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Hydrograph River at a Glance Download
Mississippi River at Illinois City Tailwater (ft)Flow (kcfs)Observed: 16.47 ft at 6:10AM May 16, 2019Observed: 16.5 ft at 6:20AM May 16, 2019Observed: 16.49 ft at 6:30AM May 16, 2019Observed: 16.5 ft at 6:40AM May 16, 2019Observed: 16.49 ft at 6:50AM May 16, 2019Observed: 16.48 ft at 7:00AM May 16, 2019Observed: 16.47 ft at 7:10AM May 16, 2019Observed: 16.46 ft at 7:20AM May 16, 2019Observed: 16.46 ft at 7:30AM May 16, 2019Observed: 16.49 ft at 7:40AM May 16, 2019Observed: 16.47 ft at 7:50AM May 16, 2019Observed: 16.48 ft at 8:00AM May 16, 2019Observed: 16.47 ft at 8:10AM May 16, 2019Observed: 16.48 ft at 8:20AM May 16, 2019Observed: 16.45 ft at 8:30AM May 16, 2019Observed: 16.47 ft at 8:40AM May 16, 2019Observed: 16.45 ft at 8:50AM May 16, 2019Observed: 16.45 ft at 9:00AM May 16, 2019Observed: 16.44 ft at 9:10AM May 16, 2019Observed: 16.44 ft at 9:20AM May 16, 2019Observed: 16.45 ft at 9:30AM May 16, 2019Observed: 16.44 ft at 9:40AM May 16, 2019Observed: 16.44 ft at 9:50AM May 16, 2019Observed: 16.44 ft at 10:00AM May 16, 2019Observed: 16.43 ft at 10:10AM May 16, 2019Observed: 16.45 ft at 10:20AM May 16, 2019Observed: 16.45 ft at 10:30AM May 16, 2019Observed: 16.45 ft at 10:40AM May 16, 2019Observed: 16.44 ft at 10:50AM May 16, 2019Observed: 16.42 ft at 11:00AM May 16, 2019Observed: 16.41 ft at 11:10AM May 16, 2019Observed: 16.42 ft at 11:20AM May 16, 2019Observed: 16.42 ft at 11:30AM May 16, 2019Observed: 16.41 ft at 11:40AM May 16, 2019Observed: 16.42 ft at 11:50AM May 16, 2019Observed: 16.42 ft at 12:00PM May 16, 2019Observed: 16.4 ft at 12:10PM May 16, 2019Observed: 16.4 ft at 12:20PM May 16, 2019Observed: 16.38 ft at 12:30PM May 16, 2019Observed: 16.38 ft at 12:40PM May 16, 2019Observed: 16.39 ft at 12:50PM May 16, 2019Observed: 16.39 ft at 1:00PM May 16, 2019Observed: 16.39 ft at 1:10PM May 16, 2019Observed: 16.38 ft at 1:20PM May 16, 2019Observed: 16.38 ft at 1:30PM May 16, 2019Observed: 16.39 ft at 1:40PM May 16, 2019Observed: 16.38 ft at 1:50PM May 16, 2019Observed: 16.4 ft at 2:00PM May 16, 2019Observed: 16.39 ft at 2:10PM May 16, 2019Observed: 16.35 ft at 2:20PM May 16, 2019Observed: 16.39 ft at 2:30PM May 16, 2019Observed: 16.37 ft at 2:40PM May 16, 2019Observed: 16.36 ft at 2:50PM May 16, 2019Observed: 16.35 ft at 3:00PM May 16, 2019Observed: 16.36 ft at 3:10PM May 16, 2019Observed: 16.35 ft at 3:20PM May 16, 2019Observed: 16.33 ft at 3:30PM May 16, 2019Observed: 16.34 ft at 3:40PM May 16, 2019Observed: 16.34 ft at 3:50PM May 16, 2019Observed: 16.34 ft at 4:00PM May 16, 2019Observed: 16.32 ft at 4:10PM May 16, 2019Observed: 16.32 ft at 4:20PM May 16, 2019Observed: 16.35 ft at 4:30PM May 16, 2019Observed: 16.33 ft at 4:40PM May 16, 2019Observed: 16.33 ft at 4:50PM May 16, 2019Observed: 16.31 ft at 5:00PM May 16, 2019Observed: 16.32 ft at 5:10PM May 16, 2019Observed: 16.32 ft at 5:20PM May 16, 2019Observed: 16.31 ft at 5:30PM May 16, 2019Observed: 16.31 ft at 5:40PM May 16, 2019Observed: 16.32 ft at 5:50PM May 16, 2019Observed: 16.31 ft at 6:00PM May 16, 2019Observed: 16.31 ft at 6:10PM May 16, 2019Observed: 16.31 ft at 6:20PM May 16, 2019Observed: 16.3 ft at 6:30PM May 16, 2019Observed: 16.3 ft at 6:40PM May 16, 2019Observed: 16.31 ft at 6:50PM May 16, 2019Observed: 16.28 ft at 7:00PM May 16, 2019Observed: 16.3 ft at 7:10PM May 16, 2019Observed: 16.29 ft at 7:20PM May 16, 2019Observed: 16.29 ft at 7:30PM May 16, 2019Observed: 16.28 ft at 7:40PM May 16, 2019Observed: 16.28 ft at 7:50PM May 16, 2019Observed: 16.28 ft at 8:00PM May 16, 2019Observed: 16.28 ft at 8:10PM May 16, 2019Observed: 16.26 ft at 8:20PM May 16, 2019Observed: 16.28 ft at 8:30PM May 16, 2019Observed: 16.27 ft at 8:40PM May 16, 2019Observed: 16.27 ft at 8:50PM May 16, 2019Observed: 16.28 ft at 9:00PM May 16, 2019Observed: 16.26 ft at 9:10PM May 16, 2019Observed: 16.26 ft at 9:20PM May 16, 2019Observed: 16.26 ft at 9:30PM May 16, 2019Observed: 16.27 ft at 9:40PM May 16, 2019Observed: 16.25 ft at 9:50PM May 16, 2019Observed: 16.28 ft at 10:00PM May 16, 2019Observed: 16.23 ft at 10:10PM May 16, 2019Observed: 16.21 ft at 10:20PM May 16, 2019Observed: 16.18 ft at 10:30PM May 16, 2019Observed: 16.19 ft at 10:40PM May 16, 2019Observed: 16.23 ft at 10:50PM May 16, 2019Observed: 16.22 ft at 11:00PM May 16, 2019Observed: 16.23 ft at 11:10PM May 16, 2019Observed: 16.25 ft at 11:20PM May 16, 2019Observed: 16.27 ft at 11:30PM May 16, 2019Observed: 16.26 ft at 11:40PM May 16, 2019Observed: 16.25 ft at 11:50PM May 16, 2019Observed: 16.25 ft at 12:00AM May 17, 2019Observed: 16.25 ft at 12:10AM May 17, 2019Observed: 16.23 ft at 12:20AM May 17, 2019Observed: 16.24 ft at 12:30AM May 17, 2019Observed: 16.23 ft at 12:40AM May 17, 2019Observed: 16.24 ft at 12:50AM May 17, 2019Observed: 16.22 ft at 1:00AM May 17, 2019Observed: 16.24 ft at 1:10AM May 17, 2019Observed: 16.25 ft at 1:20AM May 17, 2019Observed: 16.24 ft at 1:30AM May 17, 2019Observed: 16.24 ft at 1:40AM May 17, 2019Observed: 16.25 ft at 1:50AM May 17, 2019Observed: 16.24 ft at 2:00AM May 17, 2019Observed: 16.24 ft at 2:10AM May 17, 2019Observed: 16.24 ft at 2:20AM May 17, 2019Observed: 16.24 ft at 2:30AM May 17, 2019Observed: 16.24 ft at 2:40AM May 17, 2019Observed: 16.24 ft at 2:50AM May 17, 2019Observed: 16.24 ft at 3:00AM May 17, 2019Observed: 16.24 ft at 3:10AM May 17, 2019Observed: 16.23 ft at 3:20AM May 17, 2019Observed: 16.23 ft at 3:30AM May 17, 2019Observed: 16.26 ft at 3:40AM May 17, 2019Observed: 16.23 ft at 3:50AM May 17, 2019Observed: 16.23 ft at 4:00AM May 17, 2019Observed: 16.23 ft at 4:10AM May 17, 2019Observed: 16.22 ft at 4:20AM May 17, 2019Observed: 16.24 ft at 4:30AM May 17, 2019Observed: 16.26 ft at 4:40AM May 17, 2019Observed: 16.27 ft at 4:50AM May 17, 2019Observed: 16.26 ft at 5:00AM May 17, 2019Observed: 16.26 ft at 5:10AM May 17, 2019Observed: 16.25 ft at 5:20AM May 17, 2019Observed: 16.25 ft at 5:30AM May 17, 2019Observed: 16.25 ft at 5:40AM May 17, 2019Observed: 16.23 ft at 5:50AM May 17, 2019Observed: 16.25 ft at 6:00AM May 17, 2019Observed: 16.25 ft at 6:10AM May 17, 2019Observed: 16.23 ft at 6:20AM May 17, 2019Observed: 16.26 ft at 6:30AM May 17, 2019Observed: 16.23 ft at 6:40AM May 17, 2019Observed: 16.26 ft at 6:50AM May 17, 2019Observed: 16.25 ft at 7:00AM May 17, 2019Observed: 16.23 ft at 7:10AM May 17, 2019Observed: 16.24 ft at 7:20AM May 17, 2019Observed: 16.26 ft at 7:30AM May 17, 2019Observed: 16.23 ft at 7:40AM May 17, 2019Observed: 16.24 ft at 7:50AM May 17, 2019Observed: 16.23 ft at 8:00AM May 17, 2019Observed: 16.23 ft at 8:10AM May 17, 2019Observed: 16.25 ft at 8:20AM May 17, 2019Observed: 16.26 ft at 8:30AM May 17, 2019Observed: 16.25 ft at 8:40AM May 17, 2019Observed: 16.23 ft at 8:50AM May 17, 2019Observed: 16.25 ft at 9:00AM May 17, 2019Observed: 16.23 ft at 9:10AM May 17, 2019Observed: 16.24 ft at 9:20AM May 17, 2019Observed: 16.27 ft at 9:30AM May 17, 2019Observed: 16.26 ft at 9:40AM May 17, 2019Observed: 16.26 ft at 9:50AM May 17, 2019Observed: 16.27 ft at 10:00AM May 17, 2019Observed: 16.27 ft at 10:10AM May 17, 2019Observed: 16.26 ft at 10:20AM May 17, 2019Observed: 16.26 ft at 10:30AM May 17, 2019Observed: 16.28 ft at 10:40AM May 17, 2019Observed: 16.27 ft at 10:50AM May 17, 2019Observed: 16.27 ft at 11:00AM May 17, 2019Observed: 16.26 ft at 11:10AM May 17, 2019Observed: 16.27 ft at 11:20AM May 17, 2019Observed: 16.28 ft at 11:30AM May 17, 2019Observed: 16.29 ft at 11:40AM May 17, 2019Observed: 16.28 ft at 11:50AM May 17, 2019Observed: 16.3 ft at 12:00PM May 17, 2019Observed: 16.28 ft at 12:10PM May 17, 2019Observed: 16.3 ft at 12:20PM May 17, 2019Observed: 16.3 ft at 12:30PM May 17, 2019Observed: 16.3 ft at 12:40PM May 17, 2019Observed: 16.28 ft at 12:50PM May 17, 2019Observed: 16.3 ft at 1:00PM May 17, 2019Observed: 16.3 ft at 1:10PM May 17, 2019Observed: 16.3 ft at 1:20PM May 17, 2019Observed: 16.29 ft at 1:30PM May 17, 2019Observed: 16.3 ft at 1:40PM May 17, 2019Observed: 16.3 ft at 1:50PM May 17, 2019Observed: 16.29 ft at 2:00PM May 17, 2019Observed: 16.31 ft at 2:10PM May 17, 2019Observed: 16.3 ft at 2:20PM May 17, 2019Observed: 16.32 ft at 2:30PM May 17, 2019Observed: 16.3 ft at 2:40PM May 17, 2019Observed: 16.3 ft at 2:50PM May 17, 2019Observed: 16.29 ft at 3:00PM May 17, 2019Observed: 16.3 ft at 3:10PM May 17, 2019Observed: 16.3 ft at 3:20PM May 17, 2019Observed: 16.31 ft at 3:30PM May 17, 2019Observed: 16.29 ft at 3:40PM May 17, 2019Observed: 16.3 ft at 3:50PM May 17, 2019Observed: 16.32 ft at 4:00PM May 17, 2019Observed: 16.3 ft at 4:10PM May 17, 2019Observed: 16.3 ft at 4:20PM May 17, 2019Observed: 16.3 ft at 4:30PM May 17, 2019Observed: 16.3 ft at 4:40PM May 17, 2019Observed: 16.3 ft at 4:50PM May 17, 2019Observed: 16.3 ft at 5:00PM May 17, 2019Observed: 16.3 ft at 5:10PM May 17, 2019Observed: 16.3 ft at 5:20PM May 17, 2019Observed: 16.3 ft at 5:30PM May 17, 2019Observed: 16.31 ft at 5:40PM May 17, 2019Observed: 16.29 ft at 5:50PM May 17, 2019Observed: 16.3 ft at 6:00PM May 17, 2019Observed: 16.29 ft at 6:10PM May 17, 2019Observed: 16.3 ft at 6:20PM May 17, 2019Observed: 16.29 ft at 6:30PM May 17, 2019Observed: 16.3 ft at 6:40PM May 17, 2019Observed: 16.3 ft at 6:50PM May 17, 2019Observed: 16.28 ft at 7:00PM May 17, 2019Observed: 16.3 ft at 7:10PM May 17, 2019Observed: 16.29 ft at 7:20PM May 17, 2019Observed: 16.32 ft at 7:30PM May 17, 2019Observed: 16.3 ft at 7:40PM May 17, 2019Observed: 16.29 ft at 7:50PM May 17, 2019Observed: 16.28 ft at 8:00PM May 17, 2019Observed: 16.31 ft at 8:10PM May 17, 2019Observed: 16.29 ft at 8:20PM May 17, 2019Observed: 16.29 ft at 8:30PM May 17, 2019Observed: 16.29 ft at 8:40PM May 17, 2019Observed: 16.29 ft at 8:50PM May 17, 2019Observed: 16.28 ft at 9:00PM May 17, 2019Observed: 16.3 ft at 9:10PM May 17, 2019Observed: 16.29 ft at 9:20PM May 17, 2019Observed: 16.28 ft at 9:30PM May 17, 2019Observed: 16.28 ft at 9:40PM May 17, 2019Observed: 16.28 ft at 9:50PM May 17, 2019Observed: 16.28 ft at 10:00PM May 17, 2019Observed: 16.29 ft at 10:10PM May 17, 2019Observed: 16.29 ft at 10:20PM May 17, 2019Observed: 16.28 ft at 10:30PM May 17, 2019Observed: 16.27 ft at 10:40PM May 17, 2019Observed: 16.27 ft at 10:50PM May 17, 2019Observed: 16.28 ft at 11:00PM May 17, 2019Observed: 16.27 ft at 11:10PM May 17, 2019Observed: 16.28 ft at 11:20PM May 17, 2019Observed: 16.29 ft at 11:30PM May 17, 2019Observed: 16.29 ft at 11:40PM May 17, 2019Observed: 16.26 ft at 11:50PM May 17, 2019Observed: 16.29 ft at 12:00AM May 18, 2019Observed: 16.27 ft at 12:10AM May 18, 2019Observed: 16.27 ft at 12:20AM May 18, 2019Observed: 16.27 ft at 12:30AM May 18, 2019Observed: 16.27 ft at 12:40AM May 18, 2019Observed: 16.27 ft at 12:50AM May 18, 2019Observed: 16.27 ft at 1:00AM May 18, 2019Observed: 16.27 ft at 1:10AM May 18, 2019Observed: 16.28 ft at 1:20AM May 18, 2019Observed: 16.26 ft at 1:30AM May 18, 2019Observed: 16.29 ft at 1:40AM May 18, 2019Observed: 16.27 ft at 1:50AM May 18, 2019Observed: 16.27 ft at 2:00AM May 18, 2019Observed: 16.27 ft at 2:10AM May 18, 2019Observed: 16.28 ft at 2:20AM May 18, 2019Observed: 16.26 ft at 2:30AM May 18, 2019Observed: 16.26 ft at 2:40AM May 18, 2019Observed: 16.27 ft at 2:50AM May 18, 2019Observed: 16.26 ft at 3:00AM May 18, 2019Observed: 16.29 ft at 3:10AM May 18, 2019Observed: 16.27 ft at 3:20AM May 18, 2019Observed: 16.27 ft at 3:30AM May 18, 2019Observed: 16.26 ft at 3:40AM May 18, 2019Observed: 16.25 ft at 3:50AM May 18, 2019Observed: 16.25 ft at 4:00AM May 18, 2019Observed: 16.28 ft at 4:10AM May 18, 2019Observed: 16.25 ft at 4:20AM May 18, 2019Observed: 16.26 ft at 4:30AM May 18, 2019Observed: 16.26 ft at 4:40AM May 18, 2019Observed: 16.26 ft at 4:50AM May 18, 2019Observed: 16.26 ft at 5:00AM May 18, 2019Observed: 16.25 ft at 5:10AM May 18, 2019Observed: 16.25 ft at 5:20AM May 18, 2019Observed: 16.26 ft at 5:30AM May 18, 2019Observed: 16.26 ft at 5:40AM May 18, 2019Observed: 16.26 ft at 5:50AM May 18, 2019Observed: 16.26 ft at 6:00AM May 18, 2019Observed: 16.26 ft at 6:10AM May 18, 2019Observed: 16.26 ft at 6:20AM May 18, 2019Observed: 16.25 ft at 6:30AM May 18, 2019Observed: 16.26 ft at 6:40AM May 18, 2019Observed: 16.24 ft at 6:50AM May 18, 2019Observed: 16.26 ft at 7:00AM May 18, 2019Observed: 16.25 ft at 7:10AM May 18, 2019Observed: 16.27 ft at 7:20AM May 18, 2019Observed: 16.24 ft at 7:30AM May 18, 2019Observed: 16.25 ft at 7:40AM May 18, 2019Observed: 16.26 ft at 7:50AM May 18, 2019Observed: 16.25 ft at 8:00AM May 18, 2019Observed: 16.26 ft at 8:10AM May 18, 2019Observed: 16.25 ft at 8:20AM May 18, 2019Observed: 16.27 ft at 8:30AM May 18, 2019Observed: 16.27 ft at 8:40AM May 18, 2019Observed: 16.25 ft at 8:50AM May 18, 2019Observed: 16.28 ft at 9:00AM May 18, 2019Observed: 16.29 ft at 9:10AM May 18, 2019Observed: 16.3 ft at 9:20AM May 18, 2019Observed: 16.29 ft at 9:30AM May 18, 2019Observed: 16.31 ft at 9:40AM May 18, 2019Observed: 16.31 ft at 9:50AM May 18, 2019Observed: 16.29 ft at 10:00AM May 18, 2019Observed: 16.31 ft at 10:10AM May 18, 2019Observed: 16.33 ft at 10:20AM May 18, 2019Observed: 16.31 ft at 10:30AM May 18, 2019Observed: 16.31 ft at 10:40AM May 18, 2019Observed: 16.31 ft at 10:50AM May 18, 2019Observed: 16.34 ft at 11:00AM May 18, 2019Observed: 16.33 ft at 11:10AM May 18, 2019Observed: 16.33 ft at 11:20AM May 18, 2019Observed: 16.35 ft at 11:30AM May 18, 2019Observed: 16.33 ft at 11:40AM May 18, 2019Observed: 16.34 ft at 11:50AM May 18, 2019Observed: 16.35 ft at 12:00PM May 18, 2019Observed: 16.34 ft at 12:10PM May 18, 2019Observed: 16.35 ft at 12:20PM May 18, 2019Observed: 16.34 ft at 12:30PM May 18, 2019Observed: 16.34 ft at 12:40PM May 18, 2019Observed: 16.35 ft at 12:50PM May 18, 2019Observed: 16.36 ft at 1:00PM May 18, 2019Observed: 16.36 ft at 1:10PM May 18, 2019Observed: 16.35 ft at 1:20PM May 18, 2019Observed: 16.36 ft at 1:30PM May 18, 2019Observed: 16.36 ft at 1:40PM May 18, 2019Observed: 16.35 ft at 1:50PM May 18, 2019Observed: 16.38 ft at 2:00PM May 18, 2019Observed: 16.37 ft at 2:10PM May 18, 2019Observed: 16.38 ft at 2:20PM May 18, 2019Observed: 16.38 ft at 2:30PM May 18, 2019Observed: 16.37 ft at 2:40PM May 18, 2019Observed: 16.37 ft at 2:50PM May 18, 2019Observed: 16.38 ft at 3:00PM May 18, 2019Observed: 16.38 ft at 3:10PM May 18, 2019Observed: 16.36 ft at 3:20PM May 18, 2019Observed: 16.37 ft at 3:30PM May 18, 2019Observed: 16.4 ft at 3:40PM May 18, 2019Observed: 16.4 ft at 3:50PM May 18, 2019Observed: 16.38 ft at 4:00PM May 18, 2019Observed: 16.38 ft at 4:10PM May 18, 2019Observed: 16.4 ft at 4:20PM May 18, 2019Observed: 16.4 ft at 4:30PM May 18, 2019Observed: 16.4 ft at 4:40PM May 18, 2019Observed: 16.4 ft at 4:50PM May 18, 2019Observed: 16.4 ft at 5:00PM May 18, 2019Observed: 16.4 ft at 5:10PM May 18, 2019Observed: 16.42 ft at 5:20PM May 18, 2019Observed: 16.4 ft at 5:30PM May 18, 2019Observed: 16.42 ft at 5:40PM May 18, 2019Observed: 16.41 ft at 5:50PM May 18, 2019Observed: 16.41 ft at 6:00PM May 18, 2019Observed: 16.41 ft at 6:10PM May 18, 2019Observed: 16.42 ft at 6:20PM May 18, 2019Observed: 16.44 ft at 6:30PM May 18, 2019Observed: 16.41 ft at 6:40PM May 18, 2019Observed: 16.41 ft at 6:50PM May 18, 2019Observed: 16.41 ft at 7:00PM May 18, 2019Observed: 16.42 ft at 7:10PM May 18, 2019Observed: 16.42 ft at 7:20PM May 18, 2019Observed: 16.42 ft at 7:30PM May 18, 2019Observed: 16.42 ft at 7:40PM May 18, 2019Observed: 16.42 ft at 7:50PM May 18, 2019Observed: 16.44 ft at 8:00PM May 18, 2019Observed: 16.43 ft at 8:10PM May 18, 2019Observed: 16.42 ft at 8:20PM May 18, 2019Observed: 16.45 ft at 8:30PM May 18, 2019Observed: 16.43 ft at 8:40PM May 18, 2019Observed: 16.43 ft at 8:50PM May 18, 2019Observed: 16.44 ft at 9:00PM May 18, 2019Observed: 16.44 ft at 9:10PM May 18, 2019Observed: 16.45 ft at 9:20PM May 18, 2019Observed: 16.44 ft at 9:30PM May 18, 2019Observed: 16.46 ft at 9:40PM May 18, 2019Observed: 16.44 ft at 9:50PM May 18, 2019Observed: 16.45 ft at 10:00PM May 18, 2019Observed: 16.45 ft at 10:10PM May 18, 2019Observed: 16.45 ft at 10:20PM May 18, 2019Observed: 16.46 ft at 10:30PM May 18, 2019Observed: 16.45 ft at 10:40PM May 18, 2019Observed: 16.45 ft at 10:50PM May 18, 2019Observed: 16.47 ft at 11:00PM May 18, 2019Observed: 16.45 ft at 11:10PM May 18, 2019Observed: 16.47 ft at 11:20PM May 18, 2019Observed: 16.46 ft at 11:30PM May 18, 2019Observed: 16.46 ft at 11:40PM May 18, 2019Observed: 16.48 ft at 11:50PM May 18, 2019Observed: 16.49 ft at 12:00AM May 19, 2019Observed: 16.47 ft at 12:10AM May 19, 2019Observed: 16.5 ft at 12:20AM May 19, 2019Observed: 16.48 ft at 12:30AM May 19, 2019Observed: 16.49 ft at 12:40AM May 19, 2019Observed: 16.5 ft at 12:50AM May 19, 2019Observed: 16.48 ft at 1:00AM May 19, 2019Observed: 16.47 ft at 1:10AM May 19, 2019Observed: 16.49 ft at 1:20AM May 19, 2019Observed: 16.48 ft at 1:30AM May 19, 2019Observed: 16.47 ft at 1:40AM May 19, 2019Observed: 16.5 ft at 1:50AM May 19, 2019Observed: 16.5 ft at 2:00AM May 19, 2019Observed: 16.49 ft at 2:10AM May 19, 2019Observed: 16.49 ft at 2:20AM May 19, 2019Observed: 16.48 ft at 2:30AM May 19, 2019Observed: 16.49 ft at 2:40AM May 19, 2019Observed: 16.49 ft at 2:50AM May 19, 2019Observed: 16.5 ft at 3:00AM May 19, 2019Observed: 16.49 ft at 3:10AM May 19, 2019Observed: 16.49 ft at 3:20AM May 19, 2019Observed: 16.5 ft at 3:30AM May 19, 2019Observed: 16.5 ft at 3:40AM May 19, 2019Observed: 16.5 ft at 3:50AM May 19, 2019Observed: 16.5 ft at 4:00AM May 19, 2019Observed: 16.48 ft at 4:10AM May 19, 2019Highest Observation: 16.51 ft at 4:20AM May 19, 2019Highest Observation: 16.51 ft at 4:30AM May 19, 2019Highest Observation: 16.51 ft at 4:40AM May 19, 2019Observed: 16.49 ft at 4:50AM May 19, 2019Observed: 16.5 ft at 5:00AM May 19, 2019Highest Observation: 16.51 ft at 5:10AM May 19, 2019Observed: 16.5 ft at 5:20AM May 19, 2019Observed: 16.5 ft at 5:30AM May 19, 2019Forecast: 16.5 ft 7:00AM May 19, 2019Forecast: 16.5 ft 1:00PM May 19, 2019Forecast: 16.6 ft 7:00PM May 19, 2019Forecast: 16.6 ft 1:00AM May 20, 2019Forecast: 16.7 ft 7:00AM May 20, 2019Forecast: 16.8 ft 1:00PM May 20, 2019Forecast: 16.8 ft 7:00PM May 20, 2019Forecast: 16.8 ft 1:00AM May 21, 2019Forecast: 16.9 ft 7:00AM May 21, 2019Highest Forecast: 17 ft 1:00PM May 21, 2019Highest Forecast: 17 ft 7:00PM May 21, 2019Highest Forecast: 17 ft 1:00AM May 22, 2019Highest Forecast: 17 ft 7:00AM May 22, 2019Highest Forecast: 17 ft 1:00PM May 22, 2019Highest Forecast: 17 ft 7:00PM May 22, 2019Highest Forecast: 17 ft 1:00AM May 23, 2019Highest Forecast: 17 ft 7:00AM May 23, 2019Highest Forecast: 17 ft 1:00PM May 23, 2019Highest Forecast: 17 ft 7:00PM May 23, 2019Highest Forecast: 17 ft 1:00AM May 24, 2019Highest Forecast: 17 ft 7:00AM May 24, 2019Highest Forecast: 17 ft 1:00PM May 24, 2019Highest Forecast: 17 ft 7:00PM May 24, 2019Highest Forecast: 17 ft 1:00AM May 25, 2019Highest Forecast: 17 ft 7:00AM May 25, 2019Highest Forecast: 17 ft 1:00PM May 25, 2019Highest Forecast: 17 ft 7:00PM May 25, 2019U.S. Army Corps of EngineersILNI2(plotting HTIRG) Graph Created (6:02AM May 19, 2019)ObservedForecast (issued 9:17PM May 18)Latest observed value: 16.5 ft at 5:30 AM CDT 19-May-2019. Flood Stage is 15 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 24 hours into the future from the forecast issuance time.

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

Return to Area Map
Upstream Gauge - at Rock Island Upstream Gauge Downstream Gauge Downstream Gauge - at Muscatine
Flood Categories (in feet)
Major Flood Stage: 18
Moderate Flood Stage: 16
Flood Stage: 15
Action Stage: 14
Low Stage (in feet): -9999

Historic Crests
(1) 24.10 ft on 07/09/1993
(2) 23.27 ft on 04/28/1965
(3) 22.96 ft on 06/17/2008
(4) 22.41 ft on 04/25/2001
(5) 22.23 ft on 07/05/2014
(6) 20.74 ft on 04/23/2011
(7) 20.30 ft on 04/22/2013
(8) 20.05 ft on 04/25/1973
(9) 19.94 ft on 05/01/2008
(10) 19.69 ft on 04/26/1969
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 17.22 ft on 05/12/2018
(2) 16.76 ft on 06/01/2017
(3) 15.87 ft on 09/30/2016
(4) 15.11 ft on 03/29/2016
(5) 13.52 ft on 06/18/2015
(6) 22.23 ft on 07/05/2014
(7) 20.30 ft on 04/22/2013
(8) 20.74 ft on 04/23/2011
(9) 22.96 ft on 06/17/2008
(10) 19.94 ft on 05/01/2008
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.
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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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29 Water reaches the top of the Milan levee.
24.5 Water reaches the top of the Andalusia levee.
22.5 Water affects the entire state park at Fairport and is at the foundations of facilities there.
21.5 Water affects the Post Office and several commercial buildings in Buffalo.
20.5 Water affects Front Street and several homes in Buffalo. Water also affects the fish hatchery at Fairport.
20 Water affects Buffalos Front Street at Franklin and on Iowa Highway 22 west of town. Water affects Illinois Highway 92 west of Andalusia.
19.5 Water affects Buffalos Franklin Street and into some yards from seepage. At Buffalo Shores, water is at the foundations of several homes.
19 Water affects the Clarks Ferry Recreational Area at Montpelier.
18.5 Water floods Andalusias Second Street in the unprotected area. Water is also at the foundations of several homes in Midway Beach.
18 Water affects the state park campground at Fairport.
17 Water affects the Buffalo Shores Access Area. Lock and Dam 16 is closed.
16.98 Lock and Dam 16 is closed.
16 Water affects the park at Andalusia.
13 Water affects residents on Smiths Island.
About This Location Collapse

Latitude: 41.425556° N, Longitude: 91.012778° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 15 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 533.79 ft 548.79 ft  

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
Quad Cities Weather Forecast Office
9040 N Harrison Street
Davenport, IA 52806-7326
(563) 386-3976
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