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Web Portal Changes: In Spring 2024, the Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS) at a repurposed https://water.noaa.gov. A preview of NWPS is available here, where you can see your station hydrograph by replacing SSSSS with the station 5-character id: https://preview.water.noaa.gov/gauges/SSSSS.

Flood Inundation Mapping: Experimental real-time flood Inundation mapping services for 10% of the United States are now available via the NWS Map Viewer. Additional products and geospatial services depicting River Forecast Center and National Water Model forecasts continue to be accessible as described in the StoryMap here.

Please visit https://www.weather.gov/owp/operations for more information.



Hydrograph River at a Glance Download
Ioway Creek at Ames Lincoln Way Stage (ft)Flow (cfs)Observed: 1.2 ft at 10:15PM Feb 25, 2024Observed: 1.2 ft at 10:30PM Feb 25, 2024Observed: 1.2 ft at 10:45PM Feb 25, 2024Observed: 1.2 ft at 11:00PM Feb 25, 2024Observed: 1.2 ft at 11:15PM Feb 25, 2024Observed: 1.19 ft at 11:30PM Feb 25, 2024Observed: 1.19 ft at 11:45PM Feb 25, 2024Observed: 1.19 ft at 12:00AM Feb 26, 2024Observed: 1.19 ft at 12:15AM Feb 26, 2024Observed: 1.19 ft at 12:30AM Feb 26, 2024Observed: 1.19 ft at 12:45AM Feb 26, 2024Observed: 1.19 ft at 1:00AM Feb 26, 2024Observed: 1.19 ft at 1:15AM Feb 26, 2024Observed: 1.19 ft at 1:30AM Feb 26, 2024Observed: 1.19 ft at 1:45AM Feb 26, 2024Observed: 1.19 ft at 2:00AM Feb 26, 2024Observed: 1.19 ft at 2:15AM Feb 26, 2024Observed: 1.19 ft at 2:30AM Feb 26, 2024Observed: 1.19 ft at 2:45AM Feb 26, 2024Observed: 1.18 ft at 3:00AM Feb 26, 2024Observed: 1.18 ft at 3:15AM Feb 26, 2024Observed: 1.18 ft at 3:30AM Feb 26, 2024Observed: 1.18 ft at 3:45AM Feb 26, 2024Observed: 1.18 ft at 4:00AM Feb 26, 2024Observed: 1.18 ft at 4:15AM Feb 26, 2024Observed: 1.18 ft at 4:30AM Feb 26, 2024Observed: 1.18 ft at 4:45AM Feb 26, 2024Observed: 1.18 ft at 5:00AM Feb 26, 2024Observed: 1.18 ft at 5:15AM Feb 26, 2024Observed: 1.18 ft at 5:30AM Feb 26, 2024Observed: 1.18 ft at 5:45AM Feb 26, 2024Observed: 1.18 ft at 6:00AM Feb 26, 2024Observed: 1.18 ft at 6:15AM Feb 26, 2024Observed: 1.18 ft at 6:30AM Feb 26, 2024Observed: 1.18 ft at 6:45AM Feb 26, 2024Observed: 1.18 ft at 7:00AM Feb 26, 2024Observed: 1.18 ft at 7:15AM Feb 26, 2024Observed: 1.18 ft at 7:30AM Feb 26, 2024Observed: 1.18 ft at 7:45AM Feb 26, 2024Observed: 1.18 ft at 8:00AM Feb 26, 2024Observed: 1.18 ft at 8:15AM Feb 26, 2024Observed: 1.18 ft at 8:30AM Feb 26, 2024Observed: 1.18 ft at 8:45AM Feb 26, 2024Observed: 1.18 ft at 9:00AM Feb 26, 2024Observed: 1.18 ft at 9:15AM Feb 26, 2024Observed: 1.19 ft at 9:30AM Feb 26, 2024Observed: 1.19 ft at 9:45AM Feb 26, 2024Observed: 1.19 ft at 10:00AM Feb 26, 2024Observed: 1.19 ft at 10:15AM Feb 26, 2024Observed: 1.19 ft at 10:30AM Feb 26, 2024Observed: 1.19 ft at 10:45AM Feb 26, 2024Observed: 1.2 ft at 11:00AM Feb 26, 2024Observed: 1.19 ft at 11:15AM Feb 26, 2024Observed: 1.19 ft at 11:30AM Feb 26, 2024Observed: 1.2 ft at 11:45AM Feb 26, 2024Observed: 1.19 ft at 12:00PM Feb 26, 2024Observed: 1.19 ft at 12:15PM Feb 26, 2024Observed: 1.2 ft at 12:30PM Feb 26, 2024Observed: 1.19 ft at 12:45PM Feb 26, 2024Observed: 1.2 ft at 1:00PM Feb 26, 2024Observed: 1.2 ft at 1:15PM Feb 26, 2024Observed: 1.2 ft at 1:30PM Feb 26, 2024Observed: 1.2 ft at 1:45PM Feb 26, 2024Observed: 1.2 ft at 2:00PM Feb 26, 2024Observed: 1.2 ft at 2:15PM Feb 26, 2024Observed: 1.19 ft at 2:30PM Feb 26, 2024Observed: 1.19 ft at 2:45PM Feb 26, 2024Observed: 1.19 ft at 3:00PM Feb 26, 2024Observed: 1.19 ft at 3:15PM Feb 26, 2024Observed: 1.19 ft at 3:30PM Feb 26, 2024Observed: 1.19 ft at 3:45PM Feb 26, 2024Observed: 1.19 ft at 4:00PM Feb 26, 2024Observed: 1.2 ft at 4:15PM Feb 26, 2024Observed: 1.2 ft at 4:30PM Feb 26, 2024Observed: 1.2 ft at 4:45PM Feb 26, 2024Observed: 1.19 ft at 5:00PM Feb 26, 2024Observed: 1.19 ft at 5:15PM Feb 26, 2024Observed: 1.19 ft at 5:30PM Feb 26, 2024Observed: 1.19 ft at 5:45PM Feb 26, 2024Observed: 1.19 ft at 6:00PM Feb 26, 2024Observed: 1.19 ft at 6:15PM Feb 26, 2024Observed: 1.19 ft at 6:30PM Feb 26, 2024Observed: 1.19 ft at 6:45PM Feb 26, 2024Observed: 1.19 ft at 7:00PM Feb 26, 2024Observed: 1.19 ft at 7:15PM Feb 26, 2024Observed: 1.19 ft at 7:30PM Feb 26, 2024Observed: 1.19 ft at 7:45PM Feb 26, 2024Observed: 1.19 ft at 8:00PM Feb 26, 2024Observed: 1.19 ft at 8:15PM Feb 26, 2024Observed: 1.19 ft at 8:30PM Feb 26, 2024Observed: 1.19 ft at 8:45PM Feb 26, 2024Observed: 1.19 ft at 9:00PM Feb 26, 2024Observed: 1.19 ft at 9:15PM Feb 26, 2024Observed: 1.19 ft at 9:30PM Feb 26, 2024Observed: 1.19 ft at 9:45PM Feb 26, 2024Observed: 1.19 ft at 10:00PM Feb 26, 2024Observed: 1.19 ft at 10:15PM Feb 26, 2024Observed: 1.19 ft at 10:30PM Feb 26, 2024Observed: 1.19 ft at 10:45PM Feb 26, 2024Observed: 1.19 ft at 11:00PM Feb 26, 2024Observed: 1.19 ft at 11:15PM Feb 26, 2024Observed: 1.19 ft at 11:30PM Feb 26, 2024Observed: 1.19 ft at 11:45PM Feb 26, 2024Observed: 1.19 ft at 12:00AM Feb 27, 2024Observed: 1.19 ft at 12:15AM Feb 27, 2024Observed: 1.19 ft at 12:30AM Feb 27, 2024Observed: 1.19 ft at 12:45AM Feb 27, 2024Observed: 1.19 ft at 1:00AM Feb 27, 2024Observed: 1.19 ft at 1:15AM Feb 27, 2024Observed: 1.19 ft at 1:30AM Feb 27, 2024Observed: 1.19 ft at 1:45AM Feb 27, 2024Observed: 1.19 ft at 2:00AM Feb 27, 2024Observed: 1.19 ft at 2:15AM Feb 27, 2024Observed: 1.19 ft at 2:30AM Feb 27, 2024Observed: 1.19 ft at 2:45AM Feb 27, 2024Observed: 1.19 ft at 3:00AM Feb 27, 2024Observed: 1.19 ft at 3:15AM Feb 27, 2024Observed: 1.19 ft at 3:30AM Feb 27, 2024Observed: 1.19 ft at 3:45AM Feb 27, 2024Observed: 1.19 ft at 4:00AM Feb 27, 2024Observed: 1.19 ft at 4:15AM Feb 27, 2024Observed: 1.19 ft at 4:30AM Feb 27, 2024Observed: 1.19 ft at 4:45AM Feb 27, 2024Observed: 1.19 ft at 5:00AM Feb 27, 2024Observed: 1.19 ft at 5:15AM Feb 27, 2024Observed: 1.19 ft at 5:30AM Feb 27, 2024Observed: 1.19 ft at 5:45AM Feb 27, 2024Observed: 1.19 ft at 6:00AM Feb 27, 2024Observed: 1.19 ft at 6:15AM Feb 27, 2024Observed: 1.18 ft at 6:30AM Feb 27, 2024Observed: 1.19 ft at 6:45AM Feb 27, 2024Observed: 1.19 ft at 7:00AM Feb 27, 2024Observed: 1.19 ft at 7:15AM Feb 27, 2024Observed: 1.19 ft at 7:30AM Feb 27, 2024Observed: 1.19 ft at 7:45AM Feb 27, 2024Observed: 1.19 ft at 8:00AM Feb 27, 2024Observed: 1.19 ft at 8:15AM Feb 27, 2024Observed: 1.19 ft at 8:30AM Feb 27, 2024Observed: 1.19 ft at 8:45AM Feb 27, 2024Observed: 1.19 ft at 9:00AM Feb 27, 2024Observed: 1.19 ft at 9:15AM Feb 27, 2024Observed: 1.19 ft at 9:30AM Feb 27, 2024Observed: 1.19 ft at 9:45AM Feb 27, 2024Observed: 1.19 ft at 10:00AM Feb 27, 2024Observed: 1.19 ft at 10:15AM Feb 27, 2024Observed: 1.19 ft at 10:30AM Feb 27, 2024Observed: 1.2 ft at 10:45AM Feb 27, 2024Observed: 1.19 ft at 11:00AM Feb 27, 2024Observed: 1.2 ft at 11:15AM Feb 27, 2024Observed: 1.2 ft at 11:30AM Feb 27, 2024Observed: 1.2 ft at 11:45AM Feb 27, 2024Observed: 1.2 ft at 12:00PM Feb 27, 2024Observed: 1.2 ft at 12:15PM Feb 27, 2024Observed: 1.2 ft at 12:30PM Feb 27, 2024Observed: 1.2 ft at 12:45PM Feb 27, 2024Observed: 1.2 ft at 1:00PM Feb 27, 2024Observed: 1.2 ft at 1:15PM Feb 27, 2024Observed: 1.2 ft at 1:30PM Feb 27, 2024Observed: 1.2 ft at 1:45PM Feb 27, 2024Observed: 1.19 ft at 2:00PM Feb 27, 2024Observed: 1.2 ft at 2:15PM Feb 27, 2024Observed: 1.19 ft at 2:30PM Feb 27, 2024Observed: 1.19 ft at 2:45PM Feb 27, 2024Observed: 1.19 ft at 3:00PM Feb 27, 2024Observed: 1.19 ft at 3:15PM Feb 27, 2024Observed: 1.19 ft at 3:30PM Feb 27, 2024Observed: 1.19 ft at 3:45PM Feb 27, 2024Observed: 1.19 ft at 4:00PM Feb 27, 2024Observed: 1.19 ft at 4:15PM Feb 27, 2024Observed: 1.19 ft at 4:30PM Feb 27, 2024Observed: 1.19 ft at 4:45PM Feb 27, 2024Observed: 1.2 ft at 5:00PM Feb 27, 2024Observed: 1.19 ft at 5:15PM Feb 27, 2024Observed: 1.19 ft at 5:30PM Feb 27, 2024Observed: 1.19 ft at 5:45PM Feb 27, 2024Observed: 1.19 ft at 6:00PM Feb 27, 2024Observed: 1.18 ft at 6:15PM Feb 27, 2024Observed: 1.18 ft at 6:30PM Feb 27, 2024Observed: 1.19 ft at 6:45PM Feb 27, 2024Observed: 1.18 ft at 7:00PM Feb 27, 2024Observed: 1.18 ft at 7:15PM Feb 27, 2024Observed: 1.18 ft at 7:30PM Feb 27, 2024Observed: 1.18 ft at 7:45PM Feb 27, 2024Observed: 1.18 ft at 8:00PM Feb 27, 2024Observed: 1.18 ft at 8:15PM Feb 27, 2024Observed: 1.18 ft at 8:30PM Feb 27, 2024Observed: 1.17 ft at 8:45PM Feb 27, 2024Observed: 1.17 ft at 9:00PM Feb 27, 2024Observed: 1.17 ft at 9:15PM Feb 27, 2024Observed: 1.17 ft at 9:30PM Feb 27, 2024Observed: 1.17 ft at 9:45PM Feb 27, 2024Observed: 1.17 ft at 10:00PM Feb 27, 2024Observed: 1.17 ft at 10:15PM Feb 27, 2024Observed: 1.16 ft at 10:30PM Feb 27, 2024Observed: 1.17 ft at 10:45PM Feb 27, 2024Observed: 1.16 ft at 11:00PM Feb 27, 2024Observed: 1.16 ft at 11:15PM Feb 27, 2024Observed: 1.16 ft at 11:30PM Feb 27, 2024Observed: 1.16 ft at 11:45PM Feb 27, 2024Observed: 1.16 ft at 12:00AM Feb 28, 2024Observed: 1.16 ft at 12:15AM Feb 28, 2024Observed: 1.16 ft at 12:30AM Feb 28, 2024Observed: 1.16 ft at 12:45AM Feb 28, 2024Observed: 1.16 ft at 1:00AM Feb 28, 2024Observed: 1.15 ft at 1:15AM Feb 28, 2024Observed: 1.16 ft at 1:30AM Feb 28, 2024Observed: 1.15 ft at 1:45AM Feb 28, 2024Observed: 1.16 ft at 2:00AM Feb 28, 2024Observed: 1.15 ft at 2:15AM Feb 28, 2024Observed: 1.15 ft at 2:30AM Feb 28, 2024Observed: 1.16 ft at 2:45AM Feb 28, 2024Observed: 1.15 ft at 3:00AM Feb 28, 2024Observed: 1.15 ft at 3:15AM Feb 28, 2024Observed: 1.15 ft at 3:30AM Feb 28, 2024Observed: 1.15 ft at 3:45AM Feb 28, 2024Observed: 1.15 ft at 4:00AM Feb 28, 2024Observed: 1.15 ft at 4:15AM Feb 28, 2024Observed: 1.15 ft at 4:30AM Feb 28, 2024Observed: 1.15 ft at 4:45AM Feb 28, 2024Observed: 1.15 ft at 5:00AM Feb 28, 2024Observed: 1.15 ft at 5:15AM Feb 28, 2024Observed: 1.15 ft at 5:30AM Feb 28, 2024Observed: 1.14 ft at 5:45AM Feb 28, 2024Observed: 1.12 ft at 6:00AM Feb 28, 2024Observed: 1.09 ft at 6:15AM Feb 28, 2024Observed: 1.06 ft at 6:30AM Feb 28, 2024Observed: 1.03 ft at 6:45AM Feb 28, 2024Observed: 1.01 ft at 7:00AM Feb 28, 2024Observed: 0.98 ft at 7:15AM Feb 28, 2024Observed: 0.96 ft at 7:30AM Feb 28, 2024Observed: 0.94 ft at 7:45AM Feb 28, 2024Observed: 0.93 ft at 8:00AM Feb 28, 2024Observed: 0.91 ft at 8:15AM Feb 28, 2024Observed: 0.91 ft at 8:30AM Feb 28, 2024Observed: 0.92 ft at 8:45AM Feb 28, 2024Observed: 0.92 ft at 9:00AM Feb 28, 2024Observed: 0.94 ft at 9:15AM Feb 28, 2024Observed: 0.95 ft at 9:30AM Feb 28, 2024Observed: 0.96 ft at 9:45AM Feb 28, 2024Observed: 0.98 ft at 10:00AM Feb 28, 2024Observed: 0.99 ft at 10:15AM Feb 28, 2024Observed: 1 ft at 10:30AM Feb 28, 2024Observed: 1.01 ft at 10:45AM Feb 28, 2024Observed: 1.02 ft at 11:00AM Feb 28, 2024Observed: 1.02 ft at 11:15AM Feb 28, 2024Observed: 1.02 ft at 11:30AM Feb 28, 2024Observed: 1.02 ft at 11:45AM Feb 28, 2024Observed: 1.03 ft at 12:00PM Feb 28, 2024Observed: 1.04 ft at 12:15PM Feb 28, 2024Observed: 1.05 ft at 12:30PM Feb 28, 2024Observed: 1.06 ft at 12:45PM Feb 28, 2024Observed: 1.08 ft at 1:00PM Feb 28, 2024Observed: 1.09 ft at 1:15PM Feb 28, 2024Observed: 1.11 ft at 1:30PM Feb 28, 2024Observed: 1.12 ft at 1:45PM Feb 28, 2024Observed: 1.14 ft at 2:00PM Feb 28, 2024Observed: 1.14 ft at 2:15PM Feb 28, 2024Observed: 1.14 ft at 2:30PM Feb 28, 2024Observed: 1.14 ft at 2:45PM Feb 28, 2024Observed: 1.14 ft at 3:00PM Feb 28, 2024Observed: 1.13 ft at 3:15PM Feb 28, 2024Observed: 1.13 ft at 3:30PM Feb 28, 2024Observed: 1.12 ft at 3:45PM Feb 28, 2024Observed: 1.1 ft at 4:00PM Feb 28, 2024Observed: 1.1 ft at 4:15PM Feb 28, 2024Observed: 1.09 ft at 4:30PM Feb 28, 2024Observed: 1.09 ft at 4:45PM Feb 28, 2024Observed: 1.09 ft at 5:00PM Feb 28, 2024Observed: 1.1 ft at 5:15PM Feb 28, 2024Observed: 1.11 ft at 5:30PM Feb 28, 2024Observed: 1.13 ft at 5:45PM Feb 28, 2024Observed: 1.14 ft at 6:00PM Feb 28, 2024Observed: 1.15 ft at 6:15PM Feb 28, 2024Observed: 1.16 ft at 6:30PM Feb 28, 2024Observed: 1.16 ft at 6:45PM Feb 28, 2024Observed: 1.16 ft at 7:00PM Feb 28, 2024Observed: 1.15 ft at 7:15PM Feb 28, 2024Observed: 1.14 ft at 7:30PM Feb 28, 2024Observed: 1.14 ft at 7:45PM Feb 28, 2024Observed: 1.13 ft at 8:00PM Feb 28, 2024Observed: 1.12 ft at 8:15PM Feb 28, 2024Observed: 1.11 ft at 8:30PM Feb 28, 2024Observed: 1.11 ft at 8:45PM Feb 28, 2024Observed: 1.11 ft at 9:00PM Feb 28, 2024Observed: 1.12 ft at 9:15PM Feb 28, 2024Observed: 1.12 ft at 9:30PM Feb 28, 2024Observed: 1.13 ft at 9:45PM Feb 28, 2024Observed: 1.14 ft at 10:00PM Feb 28, 2024Observed: 1.15 ft at 10:15PM Feb 28, 2024Observed: 1.16 ft at 10:30PM Feb 28, 2024Observed: 1.17 ft at 10:45PM Feb 28, 2024Observed: 1.17 ft at 11:00PM Feb 28, 2024Observed: 1.17 ft at 11:15PM Feb 28, 2024Observed: 1.17 ft at 11:30PM Feb 28, 2024Observed: 1.17 ft at 11:45PM Feb 28, 2024Observed: 1.16 ft at 12:00AM Feb 29, 2024Observed: 1.16 ft at 12:15AM Feb 29, 2024Observed: 1.15 ft at 12:30AM Feb 29, 2024Observed: 1.12 ft at 12:45AM Feb 29, 2024Observed: 1.1 ft at 1:00AM Feb 29, 2024Observed: 1.07 ft at 1:15AM Feb 29, 2024Observed: 1.04 ft at 1:30AM Feb 29, 2024Observed: 1.02 ft at 1:45AM Feb 29, 2024Observed: 1.01 ft at 2:00AM Feb 29, 2024Observed: 1 ft at 2:15AM Feb 29, 2024Observed: 0.99 ft at 2:30AM Feb 29, 2024Observed: 0.98 ft at 2:45AM Feb 29, 2024Observed: 0.98 ft at 3:00AM Feb 29, 2024Observed: 0.97 ft at 3:15AM Feb 29, 2024Observed: 0.96 ft at 3:30AM Feb 29, 2024Observed: 0.95 ft at 3:45AM Feb 29, 2024Observed: 0.94 ft at 4:00AM Feb 29, 2024Observed: 0.93 ft at 4:15AM Feb 29, 2024Observed: 0.92 ft at 4:30AM Feb 29, 2024Observed: 0.9 ft at 4:45AM Feb 29, 2024Observed: 0.89 ft at 5:00AM Feb 29, 2024Observed: 0.88 ft at 5:15AM Feb 29, 2024Observed: 0.86 ft at 5:30AM Feb 29, 2024Observed: 0.86 ft at 5:45AM Feb 29, 2024Observed: 0.85 ft at 6:00AM Feb 29, 2024Observed: 0.85 ft at 6:15AM Feb 29, 2024Observed: 0.84 ft at 6:30AM Feb 29, 2024Observed: 0.84 ft at 6:45AM Feb 29, 2024Observed: 0.84 ft at 7:00AM Feb 29, 2024Observed: 0.84 ft at 7:15AM Feb 29, 2024Observed: 0.84 ft at 7:30AM Feb 29, 2024Observed: 0.84 ft at 7:45AM Feb 29, 2024Observed: 0.84 ft at 8:00AM Feb 29, 2024Observed: 0.85 ft at 8:15AM Feb 29, 2024Observed: 0.85 ft at 8:30AM Feb 29, 2024Observed: 0.86 ft at 8:45AM Feb 29, 2024Observed: 0.88 ft at 9:00AM Feb 29, 2024Observed: 0.9 ft at 9:15AM Feb 29, 2024Observed: 0.93 ft at 9:30AM Feb 29, 2024Observed: 0.96 ft at 9:45AM Feb 29, 2024Observed: 1 ft at 10:00AM Feb 29, 2024Observed: 1.05 ft at 10:15AM Feb 29, 2024Observed: 1.08 ft at 10:30AM Feb 29, 2024Observed: 1.11 ft at 10:45AM Feb 29, 2024Observed: 1.11 ft at 11:00AM Feb 29, 2024Observed: 1.11 ft at 11:15AM Feb 29, 2024Observed: 1.1 ft at 11:30AM Feb 29, 2024Observed: 1.08 ft at 11:45AM Feb 29, 2024Observed: 1.07 ft at 12:00PM Feb 29, 2024Observed: 1.06 ft at 12:15PM Feb 29, 2024Observed: 1.07 ft at 12:30PM Feb 29, 2024Observed: 1.07 ft at 12:45PM Feb 29, 2024Observed: 1.09 ft at 1:00PM Feb 29, 2024Observed: 1.1 ft at 1:15PM Feb 29, 2024Observed: 1.12 ft at 1:30PM Feb 29, 2024Observed: 1.13 ft at 1:45PM Feb 29, 2024Observed: 1.14 ft at 2:00PM Feb 29, 2024Observed: 1.15 ft at 2:15PM Feb 29, 2024Observed: 1.16 ft at 2:30PM Feb 29, 2024Observed: 1.17 ft at 2:45PM Feb 29, 2024Observed: 1.18 ft at 3:00PM Feb 29, 2024Observed: 1.18 ft at 3:15PM Feb 29, 2024Observed: 1.19 ft at 3:30PM Feb 29, 2024Observed: 1.2 ft at 3:45PM Feb 29, 2024Observed: 1.22 ft at 4:00PM Feb 29, 2024Observed: 1.24 ft at 4:15PM Feb 29, 2024Observed: 1.25 ft at 4:30PM Feb 29, 2024Observed: 1.25 ft at 4:45PM Feb 29, 2024Highest Observation: 1.26 ft at 5:00PM Feb 29, 2024Highest Observation: 1.26 ft at 5:15PM Feb 29, 2024Highest Observation: 1.26 ft at 5:30PM Feb 29, 2024Observed: 1.25 ft at 5:45PM Feb 29, 2024Observed: 1.25 ft at 6:00PM Feb 29, 2024Observed: 1.24 ft at 6:15PM Feb 29, 2024Observed: 1.24 ft at 6:30PM Feb 29, 2024Observed: 1.24 ft at 6:45PM Feb 29, 2024Observed: 1.24 ft at 7:00PM Feb 29, 2024Observed: 1.24 ft at 7:15PM Feb 29, 2024Observed: 1.25 ft at 7:30PM Feb 29, 2024Observed: 1.25 ft at 7:45PM Feb 29, 2024Highest Observation: 1.26 ft at 8:00PM Feb 29, 2024Highest Observation: 1.26 ft at 8:15PM Feb 29, 2024Highest Observation: 1.26 ft at 8:30PM Feb 29, 2024Highest Observation: 1.26 ft at 8:45PM Feb 29, 2024Highest Observation: 1.26 ft at 9:00PM Feb 29, 2024Highest Observation: 1.26 ft at 9:15PM Feb 29, 2024Highest Observation: 1.26 ft at 9:30PM Feb 29, 2024Observed: 1.25 ft at 9:45PM Feb 29, 2024Observed: 1.25 ft at 10:00PM Feb 29, 2024Observed: 1.24 ft at 10:15PM Feb 29, 2024Observed: 1.23 ft at 10:30PM Feb 29, 2024Observed: 1.23 ft at 10:45PM Feb 29, 2024Observed: 1.22 ft at 11:00PM Feb 29, 2024Observed: 1.22 ft at 11:15PM Feb 29, 2024Observed: 1.21 ft at 11:30PM Feb 29, 2024Observed: 1.2 ft at 11:45PM Feb 29, 2024Observed: 1.2 ft at 12:00AM Mar 01, 2024Observed: 1.19 ft at 12:15AM Mar 01, 2024Observed: 1.19 ft at 12:30AM Mar 01, 2024Observed: 1.19 ft at 12:45AM Mar 01, 2024Observed: 1.18 ft at 1:00AM Mar 01, 2024Observed: 1.18 ft at 1:15AM Mar 01, 2024Observed: 1.18 ft at 1:30AM Mar 01, 2024Observed: 1.17 ft at 1:45AM Mar 01, 2024Observed: 1.17 ft at 2:00AM Mar 01, 2024Observed: 1.17 ft at 2:15AM Mar 01, 2024Observed: 1.17 ft at 2:30AM Mar 01, 2024Observed: 1.17 ft at 2:45AM Mar 01, 2024Observed: 1.17 ft at 3:00AM Mar 01, 2024Observed: 1.17 ft at 3:15AM Mar 01, 2024Observed: 1.17 ft at 3:30AM Mar 01, 2024Observed: 1.17 ft at 3:45AM Mar 01, 2024Observed: 1.17 ft at 4:00AM Mar 01, 2024Observed: 1.17 ft at 4:15AM Mar 01, 2024Observed: 1.17 ft at 4:30AM Mar 01, 2024Observed: 1.17 ft at 4:45AM Mar 01, 2024Observed: 1.17 ft at 5:00AM Mar 01, 2024Observed: 1.17 ft at 5:15AM Mar 01, 2024Observed: 1.17 ft at 5:30AM Mar 01, 2024Observed: 1.17 ft at 5:45AM Mar 01, 2024Observed: 1.17 ft at 6:00AM Mar 01, 2024Observed: 1.17 ft at 6:15AM Mar 01, 2024Observed: 1.17 ft at 6:30AM Mar 01, 2024Observed: 1.17 ft at 6:45AM Mar 01, 2024Observed: 1.17 ft at 7:00AM Mar 01, 2024Observed: 1.16 ft at 7:15AM Mar 01, 2024Observed: 1.16 ft at 7:30AM Mar 01, 2024Observed: 1.16 ft at 7:45AM Mar 01, 2024Observed: 1.16 ft at 8:00AM Mar 01, 2024Observed: 1.16 ft at 8:15AM Mar 01, 2024Observed: 1.16 ft at 8:30AM Mar 01, 2024Observed: 1.16 ft at 8:45AM Mar 01, 2024Observed: 1.16 ft at 9:00AM Mar 01, 2024Observed: 1.16 ft at 9:15AM Mar 01, 2024Observed: 1.16 ft at 9:30AM Mar 01, 2024Observed: 1.16 ft at 9:45AM Mar 01, 2024Observed: 1.15 ft at 10:00AM Mar 01, 2024Observed: 1.15 ft at 10:15AM Mar 01, 2024Observed: 1.15 ft at 10:30AM Mar 01, 2024Observed: 1.15 ft at 10:45AM Mar 01, 2024Observed: 1.15 ft at 11:00AM Mar 01, 2024Observed: 1.15 ft at 11:15AM Mar 01, 2024Observed: 1.15 ft at 11:30AM Mar 01, 2024Observed: 1.15 ft at 11:45AM Mar 01, 2024Observed: 1.15 ft at 12:00PM Mar 01, 2024Observed: 1.15 ft at 12:15PM Mar 01, 2024Observed: 1.15 ft at 12:30PM Mar 01, 2024Observed: 1.15 ft at 12:45PM Mar 01, 2024Observed: 1.15 ft at 1:00PM Mar 01, 2024Observed: 1.15 ft at 1:15PM Mar 01, 2024Observed: 1.16 ft at 1:30PM Mar 01, 2024Observed: 1.15 ft at 1:45PM Mar 01, 2024Observed: 1.15 ft at 2:00PM Mar 01, 2024Observed: 1.15 ft at 2:15PM Mar 01, 2024Observed: 1.15 ft at 2:30PM Mar 01, 2024Observed: 1.15 ft at 2:45PM Mar 01, 2024Observed: 1.15 ft at 3:00PM Mar 01, 2024Observed: 1.15 ft at 3:15PM Mar 01, 2024Observed: 1.15 ft at 3:30PM Mar 01, 2024Observed: 1.15 ft at 3:45PM Mar 01, 2024Observed: 1.15 ft at 4:00PM Mar 01, 2024Observed: 1.15 ft at 4:15PM Mar 01, 2024Observed: 1.14 ft at 4:30PM Mar 01, 2024Observed: 1.15 ft at 4:45PM Mar 01, 2024Observed: 1.15 ft at 5:00PM Mar 01, 2024Observed: 1.14 ft at 5:15PM Mar 01, 2024Observed: 1.14 ft at 5:30PM Mar 01, 2024Observed: 1.14 ft at 5:45PM Mar 01, 2024Observed: 1.14 ft at 6:00PM Mar 01, 2024Observed: 1.14 ft at 6:15PM Mar 01, 2024Observed: 1.14 ft at 6:30PM Mar 01, 2024Observed: 1.14 ft at 6:45PM Mar 01, 2024Observed: 1.14 ft at 7:00PM Mar 01, 2024Observed: 1.14 ft at 7:15PM Mar 01, 2024Observed: 1.14 ft at 7:30PM Mar 01, 2024Observed: 1.14 ft at 7:45PM Mar 01, 2024Observed: 1.14 ft at 8:00PM Mar 01, 2024Observed: 1.14 ft at 8:15PM Mar 01, 2024Observed: 1.14 ft at 8:30PM Mar 01, 2024Observed: 1.14 ft at 8:45PM Mar 01, 2024Observed: 1.14 ft at 9:00PM Mar 01, 2024USGS--Water Resources of the United StatesAMWI4(plotting HGIRP) Graph Created (10:03PM Mar 1, 2024)ObservedLatest observed value: 1.14 ft at 9:00 PM CST 1-Mar-2024. Flood Stage is 10 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Ioway Creek at Ames Lincoln Way are issued as needed during times of high water, but are not routinely available.

More information on datums is available at www.ngs.noaa.gov/faq.shtml

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Upstream Gauge - at IFC--Ames Stange Rd Upstream Gauge Downstream Gauge Downstream Gauge - at IFC--Ames S Duff Ave
Flood Categories (in feet)
Major Flood Stage: 15.5
Moderate Flood Stage: 14
Flood Stage: 10
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 18.54 ft on 07/09/1993
(2) 18.13 ft on 08/11/2010
(3) 15.97 ft on 06/17/1990
(4) 15.85 ft on 05/30/2008
(5) 15.29 ft on 06/17/1996
(6) 14.50 ft on 06/04/1918
(7) 14.00 ft on 06/27/1975
(8) 12.97 ft on 06/13/1984
(9) 12.19 ft on 06/15/2018
(10) 11.81 ft on 03/19/1979
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.69 ft on 06/15/2022
(2) 0.00 ft on 03/04/2021
(3) 2.93 ft on 03/03/2021
(4) 5.44 ft on 05/27/2020
(5) 10.68 ft on 03/14/2019
(6) 12.19 ft on 06/15/2018
(7) 5.09 ft on 05/01/2017
(8) 6.67 ft on 01/19/2017
(9) 10.36 ft on 12/15/2015
(10) 10.69 ft on 08/29/2015
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:14
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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
18.5 Water reaches the perimeter fence at Furman Aquatic Center...located at 1635 13th Street.
17.3 Stange Road is overtopped north of Ioway Creek. The Meadow Lane trailer park floods.
17.1 Water affects the Iowa State Lied Recreation Center.
16.4 Water affects the Maple...Willow and Larch dormitories on the Iowa State University campus.
15.8 Water covers Lincoln Way and University Avenue. Water also reaches the top of the curb in front the Target store...located at 320 South Duff Avenue.
15.5 Water affects Lincoln Way west of the bridge over Ioway Creek.
15.1 Water affects the Scheman Building and Hilton Coliseum. South Duff Avenue is closed between Ioway Creek and South 3rd Street.
14.5 Water reaches the CyRide building...located at the northeast corner of 1700 University Boulevard.
14.4 Water covers South Duff Avenue. Water also affects the Timbercreek Apartments...located at 610 Ioway Creek Drive.
13.8 Water affects the Tall Timber Apartments...located at 644 Ioway Creek Drive.
13.5 Water covers 6th Street near Brookside Park.
13.3 Water covers the road at 6th Street through the railroad underpass...in the Brookside Park area.
13.2 Water is in the parking lots of apartments along South 5th Street.
13 Water affects the South 4th Street bridge.
12 Water is in the parking lots of apartments along Stonehaven Drive. The Veenker Golf Course Shed is threatened.
10.4 Water affects lowlands around South 4th Street.
9.7 West 190th Street is flooded where it crosses Ioway Creek...west of the intersection with 510th Street...or 2 1/2 miles southwest of Gilbert.
9 Water primarily affects low lying areas near the stream.
About This Location Collapse

Latitude: 42.022556° N, Longitude: 93.630500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10 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 881.00 ft 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:

Additional Information Collapse
  • USGS 7-Day Streamflow Duration Hydrograph for this location:
    Duration Hydrograph

    Duration Hydrograph Legend


  • USGS Cumulative Streamflow Hydrograph for this location:
    Duration Hydrograph of Cumulative Streamflow
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
Des Moines Weather Forecast Office
9607 NW Beaver Dr.
Des Moines, IA 50131
(515) 270-2614
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Page last modified: 2-Nov-2020 7:29 PM
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