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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.



Hydrograph River at a Glance Download
North Branch Chicago River at Chicago (Pulaski Rd) Stage (ft)Flow (kcfs)Observed: 11.9 ft at 6:15AM Sep 20, 2023Observed: 11.9 ft at 6:30AM Sep 20, 2023Observed: 11.9 ft at 6:45AM Sep 20, 2023Observed: 11.9 ft at 7:00AM Sep 20, 2023Observed: 11.9 ft at 7:15AM Sep 20, 2023Observed: 11.9 ft at 7:30AM Sep 20, 2023Observed: 11.9 ft at 7:45AM Sep 20, 2023Observed: 11.89 ft at 8:00AM Sep 20, 2023Observed: 11.89 ft at 9:15AM Sep 20, 2023Observed: 11.89 ft at 9:30AM Sep 20, 2023Observed: 11.89 ft at 9:45AM Sep 20, 2023Observed: 11.88 ft at 10:00AM Sep 20, 2023Observed: 11.89 ft at 10:15AM Sep 20, 2023Observed: 11.89 ft at 10:30AM Sep 20, 2023Observed: 11.88 ft at 10:45AM Sep 20, 2023Observed: 11.88 ft at 11:00AM Sep 20, 2023Observed: 11.88 ft at 11:15AM Sep 20, 2023Observed: 11.87 ft at 11:30AM Sep 20, 2023Observed: 11.87 ft at 11:45AM Sep 20, 2023Observed: 11.87 ft at 12:00PM Sep 20, 2023Observed: 11.86 ft at 12:15PM Sep 20, 2023Observed: 11.86 ft at 12:30PM Sep 20, 2023Observed: 11.86 ft at 12:45PM Sep 20, 2023Observed: 11.86 ft at 1:00PM Sep 20, 2023Observed: 11.86 ft at 1:15PM Sep 20, 2023Observed: 11.86 ft at 1:30PM Sep 20, 2023Observed: 11.86 ft at 1:45PM Sep 20, 2023Observed: 11.85 ft at 2:00PM Sep 20, 2023Observed: 11.85 ft at 2:15PM Sep 20, 2023Observed: 11.85 ft at 2:30PM Sep 20, 2023Observed: 11.84 ft at 2:45PM Sep 20, 2023Observed: 11.84 ft at 3:00PM Sep 20, 2023Observed: 11.84 ft at 3:15PM Sep 20, 2023Observed: 11.84 ft at 3:30PM Sep 20, 2023Observed: 11.83 ft at 3:45PM Sep 20, 2023Observed: 11.83 ft at 4:00PM Sep 20, 2023Observed: 11.83 ft at 4:15PM Sep 20, 2023Observed: 11.83 ft at 4:30PM Sep 20, 2023Observed: 11.83 ft at 4:45PM Sep 20, 2023Observed: 11.83 ft at 5:00PM Sep 20, 2023Observed: 11.83 ft at 5:15PM Sep 20, 2023Observed: 11.83 ft at 5:30PM Sep 20, 2023Observed: 11.82 ft at 5:45PM Sep 20, 2023Observed: 11.82 ft at 6:00PM Sep 20, 2023Observed: 11.81 ft at 6:15PM Sep 20, 2023Observed: 11.81 ft at 6:30PM Sep 20, 2023Observed: 11.81 ft at 6:45PM Sep 20, 2023Observed: 11.81 ft at 7:00PM Sep 20, 2023Observed: 11.81 ft at 7:15PM Sep 20, 2023Observed: 11.8 ft at 7:30PM Sep 20, 2023Observed: 11.8 ft at 7:45PM Sep 20, 2023Observed: 11.8 ft at 8:00PM Sep 20, 2023Observed: 11.8 ft at 8:15PM Sep 20, 2023Observed: 11.79 ft at 8:30PM Sep 20, 2023Observed: 11.79 ft at 8:45PM Sep 20, 2023Observed: 11.79 ft at 9:00PM Sep 20, 2023Observed: 11.78 ft at 9:15PM Sep 20, 2023Observed: 11.78 ft at 9:30PM Sep 20, 2023Observed: 11.78 ft at 9:45PM Sep 20, 2023Observed: 11.78 ft at 10:00PM Sep 20, 2023Observed: 11.78 ft at 10:15PM Sep 20, 2023Observed: 11.78 ft at 10:30PM Sep 20, 2023Observed: 11.78 ft at 10:45PM Sep 20, 2023Observed: 11.78 ft at 11:00PM Sep 20, 2023Observed: 11.78 ft at 11:15PM Sep 20, 2023Observed: 11.78 ft at 11:30PM Sep 20, 2023Observed: 11.77 ft at 11:45PM Sep 20, 2023Observed: 11.78 ft at 12:00AM Sep 21, 2023Observed: 11.78 ft at 12:15AM Sep 21, 2023Observed: 11.78 ft at 12:30AM Sep 21, 2023Observed: 11.79 ft at 12:45AM Sep 21, 2023Observed: 11.79 ft at 1:00AM Sep 21, 2023Observed: 11.8 ft at 1:15AM Sep 21, 2023Observed: 11.79 ft at 1:30AM Sep 21, 2023Observed: 11.8 ft at 1:45AM Sep 21, 2023Observed: 11.8 ft at 2:00AM Sep 21, 2023Observed: 11.81 ft at 2:15AM Sep 21, 2023Observed: 11.81 ft at 2:30AM Sep 21, 2023Observed: 11.82 ft at 2:45AM Sep 21, 2023Observed: 11.82 ft at 3:00AM Sep 21, 2023Observed: 11.83 ft at 3:15AM Sep 21, 2023Observed: 11.83 ft at 3:30AM Sep 21, 2023Observed: 11.84 ft at 3:45AM Sep 21, 2023Observed: 11.84 ft at 4:00AM Sep 21, 2023Observed: 11.85 ft at 4:15AM Sep 21, 2023Observed: 11.85 ft at 4:30AM Sep 21, 2023Observed: 11.85 ft at 4:45AM Sep 21, 2023Observed: 11.86 ft at 5:00AM Sep 21, 2023Observed: 11.86 ft at 5:15AM Sep 21, 2023Observed: 11.86 ft at 5:30AM Sep 21, 2023Observed: 11.86 ft at 5:45AM Sep 21, 2023Observed: 11.86 ft at 6:00AM Sep 21, 2023Observed: 11.89 ft at 7:15AM Sep 21, 2023Observed: 11.89 ft at 7:30AM Sep 21, 2023Observed: 11.9 ft at 7:45AM Sep 21, 2023Observed: 11.89 ft at 8:00AM Sep 21, 2023Observed: 11.89 ft at 8:15AM Sep 21, 2023Observed: 11.9 ft at 8:30AM Sep 21, 2023Observed: 11.9 ft at 8:45AM Sep 21, 2023Observed: 11.9 ft at 9:00AM Sep 21, 2023Observed: 11.9 ft at 9:15AM Sep 21, 2023Highest Observation: 11.91 ft at 9:30AM Sep 21, 2023Observed: 11.9 ft at 9:45AM Sep 21, 2023Observed: 11.9 ft at 10:00AM Sep 21, 2023Observed: 11.9 ft at 10:15AM Sep 21, 2023Observed: 11.9 ft at 10:30AM Sep 21, 2023Observed: 11.9 ft at 10:45AM Sep 21, 2023Observed: 11.9 ft at 11:00AM Sep 21, 2023Highest Observation: 11.91 ft at 11:15AM Sep 21, 2023Highest Observation: 11.91 ft at 11:30AM Sep 21, 2023Highest Observation: 11.91 ft at 11:45AM Sep 21, 2023Highest Observation: 11.91 ft at 12:00PM Sep 21, 2023Highest Observation: 11.91 ft at 12:15PM Sep 21, 2023Highest Observation: 11.91 ft at 12:30PM Sep 21, 2023Highest Observation: 11.91 ft at 12:45PM Sep 21, 2023Highest Observation: 11.91 ft at 1:00PM Sep 21, 2023Highest Observation: 11.91 ft at 1:15PM Sep 21, 2023Highest Observation: 11.91 ft at 1:30PM Sep 21, 2023Highest Observation: 11.91 ft at 1:45PM Sep 21, 2023Highest Observation: 11.91 ft at 2:00PM Sep 21, 2023Highest Observation: 11.91 ft at 2:15PM Sep 21, 2023Observed: 11.9 ft at 2:30PM Sep 21, 2023Observed: 11.9 ft at 2:45PM Sep 21, 2023Highest Observation: 11.91 ft at 3:00PM Sep 21, 2023Observed: 11.9 ft at 3:15PM Sep 21, 2023Observed: 11.9 ft at 3:30PM Sep 21, 2023Observed: 11.9 ft at 3:45PM Sep 21, 2023Observed: 11.9 ft at 4:00PM Sep 21, 2023Observed: 11.9 ft at 4:15PM Sep 21, 2023Observed: 11.89 ft at 4:30PM Sep 21, 2023Observed: 11.9 ft at 4:45PM Sep 21, 2023Observed: 11.89 ft at 5:00PM Sep 21, 2023Observed: 11.89 ft at 5:15PM Sep 21, 2023Observed: 11.89 ft at 5:30PM Sep 21, 2023Observed: 11.89 ft at 5:45PM Sep 21, 2023Observed: 11.89 ft at 6:00PM Sep 21, 2023Observed: 11.89 ft at 6:15PM Sep 21, 2023Observed: 11.88 ft at 6:30PM Sep 21, 2023Observed: 11.88 ft at 6:45PM Sep 21, 2023Observed: 11.88 ft at 7:00PM Sep 21, 2023Observed: 11.88 ft at 7:15PM Sep 21, 2023Observed: 11.87 ft at 7:30PM Sep 21, 2023Observed: 11.87 ft at 7:45PM Sep 21, 2023Observed: 11.87 ft at 8:00PM Sep 21, 2023Observed: 11.87 ft at 8:15PM Sep 21, 2023Observed: 11.86 ft at 8:30PM Sep 21, 2023Observed: 11.86 ft at 8:45PM Sep 21, 2023Observed: 11.85 ft at 9:00PM Sep 21, 2023Observed: 11.85 ft at 9:15PM Sep 21, 2023Observed: 11.84 ft at 9:30PM Sep 21, 2023Observed: 11.84 ft at 9:45PM Sep 21, 2023Observed: 11.83 ft at 10:00PM Sep 21, 2023Observed: 11.83 ft at 10:15PM Sep 21, 2023Observed: 11.83 ft at 10:30PM Sep 21, 2023Observed: 11.82 ft at 10:45PM Sep 21, 2023Observed: 11.82 ft at 11:00PM Sep 21, 2023Observed: 11.82 ft at 11:15PM Sep 21, 2023Observed: 11.81 ft at 11:30PM Sep 21, 2023Observed: 11.8 ft at 11:45PM Sep 21, 2023Observed: 11.8 ft at 12:00AM Sep 22, 2023Observed: 11.8 ft at 12:15AM Sep 22, 2023Observed: 11.79 ft at 12:30AM Sep 22, 2023Observed: 11.78 ft at 12:45AM Sep 22, 2023Observed: 11.78 ft at 1:00AM Sep 22, 2023Observed: 11.78 ft at 1:15AM Sep 22, 2023Observed: 11.78 ft at 1:30AM Sep 22, 2023Observed: 11.77 ft at 1:45AM Sep 22, 2023Observed: 11.76 ft at 2:00AM Sep 22, 2023Observed: 11.76 ft at 2:15AM Sep 22, 2023Observed: 11.75 ft at 2:30AM Sep 22, 2023Observed: 11.75 ft at 2:45AM Sep 22, 2023Observed: 11.75 ft at 3:00AM Sep 22, 2023Observed: 11.75 ft at 3:15AM Sep 22, 2023Observed: 11.75 ft at 3:30AM Sep 22, 2023Observed: 11.74 ft at 3:45AM Sep 22, 2023Observed: 11.74 ft at 4:00AM Sep 22, 2023Observed: 11.73 ft at 4:15AM Sep 22, 2023Observed: 11.73 ft at 4:30AM Sep 22, 2023Observed: 11.73 ft at 4:45AM Sep 22, 2023Observed: 11.72 ft at 5:00AM Sep 22, 2023Observed: 11.72 ft at 5:15AM Sep 22, 2023Observed: 11.71 ft at 5:30AM Sep 22, 2023Observed: 11.71 ft at 5:45AM Sep 22, 2023Observed: 11.7 ft at 6:00AM Sep 22, 2023Observed: 11.7 ft at 6:15AM Sep 22, 2023Observed: 11.69 ft at 6:30AM Sep 22, 2023Observed: 11.69 ft at 6:45AM Sep 22, 2023Observed: 11.68 ft at 7:00AM Sep 22, 2023Observed: 11.68 ft at 7:15AM Sep 22, 2023Observed: 11.68 ft at 7:30AM Sep 22, 2023Observed: 11.67 ft at 7:45AM Sep 22, 2023Observed: 11.67 ft at 8:00AM Sep 22, 2023Observed: 11.67 ft at 8:15AM Sep 22, 2023Observed: 11.67 ft at 8:30AM Sep 22, 2023Observed: 11.66 ft at 8:45AM Sep 22, 2023Observed: 11.66 ft at 9:00AM Sep 22, 2023Observed: 11.65 ft at 9:15AM Sep 22, 2023Observed: 11.65 ft at 9:30AM Sep 22, 2023Observed: 11.65 ft at 9:45AM Sep 22, 2023Observed: 11.64 ft at 10:00AM Sep 22, 2023Observed: 11.64 ft at 10:15AM Sep 22, 2023Observed: 11.63 ft at 10:30AM Sep 22, 2023Observed: 11.63 ft at 10:45AM Sep 22, 2023Observed: 11.62 ft at 11:00AM Sep 22, 2023Observed: 11.62 ft at 11:15AM Sep 22, 2023Observed: 11.62 ft at 11:30AM Sep 22, 2023Observed: 11.62 ft at 11:45AM Sep 22, 2023Observed: 11.61 ft at 12:00PM Sep 22, 2023Observed: 11.61 ft at 12:15PM Sep 22, 2023Observed: 11.61 ft at 12:30PM Sep 22, 2023Observed: 11.6 ft at 12:45PM Sep 22, 2023Observed: 11.6 ft at 1:00PM Sep 22, 2023Observed: 11.59 ft at 1:15PM Sep 22, 2023Observed: 11.59 ft at 1:30PM Sep 22, 2023Observed: 11.59 ft at 1:45PM Sep 22, 2023Observed: 11.59 ft at 2:00PM Sep 22, 2023Observed: 11.59 ft at 2:15PM Sep 22, 2023Observed: 11.58 ft at 2:30PM Sep 22, 2023Observed: 11.57 ft at 2:45PM Sep 22, 2023Observed: 11.57 ft at 3:00PM Sep 22, 2023Observed: 11.57 ft at 3:15PM Sep 22, 2023Observed: 11.56 ft at 3:30PM Sep 22, 2023Observed: 11.56 ft at 3:45PM Sep 22, 2023Observed: 11.56 ft at 4:00PM Sep 22, 2023Observed: 11.56 ft at 4:15PM Sep 22, 2023Observed: 11.56 ft at 4:30PM Sep 22, 2023Observed: 11.55 ft at 4:45PM Sep 22, 2023Observed: 11.55 ft at 5:00PM Sep 22, 2023Observed: 11.54 ft at 5:15PM Sep 22, 2023Observed: 11.53 ft at 5:30PM Sep 22, 2023Observed: 11.53 ft at 5:45PM Sep 22, 2023Observed: 11.53 ft at 6:00PM Sep 22, 2023Observed: 11.52 ft at 6:15PM Sep 22, 2023Observed: 11.52 ft at 6:30PM Sep 22, 2023Observed: 11.51 ft at 6:45PM Sep 22, 2023Observed: 11.51 ft at 7:00PM Sep 22, 2023Observed: 11.51 ft at 7:15PM Sep 22, 2023Observed: 11.5 ft at 7:30PM Sep 22, 2023Observed: 11.5 ft at 7:45PM Sep 22, 2023Observed: 11.49 ft at 8:00PM Sep 22, 2023Observed: 11.49 ft at 8:15PM Sep 22, 2023Observed: 11.48 ft at 8:30PM Sep 22, 2023Observed: 11.48 ft at 8:45PM Sep 22, 2023Observed: 11.48 ft at 9:00PM Sep 22, 2023Observed: 11.47 ft at 9:15PM Sep 22, 2023Observed: 11.47 ft at 9:30PM Sep 22, 2023Observed: 11.46 ft at 9:45PM Sep 22, 2023Observed: 11.46 ft at 10:00PM Sep 22, 2023Observed: 11.46 ft at 10:15PM Sep 22, 2023Observed: 11.45 ft at 10:30PM Sep 22, 2023Observed: 11.45 ft at 10:45PM Sep 22, 2023Observed: 11.44 ft at 11:00PM Sep 22, 2023Observed: 11.42 ft at 12:15AM Sep 23, 2023Observed: 11.42 ft at 12:30AM Sep 23, 2023Observed: 11.41 ft at 12:45AM Sep 23, 2023Observed: 11.41 ft at 1:00AM Sep 23, 2023Observed: 11.4 ft at 1:15AM Sep 23, 2023Observed: 11.4 ft at 1:30AM Sep 23, 2023Observed: 11.4 ft at 1:45AM Sep 23, 2023Observed: 11.4 ft at 2:00AM Sep 23, 2023Observed: 11.39 ft at 2:15AM Sep 23, 2023Observed: 11.39 ft at 2:30AM Sep 23, 2023Observed: 11.39 ft at 2:45AM Sep 23, 2023Observed: 11.38 ft at 3:00AM Sep 23, 2023Observed: 11.38 ft at 3:15AM Sep 23, 2023Observed: 11.38 ft at 3:30AM Sep 23, 2023Observed: 11.37 ft at 3:45AM Sep 23, 2023Observed: 11.37 ft at 4:00AM Sep 23, 2023Observed: 11.37 ft at 4:15AM Sep 23, 2023Observed: 11.36 ft at 4:30AM Sep 23, 2023Observed: 11.36 ft at 4:45AM Sep 23, 2023Observed: 11.36 ft at 5:00AM Sep 23, 2023Observed: 11.36 ft at 5:15AM Sep 23, 2023Observed: 11.35 ft at 5:30AM Sep 23, 2023Observed: 11.34 ft at 5:45AM Sep 23, 2023Observed: 11.34 ft at 6:00AM Sep 23, 2023Observed: 11.34 ft at 6:15AM Sep 23, 2023Observed: 11.33 ft at 6:30AM Sep 23, 2023Observed: 11.33 ft at 6:45AM Sep 23, 2023Observed: 11.33 ft at 7:00AM Sep 23, 2023Observed: 11.33 ft at 7:15AM Sep 23, 2023Observed: 11.32 ft at 7:30AM Sep 23, 2023Observed: 11.32 ft at 7:45AM Sep 23, 2023Observed: 11.32 ft at 8:00AM Sep 23, 2023Observed: 11.32 ft at 8:15AM Sep 23, 2023Observed: 11.32 ft at 8:30AM Sep 23, 2023Observed: 11.31 ft at 8:45AM Sep 23, 2023Observed: 11.31 ft at 9:00AM Sep 23, 2023Observed: 11.3 ft at 9:15AM Sep 23, 2023Observed: 11.3 ft at 9:30AM Sep 23, 2023Observed: 11.3 ft at 9:45AM Sep 23, 2023Observed: 11.3 ft at 10:00AM Sep 23, 2023Observed: 11.3 ft at 10:15AM Sep 23, 2023Observed: 11.29 ft at 10:30AM Sep 23, 2023Observed: 11.29 ft at 10:45AM Sep 23, 2023Observed: 11.29 ft at 11:00AM Sep 23, 2023Observed: 11.29 ft at 11:15AM Sep 23, 2023Observed: 11.28 ft at 11:30AM Sep 23, 2023Observed: 11.28 ft at 11:45AM Sep 23, 2023Observed: 11.28 ft at 12:00PM Sep 23, 2023Observed: 11.28 ft at 1:15PM Sep 23, 2023Observed: 11.28 ft at 1:30PM Sep 23, 2023Observed: 11.27 ft at 1:45PM Sep 23, 2023Observed: 11.27 ft at 2:00PM Sep 23, 2023Observed: 11.27 ft at 2:15PM Sep 23, 2023Observed: 11.27 ft at 2:30PM Sep 23, 2023Observed: 11.27 ft at 2:45PM Sep 23, 2023Observed: 11.27 ft at 3:00PM Sep 23, 2023Observed: 11.27 ft at 3:15PM Sep 23, 2023Observed: 11.26 ft at 3:30PM Sep 23, 2023Observed: 11.26 ft at 3:45PM Sep 23, 2023Observed: 11.26 ft at 4:00PM Sep 23, 2023Observed: 11.26 ft at 4:15PM Sep 23, 2023Observed: 11.26 ft at 4:30PM Sep 23, 2023Observed: 11.26 ft at 4:45PM Sep 23, 2023Observed: 11.25 ft at 5:00PM Sep 23, 2023Observed: 11.25 ft at 5:15PM Sep 23, 2023Observed: 11.25 ft at 5:30PM Sep 23, 2023Observed: 11.25 ft at 5:45PM Sep 23, 2023Observed: 11.24 ft at 6:00PM Sep 23, 2023Observed: 11.23 ft at 6:15PM Sep 23, 2023Observed: 11.24 ft at 6:30PM Sep 23, 2023Observed: 11.23 ft at 6:45PM Sep 23, 2023Observed: 11.23 ft at 7:00PM Sep 23, 2023Observed: 11.24 ft at 7:15PM Sep 23, 2023Observed: 11.23 ft at 7:30PM Sep 23, 2023Observed: 11.23 ft at 7:45PM Sep 23, 2023Observed: 11.22 ft at 8:00PM Sep 23, 2023Observed: 11.22 ft at 8:15PM Sep 23, 2023Observed: 11.22 ft at 8:30PM Sep 23, 2023Observed: 11.22 ft at 8:45PM Sep 23, 2023Observed: 11.21 ft at 9:00PM Sep 23, 2023Observed: 11.21 ft at 9:15PM Sep 23, 2023Observed: 11.21 ft at 9:30PM Sep 23, 2023Observed: 11.2 ft at 9:45PM Sep 23, 2023Observed: 11.2 ft at 10:00PM Sep 23, 2023Observed: 11.2 ft at 10:15PM Sep 23, 2023Observed: 11.2 ft at 10:30PM Sep 23, 2023Observed: 11.2 ft at 10:45PM Sep 23, 2023Observed: 11.19 ft at 11:00PM Sep 23, 2023Observed: 11.18 ft at 11:15PM Sep 23, 2023Observed: 11.18 ft at 11:30PM Sep 23, 2023Observed: 11.18 ft at 11:45PM Sep 23, 2023Observed: 11.18 ft at 12:00AM Sep 24, 2023Observed: 11.18 ft at 12:15AM Sep 24, 2023Observed: 11.17 ft at 12:30AM Sep 24, 2023Observed: 11.17 ft at 12:45AM Sep 24, 2023Observed: 11.17 ft at 1:00AM Sep 24, 2023Observed: 11.16 ft at 1:15AM Sep 24, 2023Observed: 11.16 ft at 1:30AM Sep 24, 2023Observed: 11.16 ft at 1:45AM Sep 24, 2023Observed: 11.16 ft at 2:00AM Sep 24, 2023Observed: 11.15 ft at 2:15AM Sep 24, 2023Observed: 11.15 ft at 2:30AM Sep 24, 2023Observed: 11.15 ft at 2:45AM Sep 24, 2023Observed: 11.14 ft at 3:00AM Sep 24, 2023Observed: 11.14 ft at 3:15AM Sep 24, 2023Observed: 11.14 ft at 3:30AM Sep 24, 2023Observed: 11.14 ft at 3:45AM Sep 24, 2023Observed: 11.14 ft at 4:00AM Sep 24, 2023Observed: 11.13 ft at 4:15AM Sep 24, 2023Observed: 11.13 ft at 4:30AM Sep 24, 2023Observed: 11.13 ft at 4:45AM Sep 24, 2023Observed: 11.13 ft at 5:00AM Sep 24, 2023Observed: 11.12 ft at 5:15AM Sep 24, 2023Observed: 11.12 ft at 5:30AM Sep 24, 2023Observed: 11.12 ft at 5:45AM Sep 24, 2023Observed: 11.12 ft at 6:00AM Sep 24, 2023Observed: 11.12 ft at 6:15AM Sep 24, 2023Observed: 11.12 ft at 6:30AM Sep 24, 2023Observed: 11.12 ft at 6:45AM Sep 24, 2023Observed: 11.12 ft at 7:00AM Sep 24, 2023Observed: 11.12 ft at 7:15AM Sep 24, 2023Observed: 11.11 ft at 7:30AM Sep 24, 2023Observed: 11.11 ft at 7:45AM Sep 24, 2023Observed: 11.11 ft at 8:00AM Sep 24, 2023Observed: 11.1 ft at 8:15AM Sep 24, 2023Observed: 11.1 ft at 8:30AM Sep 24, 2023Observed: 11.1 ft at 8:45AM Sep 24, 2023Observed: 11.1 ft at 9:00AM Sep 24, 2023Observed: 11.09 ft at 10:15AM Sep 24, 2023Observed: 11.09 ft at 10:30AM Sep 24, 2023Observed: 11.09 ft at 10:45AM Sep 24, 2023Observed: 11.09 ft at 11:00AM Sep 24, 2023Observed: 11.09 ft at 11:15AM Sep 24, 2023Observed: 11.09 ft at 11:30AM Sep 24, 2023Observed: 11.09 ft at 11:45AM Sep 24, 2023Observed: 11.09 ft at 12:00PM Sep 24, 2023Observed: 11.08 ft at 12:15PM Sep 24, 2023Observed: 11.08 ft at 12:30PM Sep 24, 2023Observed: 11.08 ft at 12:45PM Sep 24, 2023Observed: 11.08 ft at 1:00PM Sep 24, 2023Observed: 11.08 ft at 1:15PM Sep 24, 2023Observed: 11.08 ft at 1:30PM Sep 24, 2023Observed: 11.08 ft at 1:45PM Sep 24, 2023Observed: 11.08 ft at 2:00PM Sep 24, 2023Observed: 11.08 ft at 2:15PM Sep 24, 2023Observed: 11.08 ft at 2:30PM Sep 24, 2023Observed: 11.08 ft at 2:45PM Sep 24, 2023Observed: 11.08 ft at 3:00PM Sep 24, 2023Observed: 11.08 ft at 3:15PM Sep 24, 2023Observed: 11.08 ft at 3:30PM Sep 24, 2023Observed: 11.09 ft at 3:45PM Sep 24, 2023Observed: 11.08 ft at 4:00PM Sep 24, 2023Observed: 11.08 ft at 4:15PM Sep 24, 2023Observed: 11.08 ft at 4:30PM Sep 24, 2023Observed: 11.09 ft at 4:45PM Sep 24, 2023Observed: 11.08 ft at 5:00PM Sep 24, 2023Observed: 11.09 ft at 5:15PM Sep 24, 2023Observed: 11.09 ft at 5:30PM Sep 24, 2023Observed: 11.08 ft at 5:45PM Sep 24, 2023Observed: 11.08 ft at 6:00PM Sep 24, 2023Observed: 11.09 ft at 6:15PM Sep 24, 2023Observed: 11.08 ft at 6:30PM Sep 24, 2023Observed: 11.08 ft at 6:45PM Sep 24, 2023Observed: 11.07 ft at 7:00PM Sep 24, 2023Observed: 11.08 ft at 7:15PM Sep 24, 2023Observed: 11.08 ft at 7:30PM Sep 24, 2023Observed: 11.07 ft at 7:45PM Sep 24, 2023Observed: 11.07 ft at 8:00PM Sep 24, 2023Observed: 11.06 ft at 8:15PM Sep 24, 2023Observed: 11.06 ft at 8:30PM Sep 24, 2023Observed: 11.06 ft at 8:45PM Sep 24, 2023Observed: 11.06 ft at 9:00PM Sep 24, 2023Observed: 11.06 ft at 9:15PM Sep 24, 2023Observed: 11.06 ft at 9:30PM Sep 24, 2023Observed: 11.06 ft at 9:45PM Sep 24, 2023Observed: 11.06 ft at 10:00PM Sep 24, 2023Observed: 11.05 ft at 10:15PM Sep 24, 2023Observed: 11.05 ft at 10:30PM Sep 24, 2023Observed: 11.05 ft at 10:45PM Sep 24, 2023Observed: 11.05 ft at 11:00PM Sep 24, 2023Observed: 11.05 ft at 11:15PM Sep 24, 2023Observed: 11.04 ft at 11:30PM Sep 24, 2023Observed: 11.04 ft at 11:45PM Sep 24, 2023Observed: 11.04 ft at 12:00AM Sep 25, 2023Observed: 11.03 ft at 12:15AM Sep 25, 2023Observed: 11.03 ft at 12:30AM Sep 25, 2023Observed: 11.03 ft at 12:45AM Sep 25, 2023Observed: 11.03 ft at 1:00AM Sep 25, 2023Observed: 11.03 ft at 1:15AM Sep 25, 2023Observed: 11.03 ft at 1:30AM Sep 25, 2023Observed: 11.02 ft at 1:45AM Sep 25, 2023Observed: 11.02 ft at 2:00AM Sep 25, 2023Observed: 11.02 ft at 2:15AM Sep 25, 2023Observed: 11.02 ft at 2:30AM Sep 25, 2023Observed: 11.02 ft at 2:45AM Sep 25, 2023Observed: 11.02 ft at 3:00AM Sep 25, 2023Observed: 11.01 ft at 3:15AM Sep 25, 2023Observed: 11.01 ft at 3:30AM Sep 25, 2023Observed: 11.01 ft at 3:45AM Sep 25, 2023Observed: 11.01 ft at 4:00AM Sep 25, 2023Observed: 11.01 ft at 4:15AM Sep 25, 2023Observed: 11.01 ft at 4:30AM Sep 25, 2023Observed: 11.01 ft at 4:45AM Sep 25, 2023Observed: 11.01 ft at 5:00AM Sep 25, 2023Observed: 11.01 ft at 5:15AM Sep 25, 2023Observed: 11.01 ft at 5:30AM Sep 25, 2023Observed: 11.01 ft at 5:45AM Sep 25, 2023Observed: 11.01 ft at 6:00AM Sep 25, 2023USGS--Water Resources of the United StatesNBPI2(plotting HGIRG) Graph Created (6:10AM Sep 25, 2023)ObservedLatest observed value: 11.01 ft at 6:00 AM CDT 25-Sep-2023. Flood Stage is 18 ft
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Tabular Data (CDT)
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Datum: NAVD88
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 North Branch Chicago River at Chicago (Pulaski Rd) are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Niles Upstream Gauge Downstream Gauge Downstream Locations
Flood Categories (in feet)
Major Flood Stage: 21
Moderate Flood Stage: 20
Flood Stage: 18
Action Stage: 16.5
Low Stage (in feet): 10.5

Historic Crests
(1) 23.50 ft on 04/18/2013 (P)
(2) 22.90 ft on 09/14/2008
(3) 22.00 ft on 07/24/2010 (P)
(4) 21.50 ft on 02/21/1997 (P)
(5) 21.50 ft on 06/19/2009 (P)
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 17.90 ft on 05/18/2020
(2) 17.03 ft on 05/22/2018
(3) 23.50 ft on 04/18/2013 (P)
(4) 22.00 ft on 07/24/2010 (P)
(5) 21.50 ft on 06/19/2009 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 10.53 ft on 06/12/2021
(2) 10.62 ft on 08/23/2020
(3) 10.75 ft on 07/31/2018
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.
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27.5 Structures are threatened at North Park University.
26 Low-lying property at North Park University is threatened. Low-lying areas in River Park are threatened.
24 Widespread inundation of structures and roadways reaches up to 1 block from the river in the Albany Park neighborhood. Low-lying sections of St. Luke Cemetery are inundated.
23 Intersection of Pulaski Road and Foster Avenue is threatened.
22 Low-lying sections of Bohemian National Cemetery are inundated.
21 Numerous structures and roadways impacted in the Albany Park neighborhood.
20 Water begins to impact structures in the Albany Park neighborhood. Foster Avenue is threatened east of Pulaski Road.
19 Water may impact the Eugene Field Park foot bridge. Foster Avenue flow diversion tunnel reaches capacity.
18 Portions of Eugene Field Park are inundated.
17 Trails in Gompers Park are inundated.
16.5 Water impacts low-lying trails in Eugene Field Park.
16 Low-lying areas of Gompers Park are inundated.
14.5 Water begins to be diverted through the Foster Avenue flow diversion tunnel.
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10.5 River nears zero flow.
About This Location Collapse

Latitude: 41.974720° N, Longitude: 87.728330° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 18 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 575.33 593.33 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 Not Available Not Available  

Current/Historical Observations:
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Flood impact categories (minor/moderate/major) are estimated and subject to future adjustment.
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Hydrologic Resources Additional Resources
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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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