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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
Ioway Creek at Ames Lincoln Way Stage (ft)Flow (cfs)Observed: 0.67 ft at 6:45PM Sep 16, 2023Observed: 0.67 ft at 7:00PM Sep 16, 2023Observed: 0.66 ft at 7:15PM Sep 16, 2023Observed: 0.66 ft at 7:30PM Sep 16, 2023Observed: 0.66 ft at 7:45PM Sep 16, 2023Observed: 0.66 ft at 8:00PM Sep 16, 2023Observed: 0.65 ft at 8:15PM Sep 16, 2023Observed: 0.65 ft at 8:30PM Sep 16, 2023Observed: 0.65 ft at 8:45PM Sep 16, 2023Observed: 0.65 ft at 9:00PM Sep 16, 2023Observed: 0.65 ft at 9:15PM Sep 16, 2023Observed: 0.65 ft at 9:30PM Sep 16, 2023Observed: 0.65 ft at 9:45PM Sep 16, 2023Observed: 0.65 ft at 10:00PM Sep 16, 2023Observed: 0.64 ft at 10:15PM Sep 16, 2023Observed: 0.65 ft at 10:30PM Sep 16, 2023Observed: 0.65 ft at 10:45PM Sep 16, 2023Observed: 0.64 ft at 11:00PM Sep 16, 2023Observed: 0.65 ft at 11:15PM Sep 16, 2023Observed: 0.65 ft at 11:30PM Sep 16, 2023Observed: 0.65 ft at 11:45PM Sep 16, 2023Observed: 0.64 ft at 12:00AM Sep 17, 2023Observed: 0.65 ft at 12:15AM Sep 17, 2023Observed: 0.65 ft at 12:30AM Sep 17, 2023Observed: 0.65 ft at 12:45AM Sep 17, 2023Observed: 0.65 ft at 1:00AM Sep 17, 2023Observed: 0.65 ft at 1:15AM Sep 17, 2023Observed: 0.65 ft at 1:30AM Sep 17, 2023Observed: 0.65 ft at 1:45AM Sep 17, 2023Observed: 0.65 ft at 2:00AM Sep 17, 2023Observed: 0.65 ft at 2:15AM Sep 17, 2023Observed: 0.65 ft at 2:30AM Sep 17, 2023Observed: 0.65 ft at 2:45AM Sep 17, 2023Observed: 0.65 ft at 3:00AM Sep 17, 2023Observed: 0.65 ft at 3:15AM Sep 17, 2023Observed: 0.65 ft at 3:30AM Sep 17, 2023Observed: 0.65 ft at 3:45AM Sep 17, 2023Observed: 0.64 ft at 4:00AM Sep 17, 2023Observed: 0.64 ft at 4:15AM Sep 17, 2023Observed: 0.64 ft at 4:30AM Sep 17, 2023Observed: 0.64 ft at 4:45AM Sep 17, 2023Observed: 0.64 ft at 5:00AM Sep 17, 2023Observed: 0.65 ft at 5:15AM Sep 17, 2023Observed: 0.65 ft at 5:30AM Sep 17, 2023Observed: 0.65 ft at 5:45AM Sep 17, 2023Observed: 0.65 ft at 6:00AM Sep 17, 2023Observed: 0.65 ft at 6:15AM Sep 17, 2023Observed: 0.65 ft at 6:30AM Sep 17, 2023Observed: 0.65 ft at 6:45AM Sep 17, 2023Observed: 0.65 ft at 7:00AM Sep 17, 2023Observed: 0.65 ft at 7:15AM Sep 17, 2023Observed: 0.65 ft at 7:30AM Sep 17, 2023Observed: 0.65 ft at 7:45AM Sep 17, 2023Observed: 0.65 ft at 8:00AM Sep 17, 2023Observed: 0.65 ft at 8:15AM Sep 17, 2023Observed: 0.65 ft at 8:30AM Sep 17, 2023Observed: 0.65 ft at 8:45AM Sep 17, 2023Observed: 0.65 ft at 9:00AM Sep 17, 2023Observed: 0.64 ft at 9:15AM Sep 17, 2023Observed: 0.65 ft at 9:30AM Sep 17, 2023Observed: 0.65 ft at 9:45AM Sep 17, 2023Observed: 0.64 ft at 10:00AM Sep 17, 2023Observed: 0.64 ft at 10:15AM Sep 17, 2023Observed: 0.64 ft at 10:30AM Sep 17, 2023Observed: 0.64 ft at 10:45AM Sep 17, 2023Observed: 0.64 ft at 11:00AM Sep 17, 2023Observed: 0.65 ft at 11:15AM Sep 17, 2023Observed: 0.64 ft at 11:30AM Sep 17, 2023Observed: 0.64 ft at 11:45AM Sep 17, 2023Observed: 0.64 ft at 12:00PM Sep 17, 2023Observed: 0.64 ft at 12:15PM Sep 17, 2023Observed: 0.64 ft at 12:30PM Sep 17, 2023Observed: 0.64 ft at 12:45PM Sep 17, 2023Observed: 0.65 ft at 1:00PM Sep 17, 2023Observed: 0.64 ft at 1:15PM Sep 17, 2023Observed: 0.64 ft at 1:30PM Sep 17, 2023Observed: 0.65 ft at 1:45PM Sep 17, 2023Observed: 0.65 ft at 2:00PM Sep 17, 2023Observed: 0.65 ft at 2:15PM Sep 17, 2023Observed: 0.65 ft at 2:30PM Sep 17, 2023Observed: 0.65 ft at 2:45PM Sep 17, 2023Observed: 0.65 ft at 3:00PM Sep 17, 2023Observed: 0.65 ft at 3:15PM Sep 17, 2023Observed: 0.65 ft at 3:30PM Sep 17, 2023Observed: 0.65 ft at 3:45PM Sep 17, 2023Observed: 0.65 ft at 4:00PM Sep 17, 2023Observed: 0.65 ft at 4:15PM Sep 17, 2023Observed: 0.65 ft at 4:30PM Sep 17, 2023Observed: 0.65 ft at 4:45PM Sep 17, 2023Observed: 0.65 ft at 5:00PM Sep 17, 2023Observed: 0.65 ft at 5:15PM Sep 17, 2023Observed: 0.65 ft at 5:30PM Sep 17, 2023Observed: 0.65 ft at 5:45PM Sep 17, 2023Observed: 0.65 ft at 6:00PM Sep 17, 2023Observed: 0.66 ft at 6:15PM Sep 17, 2023Observed: 0.66 ft at 6:30PM Sep 17, 2023Observed: 0.66 ft at 6:45PM Sep 17, 2023Observed: 0.66 ft at 7:00PM Sep 17, 2023Observed: 0.66 ft at 7:15PM Sep 17, 2023Observed: 0.66 ft at 7:30PM Sep 17, 2023Observed: 0.66 ft at 7:45PM Sep 17, 2023Observed: 0.67 ft at 8:00PM Sep 17, 2023Observed: 0.67 ft at 8:15PM Sep 17, 2023Observed: 0.67 ft at 8:30PM Sep 17, 2023Observed: 0.67 ft at 8:45PM Sep 17, 2023Observed: 0.67 ft at 9:00PM Sep 17, 2023Observed: 0.67 ft at 9:15PM Sep 17, 2023Observed: 0.67 ft at 9:30PM Sep 17, 2023Observed: 0.67 ft at 9:45PM Sep 17, 2023Observed: 0.67 ft at 10:00PM Sep 17, 2023Observed: 0.67 ft at 10:15PM Sep 17, 2023Observed: 0.67 ft at 10:30PM Sep 17, 2023Observed: 0.67 ft at 10:45PM Sep 17, 2023Observed: 0.67 ft at 11:00PM Sep 17, 2023Observed: 0.67 ft at 11:15PM Sep 17, 2023Observed: 0.66 ft at 11:30PM Sep 17, 2023Observed: 0.66 ft at 11:45PM Sep 17, 2023Observed: 0.66 ft at 12:00AM Sep 18, 2023Observed: 0.66 ft at 12:15AM Sep 18, 2023Observed: 0.66 ft at 12:30AM Sep 18, 2023Observed: 0.66 ft at 12:45AM Sep 18, 2023Observed: 0.66 ft at 1:00AM Sep 18, 2023Observed: 0.66 ft at 1:15AM Sep 18, 2023Observed: 0.66 ft at 1:30AM Sep 18, 2023Observed: 0.65 ft at 1:45AM Sep 18, 2023Observed: 0.65 ft at 2:00AM Sep 18, 2023Observed: 0.65 ft at 2:15AM Sep 18, 2023Observed: 0.65 ft at 2:30AM Sep 18, 2023Observed: 0.65 ft at 2:45AM Sep 18, 2023Observed: 0.65 ft at 3:00AM Sep 18, 2023Observed: 0.65 ft at 3:15AM Sep 18, 2023Observed: 0.65 ft at 3:30AM Sep 18, 2023Observed: 0.65 ft at 3:45AM Sep 18, 2023Observed: 0.65 ft at 4:00AM Sep 18, 2023Observed: 0.64 ft at 4:15AM Sep 18, 2023Observed: 0.64 ft at 4:30AM Sep 18, 2023Observed: 0.64 ft at 4:45AM Sep 18, 2023Observed: 0.64 ft at 5:00AM Sep 18, 2023Observed: 0.64 ft at 5:15AM Sep 18, 2023Observed: 0.64 ft at 5:30AM Sep 18, 2023Observed: 0.64 ft at 5:45AM Sep 18, 2023Observed: 0.64 ft at 6:00AM Sep 18, 2023Observed: 0.64 ft at 6:15AM Sep 18, 2023Observed: 0.64 ft at 6:30AM Sep 18, 2023Observed: 0.64 ft at 6:45AM Sep 18, 2023Observed: 0.63 ft at 7:00AM Sep 18, 2023Observed: 0.63 ft at 7:15AM Sep 18, 2023Observed: 0.63 ft at 7:30AM Sep 18, 2023Observed: 0.63 ft at 7:45AM Sep 18, 2023Observed: 0.63 ft at 8:00AM Sep 18, 2023Observed: 0.63 ft at 8:15AM Sep 18, 2023Observed: 0.63 ft at 8:30AM Sep 18, 2023Observed: 0.63 ft at 8:45AM Sep 18, 2023Observed: 0.63 ft at 9:00AM Sep 18, 2023Observed: 0.63 ft at 9:15AM Sep 18, 2023Observed: 0.63 ft at 9:30AM Sep 18, 2023Observed: 0.64 ft at 9:45AM Sep 18, 2023Observed: 0.64 ft at 10:00AM Sep 18, 2023Observed: 0.65 ft at 10:15AM Sep 18, 2023Observed: 0.66 ft at 10:30AM Sep 18, 2023Observed: 0.68 ft at 10:45AM Sep 18, 2023Observed: 0.69 ft at 11:00AM Sep 18, 2023Observed: 0.7 ft at 11:15AM Sep 18, 2023Observed: 0.71 ft at 11:30AM Sep 18, 2023Observed: 0.72 ft at 11:45AM Sep 18, 2023Observed: 0.72 ft at 12:00PM Sep 18, 2023Observed: 0.7 ft at 2:45PM Sep 18, 2023Observed: 0.69 ft at 3:00PM Sep 18, 2023Observed: 0.69 ft at 3:15PM Sep 18, 2023Observed: 0.68 ft at 3:30PM Sep 18, 2023Observed: 0.68 ft at 3:45PM Sep 18, 2023Observed: 0.68 ft at 4:00PM Sep 18, 2023Observed: 0.68 ft at 4:15PM Sep 18, 2023Observed: 0.67 ft at 4:30PM Sep 18, 2023Observed: 0.67 ft at 4:45PM Sep 18, 2023Observed: 0.66 ft at 5:00PM Sep 18, 2023Observed: 0.66 ft at 5:15PM Sep 18, 2023Observed: 0.66 ft at 5:30PM Sep 18, 2023Observed: 0.65 ft at 5:45PM Sep 18, 2023Observed: 0.66 ft at 6:00PM Sep 18, 2023Observed: 0.65 ft at 6:15PM Sep 18, 2023Observed: 0.65 ft at 6:30PM Sep 18, 2023Observed: 0.65 ft at 6:45PM Sep 18, 2023Observed: 0.64 ft at 7:00PM Sep 18, 2023Observed: 0.64 ft at 7:15PM Sep 18, 2023Observed: 0.64 ft at 7:30PM Sep 18, 2023Observed: 0.64 ft at 7:45PM Sep 18, 2023Observed: 0.64 ft at 8:00PM Sep 18, 2023Observed: 0.63 ft at 8:15PM Sep 18, 2023Observed: 0.63 ft at 8:30PM Sep 18, 2023Observed: 0.63 ft at 8:45PM Sep 18, 2023Observed: 0.63 ft at 9:00PM Sep 18, 2023Observed: 0.63 ft at 9:15PM Sep 18, 2023Observed: 0.63 ft at 9:30PM Sep 18, 2023Observed: 0.62 ft at 9:45PM Sep 18, 2023Observed: 0.62 ft at 10:00PM Sep 18, 2023Observed: 0.62 ft at 10:15PM Sep 18, 2023Observed: 0.62 ft at 10:30PM Sep 18, 2023Observed: 0.62 ft at 10:45PM Sep 18, 2023Observed: 0.62 ft at 11:00PM Sep 18, 2023Observed: 0.62 ft at 11:15PM Sep 18, 2023Observed: 0.61 ft at 11:30PM Sep 18, 2023Observed: 0.61 ft at 11:45PM Sep 18, 2023Observed: 0.61 ft at 12:00AM Sep 19, 2023Observed: 0.61 ft at 12:15AM Sep 19, 2023Observed: 0.61 ft at 12:30AM Sep 19, 2023Observed: 0.61 ft at 12:45AM Sep 19, 2023Observed: 0.61 ft at 1:00AM Sep 19, 2023Observed: 0.61 ft at 1:15AM Sep 19, 2023Observed: 0.61 ft at 1:30AM Sep 19, 2023Observed: 0.61 ft at 1:45AM Sep 19, 2023Observed: 0.62 ft at 2:00AM Sep 19, 2023Observed: 0.61 ft at 2:15AM Sep 19, 2023Observed: 0.62 ft at 2:30AM Sep 19, 2023Observed: 0.62 ft at 2:45AM Sep 19, 2023Observed: 0.62 ft at 3:00AM Sep 19, 2023Observed: 0.63 ft at 3:15AM Sep 19, 2023Observed: 0.63 ft at 3:30AM Sep 19, 2023Observed: 0.63 ft at 3:45AM Sep 19, 2023Observed: 0.63 ft at 4:00AM Sep 19, 2023Observed: 0.63 ft at 4:15AM Sep 19, 2023Observed: 0.63 ft at 4:30AM Sep 19, 2023Observed: 0.63 ft at 4:45AM Sep 19, 2023Observed: 0.63 ft at 5:00AM Sep 19, 2023Observed: 0.63 ft at 5:15AM Sep 19, 2023Observed: 0.64 ft at 5:30AM Sep 19, 2023Observed: 0.64 ft at 5:45AM Sep 19, 2023Observed: 0.66 ft at 6:00AM Sep 19, 2023Observed: 0.68 ft at 6:15AM Sep 19, 2023Observed: 0.75 ft at 6:30AM Sep 19, 2023Observed: 0.84 ft at 6:45AM Sep 19, 2023Observed: 0.94 ft at 7:00AM Sep 19, 2023Observed: 0.98 ft at 7:15AM Sep 19, 2023Observed: 0.99 ft at 7:30AM Sep 19, 2023Observed: 1.02 ft at 7:45AM Sep 19, 2023Observed: 1.05 ft at 8:00AM Sep 19, 2023Observed: 1.05 ft at 8:15AM Sep 19, 2023Observed: 1.04 ft at 8:30AM Sep 19, 2023Observed: 1.06 ft at 8:45AM Sep 19, 2023Observed: 1.12 ft at 9:00AM Sep 19, 2023Observed: 1.16 ft at 9:15AM Sep 19, 2023Observed: 1.17 ft at 9:30AM Sep 19, 2023Observed: 1.17 ft at 9:45AM Sep 19, 2023Observed: 1.17 ft at 10:00AM Sep 19, 2023Observed: 1.16 ft at 10:15AM Sep 19, 2023Observed: 1.14 ft at 10:30AM Sep 19, 2023Observed: 1.12 ft at 10:45AM Sep 19, 2023Observed: 1.1 ft at 11:00AM Sep 19, 2023Observed: 1.09 ft at 11:15AM Sep 19, 2023Observed: 1.09 ft at 11:30AM Sep 19, 2023Observed: 1.11 ft at 11:45AM Sep 19, 2023Observed: 1.1 ft at 12:00PM Sep 19, 2023Observed: 1.12 ft at 12:15PM Sep 19, 2023Observed: 1.18 ft at 12:30PM Sep 19, 2023Observed: 1.27 ft at 12:45PM Sep 19, 2023Observed: 1.31 ft at 1:00PM Sep 19, 2023Observed: 1.3 ft at 1:15PM Sep 19, 2023Observed: 1.26 ft at 1:30PM Sep 19, 2023Observed: 1.29 ft at 1:45PM Sep 19, 2023Observed: 1.33 ft at 2:00PM Sep 19, 2023Highest Observation: 1.34 ft at 2:15PM Sep 19, 2023Observed: 1.33 ft at 2:30PM Sep 19, 2023Observed: 1.3 ft at 2:45PM Sep 19, 2023Observed: 1.26 ft at 3:00PM Sep 19, 2023Observed: 1.23 ft at 3:15PM Sep 19, 2023Observed: 1.2 ft at 3:30PM Sep 19, 2023Observed: 1.19 ft at 3:45PM Sep 19, 2023Observed: 1.17 ft at 4:00PM Sep 19, 2023Observed: 1.15 ft at 4:15PM Sep 19, 2023Observed: 1.13 ft at 4:30PM Sep 19, 2023Observed: 1.12 ft at 4:45PM Sep 19, 2023Observed: 1.11 ft at 5:00PM Sep 19, 2023Observed: 1.1 ft at 5:15PM Sep 19, 2023Observed: 1.11 ft at 5:30PM Sep 19, 2023Observed: 1.1 ft at 5:45PM Sep 19, 2023Observed: 1.08 ft at 6:00PM Sep 19, 2023Observed: 1.07 ft at 6:15PM Sep 19, 2023Observed: 1.05 ft at 6:30PM Sep 19, 2023Observed: 1.03 ft at 6:45PM Sep 19, 2023Observed: 1.01 ft at 7:00PM Sep 19, 2023Observed: 0.99 ft at 7:15PM Sep 19, 2023Observed: 0.98 ft at 7:30PM Sep 19, 2023Observed: 0.97 ft at 7:45PM Sep 19, 2023Observed: 0.96 ft at 8:00PM Sep 19, 2023Observed: 0.95 ft at 8:15PM Sep 19, 2023Observed: 0.95 ft at 8:30PM Sep 19, 2023Observed: 0.94 ft at 8:45PM Sep 19, 2023Observed: 0.93 ft at 9:00PM Sep 19, 2023Observed: 0.92 ft at 9:15PM Sep 19, 2023Observed: 0.92 ft at 9:30PM Sep 19, 2023Observed: 0.91 ft at 9:45PM Sep 19, 2023Observed: 0.91 ft at 10:00PM Sep 19, 2023Observed: 0.91 ft at 10:15PM Sep 19, 2023Observed: 0.91 ft at 10:30PM Sep 19, 2023Observed: 0.91 ft at 10:45PM Sep 19, 2023Observed: 0.9 ft at 11:00PM Sep 19, 2023Observed: 0.9 ft at 11:15PM Sep 19, 2023Observed: 0.9 ft at 11:30PM Sep 19, 2023Observed: 0.9 ft at 11:45PM Sep 19, 2023Observed: 0.9 ft at 12:00AM Sep 20, 2023Observed: 0.89 ft at 12:15AM Sep 20, 2023Observed: 0.89 ft at 12:30AM Sep 20, 2023Observed: 0.88 ft at 12:45AM Sep 20, 2023Observed: 0.88 ft at 1:00AM Sep 20, 2023Observed: 0.88 ft at 1:15AM Sep 20, 2023Observed: 0.88 ft at 1:30AM Sep 20, 2023Observed: 0.87 ft at 1:45AM Sep 20, 2023Observed: 0.87 ft at 2:00AM Sep 20, 2023Observed: 0.86 ft at 2:15AM Sep 20, 2023Observed: 0.86 ft at 2:30AM Sep 20, 2023Observed: 0.85 ft at 2:45AM Sep 20, 2023Observed: 0.85 ft at 3:00AM Sep 20, 2023Observed: 0.85 ft at 3:15AM Sep 20, 2023Observed: 0.84 ft at 3:30AM Sep 20, 2023Observed: 0.84 ft at 3:45AM Sep 20, 2023Observed: 0.84 ft at 4:00AM Sep 20, 2023Observed: 0.83 ft at 4:15AM Sep 20, 2023Observed: 0.84 ft at 4:30AM Sep 20, 2023Observed: 0.84 ft at 4:45AM Sep 20, 2023Observed: 0.84 ft at 5:00AM Sep 20, 2023Observed: 0.83 ft at 5:15AM Sep 20, 2023Observed: 0.83 ft at 5:30AM Sep 20, 2023Observed: 0.83 ft at 5:45AM Sep 20, 2023Observed: 0.83 ft at 6:00AM Sep 20, 2023Observed: 0.83 ft at 6:15AM Sep 20, 2023Observed: 0.83 ft at 6:30AM Sep 20, 2023Observed: 0.83 ft at 6:45AM Sep 20, 2023Observed: 0.83 ft at 7:00AM Sep 20, 2023Observed: 0.83 ft at 7:15AM Sep 20, 2023Observed: 0.83 ft at 7:30AM Sep 20, 2023Observed: 0.84 ft at 7:45AM Sep 20, 2023Observed: 0.84 ft at 8:00AM Sep 20, 2023Observed: 0.84 ft at 8:15AM Sep 20, 2023Observed: 0.83 ft at 8:30AM Sep 20, 2023Observed: 0.83 ft at 8:45AM Sep 20, 2023Observed: 0.83 ft at 9:00AM Sep 20, 2023Observed: 0.83 ft at 9:15AM Sep 20, 2023Observed: 0.83 ft at 9:30AM Sep 20, 2023Observed: 0.83 ft at 9:45AM Sep 20, 2023Observed: 0.82 ft at 10:00AM Sep 20, 2023Observed: 0.82 ft at 10:15AM Sep 20, 2023Observed: 0.82 ft at 10:30AM Sep 20, 2023Observed: 0.82 ft at 10:45AM Sep 20, 2023Observed: 0.82 ft at 11:00AM Sep 20, 2023Observed: 0.82 ft at 11:15AM Sep 20, 2023Observed: 0.82 ft at 11:30AM Sep 20, 2023Observed: 0.81 ft at 11:45AM Sep 20, 2023Observed: 0.81 ft at 12:00PM Sep 20, 2023Observed: 0.81 ft at 12:15PM Sep 20, 2023Observed: 0.8 ft at 12:30PM Sep 20, 2023Observed: 0.8 ft at 12:45PM Sep 20, 2023Observed: 0.8 ft at 1:00PM Sep 20, 2023Observed: 0.8 ft at 1:15PM Sep 20, 2023Observed: 0.79 ft at 1:30PM Sep 20, 2023Observed: 0.79 ft at 1:45PM Sep 20, 2023Observed: 0.79 ft at 2:00PM Sep 20, 2023Observed: 0.79 ft at 2:15PM Sep 20, 2023Observed: 0.79 ft at 2:30PM Sep 20, 2023Observed: 0.79 ft at 2:45PM Sep 20, 2023Observed: 0.78 ft at 3:00PM Sep 20, 2023Observed: 0.78 ft at 3:15PM Sep 20, 2023Observed: 0.78 ft at 3:30PM Sep 20, 2023Observed: 0.78 ft at 3:45PM Sep 20, 2023Observed: 0.78 ft at 4:00PM Sep 20, 2023Observed: 0.77 ft at 4:15PM Sep 20, 2023Observed: 0.77 ft at 4:30PM Sep 20, 2023Observed: 0.77 ft at 4:45PM Sep 20, 2023Observed: 0.77 ft at 5:00PM Sep 20, 2023Observed: 0.77 ft at 5:15PM Sep 20, 2023Observed: 0.77 ft at 5:30PM Sep 20, 2023Observed: 0.76 ft at 5:45PM Sep 20, 2023Observed: 0.76 ft at 6:00PM Sep 20, 2023Observed: 0.76 ft at 6:15PM Sep 20, 2023Observed: 0.76 ft at 6:30PM Sep 20, 2023Observed: 0.76 ft at 6:45PM Sep 20, 2023Observed: 0.75 ft at 7:00PM Sep 20, 2023Observed: 0.75 ft at 7:15PM Sep 20, 2023Observed: 0.75 ft at 7:30PM Sep 20, 2023Observed: 0.75 ft at 7:45PM Sep 20, 2023Observed: 0.74 ft at 8:00PM Sep 20, 2023Observed: 0.74 ft at 8:15PM Sep 20, 2023Observed: 0.74 ft at 8:30PM Sep 20, 2023Observed: 0.74 ft at 8:45PM Sep 20, 2023Observed: 0.74 ft at 9:00PM Sep 20, 2023Observed: 0.73 ft at 9:15PM Sep 20, 2023Observed: 0.73 ft at 9:30PM Sep 20, 2023Observed: 0.73 ft at 9:45PM Sep 20, 2023Observed: 0.73 ft at 10:00PM Sep 20, 2023Observed: 0.73 ft at 10:15PM Sep 20, 2023Observed: 0.73 ft at 10:30PM Sep 20, 2023Observed: 0.73 ft at 10:45PM Sep 20, 2023Observed: 0.73 ft at 11:00PM Sep 20, 2023Observed: 0.73 ft at 11:15PM Sep 20, 2023Observed: 0.72 ft at 11:30PM Sep 20, 2023Observed: 0.72 ft at 11:45PM Sep 20, 2023Observed: 0.72 ft at 12:00AM Sep 21, 2023Observed: 0.72 ft at 12:15AM Sep 21, 2023Observed: 0.72 ft at 12:30AM Sep 21, 2023Observed: 0.72 ft at 12:45AM Sep 21, 2023Observed: 0.72 ft at 1:00AM Sep 21, 2023Observed: 0.72 ft at 1:15AM Sep 21, 2023Observed: 0.72 ft at 1:30AM Sep 21, 2023Observed: 0.71 ft at 1:45AM Sep 21, 2023Observed: 0.71 ft at 2:00AM Sep 21, 2023Observed: 0.71 ft at 2:15AM Sep 21, 2023Observed: 0.71 ft at 2:30AM Sep 21, 2023Observed: 0.71 ft at 2:45AM Sep 21, 2023Observed: 0.72 ft at 3:00AM Sep 21, 2023Observed: 0.72 ft at 3:15AM Sep 21, 2023Observed: 0.72 ft at 3:30AM Sep 21, 2023Observed: 0.71 ft at 3:45AM Sep 21, 2023Observed: 0.71 ft at 4:00AM Sep 21, 2023Observed: 0.71 ft at 4:15AM Sep 21, 2023Observed: 0.71 ft at 4:30AM Sep 21, 2023Observed: 0.71 ft at 4:45AM Sep 21, 2023Observed: 0.71 ft at 5:00AM Sep 21, 2023Observed: 0.71 ft at 5:15AM Sep 21, 2023Observed: 0.71 ft at 5:30AM Sep 21, 2023Observed: 0.7 ft at 5:45AM Sep 21, 2023Observed: 0.7 ft at 6:00AM Sep 21, 2023Observed: 0.7 ft at 6:15AM Sep 21, 2023Observed: 0.7 ft at 6:30AM Sep 21, 2023Observed: 0.7 ft at 6:45AM Sep 21, 2023Observed: 0.7 ft at 7:00AM Sep 21, 2023Observed: 0.7 ft at 7:15AM Sep 21, 2023Observed: 0.7 ft at 7:30AM Sep 21, 2023Observed: 0.7 ft at 7:45AM Sep 21, 2023Observed: 0.7 ft at 8:00AM Sep 21, 2023Observed: 0.7 ft at 8:15AM Sep 21, 2023Observed: 0.7 ft at 8:30AM Sep 21, 2023Observed: 0.69 ft at 8:45AM Sep 21, 2023Observed: 0.69 ft at 9:00AM Sep 21, 2023Observed: 0.69 ft at 9:15AM Sep 21, 2023Observed: 0.69 ft at 9:30AM Sep 21, 2023Observed: 0.69 ft at 9:45AM Sep 21, 2023Observed: 0.69 ft at 10:00AM Sep 21, 2023Observed: 0.69 ft at 10:15AM Sep 21, 2023Observed: 0.69 ft at 10:30AM Sep 21, 2023Observed: 0.69 ft at 10:45AM Sep 21, 2023Observed: 0.69 ft at 11:00AM Sep 21, 2023Observed: 0.69 ft at 11:15AM Sep 21, 2023Observed: 0.7 ft at 11:30AM Sep 21, 2023Observed: 0.7 ft at 11:45AM Sep 21, 2023Observed: 0.7 ft at 12:00PM Sep 21, 2023Observed: 0.7 ft at 12:15PM Sep 21, 2023Observed: 0.7 ft at 12:30PM Sep 21, 2023Observed: 0.7 ft at 12:45PM Sep 21, 2023Observed: 0.7 ft at 1:00PM Sep 21, 2023Observed: 0.71 ft at 1:15PM Sep 21, 2023Observed: 0.7 ft at 1:30PM Sep 21, 2023Observed: 0.7 ft at 1:45PM Sep 21, 2023Observed: 0.7 ft at 2:00PM Sep 21, 2023Observed: 0.7 ft at 2:15PM Sep 21, 2023Observed: 0.7 ft at 2:30PM Sep 21, 2023Observed: 0.7 ft at 2:45PM Sep 21, 2023Observed: 0.69 ft at 3:00PM Sep 21, 2023Observed: 0.69 ft at 3:15PM Sep 21, 2023Observed: 0.69 ft at 3:30PM Sep 21, 2023Observed: 0.68 ft at 3:45PM Sep 21, 2023Observed: 0.68 ft at 4:00PM Sep 21, 2023Observed: 0.68 ft at 4:15PM Sep 21, 2023Observed: 0.68 ft at 4:30PM Sep 21, 2023Observed: 0.68 ft at 4:45PM Sep 21, 2023Observed: 0.68 ft at 5:00PM Sep 21, 2023USGS--Water Resources of the United StatesAMWI4(plotting HGIRV) Graph Created (6:33PM Sep 21, 2023)ObservedLatest observed value: 0.68 ft at 5:00 PM CDT 21-Sep-2023. Flood Stage is 10 ft
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Tabular Data (UTC)
Tabular Data (CDT)
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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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
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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
Des Moines Weather Forecast Office
9607 NW Beaver Dr.
Des Moines, IA 50131
(515) 270-2614
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