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Hydrograph River at a Glance Download
Mississippi River at Illinois City Tailwater (ft)Flow (kcfs)Highest Observation: 11.59 ft at 3:50PM May 14, 2022Observed: 11.58 ft at 4:00PM May 14, 2022Highest Observation: 11.59 ft at 4:10PM May 14, 2022Observed: 11.58 ft at 4:20PM May 14, 2022Observed: 11.58 ft at 4:30PM May 14, 2022Highest Observation: 11.59 ft at 4:40PM May 14, 2022Highest Observation: 11.59 ft at 4:50PM May 14, 2022Highest Observation: 11.59 ft at 5:00PM May 14, 2022Observed: 11.57 ft at 5:10PM May 14, 2022Observed: 11.57 ft at 5:20PM May 14, 2022Observed: 11.57 ft at 5:30PM May 14, 2022Observed: 11.56 ft at 5:40PM May 14, 2022Observed: 11.57 ft at 5:50PM May 14, 2022Observed: 11.57 ft at 6:00PM May 14, 2022Observed: 11.58 ft at 6:10PM May 14, 2022Observed: 11.58 ft at 6:20PM May 14, 2022Observed: 11.57 ft at 6:30PM May 14, 2022Observed: 11.58 ft at 6:40PM May 14, 2022Observed: 11.56 ft at 6:50PM May 14, 2022Observed: 11.58 ft at 7:00PM May 14, 2022Observed: 11.57 ft at 7:10PM May 14, 2022Observed: 11.58 ft at 7:20PM May 14, 2022Observed: 11.57 ft at 7:30PM May 14, 2022Observed: 11.57 ft at 7:40PM May 14, 2022Observed: 11.57 ft at 7:50PM May 14, 2022Observed: 11.57 ft at 8:00PM May 14, 2022Observed: 11.56 ft at 8:10PM May 14, 2022Observed: 11.57 ft at 8:20PM May 14, 2022Observed: 11.57 ft at 8:30PM May 14, 2022Observed: 11.56 ft at 8:40PM May 14, 2022Observed: 11.56 ft at 8:50PM May 14, 2022Observed: 11.57 ft at 9:00PM May 14, 2022Observed: 11.56 ft at 9:10PM May 14, 2022Observed: 11.56 ft at 9:20PM May 14, 2022Observed: 11.57 ft at 9:30PM May 14, 2022Observed: 11.58 ft at 9:40PM May 14, 2022Observed: 11.56 ft at 9:50PM May 14, 2022Observed: 11.55 ft at 10:00PM May 14, 2022Observed: 11.56 ft at 10:10PM May 14, 2022Observed: 11.55 ft at 10:20PM May 14, 2022Observed: 11.55 ft at 10:30PM May 14, 2022Observed: 11.55 ft at 10:40PM May 14, 2022Observed: 11.57 ft at 10:50PM May 14, 2022Observed: 11.55 ft at 11:00PM May 14, 2022Observed: 11.58 ft at 11:10PM May 14, 2022Observed: 11.55 ft at 11:20PM May 14, 2022Observed: 11.56 ft at 11:30PM May 14, 2022Observed: 11.56 ft at 11:40PM May 14, 2022Observed: 11.54 ft at 11:50PM May 14, 2022Observed: 11.55 ft at 12:00AM May 15, 2022Observed: 11.55 ft at 12:10AM May 15, 2022Observed: 11.53 ft at 12:20AM May 15, 2022Observed: 11.54 ft at 12:30AM May 15, 2022Observed: 11.53 ft at 12:40AM May 15, 2022Observed: 11.53 ft at 12:50AM May 15, 2022Observed: 11.53 ft at 1:00AM May 15, 2022Observed: 11.53 ft at 1:10AM May 15, 2022Observed: 11.52 ft at 1:20AM May 15, 2022Observed: 11.51 ft at 1:30AM May 15, 2022Observed: 11.52 ft at 1:40AM May 15, 2022Observed: 11.52 ft at 1:50AM May 15, 2022Observed: 11.5 ft at 2:00AM May 15, 2022Observed: 11.51 ft at 2:10AM May 15, 2022Observed: 11.49 ft at 2:20AM May 15, 2022Observed: 11.48 ft at 2:30AM May 15, 2022Observed: 11.48 ft at 2:40AM May 15, 2022Observed: 11.48 ft at 2:50AM May 15, 2022Observed: 11.47 ft at 3:00AM May 15, 2022Observed: 11.47 ft at 3:10AM May 15, 2022Observed: 11.47 ft at 3:20AM May 15, 2022Observed: 11.48 ft at 3:30AM May 15, 2022Observed: 11.46 ft at 3:40AM May 15, 2022Observed: 11.46 ft at 3:50AM May 15, 2022Observed: 11.5 ft at 4:00AM May 15, 2022Observed: 11.47 ft at 4:10AM May 15, 2022Observed: 11.45 ft at 4:20AM May 15, 2022Observed: 11.44 ft at 4:30AM May 15, 2022Observed: 11.44 ft at 4:40AM May 15, 2022Observed: 11.44 ft at 4:50AM May 15, 2022Observed: 11.43 ft at 5:00AM May 15, 2022Observed: 11.45 ft at 5:10AM May 15, 2022Observed: 11.45 ft at 5:20AM May 15, 2022Observed: 11.43 ft at 5:30AM May 15, 2022Observed: 11.43 ft at 5:40AM May 15, 2022Observed: 11.44 ft at 5:50AM May 15, 2022Observed: 11.45 ft at 6:00AM May 15, 2022Observed: 11.44 ft at 6:10AM May 15, 2022Observed: 11.42 ft at 6:20AM May 15, 2022Observed: 11.43 ft at 6:30AM May 15, 2022Observed: 11.44 ft at 6:40AM May 15, 2022Observed: 11.42 ft at 6:50AM May 15, 2022Observed: 11.4 ft at 7:00AM May 15, 2022Observed: 11.4 ft at 7:10AM May 15, 2022Observed: 11.4 ft at 7:20AM May 15, 2022Observed: 11.39 ft at 7:30AM May 15, 2022Observed: 11.38 ft at 7:40AM May 15, 2022Observed: 11.39 ft at 7:50AM May 15, 2022Observed: 11.4 ft at 8:00AM May 15, 2022Observed: 11.38 ft at 8:10AM May 15, 2022Observed: 11.37 ft at 8:20AM May 15, 2022Observed: 11.39 ft at 8:30AM May 15, 2022Observed: 11.38 ft at 8:40AM May 15, 2022Observed: 11.38 ft at 8:50AM May 15, 2022Observed: 11.37 ft at 9:00AM May 15, 2022Observed: 11.37 ft at 9:10AM May 15, 2022Observed: 11.36 ft at 9:20AM May 15, 2022Observed: 11.37 ft at 9:30AM May 15, 2022Observed: 11.36 ft at 9:40AM May 15, 2022Observed: 11.37 ft at 9:50AM May 15, 2022Observed: 11.36 ft at 10:00AM May 15, 2022Observed: 11.35 ft at 10:10AM May 15, 2022Observed: 11.36 ft at 10:20AM May 15, 2022Observed: 11.35 ft at 10:30AM May 15, 2022Observed: 11.35 ft at 10:40AM May 15, 2022Observed: 11.35 ft at 10:50AM May 15, 2022Observed: 11.33 ft at 11:00AM May 15, 2022Observed: 11.33 ft at 11:10AM May 15, 2022Observed: 11.33 ft at 11:20AM May 15, 2022Observed: 11.34 ft at 11:30AM May 15, 2022Observed: 11.33 ft at 11:40AM May 15, 2022Observed: 11.32 ft at 11:50AM May 15, 2022Observed: 11.33 ft at 12:00PM May 15, 2022Observed: 11.34 ft at 12:10PM May 15, 2022Observed: 11.33 ft at 12:20PM May 15, 2022Observed: 11.31 ft at 12:30PM May 15, 2022Observed: 11.31 ft at 12:40PM May 15, 2022Observed: 11.31 ft at 12:50PM May 15, 2022Observed: 11.3 ft at 1:00PM May 15, 2022Observed: 11.29 ft at 1:10PM May 15, 2022Observed: 11.3 ft at 1:20PM May 15, 2022Observed: 11.3 ft at 1:30PM May 15, 2022Observed: 11.3 ft at 1:40PM May 15, 2022Observed: 11.31 ft at 1:50PM May 15, 2022Observed: 11.3 ft at 2:00PM May 15, 2022Observed: 11.29 ft at 2:10PM May 15, 2022Observed: 11.29 ft at 2:20PM May 15, 2022Observed: 11.3 ft at 2:30PM May 15, 2022Observed: 11.3 ft at 2:40PM May 15, 2022Observed: 11.29 ft at 2:50PM May 15, 2022Observed: 11.3 ft at 3:00PM May 15, 2022Observed: 11.27 ft at 3:10PM May 15, 2022Observed: 11.31 ft at 3:20PM May 15, 2022Observed: 11.29 ft at 3:30PM May 15, 2022Observed: 11.27 ft at 3:40PM May 15, 2022Observed: 11.22 ft at 3:50PM May 15, 2022Observed: 11.27 ft at 4:00PM May 15, 2022Observed: 11.28 ft at 4:10PM May 15, 2022Observed: 11.28 ft at 4:20PM May 15, 2022Observed: 11.27 ft at 4:30PM May 15, 2022Observed: 11.28 ft at 4:40PM May 15, 2022Observed: 11.24 ft at 4:50PM May 15, 2022Observed: 11.23 ft at 5:00PM May 15, 2022Observed: 11.25 ft at 5:10PM May 15, 2022Observed: 11.26 ft at 5:20PM May 15, 2022Observed: 11.27 ft at 5:30PM May 15, 2022Observed: 11.24 ft at 5:40PM May 15, 2022Observed: 11.25 ft at 5:50PM May 15, 2022Observed: 11.26 ft at 6:00PM May 15, 2022Observed: 11.28 ft at 6:10PM May 15, 2022Observed: 11.25 ft at 6:20PM May 15, 2022Observed: 11.24 ft at 6:30PM May 15, 2022Observed: 11.24 ft at 6:40PM May 15, 2022Observed: 11.25 ft at 6:50PM May 15, 2022Observed: 11.26 ft at 7:00PM May 15, 2022Observed: 11.26 ft at 7:10PM May 15, 2022Observed: 11.24 ft at 7:20PM May 15, 2022Observed: 11.26 ft at 7:30PM May 15, 2022Observed: 11.26 ft at 7:40PM May 15, 2022Observed: 11.25 ft at 7:50PM May 15, 2022Observed: 11.26 ft at 8:00PM May 15, 2022Observed: 11.26 ft at 8:10PM May 15, 2022Observed: 11.26 ft at 8:20PM May 15, 2022Observed: 11.25 ft at 8:30PM May 15, 2022Observed: 11.26 ft at 8:40PM May 15, 2022Observed: 11.25 ft at 8:50PM May 15, 2022Observed: 11.25 ft at 9:00PM May 15, 2022Observed: 11.25 ft at 9:10PM May 15, 2022Observed: 11.24 ft at 9:20PM May 15, 2022Observed: 11.26 ft at 9:30PM May 15, 2022Observed: 11.25 ft at 9:40PM May 15, 2022Observed: 11.24 ft at 9:50PM May 15, 2022Observed: 11.24 ft at 10:00PM May 15, 2022Observed: 11.24 ft at 10:10PM May 15, 2022Observed: 11.24 ft at 10:20PM May 15, 2022Observed: 11.24 ft at 10:30PM May 15, 2022Observed: 11.25 ft at 10:40PM May 15, 2022Observed: 11.25 ft at 10:50PM May 15, 2022Observed: 11.24 ft at 11:00PM May 15, 2022Observed: 11.24 ft at 11:10PM May 15, 2022Observed: 11.22 ft at 11:20PM May 15, 2022Observed: 11.23 ft at 11:30PM May 15, 2022Observed: 11.23 ft at 11:40PM May 15, 2022Observed: 11.23 ft at 11:50PM May 15, 2022Observed: 11.24 ft at 12:00AM May 16, 2022Observed: 11.23 ft at 12:10AM May 16, 2022Observed: 11.22 ft at 12:20AM May 16, 2022Observed: 11.22 ft at 12:30AM May 16, 2022Observed: 11.22 ft at 12:40AM May 16, 2022Observed: 11.22 ft at 12:50AM May 16, 2022Observed: 11.23 ft at 1:00AM May 16, 2022Observed: 11.22 ft at 1:10AM May 16, 2022Observed: 11.23 ft at 1:20AM May 16, 2022Observed: 11.24 ft at 1:30AM May 16, 2022Observed: 11.21 ft at 1:40AM May 16, 2022Observed: 11.23 ft at 1:50AM May 16, 2022Observed: 11.22 ft at 2:00AM May 16, 2022Observed: 11.21 ft at 2:10AM May 16, 2022Observed: 11.21 ft at 2:20AM May 16, 2022Observed: 11.21 ft at 2:30AM May 16, 2022Observed: 11.23 ft at 2:40AM May 16, 2022Observed: 11.21 ft at 2:50AM May 16, 2022Observed: 11.22 ft at 3:00AM May 16, 2022Observed: 11.21 ft at 3:10AM May 16, 2022Observed: 11.23 ft at 3:20AM May 16, 2022Observed: 11.21 ft at 3:30AM May 16, 2022Observed: 11.22 ft at 3:40AM May 16, 2022Observed: 11.21 ft at 3:50AM May 16, 2022Observed: 11.21 ft at 4:00AM May 16, 2022Observed: 11.22 ft at 4:10AM May 16, 2022Observed: 11.19 ft at 4:20AM May 16, 2022Observed: 11.17 ft at 4:30AM May 16, 2022Observed: 11.22 ft at 4:40AM May 16, 2022Observed: 11.21 ft at 4:50AM May 16, 2022Observed: 11.23 ft at 5:00AM May 16, 2022Observed: 11.18 ft at 5:10AM May 16, 2022Observed: 11.19 ft at 5:20AM May 16, 2022Observed: 11.19 ft at 5:30AM May 16, 2022Observed: 11.23 ft at 5:40AM May 16, 2022Observed: 11.17 ft at 5:50AM May 16, 2022Observed: 11.21 ft at 6:00AM May 16, 2022Observed: 11.19 ft at 6:10AM May 16, 2022Observed: 11.17 ft at 6:20AM May 16, 2022Observed: 11.16 ft at 6:30AM May 16, 2022Observed: 11.17 ft at 6:40AM May 16, 2022Observed: 11.17 ft at 6:50AM May 16, 2022Observed: 11.18 ft at 7:00AM May 16, 2022Observed: 11.17 ft at 7:10AM May 16, 2022Observed: 11.18 ft at 7:20AM May 16, 2022Observed: 11.16 ft at 7:30AM May 16, 2022Observed: 11.16 ft at 7:40AM May 16, 2022Observed: 11.17 ft at 7:50AM May 16, 2022Observed: 11.17 ft at 8:00AM May 16, 2022Observed: 11.15 ft at 8:10AM May 16, 2022Observed: 11.16 ft at 8:20AM May 16, 2022Observed: 11.14 ft at 8:30AM May 16, 2022Observed: 11.15 ft at 8:40AM May 16, 2022Observed: 11.14 ft at 8:50AM May 16, 2022Observed: 11.14 ft at 9:00AM May 16, 2022Observed: 11.16 ft at 9:10AM May 16, 2022Observed: 11.14 ft at 9:20AM May 16, 2022Observed: 11.12 ft at 9:30AM May 16, 2022Observed: 11.13 ft at 9:40AM May 16, 2022Observed: 11.13 ft at 9:50AM May 16, 2022Observed: 11.12 ft at 10:00AM May 16, 2022Observed: 11.13 ft at 10:10AM May 16, 2022Observed: 11.14 ft at 10:20AM May 16, 2022Observed: 11.11 ft at 10:30AM May 16, 2022Observed: 11.12 ft at 10:40AM May 16, 2022Observed: 11.12 ft at 10:50AM May 16, 2022Observed: 11.11 ft at 11:00AM May 16, 2022Observed: 11.12 ft at 11:10AM May 16, 2022Observed: 11.12 ft at 11:20AM May 16, 2022Observed: 11.11 ft at 11:30AM May 16, 2022Observed: 11.09 ft at 11:40AM May 16, 2022Observed: 11.1 ft at 11:50AM May 16, 2022Observed: 11.09 ft at 12:00PM May 16, 2022Observed: 11.09 ft at 12:10PM May 16, 2022Observed: 11.08 ft at 12:20PM May 16, 2022Observed: 11.09 ft at 12:30PM May 16, 2022Observed: 11.09 ft at 12:40PM May 16, 2022Observed: 11.07 ft at 12:50PM May 16, 2022Observed: 11.06 ft at 1:00PM May 16, 2022Observed: 11.05 ft at 1:10PM May 16, 2022Observed: 11.05 ft at 1:20PM May 16, 2022Observed: 11.06 ft at 1:30PM May 16, 2022Observed: 11.05 ft at 1:40PM May 16, 2022Observed: 11.02 ft at 1:50PM May 16, 2022Observed: 11.04 ft at 2:00PM May 16, 2022Observed: 11.04 ft at 2:10PM May 16, 2022Observed: 11.03 ft at 2:20PM May 16, 2022Observed: 11.03 ft at 2:30PM May 16, 2022Observed: 11.04 ft at 2:40PM May 16, 2022Observed: 11.03 ft at 2:50PM May 16, 2022Observed: 11.04 ft at 3:00PM May 16, 2022Observed: 11.04 ft at 3:10PM May 16, 2022Observed: 11.06 ft at 3:20PM May 16, 2022Observed: 11.04 ft at 3:30PM May 16, 2022Observed: 11.04 ft at 3:40PM May 16, 2022Observed: 11.05 ft at 3:50PM May 16, 2022Observed: 11.06 ft at 4:00PM May 16, 2022Observed: 11.06 ft at 4:10PM May 16, 2022Observed: 11.05 ft at 4:20PM May 16, 2022Observed: 11.05 ft at 4:30PM May 16, 2022Observed: 11.06 ft at 4:40PM May 16, 2022Observed: 11.04 ft at 4:50PM May 16, 2022Observed: 11.05 ft at 5:00PM May 16, 2022Observed: 11.06 ft at 5:10PM May 16, 2022Observed: 11.06 ft at 5:20PM May 16, 2022Observed: 11.05 ft at 5:30PM May 16, 2022Observed: 11.03 ft at 5:40PM May 16, 2022Observed: 11.05 ft at 5:50PM May 16, 2022Observed: 11.04 ft at 6:00PM May 16, 2022Observed: 11.05 ft at 6:10PM May 16, 2022Observed: 11.04 ft at 6:20PM May 16, 2022Observed: 11.04 ft at 6:30PM May 16, 2022Observed: 11.04 ft at 6:40PM May 16, 2022Observed: 11.03 ft at 6:50PM May 16, 2022Observed: 11.04 ft at 7:00PM May 16, 2022Observed: 11.07 ft at 7:10PM May 16, 2022Observed: 11.04 ft at 7:20PM May 16, 2022Observed: 11.06 ft at 7:30PM May 16, 2022Observed: 11.05 ft at 7:40PM May 16, 2022Observed: 11.05 ft at 7:50PM May 16, 2022Observed: 11.05 ft at 8:00PM May 16, 2022Observed: 11.05 ft at 8:10PM May 16, 2022Observed: 11.05 ft at 8:20PM May 16, 2022Observed: 11.05 ft at 8:30PM May 16, 2022Observed: 11.08 ft at 8:40PM May 16, 2022Observed: 11.06 ft at 8:50PM May 16, 2022Observed: 11.06 ft at 9:00PM May 16, 2022Observed: 11.06 ft at 9:10PM May 16, 2022Observed: 11.1 ft at 9:20PM May 16, 2022Observed: 11.08 ft at 9:30PM May 16, 2022Observed: 11.05 ft at 9:40PM May 16, 2022Observed: 11.05 ft at 9:50PM May 16, 2022Observed: 11.07 ft at 10:00PM May 16, 2022Observed: 11.07 ft at 10:10PM May 16, 2022Observed: 11.09 ft at 10:20PM May 16, 2022Observed: 11.07 ft at 10:30PM May 16, 2022Observed: 11.06 ft at 10:40PM May 16, 2022Observed: 11.07 ft at 10:50PM May 16, 2022Observed: 11.06 ft at 11:00PM May 16, 2022Observed: 11.09 ft at 11:10PM May 16, 2022Observed: 11.08 ft at 11:20PM May 16, 2022Observed: 11.13 ft at 11:30PM May 16, 2022Observed: 11.08 ft at 11:40PM May 16, 2022Observed: 11.06 ft at 11:50PM May 16, 2022Observed: 11.06 ft at 12:00AM May 17, 2022Observed: 11.09 ft at 12:10AM May 17, 2022Observed: 11.07 ft at 12:20AM May 17, 2022Observed: 11.05 ft at 12:30AM May 17, 2022Observed: 11.06 ft at 12:40AM May 17, 2022Observed: 11.06 ft at 12:50AM May 17, 2022Observed: 11.09 ft at 1:00AM May 17, 2022Observed: 11.06 ft at 1:10AM May 17, 2022Observed: 11.07 ft at 1:20AM May 17, 2022Observed: 11.06 ft at 1:30AM May 17, 2022Observed: 11.05 ft at 1:40AM May 17, 2022Observed: 11.06 ft at 1:50AM May 17, 2022Observed: 11.05 ft at 2:00AM May 17, 2022Observed: 11.05 ft at 2:10AM May 17, 2022Observed: 11.06 ft at 2:20AM May 17, 2022Observed: 11.07 ft at 2:30AM May 17, 2022Observed: 11.06 ft at 2:40AM May 17, 2022Observed: 11.07 ft at 2:50AM May 17, 2022Observed: 11.07 ft at 3:00AM May 17, 2022Observed: 11.05 ft at 3:10AM May 17, 2022Observed: 11.04 ft at 3:20AM May 17, 2022Observed: 11.03 ft at 3:30AM May 17, 2022Observed: 11.04 ft at 3:40AM May 17, 2022Observed: 11.06 ft at 3:50AM May 17, 2022Observed: 11.03 ft at 4:00AM May 17, 2022Observed: 11.05 ft at 4:10AM May 17, 2022Observed: 11.05 ft at 4:20AM May 17, 2022Observed: 11.04 ft at 4:30AM May 17, 2022Observed: 11.04 ft at 4:40AM May 17, 2022Observed: 10.98 ft at 4:50AM May 17, 2022Observed: 11.07 ft at 5:00AM May 17, 2022Observed: 11.03 ft at 5:10AM May 17, 2022Observed: 11.04 ft at 5:20AM May 17, 2022Observed: 11.02 ft at 5:30AM May 17, 2022Observed: 11.03 ft at 5:40AM May 17, 2022Observed: 11.03 ft at 5:50AM May 17, 2022Observed: 11.03 ft at 6:00AM May 17, 2022Observed: 11 ft at 6:10AM May 17, 2022Observed: 11.03 ft at 6:20AM May 17, 2022Observed: 11.03 ft at 6:30AM May 17, 2022Observed: 11.03 ft at 6:40AM May 17, 2022Observed: 11.03 ft at 6:50AM May 17, 2022Observed: 11.04 ft at 7:00AM May 17, 2022Observed: 11.03 ft at 7:10AM May 17, 2022Observed: 11.03 ft at 7:20AM May 17, 2022Observed: 11.06 ft at 7:30AM May 17, 2022Observed: 11.03 ft at 7:40AM May 17, 2022Observed: 11.02 ft at 7:50AM May 17, 2022Observed: 11.02 ft at 8:00AM May 17, 2022Observed: 11.02 ft at 8:10AM May 17, 2022Observed: 11.01 ft at 8:20AM May 17, 2022Observed: 11.03 ft at 8:30AM May 17, 2022Observed: 11.01 ft at 8:40AM May 17, 2022Observed: 11.02 ft at 8:50AM May 17, 2022Observed: 11.04 ft at 9:00AM May 17, 2022Observed: 11.01 ft at 9:10AM May 17, 2022Observed: 11.01 ft at 9:20AM May 17, 2022Observed: 11.02 ft at 9:30AM May 17, 2022Observed: 11 ft at 9:40AM May 17, 2022Observed: 11.03 ft at 9:50AM May 17, 2022Observed: 11.01 ft at 10:00AM May 17, 2022Observed: 11.02 ft at 10:10AM May 17, 2022Observed: 11.01 ft at 10:20AM May 17, 2022Observed: 11 ft at 10:30AM May 17, 2022Observed: 11.03 ft at 10:40AM May 17, 2022Observed: 11.01 ft at 10:50AM May 17, 2022Observed: 11 ft at 11:00AM May 17, 2022Observed: 11 ft at 11:10AM May 17, 2022Observed: 11.01 ft at 11:20AM May 17, 2022Observed: 11.01 ft at 11:30AM May 17, 2022Observed: 11.07 ft at 12:10PM May 17, 2022Observed: 11.01 ft at 12:20PM May 17, 2022Observed: 10.99 ft at 12:30PM May 17, 2022Observed: 10.99 ft at 12:40PM May 17, 2022Observed: 10.99 ft at 12:50PM May 17, 2022Observed: 11 ft at 1:00PM May 17, 2022Observed: 10.99 ft at 1:10PM May 17, 2022Observed: 10.99 ft at 1:20PM May 17, 2022Observed: 10.98 ft at 1:30PM May 17, 2022Observed: 10.98 ft at 1:40PM May 17, 2022Observed: 10.99 ft at 1:50PM May 17, 2022Observed: 11 ft at 2:00PM May 17, 2022Observed: 10.97 ft at 2:10PM May 17, 2022Observed: 10.98 ft at 2:20PM May 17, 2022Observed: 10.98 ft at 2:30PM May 17, 2022Observed: 10.95 ft at 2:40PM May 17, 2022Observed: 10.99 ft at 2:50PM May 17, 2022Observed: 10.98 ft at 3:00PM May 17, 2022Highest Forecast: 10.9 ft 7:00PM May 17, 2022Forecast: 10.8 ft 1:00AM May 18, 2022Forecast: 10.8 ft 7:00AM May 18, 2022Forecast: 10.7 ft 1:00PM May 18, 2022Forecast: 10.7 ft 7:00PM May 18, 2022Forecast: 10.6 ft 1:00AM May 19, 2022Forecast: 10.6 ft 7:00AM May 19, 2022Forecast: 10.6 ft 1:00PM May 19, 2022Forecast: 10.5 ft 7:00PM May 19, 2022Forecast: 10.5 ft 1:00AM May 20, 2022Forecast: 10.5 ft 7:00AM May 20, 2022Forecast: 10.5 ft 1:00PM May 20, 2022Forecast: 10.4 ft 7:00PM May 20, 2022Forecast: 10.4 ft 1:00AM May 21, 2022Forecast: 10.4 ft 7:00AM May 21, 2022Forecast: 10.4 ft 1:00PM May 21, 2022Forecast: 10.4 ft 7:00PM May 21, 2022Forecast: 10.4 ft 1:00AM May 22, 2022Forecast: 10.4 ft 7:00AM May 22, 2022Forecast: 10.4 ft 1:00PM May 22, 2022Forecast: 10.4 ft 7:00PM May 22, 2022Forecast: 10.4 ft 1:00AM May 23, 2022Forecast: 10.4 ft 7:00AM May 23, 2022Forecast: 10.4 ft 1:00PM May 23, 2022Forecast: 10.4 ft 7:00PM May 23, 2022Forecast: 10.5 ft 1:00AM May 24, 2022Forecast: 10.5 ft 7:00AM May 24, 2022U.S. Army Corps of EngineersILNI2(plotting HTIRG) Graph Created (3:49PM May 17, 2022)ObservedForecast (issued 10:02AM May 17)Latest observed value: 10.98 ft at 3:00 PM CDT 17-May-2022. Flood Stage is 15 ft
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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.

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Upstream Gauge - above Fairport 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) 23.23 ft on 05/03/2019
(4) 22.96 ft on 06/17/2008
(5) 22.81 ft on 06/02/2019 (P)
(6) 22.41 ft on 04/25/2001
(7) 22.23 ft on 07/05/2014
(8) 20.83 ft on 04/10/2019 (P)
(9) 20.74 ft on 04/23/2011
(10) 20.30 ft on 04/22/2013
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 22.81 ft on 06/02/2019 (P)
(2) 23.23 ft on 05/03/2019
(3) 20.83 ft on 04/10/2019 (P)
(4) 17.22 ft on 05/12/2018
(5) 16.76 ft on 06/01/2017
(6) 15.87 ft on 09/30/2016
(7) 15.11 ft on 03/29/2016
(8) 13.52 ft on 06/18/2015
(9) 22.23 ft on 07/05/2014
(10) 20.30 ft on 04/22/2013
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:16
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Gauge LocationGauge Map Marker
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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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
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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