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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
East Arm Little Calumet River at Porter Stage (ft)Flow (kcfs)Highest Observation: 3.14 ft at 12:45AM Sep 21, 2023Highest Observation: 3.14 ft at 1:00AM Sep 21, 2023Observed: 3.13 ft at 1:15AM Sep 21, 2023Observed: 3.13 ft at 1:30AM Sep 21, 2023Observed: 3.12 ft at 1:45AM Sep 21, 2023Observed: 3.12 ft at 2:00AM Sep 21, 2023Observed: 3.11 ft at 2:15AM Sep 21, 2023Observed: 3.11 ft at 2:30AM Sep 21, 2023Observed: 3.1 ft at 2:45AM Sep 21, 2023Observed: 3.1 ft at 3:00AM Sep 21, 2023Observed: 3.09 ft at 3:15AM Sep 21, 2023Observed: 3.1 ft at 3:30AM Sep 21, 2023Observed: 3.09 ft at 3:45AM Sep 21, 2023Observed: 3.08 ft at 4:00AM Sep 21, 2023Observed: 3.07 ft at 4:15AM Sep 21, 2023Observed: 3.08 ft at 4:30AM Sep 21, 2023Observed: 3.06 ft at 4:45AM Sep 21, 2023Observed: 3.07 ft at 5:00AM Sep 21, 2023Observed: 3.06 ft at 5:15AM Sep 21, 2023Observed: 3.06 ft at 5:30AM Sep 21, 2023Observed: 3.06 ft at 5:45AM Sep 21, 2023Observed: 3.04 ft at 6:00AM Sep 21, 2023Observed: 3.04 ft at 6:15AM Sep 21, 2023Observed: 3.04 ft at 6:30AM Sep 21, 2023Observed: 3.04 ft at 6:45AM Sep 21, 2023Observed: 3.05 ft at 7:00AM Sep 21, 2023Observed: 3.04 ft at 7:15AM Sep 21, 2023Observed: 3.03 ft at 7:30AM Sep 21, 2023Observed: 3.03 ft at 7:45AM Sep 21, 2023Observed: 3.03 ft at 8:00AM Sep 21, 2023Observed: 3.03 ft at 8:15AM Sep 21, 2023Observed: 3.02 ft at 8:30AM Sep 21, 2023Observed: 3.02 ft at 8:45AM Sep 21, 2023Observed: 3.02 ft at 9:00AM Sep 21, 2023Observed: 3.02 ft at 9:15AM Sep 21, 2023Observed: 3.02 ft at 9:30AM Sep 21, 2023Observed: 3.02 ft at 9:45AM Sep 21, 2023Observed: 3.02 ft at 10:00AM Sep 21, 2023Observed: 3.02 ft at 10:15AM Sep 21, 2023Observed: 3.03 ft at 10:30AM Sep 21, 2023Observed: 3.02 ft at 10:45AM Sep 21, 2023Observed: 3.03 ft at 11:00AM Sep 21, 2023Observed: 3.03 ft at 11:15AM Sep 21, 2023Observed: 3.02 ft at 11:30AM Sep 21, 2023Observed: 3.04 ft at 11:45AM Sep 21, 2023Observed: 3.03 ft at 12:00PM Sep 21, 2023Observed: 3.04 ft at 12:15PM Sep 21, 2023Observed: 3.04 ft at 12:30PM Sep 21, 2023Observed: 3.04 ft at 12:45PM Sep 21, 2023Observed: 3.04 ft at 1:00PM Sep 21, 2023Observed: 3.05 ft at 1:15PM Sep 21, 2023Observed: 3.06 ft at 1:30PM Sep 21, 2023Observed: 3.05 ft at 1:45PM Sep 21, 2023Observed: 3.06 ft at 2:00PM Sep 21, 2023Observed: 3.06 ft at 2:15PM Sep 21, 2023Observed: 3.06 ft at 2:30PM Sep 21, 2023Observed: 3.07 ft at 2:45PM Sep 21, 2023Observed: 3.07 ft at 3:00PM Sep 21, 2023Observed: 3.06 ft at 3:15PM Sep 21, 2023Observed: 3.07 ft at 3:30PM Sep 21, 2023Observed: 3.07 ft at 3:45PM Sep 21, 2023Observed: 3.07 ft at 4:00PM Sep 21, 2023Observed: 3.06 ft at 4:15PM Sep 21, 2023Observed: 3.07 ft at 4:30PM Sep 21, 2023Observed: 3.06 ft at 4:45PM Sep 21, 2023Observed: 3.07 ft at 5:00PM Sep 21, 2023Observed: 3.06 ft at 5:15PM Sep 21, 2023Observed: 3.07 ft at 5:30PM Sep 21, 2023Observed: 3.07 ft at 5:45PM Sep 21, 2023Observed: 3.06 ft at 6:00PM Sep 21, 2023Observed: 3.07 ft at 6:15PM Sep 21, 2023Observed: 3.07 ft at 6:30PM Sep 21, 2023Observed: 3.07 ft at 6:45PM Sep 21, 2023Observed: 3.07 ft at 7:00PM Sep 21, 2023Observed: 3.07 ft at 7:15PM Sep 21, 2023Observed: 3.07 ft at 7:30PM Sep 21, 2023Observed: 3.07 ft at 7:45PM Sep 21, 2023Observed: 3.07 ft at 8:00PM Sep 21, 2023Observed: 3.07 ft at 8:15PM Sep 21, 2023Observed: 3.07 ft at 8:30PM Sep 21, 2023Observed: 3.07 ft at 8:45PM Sep 21, 2023Observed: 3.07 ft at 9:00PM Sep 21, 2023Observed: 3.07 ft at 9:15PM Sep 21, 2023Observed: 3.08 ft at 9:30PM Sep 21, 2023Observed: 3.08 ft at 9:45PM Sep 21, 2023Observed: 3.08 ft at 10:00PM Sep 21, 2023Observed: 3.07 ft at 10:15PM Sep 21, 2023Observed: 3.08 ft at 10:30PM Sep 21, 2023Observed: 3.09 ft at 10:45PM Sep 21, 2023Observed: 3.07 ft at 11:00PM Sep 21, 2023Observed: 3.07 ft at 11:15PM Sep 21, 2023Observed: 3.08 ft at 11:30PM Sep 21, 2023Observed: 3.08 ft at 11:45PM Sep 21, 2023Observed: 3.07 ft at 12:00AM Sep 22, 2023Observed: 3.07 ft at 12:15AM Sep 22, 2023Observed: 3.07 ft at 12:30AM Sep 22, 2023Observed: 3.07 ft at 12:45AM Sep 22, 2023Observed: 3.06 ft at 1:00AM Sep 22, 2023Observed: 3.07 ft at 1:15AM Sep 22, 2023Observed: 3.05 ft at 1:30AM Sep 22, 2023Observed: 3.05 ft at 1:45AM Sep 22, 2023Observed: 3.05 ft at 2:00AM Sep 22, 2023Observed: 3.05 ft at 2:15AM Sep 22, 2023Observed: 3.04 ft at 2:30AM Sep 22, 2023Observed: 3.03 ft at 2:45AM Sep 22, 2023Observed: 3.03 ft at 3:00AM Sep 22, 2023Observed: 3.02 ft at 3:15AM Sep 22, 2023Observed: 3.02 ft at 3:30AM Sep 22, 2023Observed: 3.02 ft at 3:45AM Sep 22, 2023Observed: 3.02 ft at 4:00AM Sep 22, 2023Observed: 3.02 ft at 4:15AM Sep 22, 2023Observed: 3.01 ft at 4:30AM Sep 22, 2023Observed: 3.01 ft at 4:45AM Sep 22, 2023Observed: 3.01 ft at 5:00AM Sep 22, 2023Observed: 3 ft at 5:15AM Sep 22, 2023Observed: 3.01 ft at 5:30AM Sep 22, 2023Observed: 3 ft at 5:45AM Sep 22, 2023Observed: 3.01 ft at 6:00AM Sep 22, 2023Observed: 3 ft at 6:15AM Sep 22, 2023Observed: 2.99 ft at 6:30AM Sep 22, 2023Observed: 3 ft at 6:45AM Sep 22, 2023Observed: 2.99 ft at 7:00AM Sep 22, 2023Observed: 2.99 ft at 7:15AM Sep 22, 2023Observed: 2.99 ft at 7:30AM Sep 22, 2023Observed: 2.99 ft at 7:45AM Sep 22, 2023Observed: 2.99 ft at 8:00AM Sep 22, 2023Observed: 2.98 ft at 8:15AM Sep 22, 2023Observed: 2.98 ft at 8:30AM Sep 22, 2023Observed: 2.98 ft at 8:45AM Sep 22, 2023Observed: 2.98 ft at 9:00AM Sep 22, 2023Observed: 2.98 ft at 9:15AM Sep 22, 2023Observed: 2.99 ft at 9:30AM Sep 22, 2023Observed: 3 ft at 9:45AM Sep 22, 2023Observed: 2.99 ft at 10:00AM Sep 22, 2023Observed: 3 ft at 10:15AM Sep 22, 2023Observed: 2.99 ft at 10:30AM Sep 22, 2023Observed: 3 ft at 10:45AM Sep 22, 2023Observed: 2.99 ft at 11:00AM Sep 22, 2023Observed: 3 ft at 11:15AM Sep 22, 2023Observed: 3.01 ft at 11:30AM Sep 22, 2023Observed: 3 ft at 11:45AM Sep 22, 2023Observed: 3.02 ft at 12:00PM Sep 22, 2023Observed: 3.01 ft at 12:15PM Sep 22, 2023Observed: 3.01 ft at 12:30PM Sep 22, 2023Observed: 3.02 ft at 12:45PM Sep 22, 2023Observed: 3.02 ft at 1:00PM Sep 22, 2023Observed: 3.02 ft at 1:15PM Sep 22, 2023Observed: 3.01 ft at 1:30PM Sep 22, 2023Observed: 3.02 ft at 1:45PM Sep 22, 2023Observed: 3.02 ft at 2:00PM Sep 22, 2023Observed: 3.02 ft at 2:15PM Sep 22, 2023Observed: 3.03 ft at 2:30PM Sep 22, 2023Observed: 3.02 ft at 2:45PM Sep 22, 2023Observed: 3.03 ft at 3:00PM Sep 22, 2023Observed: 3.03 ft at 3:15PM Sep 22, 2023Observed: 3.04 ft at 3:30PM Sep 22, 2023Observed: 3.03 ft at 3:45PM Sep 22, 2023Observed: 3.02 ft at 4:00PM Sep 22, 2023Observed: 3.03 ft at 4:15PM Sep 22, 2023Observed: 3.04 ft at 4:30PM Sep 22, 2023Observed: 3.02 ft at 4:45PM Sep 22, 2023Observed: 3.02 ft at 5:00PM Sep 22, 2023Observed: 3.03 ft at 5:15PM Sep 22, 2023Observed: 3.03 ft at 5:30PM Sep 22, 2023Observed: 3.02 ft at 5:45PM Sep 22, 2023Observed: 3.03 ft at 6:00PM Sep 22, 2023Observed: 3.02 ft at 6:15PM Sep 22, 2023Observed: 3.02 ft at 6:30PM Sep 22, 2023Observed: 3.03 ft at 6:45PM Sep 22, 2023Observed: 3.03 ft at 7:00PM Sep 22, 2023Observed: 3.02 ft at 7:15PM Sep 22, 2023Observed: 3.02 ft at 7:30PM Sep 22, 2023Observed: 3.02 ft at 7:45PM Sep 22, 2023Observed: 3.01 ft at 8:00PM Sep 22, 2023Observed: 3.01 ft at 8:15PM Sep 22, 2023Observed: 3.01 ft at 8:30PM Sep 22, 2023Observed: 3.02 ft at 8:45PM Sep 22, 2023Observed: 3.03 ft at 9:00PM Sep 22, 2023Observed: 3.01 ft at 9:15PM Sep 22, 2023Observed: 3.03 ft at 9:30PM Sep 22, 2023Observed: 3.02 ft at 9:45PM Sep 22, 2023Observed: 3.02 ft at 10:00PM Sep 22, 2023Observed: 3.02 ft at 10:15PM Sep 22, 2023Observed: 3.03 ft at 10:30PM Sep 22, 2023Observed: 3.02 ft at 10:45PM Sep 22, 2023Observed: 3.03 ft at 11:00PM Sep 22, 2023Observed: 3.02 ft at 11:15PM Sep 22, 2023Observed: 3.02 ft at 11:30PM Sep 22, 2023Observed: 3.02 ft at 11:45PM Sep 22, 2023Observed: 3.02 ft at 12:00AM Sep 23, 2023Observed: 3.01 ft at 12:15AM Sep 23, 2023Observed: 3.01 ft at 12:30AM Sep 23, 2023Observed: 3.01 ft at 12:45AM Sep 23, 2023Observed: 3.01 ft at 1:00AM Sep 23, 2023Observed: 3.01 ft at 1:15AM Sep 23, 2023Observed: 2.99 ft at 1:30AM Sep 23, 2023Observed: 2.99 ft at 1:45AM Sep 23, 2023Observed: 2.99 ft at 2:00AM Sep 23, 2023Observed: 2.98 ft at 2:15AM Sep 23, 2023Observed: 2.98 ft at 2:30AM Sep 23, 2023Observed: 2.98 ft at 2:45AM Sep 23, 2023Observed: 2.98 ft at 3:00AM Sep 23, 2023Observed: 2.97 ft at 3:15AM Sep 23, 2023Observed: 2.97 ft at 3:30AM Sep 23, 2023Observed: 2.96 ft at 3:45AM Sep 23, 2023Observed: 2.96 ft at 4:00AM Sep 23, 2023Observed: 2.95 ft at 4:15AM Sep 23, 2023Observed: 2.96 ft at 4:30AM Sep 23, 2023Observed: 2.96 ft at 4:45AM Sep 23, 2023Observed: 2.96 ft at 5:00AM Sep 23, 2023Observed: 2.95 ft at 5:15AM Sep 23, 2023Observed: 2.94 ft at 5:30AM Sep 23, 2023Observed: 2.95 ft at 5:45AM Sep 23, 2023Observed: 2.93 ft at 6:00AM Sep 23, 2023Observed: 2.94 ft at 6:15AM Sep 23, 2023Observed: 2.93 ft at 6:30AM Sep 23, 2023Observed: 2.93 ft at 6:45AM Sep 23, 2023Observed: 2.92 ft at 7:00AM Sep 23, 2023Observed: 2.93 ft at 7:15AM Sep 23, 2023Observed: 2.94 ft at 7:30AM Sep 23, 2023Observed: 2.94 ft at 7:45AM Sep 23, 2023Observed: 2.94 ft at 8:00AM Sep 23, 2023Observed: 2.94 ft at 8:15AM Sep 23, 2023Observed: 2.94 ft at 8:30AM Sep 23, 2023Observed: 2.93 ft at 8:45AM Sep 23, 2023Observed: 2.94 ft at 9:00AM Sep 23, 2023Observed: 2.95 ft at 9:15AM Sep 23, 2023Observed: 2.96 ft at 9:30AM Sep 23, 2023Observed: 2.96 ft at 9:45AM Sep 23, 2023Observed: 2.97 ft at 10:00AM Sep 23, 2023Observed: 2.97 ft at 10:15AM Sep 23, 2023Observed: 2.98 ft at 10:30AM Sep 23, 2023Observed: 2.99 ft at 10:45AM Sep 23, 2023Observed: 2.98 ft at 11:00AM Sep 23, 2023Observed: 3 ft at 11:15AM Sep 23, 2023Observed: 3 ft at 11:30AM Sep 23, 2023Observed: 3 ft at 11:45AM Sep 23, 2023Observed: 3.01 ft at 12:00PM Sep 23, 2023Observed: 3.01 ft at 12:15PM Sep 23, 2023Observed: 3.02 ft at 12:30PM Sep 23, 2023Observed: 3.01 ft at 12:45PM Sep 23, 2023Observed: 3.02 ft at 1:00PM Sep 23, 2023Observed: 3.03 ft at 1:15PM Sep 23, 2023Observed: 3.04 ft at 1:30PM Sep 23, 2023Observed: 3.06 ft at 1:45PM Sep 23, 2023Observed: 3.07 ft at 2:00PM Sep 23, 2023Observed: 3.07 ft at 2:15PM Sep 23, 2023Observed: 3.08 ft at 2:30PM Sep 23, 2023Observed: 3.08 ft at 2:45PM Sep 23, 2023Observed: 3.1 ft at 3:00PM Sep 23, 2023Observed: 3.1 ft at 3:15PM Sep 23, 2023Observed: 3.1 ft at 3:30PM Sep 23, 2023Observed: 3.1 ft at 3:45PM Sep 23, 2023Observed: 3.1 ft at 4:00PM Sep 23, 2023Observed: 3.09 ft at 4:15PM Sep 23, 2023Observed: 3.09 ft at 4:30PM Sep 23, 2023Observed: 3.09 ft at 4:45PM Sep 23, 2023Observed: 3.08 ft at 5:00PM Sep 23, 2023Observed: 3.08 ft at 5:15PM Sep 23, 2023Observed: 3.06 ft at 5:30PM Sep 23, 2023Observed: 3.06 ft at 5:45PM Sep 23, 2023Observed: 3.06 ft at 6:00PM Sep 23, 2023Observed: 3.04 ft at 6:15PM Sep 23, 2023Observed: 3.04 ft at 6:30PM Sep 23, 2023Observed: 3.03 ft at 6:45PM Sep 23, 2023Observed: 3.03 ft at 7:00PM Sep 23, 2023Observed: 3.02 ft at 7:15PM Sep 23, 2023Observed: 3.02 ft at 7:30PM Sep 23, 2023Observed: 3.01 ft at 7:45PM Sep 23, 2023Observed: 3.01 ft at 8:00PM Sep 23, 2023Observed: 2.99 ft at 8:15PM Sep 23, 2023Observed: 2.99 ft at 8:30PM Sep 23, 2023Observed: 2.99 ft at 8:45PM Sep 23, 2023Observed: 2.98 ft at 9:00PM Sep 23, 2023Observed: 2.98 ft at 9:15PM Sep 23, 2023Observed: 2.96 ft at 9:30PM Sep 23, 2023Observed: 2.96 ft at 9:45PM Sep 23, 2023Observed: 2.97 ft at 10:00PM Sep 23, 2023Observed: 2.96 ft at 10:15PM Sep 23, 2023Observed: 2.97 ft at 10:30PM Sep 23, 2023Observed: 2.97 ft at 10:45PM Sep 23, 2023Observed: 2.96 ft at 11:00PM Sep 23, 2023Observed: 2.96 ft at 11:15PM Sep 23, 2023Observed: 2.95 ft at 11:30PM Sep 23, 2023Observed: 2.95 ft at 11:45PM Sep 23, 2023Observed: 2.94 ft at 12:00AM Sep 24, 2023Observed: 2.94 ft at 12:15AM Sep 24, 2023Observed: 2.95 ft at 12:30AM Sep 24, 2023Observed: 2.94 ft at 12:45AM Sep 24, 2023Observed: 2.94 ft at 1:00AM Sep 24, 2023Observed: 2.93 ft at 1:15AM Sep 24, 2023Observed: 2.93 ft at 1:30AM Sep 24, 2023Observed: 2.93 ft at 1:45AM Sep 24, 2023Observed: 2.93 ft at 2:00AM Sep 24, 2023Observed: 2.94 ft at 2:15AM Sep 24, 2023Observed: 2.93 ft at 2:30AM Sep 24, 2023Observed: 2.92 ft at 2:45AM Sep 24, 2023Observed: 2.93 ft at 3:00AM Sep 24, 2023Observed: 2.93 ft at 3:15AM Sep 24, 2023Observed: 2.93 ft at 3:30AM Sep 24, 2023Observed: 2.92 ft at 3:45AM Sep 24, 2023Observed: 2.92 ft at 4:00AM Sep 24, 2023Observed: 2.92 ft at 4:15AM Sep 24, 2023Observed: 2.91 ft at 4:30AM Sep 24, 2023Observed: 2.91 ft at 4:45AM Sep 24, 2023Observed: 2.91 ft at 5:00AM Sep 24, 2023Observed: 2.91 ft at 5:15AM Sep 24, 2023Observed: 2.9 ft at 5:30AM Sep 24, 2023Observed: 2.91 ft at 5:45AM Sep 24, 2023Observed: 2.9 ft at 6:00AM Sep 24, 2023Observed: 2.9 ft at 6:15AM Sep 24, 2023Observed: 2.9 ft at 6:30AM Sep 24, 2023Observed: 2.9 ft at 6:45AM Sep 24, 2023Observed: 2.88 ft at 7:00AM Sep 24, 2023Observed: 2.89 ft at 7:15AM Sep 24, 2023Observed: 2.88 ft at 7:30AM Sep 24, 2023Observed: 2.88 ft at 7:45AM Sep 24, 2023Observed: 2.88 ft at 8:00AM Sep 24, 2023Observed: 2.88 ft at 8:15AM Sep 24, 2023Observed: 2.89 ft at 8:30AM Sep 24, 2023Observed: 2.88 ft at 8:45AM Sep 24, 2023Observed: 2.88 ft at 9:00AM Sep 24, 2023Observed: 2.88 ft at 9:15AM Sep 24, 2023Observed: 2.88 ft at 9:30AM Sep 24, 2023Observed: 2.87 ft at 9:45AM Sep 24, 2023Observed: 2.88 ft at 10:00AM Sep 24, 2023Observed: 2.88 ft at 10:15AM Sep 24, 2023Observed: 2.88 ft at 10:30AM Sep 24, 2023Observed: 2.88 ft at 10:45AM Sep 24, 2023Observed: 2.89 ft at 11:00AM Sep 24, 2023Observed: 2.89 ft at 11:15AM Sep 24, 2023Observed: 2.89 ft at 11:30AM Sep 24, 2023Observed: 2.91 ft at 11:45AM Sep 24, 2023Observed: 2.9 ft at 12:00PM Sep 24, 2023Observed: 2.9 ft at 12:15PM Sep 24, 2023Observed: 2.92 ft at 12:30PM Sep 24, 2023Observed: 2.92 ft at 12:45PM Sep 24, 2023Observed: 2.93 ft at 1:00PM Sep 24, 2023Observed: 2.93 ft at 1:15PM Sep 24, 2023Observed: 2.94 ft at 1:30PM Sep 24, 2023Observed: 2.94 ft at 1:45PM Sep 24, 2023Observed: 2.95 ft at 2:00PM Sep 24, 2023Observed: 2.95 ft at 2:15PM Sep 24, 2023Observed: 2.94 ft at 2:30PM Sep 24, 2023Observed: 2.95 ft at 2:45PM Sep 24, 2023Observed: 2.94 ft at 3:00PM Sep 24, 2023Observed: 2.95 ft at 3:15PM Sep 24, 2023Observed: 2.94 ft at 3:30PM Sep 24, 2023Observed: 2.95 ft at 3:45PM Sep 24, 2023Observed: 2.95 ft at 4:00PM Sep 24, 2023Observed: 2.94 ft at 4:15PM Sep 24, 2023Observed: 2.94 ft at 4:30PM Sep 24, 2023Observed: 2.95 ft at 4:45PM Sep 24, 2023Observed: 2.95 ft at 5:00PM Sep 24, 2023Observed: 2.94 ft at 5:15PM Sep 24, 2023Observed: 2.95 ft at 5:30PM Sep 24, 2023Observed: 2.94 ft at 5:45PM Sep 24, 2023Observed: 2.94 ft at 6:00PM Sep 24, 2023Observed: 2.95 ft at 6:15PM Sep 24, 2023Observed: 2.94 ft at 6:30PM Sep 24, 2023Observed: 2.94 ft at 6:45PM Sep 24, 2023Observed: 2.95 ft at 7:00PM Sep 24, 2023Observed: 2.94 ft at 7:15PM Sep 24, 2023Observed: 2.94 ft at 7:30PM Sep 24, 2023Observed: 2.94 ft at 7:45PM Sep 24, 2023Observed: 2.95 ft at 8:00PM Sep 24, 2023Observed: 2.94 ft at 8:15PM Sep 24, 2023Observed: 2.95 ft at 8:30PM Sep 24, 2023Observed: 2.95 ft at 8:45PM Sep 24, 2023Observed: 2.94 ft at 9:00PM Sep 24, 2023Observed: 2.95 ft at 9:15PM Sep 24, 2023Observed: 2.94 ft at 9:30PM Sep 24, 2023Observed: 2.95 ft at 9:45PM Sep 24, 2023Observed: 2.95 ft at 10:00PM Sep 24, 2023Observed: 2.94 ft at 10:15PM Sep 24, 2023Observed: 2.96 ft at 10:30PM Sep 24, 2023Observed: 2.95 ft at 10:45PM Sep 24, 2023Observed: 2.95 ft at 11:00PM Sep 24, 2023Observed: 2.95 ft at 11:15PM Sep 24, 2023Observed: 2.95 ft at 11:30PM Sep 24, 2023Observed: 2.95 ft at 11:45PM Sep 24, 2023Observed: 2.95 ft at 12:00AM Sep 25, 2023Observed: 2.95 ft at 12:15AM Sep 25, 2023Observed: 2.95 ft at 12:30AM Sep 25, 2023Observed: 2.94 ft at 12:45AM Sep 25, 2023Observed: 2.95 ft at 1:00AM Sep 25, 2023Observed: 2.94 ft at 1:15AM Sep 25, 2023Observed: 2.94 ft at 1:30AM Sep 25, 2023Observed: 2.94 ft at 1:45AM Sep 25, 2023Observed: 2.93 ft at 2:00AM Sep 25, 2023Observed: 2.92 ft at 2:15AM Sep 25, 2023Observed: 2.93 ft at 2:30AM Sep 25, 2023Observed: 2.92 ft at 2:45AM Sep 25, 2023Observed: 2.92 ft at 3:00AM Sep 25, 2023Observed: 2.92 ft at 3:15AM Sep 25, 2023Observed: 2.91 ft at 3:30AM Sep 25, 2023Observed: 2.91 ft at 3:45AM Sep 25, 2023Observed: 2.9 ft at 4:00AM Sep 25, 2023Observed: 2.91 ft at 4:15AM Sep 25, 2023Observed: 2.89 ft at 4:30AM Sep 25, 2023Observed: 2.91 ft at 4:45AM Sep 25, 2023Observed: 2.89 ft at 5:00AM Sep 25, 2023Observed: 2.89 ft at 5:15AM Sep 25, 2023Observed: 2.9 ft at 5:30AM Sep 25, 2023Observed: 2.88 ft at 5:45AM Sep 25, 2023Observed: 2.88 ft at 6:00AM Sep 25, 2023Observed: 2.89 ft at 6:15AM Sep 25, 2023Observed: 2.88 ft at 6:30AM Sep 25, 2023Observed: 2.88 ft at 6:45AM Sep 25, 2023Observed: 2.88 ft at 7:00AM Sep 25, 2023Observed: 2.89 ft at 7:15AM Sep 25, 2023Observed: 2.88 ft at 7:30AM Sep 25, 2023Observed: 2.88 ft at 7:45AM Sep 25, 2023Observed: 2.88 ft at 8:00AM Sep 25, 2023Observed: 2.88 ft at 8:15AM Sep 25, 2023Observed: 2.88 ft at 8:30AM Sep 25, 2023Observed: 2.88 ft at 8:45AM Sep 25, 2023Observed: 2.89 ft at 9:00AM Sep 25, 2023Observed: 2.89 ft at 9:15AM Sep 25, 2023Observed: 2.88 ft at 9:30AM Sep 25, 2023Observed: 2.9 ft at 9:45AM Sep 25, 2023Observed: 2.9 ft at 10:00AM Sep 25, 2023Observed: 2.9 ft at 10:15AM Sep 25, 2023Observed: 2.89 ft at 10:30AM Sep 25, 2023Observed: 2.9 ft at 10:45AM Sep 25, 2023Observed: 2.91 ft at 11:00AM Sep 25, 2023Observed: 2.91 ft at 11:15AM Sep 25, 2023Observed: 2.91 ft at 11:30AM Sep 25, 2023Observed: 2.92 ft at 11:45AM Sep 25, 2023Observed: 2.91 ft at 12:00PM Sep 25, 2023Observed: 2.91 ft at 12:15PM Sep 25, 2023Observed: 2.91 ft at 12:30PM Sep 25, 2023Observed: 2.92 ft at 12:45PM Sep 25, 2023Observed: 2.92 ft at 1:00PM Sep 25, 2023Observed: 2.92 ft at 1:15PM Sep 25, 2023Observed: 2.92 ft at 1:30PM Sep 25, 2023Observed: 2.92 ft at 1:45PM Sep 25, 2023Observed: 2.92 ft at 2:00PM Sep 25, 2023Observed: 2.93 ft at 2:15PM Sep 25, 2023Observed: 2.93 ft at 2:30PM Sep 25, 2023Observed: 2.92 ft at 2:45PM Sep 25, 2023Observed: 2.93 ft at 3:00PM Sep 25, 2023Observed: 2.93 ft at 3:15PM Sep 25, 2023Observed: 2.93 ft at 3:30PM Sep 25, 2023Observed: 2.93 ft at 3:45PM Sep 25, 2023Observed: 2.93 ft at 4:00PM Sep 25, 2023Observed: 2.94 ft at 4:15PM Sep 25, 2023Observed: 2.93 ft at 4:30PM Sep 25, 2023Observed: 2.94 ft at 4:45PM Sep 25, 2023Observed: 2.93 ft at 5:00PM Sep 25, 2023Observed: 2.93 ft at 5:15PM Sep 25, 2023Observed: 2.93 ft at 5:30PM Sep 25, 2023Observed: 2.93 ft at 5:45PM Sep 25, 2023Observed: 2.92 ft at 6:00PM Sep 25, 2023Observed: 2.94 ft at 6:15PM Sep 25, 2023Observed: 2.93 ft at 6:30PM Sep 25, 2023Observed: 2.93 ft at 6:45PM Sep 25, 2023Observed: 2.93 ft at 7:00PM Sep 25, 2023Observed: 2.94 ft at 7:15PM Sep 25, 2023Observed: 2.93 ft at 7:30PM Sep 25, 2023Observed: 2.93 ft at 7:45PM Sep 25, 2023Observed: 2.93 ft at 8:00PM Sep 25, 2023Observed: 2.93 ft at 8:15PM Sep 25, 2023Observed: 2.93 ft at 8:30PM Sep 25, 2023Observed: 2.93 ft at 8:45PM Sep 25, 2023Observed: 2.94 ft at 9:00PM Sep 25, 2023Observed: 2.93 ft at 9:15PM Sep 25, 2023Observed: 2.94 ft at 9:30PM Sep 25, 2023Observed: 2.93 ft at 9:45PM Sep 25, 2023Observed: 2.93 ft at 10:00PM Sep 25, 2023Observed: 2.94 ft at 10:15PM Sep 25, 2023Observed: 2.94 ft at 10:30PM Sep 25, 2023Observed: 2.93 ft at 10:45PM Sep 25, 2023Observed: 2.94 ft at 11:00PM Sep 25, 2023Observed: 2.95 ft at 11:15PM Sep 25, 2023Observed: 2.94 ft at 11:30PM Sep 25, 2023Observed: 2.94 ft at 11:45PM Sep 25, 2023USGS--Water Resources of the United StatesPRTI3(plotting HGIRG) Graph Created (12:40AM Sep 26, 2023)ObservedLatest observed value: 2.94 ft at 11:45 PM CDT 25-Sep-2023. Flood Stage is 8 ft
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Tabular Data (UTC)
Tabular Data (CDT)
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NOTE: Graphical forecasts are not available for the East Arm Little Calumet River at Porter. During times of high water, forecast crest information can be found in the text products.
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Downstream Gauge Downstream Gauge - at Portage (Lake Michigan outlet)
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 8
Action Stage: 7
Low Stage (in feet): -9999

Historic Crests
(1) 12.04 ft on 09/15/2008
(2) 11.66 ft on 10/10/1954
(3) 11.00 ft on 02/21/2018
(4) 10.93 ft on 11/28/1990
(5) 10.63 ft on 05/10/1996
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(P): Preliminary values subject to further review.

Recent Crests
(1) 6.93 ft on 03/01/2021
(2) 9.44 ft on 05/24/2020
(3) 8.74 ft on 05/16/2020
(4) 8.22 ft on 04/30/2020
(5) 9.31 ft on 01/12/2020
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.84 ft on 09/03/2008
(2) 2.98 ft on 08/12/2016
(3) 2.98 ft on 07/14/2012
(4) 3.03 ft on 09/28/2013
(5) 3.03 ft on 09/02/2017
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.
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Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
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Latitude: 41.621667° N, Longitude: 87.086944° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 8 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 Not Available Not Available  

Current/Historical Observations:
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NWS Information
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