apr 10, 2021Observed: 459.44 ft at 4:30AM Apr 10, 2021Observed: 459.45 ft at 5:00AM Apr 10, 2021Observed: 459.52 ft at 5:30AM Apr 10, 2021Observed: 459.46 ft at 6:00AM Apr 10, 2021Observed: 459.42 ft at 6:30AM Apr 10, 2021Observed: 459.41 ft at 7:00AM Apr 10, 2021Observed: 459.45 ft at 7:30AM Apr 10, 2021Observed: 459.44 ft at 8:00AM Apr 10, 2021Observed: 459.46 ft at 8:30AM Apr 10, 2021Observed: 459.57 ft at 9:00AM Apr 10, 2021Observed: 459.38 ft at 9:30AM Apr 10, 2021Observed: 459.43 ft at 10:00AM Apr 10, 2021Observed: 459.45 ft at 10:30AM Apr 10, 2021Observed: 459.43 ft at 11:00AM Apr 10, 2021Observed: 459.45 ft at 11:30AM Apr 10, 2021Observed: 459.45 ft at 12:00PM Apr 10, 2021Observed: 459.44 ft at 12:30PM Apr 10, 2021Observed: 459.44 ft at 1:00PM Apr 10, 2021Observed: 459.45 ft at 1:30PM Apr 10, 2021Observed: 459.42 ft at 2:00PM Apr 10, 2021Observed: 459.43 ft at 2:30PM Apr 10, 2021Observed: 459.6 ft at 3:00PM Apr 10, 2021Observed: 459.51 ft at 3:30PM Apr 10, 2021Observed: 459.53 ft at 4:00PM Apr 10, 2021Observed: 459.55 ft at 4:30PM Apr 10, 2021Observed: 459.6 ft at 5:00PM Apr 10, 2021Observed: 459.61 ft at 5:30PM Apr 10, 2021Observed: 459.7 ft at 6:00PM Apr 10, 2021Observed: 459.63 ft at 6:30PM Apr 10, 2021Observed: 459.58 ft at 7:00PM Apr 10, 2021Observed: 459.68 ft at 7:30PM Apr 10, 2021Observed: 459.57 ft at 8:00PM Apr 10, 2021Observed: 459.54 ft at 8:30PM Apr 10, 2021Observed: 459.52 ft at 9:00PM Apr 10, 2021Observed: 459.48 ft at 9:30PM Apr 10, 2021Observed: 459.47 ft at 10:00PM Apr 10, 2021Observed: 459.46 ft at 10:30PM Apr 10, 2021Observed: 459.45 ft at 11:00PM Apr 10, 2021Observed: 459.42 ft at 11:30PM Apr 10, 2021Forecast: 459.5 ft 1:00AM Apr 11, 2021Forecast: 459.6 ft 7:00AM Apr 11, 2021Forecast: 459.8 ft 1:00PM Apr 11, 2021Forecast: 460.1 ft 7:00PM Apr 11, 2021Forecast: 460.4 ft 1:00AM Apr 12, 2021Highest Forecast: 460.5 ft 7:00AM Apr 12, 2021Highest Forecast: 460.5 ft 1:00PM Apr 12, 2021Highest Forecast: 460.5 ft 7:00PM Apr 12, 2021Forecast: 460.4 ft 1:00AM Apr 13, 2021Forecast: 460.2 ft 7:00AM Apr 13, 2021Forecast: 460.1 ft 1:00PM Apr 13, 2021Forecast: 460 ft 7:00PM Apr 13, 2021Forecast: 459.9 ft 1:00AM Apr 14, 2021Forecast: 459.8 ft 7:00AM Apr 14, 2021Forecast: 459.7 ft 1:00PM Apr 14, 2021Forecast: 459.7 ft 7:00PM Apr 14, 2021Forecast: 459.6 ft 1:00AM Apr 15, 2021Forecast: 459.6 ft 7:00AM Apr 15, 2021Forecast: 459.5 ft 1:00PM Apr 15, 2021Forecast: 459.5 ft 7:00PM Apr 15, 2021Forecast: 459.5 ft 1:00AM Apr 16, 2021Forecast: 459.5 ft 7:00AM Apr 16, 2021Forecast: 459.4 ft 1:00PM Apr 16, 2021Forecast: 459.4 ft 7:00PM Apr 16, 2021Forecast: 459.4 ft 1:00AM Apr 17, 2021Forecast: 459.4 ft 7:00AM Apr 17, 2021USGS--Water Resources of the United StatesMMOI2(plotting HTIRG) Graph Created (12:55AM Apr 11, 2021)ObservedForecast (issued 10:50AM Apr 10)Latest observed value: 459.42 ft at 11:30 PM CDT 10-Apr-2021. Flood Stage is 467 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
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 Marseilles Lock & Dam (tailwater) are issued routinely year-round.

Return to Area Map
Upstream Gauge - at Morris Upstream Gauge Downstream Gauge Downstream Gauge - at Ottawa
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 467
Action Stage: 0
Low Stage (in feet): 456.5

Historic Crests
(1) 484.74 ft on 05/03/2019
(2) 476.72 ft on 04/19/2013
(3) 475.89 ft on 09/16/2008
(4) 474.83 ft on 02/22/1997
(5) 474.70 ft on 04/09/1983
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 484.74 ft on 05/03/2019
(2) 474.30 ft on 02/22/2018 (P)
(3) 469.00 ft on 05/02/2017
(4) 476.72 ft on 04/19/2013
(5) 472.33 ft on 12/29/2008
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
KML Image
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.
Low Water Impacts Collapse
If you notice any errors in the below information, please contact our Webmaster
456.5 Low water levels begin to impact shipping interests along the river.
About This Location Collapse

Latitude: 41.325000° N, Longitude: 88.706944° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 467 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 Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 0 ft 485.6 ft  

Current/Historical Observations:

Additional Information Collapse
How much forecast precipitation was used for the current river forecast?
Resources Collapse
Hydrologic Resources Additional Resources
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
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities