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Hydrograph River at a Glance Download
Mississippi River at Illinois City Tailwater (ft)Flow (kcfs)Observed: 8.2 ft at 3:50AM Apr 19, 2018Observed: 8.18 ft at 4:00AM Apr 19, 2018Observed: 8.19 ft at 4:10AM Apr 19, 2018Observed: 8.21 ft at 4:20AM Apr 19, 2018Observed: 8.2 ft at 4:30AM Apr 19, 2018Observed: 8.2 ft at 4:40AM Apr 19, 2018Observed: 8.22 ft at 4:50AM Apr 19, 2018Observed: 8.23 ft at 5:00AM Apr 19, 2018Observed: 8.2 ft at 5:10AM Apr 19, 2018Observed: 8.23 ft at 5:20AM Apr 19, 2018Observed: 8.22 ft at 5:30AM Apr 19, 2018Observed: 8.24 ft at 5:40AM Apr 19, 2018Observed: 8.23 ft at 5:50AM Apr 19, 2018Observed: 8.24 ft at 6:00AM Apr 19, 2018Observed: 8.27 ft at 6:10AM Apr 19, 2018Observed: 8.23 ft at 6:20AM Apr 19, 2018Observed: 8.24 ft at 6:30AM Apr 19, 2018Observed: 8.29 ft at 6:40AM Apr 19, 2018Observed: 8.23 ft at 6:50AM Apr 19, 2018Observed: 8.22 ft at 7:00AM Apr 19, 2018Observed: 8.27 ft at 7:10AM Apr 19, 2018Observed: 8.28 ft at 7:20AM Apr 19, 2018Observed: 8.25 ft at 7:30AM Apr 19, 2018Observed: 8.26 ft at 7:40AM Apr 19, 2018Observed: 8.29 ft at 7:50AM Apr 19, 2018Observed: 8.27 ft at 8:00AM Apr 19, 2018Observed: 8.27 ft at 8:10AM Apr 19, 2018Observed: 8.29 ft at 8:20AM Apr 19, 2018Observed: 8.27 ft at 8:30AM Apr 19, 2018Observed: 8.27 ft at 8:40AM Apr 19, 2018Observed: 8.29 ft at 8:50AM Apr 19, 2018Observed: 8.29 ft at 9:00AM Apr 19, 2018Observed: 8.27 ft at 9:10AM Apr 19, 2018Observed: 8.29 ft at 9:20AM Apr 19, 2018Observed: 8.29 ft at 9:30AM Apr 19, 2018Observed: 8.3 ft at 9:40AM Apr 19, 2018Observed: 8.29 ft at 9:50AM Apr 19, 2018Observed: 8.32 ft at 10:00AM Apr 19, 2018Observed: 8.3 ft at 10:10AM Apr 19, 2018Observed: 8.3 ft at 10:20AM Apr 19, 2018Observed: 8.33 ft at 10:30AM Apr 19, 2018Observed: 8.32 ft at 10:40AM Apr 19, 2018Observed: 8.32 ft at 10:50AM Apr 19, 2018Observed: 8.39 ft at 11:00AM Apr 19, 2018Observed: 8.44 ft at 11:10AM Apr 19, 2018Observed: 8.5 ft at 11:20AM Apr 19, 2018Observed: 8.56 ft at 11:30AM Apr 19, 2018Observed: 8.55 ft at 11:40AM Apr 19, 2018Observed: 8.58 ft at 11:50AM Apr 19, 2018Observed: 8.57 ft at 12:00PM Apr 19, 2018Observed: 8.57 ft at 12:10PM Apr 19, 2018Observed: 8.57 ft at 12:20PM Apr 19, 2018Observed: 8.55 ft at 12:30PM Apr 19, 2018Observed: 8.55 ft at 12:40PM Apr 19, 2018Observed: 8.55 ft at 12:50PM Apr 19, 2018Observed: 8.52 ft at 1:00PM Apr 19, 2018Observed: 8.49 ft at 1:10PM Apr 19, 2018Observed: 8.52 ft at 1:20PM Apr 19, 2018Observed: 8.55 ft at 1:30PM Apr 19, 2018Observed: 8.53 ft at 1:40PM Apr 19, 2018Observed: 8.54 ft at 1:50PM Apr 19, 2018Observed: 8.55 ft at 2:00PM Apr 19, 2018Observed: 8.58 ft at 2:10PM Apr 19, 2018Observed: 8.53 ft at 2:20PM Apr 19, 2018Observed: 8.52 ft at 2:30PM Apr 19, 2018Observed: 8.54 ft at 2:40PM Apr 19, 2018Observed: 8.56 ft at 2:50PM Apr 19, 2018Observed: 8.55 ft at 3:00PM Apr 19, 2018Observed: 8.54 ft at 3:10PM Apr 19, 2018Observed: 8.56 ft at 3:20PM Apr 19, 2018Observed: 8.56 ft at 3:30PM Apr 19, 2018Observed: 8.55 ft at 3:40PM Apr 19, 2018Observed: 8.57 ft at 3:50PM Apr 19, 2018Observed: 8.55 ft at 4:00PM Apr 19, 2018Observed: 8.56 ft at 4:10PM Apr 19, 2018Observed: 8.55 ft at 4:20PM Apr 19, 2018Observed: 8.56 ft at 4:30PM Apr 19, 2018Observed: 8.54 ft at 4:40PM Apr 19, 2018Observed: 8.56 ft at 4:50PM Apr 19, 2018Observed: 8.54 ft at 5:00PM Apr 19, 2018Observed: 8.59 ft at 5:10PM Apr 19, 2018Observed: 8.57 ft at 5:20PM Apr 19, 2018Observed: 8.57 ft at 5:30PM Apr 19, 2018Observed: 8.55 ft at 5:40PM Apr 19, 2018Observed: 8.58 ft at 5:50PM Apr 19, 2018Observed: 8.55 ft at 6:00PM Apr 19, 2018Observed: 8.55 ft at 6:10PM Apr 19, 2018Observed: 8.58 ft at 6:20PM Apr 19, 2018Observed: 8.57 ft at 6:30PM Apr 19, 2018Observed: 8.58 ft at 6:40PM Apr 19, 2018Observed: 8.56 ft at 6:50PM Apr 19, 2018Observed: 8.6 ft at 7:00PM Apr 19, 2018Observed: 8.56 ft at 7:10PM Apr 19, 2018Observed: 8.57 ft at 7:20PM Apr 19, 2018Observed: 8.57 ft at 7:30PM Apr 19, 2018Observed: 8.58 ft at 7:40PM Apr 19, 2018Observed: 8.57 ft at 7:50PM Apr 19, 2018Observed: 8.58 ft at 8:00PM Apr 19, 2018Observed: 8.57 ft at 8:10PM Apr 19, 2018Observed: 8.58 ft at 8:20PM Apr 19, 2018Observed: 8.59 ft at 8:30PM Apr 19, 2018Observed: 8.58 ft at 8:40PM Apr 19, 2018Observed: 8.59 ft at 8:50PM Apr 19, 2018Observed: 8.59 ft at 9:00PM Apr 19, 2018Observed: 8.6 ft at 9:10PM Apr 19, 2018Observed: 8.6 ft at 9:20PM Apr 19, 2018Observed: 8.57 ft at 9:30PM Apr 19, 2018Observed: 8.6 ft at 9:40PM Apr 19, 2018Observed: 8.6 ft at 9:50PM Apr 19, 2018Observed: 8.6 ft at 10:00PM Apr 19, 2018Observed: 8.6 ft at 10:10PM Apr 19, 2018Observed: 8.61 ft at 10:20PM Apr 19, 2018Observed: 8.62 ft at 10:30PM Apr 19, 2018Observed: 8.6 ft at 10:40PM Apr 19, 2018Observed: 8.61 ft at 10:50PM Apr 19, 2018Observed: 8.59 ft at 11:00PM Apr 19, 2018Observed: 8.61 ft at 11:10PM Apr 19, 2018Observed: 8.6 ft at 11:20PM Apr 19, 2018Observed: 8.6 ft at 11:30PM Apr 19, 2018Observed: 8.63 ft at 11:40PM Apr 19, 2018Observed: 8.61 ft at 11:50PM Apr 19, 2018Observed: 8.64 ft at 12:00AM Apr 20, 2018Observed: 8.62 ft at 12:10AM Apr 20, 2018Observed: 8.63 ft at 12:20AM Apr 20, 2018Observed: 8.64 ft at 12:30AM Apr 20, 2018Observed: 8.62 ft at 12:40AM Apr 20, 2018Observed: 8.65 ft at 12:50AM Apr 20, 2018Observed: 8.62 ft at 1:00AM Apr 20, 2018Observed: 8.65 ft at 1:10AM Apr 20, 2018Observed: 8.66 ft at 1:20AM Apr 20, 2018Observed: 8.67 ft at 1:30AM Apr 20, 2018Observed: 8.62 ft at 1:40AM Apr 20, 2018Observed: 8.63 ft at 1:50AM Apr 20, 2018Observed: 8.63 ft at 2:00AM Apr 20, 2018Observed: 8.63 ft at 2:10AM Apr 20, 2018Observed: 8.62 ft at 2:20AM Apr 20, 2018Observed: 8.64 ft at 2:30AM Apr 20, 2018Observed: 8.64 ft at 2:40AM Apr 20, 2018Observed: 8.65 ft at 2:50AM Apr 20, 2018Observed: 8.64 ft at 3:00AM Apr 20, 2018Observed: 8.65 ft at 3:10AM Apr 20, 2018Observed: 8.66 ft at 3:20AM Apr 20, 2018Observed: 8.62 ft at 3:30AM Apr 20, 2018Observed: 8.64 ft at 3:40AM Apr 20, 2018Observed: 8.64 ft at 3:50AM Apr 20, 2018Observed: 8.65 ft at 4:00AM Apr 20, 2018Observed: 8.65 ft at 4:10AM Apr 20, 2018Observed: 8.66 ft at 4:20AM Apr 20, 2018Observed: 8.63 ft at 4:30AM Apr 20, 2018Observed: 8.65 ft at 4:40AM Apr 20, 2018Observed: 8.63 ft at 4:50AM Apr 20, 2018Observed: 8.67 ft at 5:00AM Apr 20, 2018Observed: 8.64 ft at 5:10AM Apr 20, 2018Observed: 8.65 ft at 5:20AM Apr 20, 2018Observed: 8.64 ft at 5:30AM Apr 20, 2018Observed: 8.64 ft at 5:40AM Apr 20, 2018Observed: 8.67 ft at 5:50AM Apr 20, 2018Observed: 8.64 ft at 6:00AM Apr 20, 2018Observed: 8.65 ft at 6:10AM Apr 20, 2018Observed: 8.65 ft at 6:20AM Apr 20, 2018Observed: 8.67 ft at 6:30AM Apr 20, 2018Observed: 8.65 ft at 6:40AM Apr 20, 2018Observed: 8.66 ft at 6:50AM Apr 20, 2018Observed: 8.65 ft at 7:00AM Apr 20, 2018Observed: 8.67 ft at 7:10AM Apr 20, 2018Observed: 8.67 ft at 7:20AM Apr 20, 2018Observed: 8.66 ft at 7:30AM Apr 20, 2018Observed: 8.67 ft at 7:40AM Apr 20, 2018Observed: 8.66 ft at 7:50AM Apr 20, 2018Observed: 8.67 ft at 8:00AM Apr 20, 2018Observed: 8.67 ft at 8:10AM Apr 20, 2018Observed: 8.69 ft at 8:20AM Apr 20, 2018Observed: 8.66 ft at 8:30AM Apr 20, 2018Observed: 8.66 ft at 8:40AM Apr 20, 2018Observed: 8.66 ft at 8:50AM Apr 20, 2018Observed: 8.67 ft at 9:00AM Apr 20, 2018Observed: 8.63 ft at 9:10AM Apr 20, 2018Observed: 8.6 ft at 9:20AM Apr 20, 2018Observed: 8.65 ft at 9:30AM Apr 20, 2018Observed: 8.6 ft at 9:40AM Apr 20, 2018Observed: 8.63 ft at 9:50AM Apr 20, 2018Observed: 8.65 ft at 10:00AM Apr 20, 2018Observed: 8.65 ft at 10:10AM Apr 20, 2018Observed: 8.66 ft at 10:20AM Apr 20, 2018Observed: 8.65 ft at 10:30AM Apr 20, 2018Observed: 8.66 ft at 10:40AM Apr 20, 2018Observed: 8.66 ft at 10:50AM Apr 20, 2018Observed: 8.66 ft at 11:00AM Apr 20, 2018Observed: 8.67 ft at 11:10AM Apr 20, 2018Observed: 8.66 ft at 11:20AM Apr 20, 2018Observed: 8.66 ft at 11:30AM Apr 20, 2018Observed: 8.68 ft at 11:40AM Apr 20, 2018Observed: 8.67 ft at 11:50AM Apr 20, 2018Observed: 8.65 ft at 12:00PM Apr 20, 2018Observed: 8.67 ft at 12:10PM Apr 20, 2018Observed: 8.68 ft at 12:20PM Apr 20, 2018Observed: 8.66 ft at 12:30PM Apr 20, 2018Observed: 8.67 ft at 12:40PM Apr 20, 2018Observed: 8.68 ft at 12:50PM Apr 20, 2018Observed: 8.7 ft at 1:00PM Apr 20, 2018Observed: 8.68 ft at 1:10PM Apr 20, 2018Observed: 8.68 ft at 1:20PM Apr 20, 2018Observed: 8.67 ft at 1:30PM Apr 20, 2018Observed: 8.7 ft at 1:40PM Apr 20, 2018Observed: 8.63 ft at 1:50PM Apr 20, 2018Observed: 8.69 ft at 2:00PM Apr 20, 2018Observed: 8.69 ft at 2:10PM Apr 20, 2018Observed: 8.69 ft at 2:20PM Apr 20, 2018Observed: 8.74 ft at 2:30PM Apr 20, 2018Observed: 8.85 ft at 2:40PM Apr 20, 2018Observed: 8.89 ft at 2:50PM Apr 20, 2018Observed: 8.87 ft at 3:00PM Apr 20, 2018Observed: 8.91 ft at 3:10PM Apr 20, 2018Observed: 8.92 ft at 3:20PM Apr 20, 2018Observed: 8.92 ft at 3:30PM Apr 20, 2018Observed: 8.9 ft at 3:40PM Apr 20, 2018Observed: 8.92 ft at 3:50PM Apr 20, 2018Observed: 8.9 ft at 4:00PM Apr 20, 2018Observed: 8.89 ft at 4:10PM Apr 20, 2018Observed: 8.88 ft at 4:20PM Apr 20, 2018Observed: 8.9 ft at 4:30PM Apr 20, 2018Observed: 8.9 ft at 4:40PM Apr 20, 2018Observed: 8.91 ft at 4:50PM Apr 20, 2018Observed: 8.91 ft at 5:00PM Apr 20, 2018Observed: 8.89 ft at 5:10PM Apr 20, 2018Observed: 8.89 ft at 5:20PM Apr 20, 2018Observed: 8.89 ft at 5:30PM Apr 20, 2018Observed: 8.89 ft at 5:40PM Apr 20, 2018Observed: 8.91 ft at 5:50PM Apr 20, 2018Observed: 8.92 ft at 6:00PM Apr 20, 2018Observed: 8.9 ft at 6:10PM Apr 20, 2018Observed: 8.91 ft at 6:20PM Apr 20, 2018Observed: 8.89 ft at 6:30PM Apr 20, 2018Observed: 8.89 ft at 6:40PM Apr 20, 2018Observed: 8.89 ft at 6:50PM Apr 20, 2018Observed: 8.9 ft at 7:00PM Apr 20, 2018Observed: 8.91 ft at 7:10PM Apr 20, 2018Observed: 8.9 ft at 7:20PM Apr 20, 2018Observed: 8.91 ft at 7:30PM Apr 20, 2018Observed: 8.91 ft at 7:40PM Apr 20, 2018Observed: 8.92 ft at 7:50PM Apr 20, 2018Observed: 8.89 ft at 8:00PM Apr 20, 2018Observed: 8.88 ft at 8:10PM Apr 20, 2018Observed: 8.89 ft at 8:20PM Apr 20, 2018Observed: 8.91 ft at 8:30PM Apr 20, 2018Observed: 8.91 ft at 8:40PM Apr 20, 2018Observed: 8.89 ft at 8:50PM Apr 20, 2018Observed: 8.88 ft at 9:00PM Apr 20, 2018Observed: 8.87 ft at 9:10PM Apr 20, 2018Observed: 8.91 ft at 9:20PM Apr 20, 2018Observed: 8.91 ft at 9:30PM Apr 20, 2018Observed: 8.91 ft at 9:40PM Apr 20, 2018Observed: 8.9 ft at 9:50PM Apr 20, 2018Observed: 8.9 ft at 10:00PM Apr 20, 2018Observed: 8.9 ft at 10:10PM Apr 20, 2018Observed: 8.88 ft at 10:20PM Apr 20, 2018Observed: 8.91 ft at 10:30PM Apr 20, 2018Observed: 8.91 ft at 10:40PM Apr 20, 2018Observed: 8.92 ft at 10:50PM Apr 20, 2018Observed: 8.9 ft at 11:00PM Apr 20, 2018Observed: 8.91 ft at 11:10PM Apr 20, 2018Observed: 8.9 ft at 11:20PM Apr 20, 2018Observed: 8.9 ft at 11:30PM Apr 20, 2018Observed: 8.9 ft at 11:40PM Apr 20, 2018Observed: 8.89 ft at 11:50PM Apr 20, 2018Observed: 8.89 ft at 12:00AM Apr 21, 2018Observed: 8.9 ft at 12:10AM Apr 21, 2018Observed: 8.9 ft at 12:20AM Apr 21, 2018Observed: 8.92 ft at 12:30AM Apr 21, 2018Observed: 8.88 ft at 12:40AM Apr 21, 2018Observed: 8.92 ft at 12:50AM Apr 21, 2018Observed: 8.89 ft at 1:00AM Apr 21, 2018Observed: 8.91 ft at 1:10AM Apr 21, 2018Observed: 8.9 ft at 1:20AM Apr 21, 2018Observed: 8.93 ft at 1:30AM Apr 21, 2018Observed: 8.92 ft at 1:40AM Apr 21, 2018Observed: 8.91 ft at 1:50AM Apr 21, 2018Observed: 8.91 ft at 2:00AM Apr 21, 2018Observed: 8.93 ft at 2:10AM Apr 21, 2018Observed: 8.91 ft at 2:20AM Apr 21, 2018Observed: 8.92 ft at 2:30AM Apr 21, 2018Observed: 8.92 ft at 2:40AM Apr 21, 2018Observed: 8.9 ft at 2:50AM Apr 21, 2018Observed: 8.89 ft at 3:00AM Apr 21, 2018Observed: 8.91 ft at 3:10AM Apr 21, 2018Observed: 8.91 ft at 3:20AM Apr 21, 2018Observed: 8.93 ft at 3:30AM Apr 21, 2018Observed: 8.93 ft at 3:40AM Apr 21, 2018Observed: 8.92 ft at 3:50AM Apr 21, 2018Observed: 8.92 ft at 4:00AM Apr 21, 2018Observed: 8.91 ft at 4:10AM Apr 21, 2018Observed: 8.92 ft at 4:20AM Apr 21, 2018Observed: 8.91 ft at 4:30AM Apr 21, 2018Observed: 8.91 ft at 4:40AM Apr 21, 2018Observed: 8.92 ft at 4:50AM Apr 21, 2018Observed: 8.92 ft at 5:00AM Apr 21, 2018Observed: 8.91 ft at 5:10AM Apr 21, 2018Observed: 8.91 ft at 5:20AM Apr 21, 2018Observed: 8.88 ft at 5:30AM Apr 21, 2018Observed: 8.95 ft at 5:40AM Apr 21, 2018Observed: 8.93 ft at 5:50AM Apr 21, 2018Observed: 8.92 ft at 6:00AM Apr 21, 2018Observed: 8.94 ft at 6:10AM Apr 21, 2018Observed: 8.93 ft at 6:20AM Apr 21, 2018Observed: 8.9 ft at 6:30AM Apr 21, 2018Observed: 8.92 ft at 6:40AM Apr 21, 2018Observed: 8.9 ft at 6:50AM Apr 21, 2018Observed: 8.93 ft at 7:00AM Apr 21, 2018Observed: 8.91 ft at 7:10AM Apr 21, 2018Observed: 8.91 ft at 7:20AM Apr 21, 2018Observed: 8.92 ft at 7:30AM Apr 21, 2018Observed: 8.92 ft at 7:40AM Apr 21, 2018Observed: 8.92 ft at 7:50AM Apr 21, 2018Observed: 8.91 ft at 8:00AM Apr 21, 2018Observed: 8.91 ft at 8:10AM Apr 21, 2018Observed: 8.91 ft at 8:20AM Apr 21, 2018Observed: 8.95 ft at 8:30AM Apr 21, 2018Observed: 8.94 ft at 8:40AM Apr 21, 2018Observed: 8.91 ft at 8:50AM Apr 21, 2018Observed: 8.94 ft at 9:00AM Apr 21, 2018Observed: 8.93 ft at 9:10AM Apr 21, 2018Observed: 8.93 ft at 9:20AM Apr 21, 2018Observed: 8.92 ft at 9:30AM Apr 21, 2018Observed: 8.94 ft at 9:40AM Apr 21, 2018Observed: 8.91 ft at 9:50AM Apr 21, 2018Observed: 8.93 ft at 10:00AM Apr 21, 2018Observed: 8.93 ft at 10:10AM Apr 21, 2018Observed: 8.93 ft at 10:20AM Apr 21, 2018Observed: 8.94 ft at 10:30AM Apr 21, 2018Observed: 8.94 ft at 10:40AM Apr 21, 2018Observed: 8.94 ft at 10:50AM Apr 21, 2018Observed: 8.92 ft at 11:00AM Apr 21, 2018Observed: 8.93 ft at 11:10AM Apr 21, 2018Observed: 8.93 ft at 11:20AM Apr 21, 2018Observed: 8.93 ft at 11:30AM Apr 21, 2018Observed: 8.94 ft at 11:40AM Apr 21, 2018Observed: 8.95 ft at 11:50AM Apr 21, 2018Observed: 8.95 ft at 12:00PM Apr 21, 2018Observed: 8.91 ft at 12:10PM Apr 21, 2018Observed: 8.91 ft at 12:20PM Apr 21, 2018Observed: 8.93 ft at 12:30PM Apr 21, 2018Observed: 8.95 ft at 12:40PM Apr 21, 2018Observed: 8.92 ft at 12:50PM Apr 21, 2018Observed: 8.94 ft at 1:00PM Apr 21, 2018Observed: 8.94 ft at 1:10PM Apr 21, 2018Observed: 8.92 ft at 1:20PM Apr 21, 2018Observed: 8.93 ft at 1:30PM Apr 21, 2018Observed: 8.94 ft at 1:40PM Apr 21, 2018Observed: 8.95 ft at 1:50PM Apr 21, 2018Observed: 8.92 ft at 2:00PM Apr 21, 2018Observed: 8.92 ft at 2:10PM Apr 21, 2018Observed: 8.95 ft at 2:20PM Apr 21, 2018Observed: 8.93 ft at 2:30PM Apr 21, 2018Observed: 8.89 ft at 2:40PM Apr 21, 2018Observed: 8.96 ft at 2:50PM Apr 21, 2018Observed: 8.95 ft at 3:00PM Apr 21, 2018Observed: 8.95 ft at 3:10PM Apr 21, 2018Observed: 8.93 ft at 3:20PM Apr 21, 2018Observed: 8.94 ft at 3:30PM Apr 21, 2018Observed: 8.94 ft at 3:40PM Apr 21, 2018Observed: 8.95 ft at 3:50PM Apr 21, 2018Highest Observation: 8.99 ft at 4:00PM Apr 21, 2018Observed: 8.96 ft at 4:10PM Apr 21, 2018Observed: 8.96 ft at 4:20PM Apr 21, 2018Observed: 8.93 ft at 4:30PM Apr 21, 2018Observed: 8.98 ft at 4:40PM Apr 21, 2018Observed: 8.96 ft at 4:50PM Apr 21, 2018Observed: 8.91 ft at 5:00PM Apr 21, 2018Observed: 8.94 ft at 5:10PM Apr 21, 2018Observed: 8.97 ft at 5:20PM Apr 21, 2018Observed: 8.94 ft at 5:30PM Apr 21, 2018Observed: 8.95 ft at 5:40PM Apr 21, 2018Observed: 8.95 ft at 5:50PM Apr 21, 2018Observed: 8.95 ft at 6:00PM Apr 21, 2018Observed: 8.95 ft at 6:10PM Apr 21, 2018Observed: 8.93 ft at 6:20PM Apr 21, 2018Observed: 8.96 ft at 6:30PM Apr 21, 2018Observed: 8.94 ft at 6:40PM Apr 21, 2018Observed: 8.94 ft at 6:50PM Apr 21, 2018Observed: 8.96 ft at 7:00PM Apr 21, 2018Observed: 8.95 ft at 7:10PM Apr 21, 2018Observed: 8.95 ft at 7:20PM Apr 21, 2018Observed: 8.94 ft at 7:30PM Apr 21, 2018Observed: 8.94 ft at 7:40PM Apr 21, 2018Observed: 8.95 ft at 7:50PM Apr 21, 2018Observed: 8.96 ft at 8:00PM Apr 21, 2018Observed: 8.96 ft at 8:10PM Apr 21, 2018Observed: 8.96 ft at 8:20PM Apr 21, 2018Observed: 8.95 ft at 8:30PM Apr 21, 2018Observed: 8.93 ft at 8:40PM Apr 21, 2018Observed: 8.95 ft at 8:50PM Apr 21, 2018Observed: 8.95 ft at 9:00PM Apr 21, 2018Observed: 8.94 ft at 9:10PM Apr 21, 2018Observed: 8.94 ft at 9:20PM Apr 21, 2018Observed: 8.94 ft at 9:30PM Apr 21, 2018Observed: 8.94 ft at 9:40PM Apr 21, 2018Observed: 8.94 ft at 9:50PM Apr 21, 2018Observed: 8.94 ft at 10:00PM Apr 21, 2018Observed: 8.95 ft at 10:10PM Apr 21, 2018Observed: 8.96 ft at 10:20PM Apr 21, 2018Observed: 8.95 ft at 10:30PM Apr 21, 2018Observed: 8.95 ft at 10:40PM Apr 21, 2018Observed: 8.96 ft at 10:50PM Apr 21, 2018Observed: 8.95 ft at 11:00PM Apr 21, 2018Observed: 8.95 ft at 11:10PM Apr 21, 2018Observed: 8.96 ft at 11:20PM Apr 21, 2018Observed: 8.96 ft at 11:30PM Apr 21, 2018Observed: 8.97 ft at 11:40PM Apr 21, 2018Observed: 8.95 ft at 11:50PM Apr 21, 2018Observed: 8.96 ft at 12:00AM Apr 22, 2018Observed: 8.96 ft at 12:10AM Apr 22, 2018Observed: 8.96 ft at 12:20AM Apr 22, 2018Observed: 8.96 ft at 12:30AM Apr 22, 2018Observed: 8.97 ft at 12:40AM Apr 22, 2018Observed: 8.98 ft at 12:50AM Apr 22, 2018Observed: 8.95 ft at 1:00AM Apr 22, 2018Observed: 8.97 ft at 1:10AM Apr 22, 2018Observed: 8.95 ft at 1:20AM Apr 22, 2018Observed: 8.95 ft at 1:30AM Apr 22, 2018Observed: 8.95 ft at 1:40AM Apr 22, 2018Observed: 8.95 ft at 1:50AM Apr 22, 2018Observed: 8.94 ft at 2:00AM Apr 22, 2018Observed: 8.95 ft at 2:10AM Apr 22, 2018Observed: 8.94 ft at 2:20AM Apr 22, 2018Observed: 8.95 ft at 2:30AM Apr 22, 2018Observed: 8.93 ft at 2:40AM Apr 22, 2018Observed: 8.94 ft at 2:50AM Apr 22, 2018Observed: 8.95 ft at 3:00AM Apr 22, 2018Forecast: 9 ft 7:00AM Apr 22, 2018Forecast: 9 ft 1:00PM Apr 22, 2018Forecast: 9 ft 7:00PM Apr 22, 2018Forecast: 9 ft 1:00AM Apr 23, 2018Forecast: 9 ft 7:00AM Apr 23, 2018Forecast: 9 ft 1:00PM Apr 23, 2018Forecast: 9 ft 7:00PM Apr 23, 2018Forecast: 9 ft 1:00AM Apr 24, 2018Forecast: 9 ft 7:00AM Apr 24, 2018Forecast: 9 ft 1:00PM Apr 24, 2018Forecast: 9.1 ft 7:00PM Apr 24, 2018Forecast: 9.1 ft 1:00AM Apr 25, 2018Forecast: 9.1 ft 7:00AM Apr 25, 2018Forecast: 9.2 ft 1:00PM Apr 25, 2018Forecast: 9.3 ft 7:00PM Apr 25, 2018Forecast: 9.3 ft 1:00AM Apr 26, 2018Forecast: 9.4 ft 7:00AM Apr 26, 2018Forecast: 9.5 ft 1:00PM Apr 26, 2018Forecast: 9.6 ft 7:00PM Apr 26, 2018Forecast: 9.7 ft 1:00AM Apr 27, 2018Forecast: 9.8 ft 7:00AM Apr 27, 2018Forecast: 9.9 ft 1:00PM Apr 27, 2018Forecast: 10 ft 7:00PM Apr 27, 2018Forecast: 10 ft 1:00AM Apr 28, 2018Forecast: 10.1 ft 7:00AM Apr 28, 2018Highest Forecast: 10.2 ft 1:00PM Apr 28, 2018U.S. Army Corps of EngineersILNI2(plotting HTIRG) Graph Created (3:47AM Apr 22, 2018)ObservedForecast (issued 8:38PM Apr 21)Latest observed value: 8.95 ft at 3:00 AM CDT 22-Apr-2018. Flood Stage is 15 ft
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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) 22.29 ft on 07/05/2014 (P)
(6) 20.74 ft on 04/23/2011
(7) 20.29 ft on 04/22/2013 (P)
(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) 16.88 ft on 10/03/2016
(2) 15.11 ft on 03/29/2016
(3) 22.29 ft on 07/05/2014 (P)
(4) 15.72 ft on 05/23/2014 (P)
(5) 16.15 ft on 05/14/2014 (P)
(6) 18.47 ft on 07/02/2013 (P)
(7) 15.73 ft on 05/15/2013 (P)
(8) 20.29 ft on 04/22/2013 (P)
(9) 20.74 ft on 04/23/2011
(10) 22.96 ft on 06/17/2008
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:16
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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
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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.
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
9050 Harrison Street
Davenport, IA 52806-7326
(563) 386-3976
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