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Hydrograph River at a Glance Download
Chicago Sanitary and Ship Canal at Chicago (Western Ave) Stage (ft)Observed: -2.32 ft at 5:50AM Apr 27, 2024Observed: -2.32 ft at 6:00AM Apr 27, 2024Observed: -2.29 ft at 6:10AM Apr 27, 2024Observed: -2.3 ft at 6:20AM Apr 27, 2024Observed: -2.31 ft at 6:30AM Apr 27, 2024Observed: -2.33 ft at 6:40AM Apr 27, 2024Observed: -2.34 ft at 6:50AM Apr 27, 2024Observed: -2.33 ft at 7:00AM Apr 27, 2024Observed: -2.38 ft at 7:10AM Apr 27, 2024Observed: -2.42 ft at 7:20AM Apr 27, 2024Observed: -2.4 ft at 7:30AM Apr 27, 2024Observed: -2.4 ft at 7:40AM Apr 27, 2024Observed: -2.41 ft at 7:50AM Apr 27, 2024Observed: -2.35 ft at 8:00AM Apr 27, 2024Observed: -2.29 ft at 8:10AM Apr 27, 2024Observed: -2.29 ft at 8:20AM Apr 27, 2024Observed: -2.28 ft at 8:30AM Apr 27, 2024Observed: -2.25 ft at 8:40AM Apr 27, 2024Observed: -2.26 ft at 8:50AM Apr 27, 2024Observed: -2.28 ft at 9:00AM Apr 27, 2024Observed: -2.36 ft at 9:10AM Apr 27, 2024Observed: -2.33 ft at 9:20AM Apr 27, 2024Observed: -2.31 ft at 9:30AM Apr 27, 2024Observed: -2.3 ft at 9:40AM Apr 27, 2024Observed: -2.26 ft at 9:50AM Apr 27, 2024Observed: -2.16 ft at 10:00AM Apr 27, 2024Observed: -2.19 ft at 10:10AM Apr 27, 2024Observed: -2.2 ft at 10:20AM Apr 27, 2024Observed: -2.2 ft at 10:30AM Apr 27, 2024Observed: -2.2 ft at 10:40AM Apr 27, 2024Observed: -2.21 ft at 10:50AM Apr 27, 2024Observed: -2.21 ft at 11:00AM Apr 27, 2024Observed: -2.18 ft at 11:10AM Apr 27, 2024Observed: -2.19 ft at 11:20AM Apr 27, 2024Observed: -2.18 ft at 11:30AM Apr 27, 2024Observed: -2.19 ft at 11:40AM Apr 27, 2024Observed: -2.17 ft at 11:50AM Apr 27, 2024Observed: -2.16 ft at 12:00PM Apr 27, 2024Observed: -2.16 ft at 12:10PM Apr 27, 2024Observed: -2.18 ft at 12:20PM Apr 27, 2024Observed: -2.15 ft at 12:30PM Apr 27, 2024Observed: -2.16 ft at 12:40PM Apr 27, 2024Observed: -2.17 ft at 12:50PM Apr 27, 2024Observed: -2.17 ft at 1:00PM Apr 27, 2024Observed: -2.2 ft at 1:10PM Apr 27, 2024Observed: -2.26 ft at 1:20PM Apr 27, 2024Observed: -2.22 ft at 1:30PM Apr 27, 2024Observed: -2.18 ft at 1:40PM Apr 27, 2024Observed: -2.16 ft at 1:50PM Apr 27, 2024Observed: -2.12 ft at 2:00PM Apr 27, 2024Observed: -2.12 ft at 2:10PM Apr 27, 2024Observed: -2.12 ft at 2:20PM Apr 27, 2024Observed: -2.15 ft at 2:30PM Apr 27, 2024Observed: -2.15 ft at 2:40PM Apr 27, 2024Observed: -2.13 ft at 2:50PM Apr 27, 2024Observed: -2.15 ft at 3:00PM Apr 27, 2024Observed: -2.16 ft at 3:10PM Apr 27, 2024Observed: -2.11 ft at 3:20PM Apr 27, 2024Observed: -2.16 ft at 3:30PM Apr 27, 2024Observed: -2.13 ft at 3:40PM Apr 27, 2024Observed: -2.1 ft at 3:50PM Apr 27, 2024Observed: -2.1 ft at 4:00PM Apr 27, 2024Observed: -2.13 ft at 4:10PM Apr 27, 2024Observed: -2.1 ft at 4:20PM Apr 27, 2024Observed: -2.09 ft at 4:30PM Apr 27, 2024Observed: -2.12 ft at 4:40PM Apr 27, 2024Observed: -2.09 ft at 4:50PM Apr 27, 2024Observed: -2.11 ft at 5:00PM Apr 27, 2024Observed: -2.12 ft at 5:10PM Apr 27, 2024Observed: -2.12 ft at 5:20PM Apr 27, 2024Observed: -2.12 ft at 5:30PM Apr 27, 2024Observed: -2.12 ft at 5:40PM Apr 27, 2024Observed: -2.12 ft at 5:50PM Apr 27, 2024Observed: -2.08 ft at 6:00PM Apr 27, 2024Observed: -2.12 ft at 6:10PM Apr 27, 2024Observed: -2.16 ft at 6:20PM Apr 27, 2024Observed: -2.19 ft at 6:30PM Apr 27, 2024Observed: -2.2 ft at 6:40PM Apr 27, 2024Observed: -2.18 ft at 6:50PM Apr 27, 2024Observed: -2.15 ft at 7:00PM Apr 27, 2024Observed: -2.12 ft at 7:10PM Apr 27, 2024Observed: -2.11 ft at 7:20PM Apr 27, 2024Observed: -2.1 ft at 7:30PM Apr 27, 2024Observed: -2.17 ft at 7:40PM Apr 27, 2024Observed: -2.18 ft at 7:50PM Apr 27, 2024Observed: -2.24 ft at 8:00PM Apr 27, 2024Observed: -2.26 ft at 8:10PM Apr 27, 2024Observed: -2.24 ft at 8:20PM Apr 27, 2024Observed: -2.26 ft at 8:30PM Apr 27, 2024Observed: -2.26 ft at 8:40PM Apr 27, 2024Observed: -2.26 ft at 8:50PM Apr 27, 2024Observed: -2.26 ft at 9:00PM Apr 27, 2024Observed: -2.3 ft at 9:10PM Apr 27, 2024Observed: -2.29 ft at 9:20PM Apr 27, 2024Observed: -2.31 ft at 9:30PM Apr 27, 2024Observed: -2.29 ft at 9:40PM Apr 27, 2024Observed: -2.3 ft at 9:50PM Apr 27, 2024Observed: -2.31 ft at 10:00PM Apr 27, 2024Observed: -2.31 ft at 10:10PM Apr 27, 2024Observed: -2.34 ft at 10:20PM Apr 27, 2024Observed: -2.33 ft at 10:30PM Apr 27, 2024Observed: -2.31 ft at 10:40PM Apr 27, 2024Observed: -2.32 ft at 10:50PM Apr 27, 2024Observed: -2.3 ft at 11:00PM Apr 27, 2024Observed: -2.31 ft at 11:10PM Apr 27, 2024Observed: -2.35 ft at 11:20PM Apr 27, 2024Observed: -2.4 ft at 11:30PM Apr 27, 2024Observed: -2.41 ft at 11:40PM Apr 27, 2024Observed: -2.38 ft at 11:50PM Apr 27, 2024Observed: -2.4 ft at 12:00AM Apr 28, 2024Observed: -2.4 ft at 12:10AM Apr 28, 2024Observed: -2.38 ft at 12:20AM Apr 28, 2024Observed: -2.39 ft at 12:30AM Apr 28, 2024Observed: -2.41 ft at 12:40AM Apr 28, 2024Observed: -2.4 ft at 12:50AM Apr 28, 2024Observed: -2.4 ft at 1:00AM Apr 28, 2024Observed: -2.41 ft at 1:10AM Apr 28, 2024Observed: -2.46 ft at 1:20AM Apr 28, 2024Observed: -2.49 ft at 1:30AM Apr 28, 2024Observed: -2.49 ft at 1:40AM Apr 28, 2024Observed: -2.56 ft at 1:50AM Apr 28, 2024Observed: -2.58 ft at 2:00AM Apr 28, 2024Observed: -2.53 ft at 2:10AM Apr 28, 2024Observed: -2.55 ft at 2:20AM Apr 28, 2024Observed: -2.54 ft at 2:30AM Apr 28, 2024Observed: -2.56 ft at 2:40AM Apr 28, 2024Observed: -2.59 ft at 2:50AM Apr 28, 2024Observed: -2.59 ft at 3:00AM Apr 28, 2024Observed: -2.6 ft at 3:10AM Apr 28, 2024Observed: -2.65 ft at 3:20AM Apr 28, 2024Observed: -2.68 ft at 3:30AM Apr 28, 2024Observed: -2.69 ft at 3:40AM Apr 28, 2024Observed: -2.69 ft at 3:50AM Apr 28, 2024Observed: -2.7 ft at 4:00AM Apr 28, 2024Observed: -2.68 ft at 4:10AM Apr 28, 2024Observed: -2.68 ft at 4:20AM Apr 28, 2024Observed: -2.68 ft at 4:30AM Apr 28, 2024Observed: -2.71 ft at 4:40AM Apr 28, 2024Observed: -2.72 ft at 4:50AM Apr 28, 2024Observed: -2.71 ft at 5:00AM Apr 28, 2024Observed: -2.7 ft at 5:10AM Apr 28, 2024Observed: -2.7 ft at 5:20AM Apr 28, 2024Observed: -2.67 ft at 5:30AM Apr 28, 2024Observed: -2.64 ft at 5:40AM Apr 28, 2024Observed: -2.65 ft at 5:50AM Apr 28, 2024Observed: -2.64 ft at 6:00AM Apr 28, 2024Observed: -2.62 ft at 6:10AM Apr 28, 2024Observed: -2.61 ft at 6:20AM Apr 28, 2024Observed: -2.6 ft at 6:30AM Apr 28, 2024Observed: -2.59 ft at 6:40AM Apr 28, 2024Observed: -2.59 ft at 6:50AM Apr 28, 2024Observed: -2.6 ft at 7:00AM Apr 28, 2024Observed: -2.63 ft at 7:10AM Apr 28, 2024Observed: -2.6 ft at 7:20AM Apr 28, 2024Observed: -2.58 ft at 7:30AM Apr 28, 2024Observed: -2.59 ft at 7:40AM Apr 28, 2024Observed: -2.55 ft at 7:50AM Apr 28, 2024Observed: -2.54 ft at 8:00AM Apr 28, 2024Observed: -2.53 ft at 8:10AM Apr 28, 2024Observed: -2.53 ft at 8:20AM Apr 28, 2024Observed: -2.54 ft at 8:30AM Apr 28, 2024Observed: -2.52 ft at 8:40AM Apr 28, 2024Observed: -2.52 ft at 8:50AM Apr 28, 2024Observed: -2.52 ft at 9:00AM Apr 28, 2024Observed: -2.5 ft at 9:10AM Apr 28, 2024Observed: -2.49 ft at 9:20AM Apr 28, 2024Observed: -2.49 ft at 9:30AM Apr 28, 2024Observed: -2.46 ft at 9:40AM Apr 28, 2024Observed: -2.46 ft at 9:50AM Apr 28, 2024Observed: -2.44 ft at 10:00AM Apr 28, 2024Observed: -2.45 ft at 10:10AM Apr 28, 2024Observed: -2.44 ft at 10:20AM Apr 28, 2024Observed: -2.42 ft at 10:30AM Apr 28, 2024Observed: -2.42 ft at 10:40AM Apr 28, 2024Observed: -2.41 ft at 10:50AM Apr 28, 2024Observed: -2.4 ft at 11:00AM Apr 28, 2024Observed: -2.4 ft at 11:10AM Apr 28, 2024Observed: -2.43 ft at 11:20AM Apr 28, 2024Observed: -2.42 ft at 11:30AM Apr 28, 2024Observed: -2.39 ft at 11:40AM Apr 28, 2024Observed: -2.37 ft at 11:50AM Apr 28, 2024Observed: -2.35 ft at 12:00PM Apr 28, 2024Observed: -2.33 ft at 12:10PM Apr 28, 2024Observed: -2.35 ft at 12:20PM Apr 28, 2024Observed: -2.35 ft at 12:30PM Apr 28, 2024Observed: -2.37 ft at 12:40PM Apr 28, 2024Observed: -2.4 ft at 12:50PM Apr 28, 2024Observed: -2.34 ft at 1:00PM Apr 28, 2024Observed: -2.36 ft at 1:10PM Apr 28, 2024Observed: -2.36 ft at 1:20PM Apr 28, 2024Observed: -2.3 ft at 1:30PM Apr 28, 2024Observed: -2.34 ft at 1:40PM Apr 28, 2024Observed: -2.3 ft at 1:50PM Apr 28, 2024Observed: -2.33 ft at 2:00PM Apr 28, 2024Observed: -2.31 ft at 2:10PM Apr 28, 2024Observed: -2.32 ft at 2:20PM Apr 28, 2024Observed: -2.3 ft at 2:30PM Apr 28, 2024Observed: -2.32 ft at 2:40PM Apr 28, 2024Observed: -2.31 ft at 2:50PM Apr 28, 2024Observed: -2.31 ft at 3:00PM Apr 28, 2024Observed: -2.36 ft at 3:10PM Apr 28, 2024Observed: -2.34 ft at 3:20PM Apr 28, 2024Observed: -2.3 ft at 3:30PM Apr 28, 2024Observed: -2.34 ft at 3:40PM Apr 28, 2024Observed: -2.33 ft at 3:50PM Apr 28, 2024Observed: -2.29 ft at 4:00PM Apr 28, 2024Observed: -2.33 ft at 4:10PM Apr 28, 2024Observed: -2.36 ft at 4:20PM Apr 28, 2024Observed: -2.34 ft at 4:30PM Apr 28, 2024Observed: -2.37 ft at 4:40PM Apr 28, 2024Observed: -2.32 ft at 4:50PM Apr 28, 2024Observed: -2.35 ft at 5:00PM Apr 28, 2024Observed: -2.34 ft at 5:10PM Apr 28, 2024Observed: -2.32 ft at 5:20PM Apr 28, 2024Observed: -2.34 ft at 5:30PM Apr 28, 2024Observed: -2.34 ft at 5:40PM Apr 28, 2024Observed: -2.36 ft at 5:50PM Apr 28, 2024Observed: -2.36 ft at 6:00PM Apr 28, 2024Observed: -2.39 ft at 6:10PM Apr 28, 2024Observed: -2.38 ft at 6:20PM Apr 28, 2024Observed: -2.39 ft at 6:30PM Apr 28, 2024Observed: -2.39 ft at 6:40PM Apr 28, 2024Observed: -2.41 ft at 6:50PM Apr 28, 2024Observed: -2.38 ft at 7:00PM Apr 28, 2024Observed: -2.48 ft at 7:10PM Apr 28, 2024Observed: -2.48 ft at 7:20PM Apr 28, 2024Observed: -2.48 ft at 7:30PM Apr 28, 2024Observed: -2.46 ft at 7:40PM Apr 28, 2024Observed: -2.49 ft at 7:50PM Apr 28, 2024Observed: -2.46 ft at 8:00PM Apr 28, 2024Observed: -2.48 ft at 8:10PM Apr 28, 2024Observed: -2.5 ft at 8:20PM Apr 28, 2024Observed: -2.51 ft at 8:30PM Apr 28, 2024Observed: -2.52 ft at 8:40PM Apr 28, 2024Observed: -2.5 ft at 8:50PM Apr 28, 2024Observed: -2.51 ft at 9:00PM Apr 28, 2024Observed: -2.53 ft at 9:10PM Apr 28, 2024Observed: -2.5 ft at 9:20PM Apr 28, 2024Observed: -2.54 ft at 9:30PM Apr 28, 2024Observed: -2.55 ft at 9:40PM Apr 28, 2024Observed: -2.53 ft at 9:50PM Apr 28, 2024Observed: -2.56 ft at 10:00PM Apr 28, 2024Observed: -2.58 ft at 10:10PM Apr 28, 2024Observed: -2.59 ft at 10:20PM Apr 28, 2024Observed: -2.61 ft at 10:30PM Apr 28, 2024Observed: -2.64 ft at 10:40PM Apr 28, 2024Observed: -2.65 ft at 10:50PM Apr 28, 2024Observed: -2.65 ft at 11:00PM Apr 28, 2024Observed: -2.67 ft at 11:10PM Apr 28, 2024Observed: -2.69 ft at 11:20PM Apr 28, 2024Observed: -2.71 ft at 11:30PM Apr 28, 2024Observed: -2.76 ft at 11:40PM Apr 28, 2024Observed: -2.76 ft at 11:50PM Apr 28, 2024Observed: -2.79 ft at 12:00AM Apr 29, 2024Observed: -2.81 ft at 12:10AM Apr 29, 2024Observed: -2.82 ft at 12:20AM Apr 29, 2024Observed: -2.83 ft at 12:30AM Apr 29, 2024Observed: -2.87 ft at 12:40AM Apr 29, 2024Observed: -2.9 ft at 12:50AM Apr 29, 2024Observed: -2.92 ft at 1:00AM Apr 29, 2024Observed: -2.93 ft at 1:10AM Apr 29, 2024Observed: -2.95 ft at 1:20AM Apr 29, 2024Observed: -2.96 ft at 1:30AM Apr 29, 2024Observed: -2.96 ft at 1:40AM Apr 29, 2024Observed: -2.98 ft at 1:50AM Apr 29, 2024Observed: -2.99 ft at 2:00AM Apr 29, 2024Observed: -2.96 ft at 2:10AM Apr 29, 2024Observed: -2.94 ft at 2:20AM Apr 29, 2024Observed: -2.94 ft at 2:30AM Apr 29, 2024Observed: -2.92 ft at 2:40AM Apr 29, 2024Observed: -2.9 ft at 2:50AM Apr 29, 2024Observed: -2.92 ft at 3:00AM Apr 29, 2024Observed: -2.92 ft at 3:10AM Apr 29, 2024Observed: -2.92 ft at 3:20AM Apr 29, 2024Observed: -2.9 ft at 3:30AM Apr 29, 2024Observed: -2.9 ft at 3:40AM Apr 29, 2024Observed: -2.89 ft at 3:50AM Apr 29, 2024Observed: -2.87 ft at 4:00AM Apr 29, 2024Observed: -2.85 ft at 4:10AM Apr 29, 2024Observed: -2.85 ft at 4:20AM Apr 29, 2024Observed: -2.82 ft at 4:30AM Apr 29, 2024Observed: -2.8 ft at 4:40AM Apr 29, 2024Observed: -2.79 ft at 4:50AM Apr 29, 2024Observed: -2.77 ft at 5:00AM Apr 29, 2024Observed: -2.74 ft at 5:10AM Apr 29, 2024Observed: -2.72 ft at 5:20AM Apr 29, 2024Observed: -2.69 ft at 5:30AM Apr 29, 2024Observed: -2.67 ft at 5:40AM Apr 29, 2024Observed: -2.65 ft at 5:50AM Apr 29, 2024Observed: -2.64 ft at 6:00AM Apr 29, 2024Observed: -2.6 ft at 6:10AM Apr 29, 2024Observed: -2.58 ft at 6:20AM Apr 29, 2024Observed: -2.55 ft at 6:30AM Apr 29, 2024Observed: -2.51 ft at 6:40AM Apr 29, 2024Observed: -2.48 ft at 6:50AM Apr 29, 2024Observed: -2.46 ft at 7:00AM Apr 29, 2024Observed: -2.43 ft at 7:10AM Apr 29, 2024Observed: -2.41 ft at 7:20AM Apr 29, 2024Observed: -2.38 ft at 7:30AM Apr 29, 2024Observed: -2.38 ft at 7:40AM Apr 29, 2024Observed: -2.35 ft at 7:50AM Apr 29, 2024Observed: -2.29 ft at 8:00AM Apr 29, 2024Observed: -2.3 ft at 8:10AM Apr 29, 2024Observed: -2.25 ft at 8:20AM Apr 29, 2024Observed: -2.22 ft at 8:30AM Apr 29, 2024Observed: -2.2 ft at 8:40AM Apr 29, 2024Observed: -2.16 ft at 8:50AM Apr 29, 2024Observed: -2.15 ft at 9:00AM Apr 29, 2024Observed: -2.2 ft at 9:10AM Apr 29, 2024Observed: -2.16 ft at 9:20AM Apr 29, 2024Observed: -2.11 ft at 9:30AM Apr 29, 2024Observed: -2.09 ft at 9:40AM Apr 29, 2024Observed: -2.03 ft at 9:50AM Apr 29, 2024Observed: -1.98 ft at 10:00AM Apr 29, 2024Observed: -1.96 ft at 10:10AM Apr 29, 2024Observed: -1.95 ft at 10:20AM Apr 29, 2024Observed: -1.92 ft at 10:30AM Apr 29, 2024Observed: -1.89 ft at 10:40AM Apr 29, 2024Observed: -1.86 ft at 10:50AM Apr 29, 2024Observed: -1.83 ft at 11:00AM Apr 29, 2024Observed: -1.79 ft at 11:10AM Apr 29, 2024Observed: -1.77 ft at 11:20AM Apr 29, 2024Observed: -1.74 ft at 11:30AM Apr 29, 2024Observed: -1.7 ft at 11:40AM Apr 29, 2024Observed: -1.69 ft at 11:50AM Apr 29, 2024Observed: -1.69 ft at 12:00PM Apr 29, 2024Observed: -1.68 ft at 12:10PM Apr 29, 2024Observed: -1.7 ft at 12:20PM Apr 29, 2024Observed: -1.73 ft at 12:30PM Apr 29, 2024Observed: -1.67 ft at 12:40PM Apr 29, 2024Observed: -1.68 ft at 12:50PM Apr 29, 2024Observed: -1.65 ft at 1:00PM Apr 29, 2024Observed: -1.63 ft at 1:10PM Apr 29, 2024Observed: -1.61 ft at 1:20PM Apr 29, 2024Observed: -1.62 ft at 1:30PM Apr 29, 2024Observed: -1.62 ft at 1:40PM Apr 29, 2024Observed: -1.6 ft at 1:50PM Apr 29, 2024Observed: -1.6 ft at 2:00PM Apr 29, 2024Observed: -1.59 ft at 2:10PM Apr 29, 2024Observed: -1.62 ft at 2:20PM Apr 29, 2024Observed: -1.62 ft at 2:30PM Apr 29, 2024Observed: -1.61 ft at 2:40PM Apr 29, 2024Observed: -1.59 ft at 2:50PM Apr 29, 2024Observed: -1.6 ft at 3:00PM Apr 29, 2024Observed: -1.59 ft at 3:10PM Apr 29, 2024Observed: -1.6 ft at 3:20PM Apr 29, 2024Observed: -1.58 ft at 3:30PM Apr 29, 2024Observed: -1.61 ft at 3:40PM Apr 29, 2024Observed: -1.59 ft at 3:50PM Apr 29, 2024Observed: -1.61 ft at 4:00PM Apr 29, 2024Observed: -1.64 ft at 4:10PM Apr 29, 2024Observed: -1.65 ft at 4:20PM Apr 29, 2024Observed: -1.64 ft at 4:30PM Apr 29, 2024Observed: -1.64 ft at 4:40PM Apr 29, 2024Observed: -1.62 ft at 4:50PM Apr 29, 2024Observed: -1.62 ft at 5:00PM Apr 29, 2024Observed: -1.63 ft at 5:10PM Apr 29, 2024Observed: -1.65 ft at 5:20PM Apr 29, 2024Observed: -1.65 ft at 5:30PM Apr 29, 2024Observed: -1.63 ft at 5:40PM Apr 29, 2024Observed: -1.65 ft at 5:50PM Apr 29, 2024Observed: -1.65 ft at 6:00PM Apr 29, 2024Observed: -1.64 ft at 6:10PM Apr 29, 2024Observed: -1.65 ft at 6:20PM Apr 29, 2024Observed: -1.65 ft at 6:30PM Apr 29, 2024Observed: -1.65 ft at 6:40PM Apr 29, 2024Observed: -1.65 ft at 6:50PM Apr 29, 2024Observed: -1.67 ft at 7:00PM Apr 29, 2024Observed: -1.68 ft at 7:10PM Apr 29, 2024Observed: -1.68 ft at 7:20PM Apr 29, 2024Observed: -1.67 ft at 7:30PM Apr 29, 2024Observed: -1.68 ft at 7:40PM Apr 29, 2024Observed: -1.66 ft at 7:50PM Apr 29, 2024Observed: -1.65 ft at 8:00PM Apr 29, 2024Observed: -1.68 ft at 8:10PM Apr 29, 2024Observed: -1.68 ft at 8:20PM Apr 29, 2024Observed: -1.68 ft at 8:30PM Apr 29, 2024Observed: -1.69 ft at 8:40PM Apr 29, 2024Observed: -1.67 ft at 8:50PM Apr 29, 2024Observed: -1.68 ft at 9:00PM Apr 29, 2024Observed: -1.66 ft at 9:10PM Apr 29, 2024Observed: -1.68 ft at 9:20PM Apr 29, 2024Observed: -1.67 ft at 9:30PM Apr 29, 2024Observed: -1.68 ft at 9:40PM Apr 29, 2024Observed: -1.69 ft at 9:50PM Apr 29, 2024Observed: -1.68 ft at 10:00PM Apr 29, 2024Observed: -1.69 ft at 10:10PM Apr 29, 2024Observed: -1.72 ft at 10:20PM Apr 29, 2024Observed: -1.74 ft at 10:30PM Apr 29, 2024Observed: -1.74 ft at 10:40PM Apr 29, 2024Observed: -1.75 ft at 10:50PM Apr 29, 2024Observed: -1.74 ft at 11:00PM Apr 29, 2024Observed: -1.74 ft at 11:10PM Apr 29, 2024Observed: -1.74 ft at 11:20PM Apr 29, 2024Observed: -1.74 ft at 11:30PM Apr 29, 2024Observed: -1.75 ft at 11:40PM Apr 29, 2024Observed: -1.73 ft at 11:50PM Apr 29, 2024Observed: -1.75 ft at 12:00AM Apr 30, 2024Observed: -1.76 ft at 12:10AM Apr 30, 2024Observed: -1.76 ft at 12:20AM Apr 30, 2024Observed: -1.78 ft at 12:30AM Apr 30, 2024Observed: -1.78 ft at 12:40AM Apr 30, 2024Observed: -1.78 ft at 12:50AM Apr 30, 2024Observed: -1.79 ft at 1:00AM Apr 30, 2024Observed: -1.77 ft at 1:10AM Apr 30, 2024Observed: -1.77 ft at 1:20AM Apr 30, 2024Observed: -1.79 ft at 1:30AM Apr 30, 2024Observed: -1.78 ft at 1:40AM Apr 30, 2024Observed: -1.79 ft at 1:50AM Apr 30, 2024Observed: -1.8 ft at 2:00AM Apr 30, 2024Observed: -1.85 ft at 2:10AM Apr 30, 2024Observed: -1.84 ft at 2:20AM Apr 30, 2024Observed: -1.86 ft at 2:30AM Apr 30, 2024Observed: -1.86 ft at 2:40AM Apr 30, 2024Observed: -1.85 ft at 2:50AM Apr 30, 2024Observed: -1.86 ft at 3:00AM Apr 30, 2024Observed: -1.85 ft at 3:10AM Apr 30, 2024Observed: -1.89 ft at 3:20AM Apr 30, 2024Observed: -1.89 ft at 3:30AM Apr 30, 2024Observed: -1.9 ft at 3:40AM Apr 30, 2024Observed: -1.91 ft at 3:50AM Apr 30, 2024Observed: -1.9 ft at 4:00AM Apr 30, 2024Observed: -1.9 ft at 4:10AM Apr 30, 2024Observed: -1.92 ft at 4:20AM Apr 30, 2024Observed: -1.91 ft at 4:30AM Apr 30, 2024Observed: -1.92 ft at 4:40AM Apr 30, 2024Observed: -1.92 ft at 4:50AM Apr 30, 2024Observed: -1.95 ft at 5:00AM Apr 30, 2024Observed: -1.99 ft at 5:10AM Apr 30, 2024Observed: -1.97 ft at 5:20AM Apr 30, 2024Observed: -1.96 ft at 5:30AM Apr 30, 2024Observed: -2.01 ft at 5:40AM Apr 30, 2024Observed: -1.97 ft at 5:50AM Apr 30, 2024Observed: -1.97 ft at 6:00AM Apr 30, 2024Observed: -1.99 ft at 6:10AM Apr 30, 2024Observed: -1.99 ft at 6:20AM Apr 30, 2024Observed: -2 ft at 6:30AM Apr 30, 2024Observed: -2 ft at 6:40AM Apr 30, 2024Observed: -2.01 ft at 6:50AM Apr 30, 2024Observed: -2.02 ft at 7:00AM Apr 30, 2024Observed: -2.06 ft at 7:10AM Apr 30, 2024Observed: -2.08 ft at 7:20AM Apr 30, 2024Observed: -2.07 ft at 7:30AM Apr 30, 2024Observed: -2.06 ft at 7:40AM Apr 30, 2024Observed: -2.07 ft at 7:50AM Apr 30, 2024Observed: -2.06 ft at 8:00AM Apr 30, 2024Observed: -2.07 ft at 8:10AM Apr 30, 2024Observed: -2.07 ft at 8:20AM Apr 30, 2024Observed: -2.08 ft at 8:30AM Apr 30, 2024Observed: -2.09 ft at 8:40AM Apr 30, 2024Observed: -2.09 ft at 8:50AM Apr 30, 2024Observed: -2.09 ft at 9:00AM Apr 30, 2024Observed: -2.12 ft at 9:10AM Apr 30, 2024Observed: -2.12 ft at 9:20AM Apr 30, 2024Observed: -2.15 ft at 9:30AM Apr 30, 2024Observed: -2.18 ft at 9:40AM Apr 30, 2024Observed: -2.15 ft at 9:50AM Apr 30, 2024Observed: -2.15 ft at 10:00AM Apr 30, 2024Observed: -2.19 ft at 10:10AM Apr 30, 2024Observed: -2.16 ft at 10:20AM Apr 30, 2024Observed: -2.17 ft at 10:30AM Apr 30, 2024Observed: -2.21 ft at 10:40AM Apr 30, 2024Observed: -2.2 ft at 10:50AM Apr 30, 2024Observed: -2.2 ft at 11:00AM Apr 30, 2024Observed: -2.22 ft at 11:10AM Apr 30, 2024Observed: -2.23 ft at 11:20AM Apr 30, 2024Observed: -2.22 ft at 11:30AM Apr 30, 2024Observed: -2.25 ft at 11:40AM Apr 30, 2024Observed: -2.22 ft at 11:50AM Apr 30, 2024Observed: -2.23 ft at 12:00PM Apr 30, 2024Observed: -2.23 ft at 12:10PM Apr 30, 2024Observed: -2.22 ft at 12:20PM Apr 30, 2024Observed: -2.25 ft at 12:30PM Apr 30, 2024Observed: -2.26 ft at 12:40PM Apr 30, 2024Observed: -2.25 ft at 12:50PM Apr 30, 2024Observed: -2.3 ft at 1:00PM Apr 30, 2024Observed: -2.28 ft at 1:10PM Apr 30, 2024Observed: -2.31 ft at 1:20PM Apr 30, 2024Observed: -2.28 ft at 1:30PM Apr 30, 2024Observed: -2.31 ft at 1:40PM Apr 30, 2024Observed: -2.29 ft at 1:50PM Apr 30, 2024Observed: -2.28 ft at 2:00PM Apr 30, 2024Observed: -2.3 ft at 2:10PM Apr 30, 2024Observed: -2.33 ft at 2:20PM Apr 30, 2024Observed: -2.33 ft at 2:30PM Apr 30, 2024Observed: -2.32 ft at 2:40PM Apr 30, 2024Observed: -2.35 ft at 2:50PM Apr 30, 2024Observed: -2.37 ft at 3:00PM Apr 30, 2024Observed: -2.38 ft at 3:10PM Apr 30, 2024Observed: -2.41 ft at 3:20PM Apr 30, 2024Observed: -2.4 ft at 3:30PM Apr 30, 2024Observed: -2.38 ft at 3:40PM Apr 30, 2024Observed: -2.4 ft at 3:50PM Apr 30, 2024Observed: -2.38 ft at 4:00PM Apr 30, 2024Observed: -2.4 ft at 4:10PM Apr 30, 2024Observed: -2.39 ft at 4:20PM Apr 30, 2024Observed: -2.43 ft at 4:30PM Apr 30, 2024Observed: -2.43 ft at 4:40PM Apr 30, 2024Observed: -2.4 ft at 4:50PM Apr 30, 2024Observed: -2.45 ft at 5:00PM Apr 30, 2024Observed: -2.45 ft at 5:10PM Apr 30, 2024Observed: -2.46 ft at 5:20PM Apr 30, 2024Observed: -2.49 ft at 5:30PM Apr 30, 2024Observed: -2.44 ft at 5:40PM Apr 30, 2024Observed: -2.42 ft at 5:50PM Apr 30, 2024Observed: -2.41 ft at 6:00PM Apr 30, 2024Observed: -2.4 ft at 6:10PM Apr 30, 2024Observed: -2.41 ft at 6:20PM Apr 30, 2024Observed: -2.4 ft at 6:30PM Apr 30, 2024Observed: -2.43 ft at 6:40PM Apr 30, 2024Observed: -2.39 ft at 6:50PM Apr 30, 2024Observed: -2.38 ft at 7:00PM Apr 30, 2024Observed: -2.39 ft at 7:10PM Apr 30, 2024Observed: -2.36 ft at 7:20PM Apr 30, 2024Observed: -2.38 ft at 7:30PM Apr 30, 2024Observed: -2.37 ft at 7:40PM Apr 30, 2024Observed: -2.36 ft at 7:50PM Apr 30, 2024Observed: -2.34 ft at 8:00PM Apr 30, 2024Observed: -2.37 ft at 8:10PM Apr 30, 2024Observed: -2.35 ft at 8:20PM Apr 30, 2024Observed: -2.35 ft at 8:30PM Apr 30, 2024Observed: -2.35 ft at 8:40PM Apr 30, 2024Observed: -2.33 ft at 8:50PM Apr 30, 2024Observed: -2.33 ft at 9:00PM Apr 30, 2024Observed: -2.33 ft at 9:10PM Apr 30, 2024Observed: -2.31 ft at 9:20PM Apr 30, 2024Observed: -2.34 ft at 9:30PM Apr 30, 2024Observed: -2.34 ft at 9:40PM Apr 30, 2024Observed: -2.33 ft at 9:50PM Apr 30, 2024Observed: -2.35 ft at 10:00PM Apr 30, 2024Observed: -2.32 ft at 10:10PM Apr 30, 2024Observed: -2.33 ft at 10:20PM Apr 30, 2024Observed: -2.33 ft at 10:30PM Apr 30, 2024Observed: -2.32 ft at 10:40PM Apr 30, 2024Observed: -2.32 ft at 10:50PM Apr 30, 2024Observed: -2.33 ft at 11:00PM Apr 30, 2024Observed: -2.33 ft at 11:10PM Apr 30, 2024Observed: -2.33 ft at 11:20PM Apr 30, 2024Observed: -2.33 ft at 11:30PM Apr 30, 2024Observed: -2.32 ft at 11:40PM Apr 30, 2024Observed: -2.38 ft at 11:50PM Apr 30, 2024Observed: -2.37 ft at 12:00AM May 01, 2024Observed: -2.36 ft at 12:10AM May 01, 2024Observed: -2.37 ft at 12:20AM May 01, 2024Observed: -2.33 ft at 12:30AM May 01, 2024Observed: -2.31 ft at 12:40AM May 01, 2024Observed: -2.31 ft at 12:50AM May 01, 2024Observed: -2.32 ft at 1:00AM May 01, 2024Observed: -2.34 ft at 1:10AM May 01, 2024Observed: -2.32 ft at 1:20AM May 01, 2024Observed: -2.31 ft at 1:30AM May 01, 2024Observed: -2.32 ft at 1:40AM May 01, 2024Observed: -2.31 ft at 1:50AM May 01, 2024Observed: -2.3 ft at 2:00AM May 01, 2024Observed: -2.31 ft at 2:10AM May 01, 2024Observed: -2.31 ft at 2:20AM May 01, 2024Observed: -2.3 ft at 2:30AM May 01, 2024Observed: -2.3 ft at 2:40AM May 01, 2024Observed: -2.29 ft at 2:50AM May 01, 2024Observed: -2.28 ft at 3:00AM May 01, 2024Observed: -2.28 ft at 3:10AM May 01, 2024Observed: -2.32 ft at 3:20AM May 01, 2024Observed: -2.33 ft at 3:30AM May 01, 2024Observed: -2.31 ft at 3:40AM May 01, 2024Observed: -2.31 ft at 3:50AM May 01, 2024Observed: -2.3 ft at 4:00AM May 01, 2024Observed: -2.28 ft at 4:10AM May 01, 2024Observed: -2.28 ft at 4:20AM May 01, 2024Observed: -2.29 ft at 4:30AM May 01, 2024Observed: -2.3 ft at 4:40AM May 01, 2024Observed: -2.3 ft at 4:50AM May 01, 2024Observed: -2.3 ft at 5:00AM May 01, 2024Observed: -2.31 ft at 5:10AM May 01, 2024Observed: -2.31 ft at 5:20AM May 01, 2024Observed: -2.3 ft at 5:30AM May 01, 2024Observed: -2.35 ft at 5:40AM May 01, 2024Observed: -2.36 ft at 5:50AM May 01, 2024Observed: -2.31 ft at 6:00AM May 01, 2024Observed: -2.28 ft at 6:10AM May 01, 2024Observed: -2.25 ft at 6:20AM May 01, 2024Observed: -2.22 ft at 6:30AM May 01, 2024Observed: -2.19 ft at 6:40AM May 01, 2024Observed: -2.2 ft at 6:50AM May 01, 2024Observed: -2.22 ft at 7:00AM May 01, 2024Observed: -2.19 ft at 7:10AM May 01, 2024Observed: -2.16 ft at 7:20AM May 01, 2024Observed: -2.15 ft at 7:30AM May 01, 2024Observed: -2.14 ft at 7:40AM May 01, 2024Observed: -2.12 ft at 7:50AM May 01, 2024Observed: -2.11 ft at 8:00AM May 01, 2024Observed: -2.1 ft at 8:10AM May 01, 2024Observed: -2.11 ft at 8:20AM May 01, 2024Observed: -2.07 ft at 8:30AM May 01, 2024Observed: -2.06 ft at 8:40AM May 01, 2024Observed: -2.07 ft at 8:50AM May 01, 2024Observed: -2.05 ft at 9:00AM May 01, 2024Observed: -2.02 ft at 9:10AM May 01, 2024Observed: -2.11 ft at 9:20AM May 01, 2024Observed: -2.1 ft at 9:30AM May 01, 2024Observed: -2.08 ft at 9:40AM May 01, 2024Observed: -2.07 ft at 9:50AM May 01, 2024Observed: -2.05 ft at 10:00AM May 01, 2024Observed: -2.02 ft at 10:10AM May 01, 2024Observed: -2.01 ft at 10:20AM May 01, 2024Observed: -2 ft at 10:30AM May 01, 2024Observed: -2.04 ft at 10:40AM May 01, 2024Observed: -2.07 ft at 10:50AM May 01, 2024Observed: -2.05 ft at 11:00AM May 01, 2024Observed: -2.06 ft at 11:10AM May 01, 2024Observed: -2.05 ft at 11:20AM May 01, 2024Observed: -2 ft at 11:30AM May 01, 2024Observed: -2.01 ft at 11:40AM May 01, 2024Observed: -1.97 ft at 11:50AM May 01, 2024Observed: -1.95 ft at 12:00PM May 01, 2024Observed: -1.95 ft at 12:10PM May 01, 2024Observed: -1.96 ft at 12:20PM May 01, 2024Observed: -1.91 ft at 12:30PM May 01, 2024Observed: -1.93 ft at 12:40PM May 01, 2024Observed: -1.92 ft at 12:50PM May 01, 2024Observed: -1.87 ft at 1:00PM May 01, 2024Observed: -1.9 ft at 1:10PM May 01, 2024Observed: -1.89 ft at 1:20PM May 01, 2024Observed: -1.87 ft at 1:30PM May 01, 2024Observed: -1.86 ft at 1:40PM May 01, 2024Observed: -1.84 ft at 1:50PM May 01, 2024Observed: -1.83 ft at 2:00PM May 01, 2024Observed: -1.81 ft at 2:10PM May 01, 2024Observed: -1.82 ft at 2:20PM May 01, 2024Observed: -1.83 ft at 2:30PM May 01, 2024Observed: -1.82 ft at 2:40PM May 01, 2024Observed: -1.81 ft at 2:50PM May 01, 2024Observed: -1.82 ft at 3:00PM May 01, 2024Observed: -1.79 ft at 3:10PM May 01, 2024Observed: -1.8 ft at 3:20PM May 01, 2024Observed: -1.83 ft at 3:30PM May 01, 2024Observed: -1.84 ft at 3:40PM May 01, 2024Observed: -1.86 ft at 3:50PM May 01, 2024Observed: -1.82 ft at 4:00PM May 01, 2024Observed: -1.78 ft at 4:10PM May 01, 2024Observed: -1.77 ft at 4:20PM May 01, 2024Observed: -1.75 ft at 4:30PM May 01, 2024Observed: -1.76 ft at 4:40PM May 01, 2024Observed: -1.76 ft at 4:50PM May 01, 2024Observed: -1.76 ft at 5:00PM May 01, 2024Observed: -1.74 ft at 5:10PM May 01, 2024Observed: -1.72 ft at 5:20PM May 01, 2024Observed: -1.74 ft at 5:30PM May 01, 2024Observed: -1.7 ft at 5:40PM May 01, 2024Observed: -1.78 ft at 5:50PM May 01, 2024Observed: -1.79 ft at 6:00PM May 01, 2024Observed: -1.77 ft at 6:10PM May 01, 2024Observed: -1.78 ft at 6:20PM May 01, 2024Observed: -1.74 ft at 6:30PM May 01, 2024Observed: -1.71 ft at 6:40PM May 01, 2024Observed: -1.72 ft at 6:50PM May 01, 2024Observed: -1.69 ft at 7:00PM May 01, 2024Observed: -1.7 ft at 7:10PM May 01, 2024Observed: -1.72 ft at 7:20PM May 01, 2024Observed: -1.71 ft at 7:30PM May 01, 2024Observed: -1.71 ft at 7:40PM May 01, 2024Observed: -1.7 ft at 7:50PM May 01, 2024Observed: -1.69 ft at 8:00PM May 01, 2024Observed: -1.69 ft at 8:10PM May 01, 2024Observed: -1.68 ft at 8:20PM May 01, 2024Observed: -1.67 ft at 8:30PM May 01, 2024Observed: -1.65 ft at 8:40PM May 01, 2024Observed: -1.67 ft at 8:50PM May 01, 2024Observed: -1.64 ft at 9:00PM May 01, 2024Observed: -1.66 ft at 9:10PM May 01, 2024Observed: -1.66 ft at 9:20PM May 01, 2024Observed: -1.68 ft at 9:30PM May 01, 2024Observed: -1.68 ft at 9:40PM May 01, 2024Observed: -1.71 ft at 9:50PM May 01, 2024Observed: -1.73 ft at 10:00PM May 01, 2024Observed: -1.71 ft at 10:10PM May 01, 2024Observed: -1.72 ft at 10:20PM May 01, 2024Observed: -1.71 ft at 10:30PM May 01, 2024Observed: -1.71 ft at 10:40PM May 01, 2024Observed: -1.72 ft at 10:50PM May 01, 2024Observed: -1.73 ft at 11:00PM May 01, 2024Observed: -1.75 ft at 11:10PM May 01, 2024Observed: -1.78 ft at 11:20PM May 01, 2024Observed: -1.78 ft at 11:30PM May 01, 2024Observed: -1.78 ft at 11:40PM May 01, 2024Observed: -1.79 ft at 11:50PM May 01, 2024Observed: -1.79 ft at 12:00AM May 02, 2024Observed: -1.79 ft at 12:10AM May 02, 2024Observed: -1.8 ft at 12:20AM May 02, 2024Observed: -1.81 ft at 12:30AM May 02, 2024Observed: -1.81 ft at 12:40AM May 02, 2024Observed: -1.84 ft at 12:50AM May 02, 2024Observed: -1.83 ft at 1:00AM May 02, 2024Observed: -1.84 ft at 1:10AM May 02, 2024Observed: -1.86 ft at 1:20AM May 02, 2024Observed: -1.84 ft at 1:30AM May 02, 2024Observed: -1.84 ft at 1:40AM May 02, 2024Observed: -1.85 ft at 1:50AM May 02, 2024Observed: -1.86 ft at 2:00AM May 02, 2024Observed: -1.85 ft at 2:10AM May 02, 2024Observed: -1.86 ft at 2:20AM May 02, 2024Observed: -1.87 ft at 2:30AM May 02, 2024Observed: -1.87 ft at 2:40AM May 02, 2024Observed: -1.91 ft at 2:50AM May 02, 2024Observed: -1.94 ft at 3:00AM May 02, 2024Observed: -1.93 ft at 3:10AM May 02, 2024Observed: -1.93 ft at 3:20AM May 02, 2024Observed: -1.94 ft at 3:30AM May 02, 2024Observed: -1.92 ft at 3:40AM May 02, 2024Observed: -1.92 ft at 3:50AM May 02, 2024Observed: -1.94 ft at 4:00AM May 02, 2024Observed: -1.96 ft at 4:10AM May 02, 2024Observed: -1.96 ft at 4:20AM May 02, 2024Observed: -1.96 ft at 4:30AM May 02, 2024Observed: -1.97 ft at 4:40AM May 02, 2024Observed: -1.98 ft at 4:50AM May 02, 2024USGS--Water Resources of the United StatesCSWI2(plotting HGIRP) Graph Created (5:40AM May 2, 2024)ObservedLatest observed value: -1.98 ft at 4:50 AM CDT 2-May-2024. Flood Stage is 4 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Graphical forecasts are not available for the Chicago Sanitary and Ship Canal at Chicago (Western Ave). During times of high water, forecast crest information can be found in the text products.
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Upstream Gauge - at Chicago (Grand Ave) Upstream Gauge Downstream Gauge Downstream Gauge - at Stickney
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 4
Action Stage: 2
Low Stage (in feet): -4

Historic Crests
(1) 5.26 ft on 05/17/2020
(2) 4.10 ft on 06/30/1977
(3) 3.62 ft on 10/14/2017
(4) 3.07 ft on 06/15/2015
(5) 1.65 ft on 05/01/2019

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.26 ft on 05/17/2020
(2) 1.65 ft on 05/01/2019
(3) 3.62 ft on 10/14/2017
(4) 3.07 ft on 06/15/2015
(5) 4.10 ft on 06/30/1977

(P): Preliminary values subject to further review.

Low Water Records
(1) -3.90 ft on 06/25/2015

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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
7 Structures are threatened near the canal in the Bridgeport, Lower West Side, McKinley Park, and South Lawndale areas of Chicago. Structures are threatened near the South Branch Chicago River along Iron Street in the Bridgeport and McKinley Park areas of Chicago.
6 Structures are threatened near Ping Tom Park and in the Armour Square, Near South Side, and Lower West Side areas of Chicago.
4 The canal overflows low-lying banks in the Bridgeport, Lower West Side, McKinley Park, and South Lawndale areas of Chicago.
2 Low-lying sections of Ping Tom Park are inundated.
Low Water Impacts Collapse
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-4 Low water levels begin to impact shipping interests along the river.
About This Location Collapse

Latitude: 41.837190° N, Longitude: 87.685420° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 4 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 579.20 Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 579.48 Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available Chicago City Datum

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
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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