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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
Boone River (North Central IA) near Webster City Stage (ft)Flow (cfs)Highest Observation: 2.63 ft at 12:00AM May 27, 2023Observed: 2.62 ft at 12:15AM May 27, 2023Highest Observation: 2.63 ft at 12:30AM May 27, 2023Observed: 2.61 ft at 12:45AM May 27, 2023Observed: 2.62 ft at 1:00AM May 27, 2023Observed: 2.61 ft at 1:15AM May 27, 2023Observed: 2.62 ft at 1:30AM May 27, 2023Observed: 2.61 ft at 1:45AM May 27, 2023Observed: 2.62 ft at 2:00AM May 27, 2023Observed: 2.61 ft at 2:15AM May 27, 2023Observed: 2.61 ft at 2:30AM May 27, 2023Observed: 2.61 ft at 2:45AM May 27, 2023Observed: 2.6 ft at 3:00AM May 27, 2023Observed: 2.6 ft at 3:15AM May 27, 2023Observed: 2.62 ft at 3:30AM May 27, 2023Observed: 2.61 ft at 3:45AM May 27, 2023Observed: 2.6 ft at 4:00AM May 27, 2023Observed: 2.6 ft at 4:15AM May 27, 2023Observed: 2.62 ft at 4:30AM May 27, 2023Observed: 2.6 ft at 4:45AM May 27, 2023Observed: 2.61 ft at 5:00AM May 27, 2023Observed: 2.61 ft at 5:15AM May 27, 2023Observed: 2.6 ft at 5:30AM May 27, 2023Observed: 2.61 ft at 5:45AM May 27, 2023Observed: 2.6 ft at 6:00AM May 27, 2023Observed: 2.6 ft at 6:15AM May 27, 2023Observed: 2.59 ft at 6:30AM May 27, 2023Observed: 2.6 ft at 6:45AM May 27, 2023Observed: 2.6 ft at 7:00AM May 27, 2023Observed: 2.6 ft at 7:15AM May 27, 2023Observed: 2.6 ft at 7:30AM May 27, 2023Observed: 2.6 ft at 7:45AM May 27, 2023Observed: 2.59 ft at 8:00AM May 27, 2023Observed: 2.59 ft at 8:15AM May 27, 2023Observed: 2.59 ft at 8:30AM May 27, 2023Observed: 2.6 ft at 8:45AM May 27, 2023Observed: 2.6 ft at 9:00AM May 27, 2023Observed: 2.59 ft at 9:15AM May 27, 2023Observed: 2.59 ft at 9:30AM May 27, 2023Observed: 2.59 ft at 9:45AM May 27, 2023Observed: 2.59 ft at 10:00AM May 27, 2023Observed: 2.59 ft at 10:15AM May 27, 2023Observed: 2.59 ft at 10:30AM May 27, 2023Observed: 2.59 ft at 10:45AM May 27, 2023Observed: 2.59 ft at 11:00AM May 27, 2023Observed: 2.59 ft at 11:15AM May 27, 2023Observed: 2.59 ft at 11:30AM May 27, 2023Observed: 2.59 ft at 11:45AM May 27, 2023Observed: 2.59 ft at 12:00PM May 27, 2023Observed: 2.6 ft at 12:15PM May 27, 2023Observed: 2.59 ft at 12:30PM May 27, 2023Observed: 2.59 ft at 12:45PM May 27, 2023Observed: 2.59 ft at 1:00PM May 27, 2023Observed: 2.59 ft at 1:15PM May 27, 2023Observed: 2.59 ft at 1:30PM May 27, 2023Observed: 2.59 ft at 1:45PM May 27, 2023Observed: 2.59 ft at 2:00PM May 27, 2023Observed: 2.59 ft at 2:15PM May 27, 2023Observed: 2.58 ft at 2:30PM May 27, 2023Observed: 2.58 ft at 2:45PM May 27, 2023Observed: 2.58 ft at 3:00PM May 27, 2023Observed: 2.58 ft at 3:15PM May 27, 2023Observed: 2.58 ft at 3:30PM May 27, 2023Observed: 2.57 ft at 3:45PM May 27, 2023Observed: 2.58 ft at 4:00PM May 27, 2023Observed: 2.58 ft at 4:15PM May 27, 2023Observed: 2.58 ft at 4:30PM May 27, 2023Observed: 2.57 ft at 4:45PM May 27, 2023Observed: 2.57 ft at 5:00PM May 27, 2023Observed: 2.57 ft at 5:15PM May 27, 2023Observed: 2.57 ft at 5:30PM May 27, 2023Observed: 2.58 ft at 5:45PM May 27, 2023Observed: 2.57 ft at 6:00PM May 27, 2023Observed: 2.56 ft at 6:15PM May 27, 2023Observed: 2.57 ft at 6:30PM May 27, 2023Observed: 2.56 ft at 6:45PM May 27, 2023Observed: 2.56 ft at 7:00PM May 27, 2023Observed: 2.56 ft at 7:15PM May 27, 2023Observed: 2.57 ft at 7:30PM May 27, 2023Observed: 2.56 ft at 7:45PM May 27, 2023Observed: 2.56 ft at 8:00PM May 27, 2023Observed: 2.57 ft at 8:15PM May 27, 2023Observed: 2.56 ft at 8:30PM May 27, 2023Observed: 2.56 ft at 8:45PM May 27, 2023Observed: 2.57 ft at 9:00PM May 27, 2023Observed: 2.56 ft at 9:15PM May 27, 2023Observed: 2.56 ft at 9:30PM May 27, 2023Observed: 2.56 ft at 9:45PM May 27, 2023Observed: 2.56 ft at 10:00PM May 27, 2023Observed: 2.55 ft at 10:15PM May 27, 2023Observed: 2.55 ft at 10:30PM May 27, 2023Observed: 2.55 ft at 10:45PM May 27, 2023Observed: 2.55 ft at 11:00PM May 27, 2023Observed: 2.57 ft at 11:15PM May 27, 2023Observed: 2.55 ft at 11:30PM May 27, 2023Observed: 2.55 ft at 11:45PM May 27, 2023Observed: 2.55 ft at 12:00AM May 28, 2023Observed: 2.55 ft at 12:15AM May 28, 2023Observed: 2.55 ft at 12:30AM May 28, 2023Observed: 2.55 ft at 12:45AM May 28, 2023Observed: 2.55 ft at 1:00AM May 28, 2023Observed: 2.55 ft at 1:15AM May 28, 2023Observed: 2.54 ft at 1:30AM May 28, 2023Observed: 2.54 ft at 1:45AM May 28, 2023Observed: 2.54 ft at 2:00AM May 28, 2023Observed: 2.55 ft at 2:15AM May 28, 2023Observed: 2.54 ft at 2:30AM May 28, 2023Observed: 2.55 ft at 2:45AM May 28, 2023Observed: 2.54 ft at 3:00AM May 28, 2023Observed: 2.54 ft at 3:15AM May 28, 2023Observed: 2.55 ft at 3:30AM May 28, 2023Observed: 2.54 ft at 3:45AM May 28, 2023Observed: 2.54 ft at 4:00AM May 28, 2023Observed: 2.54 ft at 4:15AM May 28, 2023Observed: 2.54 ft at 4:30AM May 28, 2023Observed: 2.54 ft at 4:45AM May 28, 2023Observed: 2.54 ft at 5:00AM May 28, 2023Observed: 2.54 ft at 5:15AM May 28, 2023Observed: 2.54 ft at 5:30AM May 28, 2023Observed: 2.54 ft at 5:45AM May 28, 2023Observed: 2.54 ft at 6:00AM May 28, 2023Observed: 2.54 ft at 6:15AM May 28, 2023Observed: 2.54 ft at 6:30AM May 28, 2023Observed: 2.54 ft at 6:45AM May 28, 2023Observed: 2.54 ft at 7:00AM May 28, 2023Observed: 2.54 ft at 7:15AM May 28, 2023Observed: 2.54 ft at 7:30AM May 28, 2023Observed: 2.54 ft at 7:45AM May 28, 2023Observed: 2.54 ft at 8:00AM May 28, 2023Observed: 2.54 ft at 8:15AM May 28, 2023Observed: 2.54 ft at 8:30AM May 28, 2023Observed: 2.54 ft at 8:45AM May 28, 2023Observed: 2.54 ft at 9:00AM May 28, 2023Observed: 2.54 ft at 9:15AM May 28, 2023Observed: 2.54 ft at 9:30AM May 28, 2023Observed: 2.54 ft at 9:45AM May 28, 2023Observed: 2.54 ft at 10:00AM May 28, 2023Observed: 2.54 ft at 10:15AM May 28, 2023Observed: 2.54 ft at 10:30AM May 28, 2023Observed: 2.53 ft at 10:45AM May 28, 2023Observed: 2.54 ft at 11:00AM May 28, 2023Observed: 2.53 ft at 11:15AM May 28, 2023Observed: 2.54 ft at 11:30AM May 28, 2023Observed: 2.53 ft at 11:45AM May 28, 2023Observed: 2.53 ft at 12:00PM May 28, 2023Observed: 2.53 ft at 12:15PM May 28, 2023Observed: 2.53 ft at 12:30PM May 28, 2023Observed: 2.53 ft at 12:45PM May 28, 2023Observed: 2.53 ft at 1:00PM May 28, 2023Observed: 2.53 ft at 1:15PM May 28, 2023Observed: 2.53 ft at 1:30PM May 28, 2023Observed: 2.53 ft at 1:45PM May 28, 2023Observed: 2.53 ft at 2:00PM May 28, 2023Observed: 2.53 ft at 2:15PM May 28, 2023Observed: 2.53 ft at 2:30PM May 28, 2023Observed: 2.52 ft at 2:45PM May 28, 2023Observed: 2.52 ft at 3:00PM May 28, 2023Observed: 2.52 ft at 3:15PM May 28, 2023Observed: 2.52 ft at 3:30PM May 28, 2023Observed: 2.52 ft at 3:45PM May 28, 2023Observed: 2.52 ft at 4:00PM May 28, 2023Observed: 2.51 ft at 4:15PM May 28, 2023Observed: 2.52 ft at 4:30PM May 28, 2023Observed: 2.51 ft at 4:45PM May 28, 2023Observed: 2.51 ft at 5:00PM May 28, 2023Observed: 2.51 ft at 5:15PM May 28, 2023Observed: 2.51 ft at 5:30PM May 28, 2023Observed: 2.51 ft at 5:45PM May 28, 2023Observed: 2.51 ft at 6:00PM May 28, 2023Observed: 2.51 ft at 6:15PM May 28, 2023Observed: 2.51 ft at 6:30PM May 28, 2023Observed: 2.51 ft at 6:45PM May 28, 2023Observed: 2.51 ft at 7:00PM May 28, 2023Observed: 2.51 ft at 7:15PM May 28, 2023Observed: 2.51 ft at 7:30PM May 28, 2023Observed: 2.51 ft at 7:45PM May 28, 2023Observed: 2.51 ft at 8:00PM May 28, 2023Observed: 2.51 ft at 8:15PM May 28, 2023Observed: 2.51 ft at 8:30PM May 28, 2023Observed: 2.51 ft at 8:45PM May 28, 2023Observed: 2.51 ft at 9:00PM May 28, 2023Observed: 2.51 ft at 9:15PM May 28, 2023Observed: 2.51 ft at 9:30PM May 28, 2023Observed: 2.51 ft at 9:45PM May 28, 2023Observed: 2.5 ft at 10:00PM May 28, 2023Observed: 2.51 ft at 10:15PM May 28, 2023Observed: 2.51 ft at 10:30PM May 28, 2023Observed: 2.51 ft at 10:45PM May 28, 2023Observed: 2.5 ft at 11:00PM May 28, 2023Observed: 2.5 ft at 11:15PM May 28, 2023Observed: 2.5 ft at 11:30PM May 28, 2023Observed: 2.5 ft at 11:45PM May 28, 2023Observed: 2.5 ft at 12:00AM May 29, 2023Observed: 2.5 ft at 12:15AM May 29, 2023Observed: 2.5 ft at 12:30AM May 29, 2023Observed: 2.5 ft at 12:45AM May 29, 2023Observed: 2.5 ft at 1:00AM May 29, 2023Observed: 2.51 ft at 1:15AM May 29, 2023Observed: 2.5 ft at 1:30AM May 29, 2023Observed: 2.5 ft at 1:45AM May 29, 2023Observed: 2.5 ft at 2:00AM May 29, 2023Observed: 2.5 ft at 2:15AM May 29, 2023Observed: 2.5 ft at 2:30AM May 29, 2023Observed: 2.5 ft at 2:45AM May 29, 2023Observed: 2.5 ft at 3:00AM May 29, 2023Observed: 2.5 ft at 3:15AM May 29, 2023Observed: 2.5 ft at 3:30AM May 29, 2023Observed: 2.5 ft at 3:45AM May 29, 2023Observed: 2.5 ft at 4:00AM May 29, 2023Observed: 2.5 ft at 4:15AM May 29, 2023Observed: 2.49 ft at 4:30AM May 29, 2023Observed: 2.49 ft at 4:45AM May 29, 2023Observed: 2.5 ft at 5:00AM May 29, 2023Observed: 2.49 ft at 5:15AM May 29, 2023Observed: 2.49 ft at 5:30AM May 29, 2023Observed: 2.5 ft at 5:45AM May 29, 2023Observed: 2.5 ft at 6:00AM May 29, 2023Observed: 2.49 ft at 6:15AM May 29, 2023Observed: 2.49 ft at 6:30AM May 29, 2023Observed: 2.49 ft at 6:45AM May 29, 2023Observed: 2.49 ft at 7:00AM May 29, 2023Observed: 2.49 ft at 7:15AM May 29, 2023Observed: 2.49 ft at 7:30AM May 29, 2023Observed: 2.49 ft at 7:45AM May 29, 2023Observed: 2.49 ft at 8:00AM May 29, 2023Observed: 2.49 ft at 8:15AM May 29, 2023Observed: 2.49 ft at 8:30AM May 29, 2023Observed: 2.5 ft at 8:45AM May 29, 2023Observed: 2.5 ft at 9:00AM May 29, 2023Observed: 2.49 ft at 9:15AM May 29, 2023Observed: 2.49 ft at 9:30AM May 29, 2023Observed: 2.49 ft at 9:45AM May 29, 2023Observed: 2.49 ft at 10:00AM May 29, 2023Observed: 2.5 ft at 10:15AM May 29, 2023Observed: 2.49 ft at 10:30AM May 29, 2023Observed: 2.49 ft at 10:45AM May 29, 2023Observed: 2.49 ft at 11:00AM May 29, 2023Observed: 2.49 ft at 11:15AM May 29, 2023Observed: 2.49 ft at 11:30AM May 29, 2023Observed: 2.49 ft at 11:45AM May 29, 2023Observed: 2.49 ft at 12:00PM May 29, 2023Observed: 2.49 ft at 12:15PM May 29, 2023Observed: 2.49 ft at 12:30PM May 29, 2023Observed: 2.49 ft at 12:45PM May 29, 2023Observed: 2.49 ft at 1:00PM May 29, 2023Observed: 2.49 ft at 1:15PM May 29, 2023Observed: 2.49 ft at 1:30PM May 29, 2023Observed: 2.49 ft at 1:45PM May 29, 2023Observed: 2.48 ft at 2:00PM May 29, 2023Observed: 2.49 ft at 2:15PM May 29, 2023Observed: 2.48 ft at 2:30PM May 29, 2023Observed: 2.49 ft at 2:45PM May 29, 2023Observed: 2.48 ft at 3:00PM May 29, 2023Observed: 2.48 ft at 3:15PM May 29, 2023Observed: 2.48 ft at 3:30PM May 29, 2023Observed: 2.48 ft at 3:45PM May 29, 2023Observed: 2.48 ft at 4:00PM May 29, 2023Observed: 2.48 ft at 4:15PM May 29, 2023Observed: 2.48 ft at 4:30PM May 29, 2023Observed: 2.48 ft at 4:45PM May 29, 2023Observed: 2.47 ft at 5:00PM May 29, 2023Observed: 2.47 ft at 5:15PM May 29, 2023Observed: 2.47 ft at 5:30PM May 29, 2023Observed: 2.47 ft at 5:45PM May 29, 2023Observed: 2.47 ft at 6:00PM May 29, 2023Observed: 2.48 ft at 6:15PM May 29, 2023Observed: 2.47 ft at 6:30PM May 29, 2023Observed: 2.47 ft at 6:45PM May 29, 2023Observed: 2.47 ft at 7:00PM May 29, 2023Observed: 2.48 ft at 7:15PM May 29, 2023Observed: 2.47 ft at 7:30PM May 29, 2023Observed: 2.47 ft at 7:45PM May 29, 2023Observed: 2.47 ft at 8:00PM May 29, 2023Observed: 2.47 ft at 8:15PM May 29, 2023Observed: 2.47 ft at 8:30PM May 29, 2023Observed: 2.47 ft at 8:45PM May 29, 2023Observed: 2.47 ft at 9:00PM May 29, 2023Observed: 2.47 ft at 9:15PM May 29, 2023Observed: 2.47 ft at 9:30PM May 29, 2023Observed: 2.47 ft at 9:45PM May 29, 2023Observed: 2.47 ft at 10:00PM May 29, 2023Observed: 2.47 ft at 10:15PM May 29, 2023Observed: 2.46 ft at 10:30PM May 29, 2023Observed: 2.47 ft at 10:45PM May 29, 2023Observed: 2.47 ft at 11:00PM May 29, 2023Observed: 2.47 ft at 11:15PM May 29, 2023Observed: 2.48 ft at 11:30PM May 29, 2023Observed: 2.47 ft at 11:45PM May 29, 2023Observed: 2.47 ft at 12:00AM May 30, 2023Observed: 2.47 ft at 12:15AM May 30, 2023Observed: 2.47 ft at 12:30AM May 30, 2023Observed: 2.47 ft at 12:45AM May 30, 2023Observed: 2.47 ft at 1:00AM May 30, 2023Observed: 2.47 ft at 1:15AM May 30, 2023Observed: 2.47 ft at 1:30AM May 30, 2023Observed: 2.46 ft at 1:45AM May 30, 2023Observed: 2.46 ft at 2:00AM May 30, 2023Observed: 2.46 ft at 2:15AM May 30, 2023Observed: 2.46 ft at 2:30AM May 30, 2023Observed: 2.46 ft at 2:45AM May 30, 2023Observed: 2.46 ft at 3:00AM May 30, 2023Observed: 2.46 ft at 3:15AM May 30, 2023Observed: 2.46 ft at 3:30AM May 30, 2023Observed: 2.46 ft at 3:45AM May 30, 2023Observed: 2.46 ft at 4:00AM May 30, 2023Observed: 2.46 ft at 4:15AM May 30, 2023Observed: 2.46 ft at 4:30AM May 30, 2023Observed: 2.46 ft at 4:45AM May 30, 2023Observed: 2.46 ft at 5:00AM May 30, 2023Observed: 2.46 ft at 5:15AM May 30, 2023Observed: 2.46 ft at 5:30AM May 30, 2023Observed: 2.46 ft at 5:45AM May 30, 2023Observed: 2.46 ft at 6:00AM May 30, 2023Observed: 2.46 ft at 6:15AM May 30, 2023Observed: 2.46 ft at 6:30AM May 30, 2023Observed: 2.46 ft at 6:45AM May 30, 2023Observed: 2.46 ft at 7:00AM May 30, 2023Observed: 2.46 ft at 7:15AM May 30, 2023Observed: 2.46 ft at 7:30AM May 30, 2023Observed: 2.46 ft at 7:45AM May 30, 2023Observed: 2.46 ft at 8:00AM May 30, 2023Observed: 2.46 ft at 8:15AM May 30, 2023Observed: 2.46 ft at 8:30AM May 30, 2023Observed: 2.46 ft at 8:45AM May 30, 2023Observed: 2.46 ft at 9:00AM May 30, 2023Observed: 2.46 ft at 9:15AM May 30, 2023Observed: 2.46 ft at 9:30AM May 30, 2023Observed: 2.46 ft at 9:45AM May 30, 2023Observed: 2.46 ft at 10:00AM May 30, 2023Observed: 2.46 ft at 10:15AM May 30, 2023Observed: 2.46 ft at 10:30AM May 30, 2023Observed: 2.46 ft at 10:45AM May 30, 2023Observed: 2.46 ft at 11:00AM May 30, 2023Observed: 2.45 ft at 11:15AM May 30, 2023Observed: 2.46 ft at 11:30AM May 30, 2023Observed: 2.46 ft at 11:45AM May 30, 2023Observed: 2.46 ft at 12:00PM May 30, 2023Observed: 2.46 ft at 12:15PM May 30, 2023Observed: 2.46 ft at 12:30PM May 30, 2023Observed: 2.46 ft at 12:45PM May 30, 2023Observed: 2.46 ft at 1:00PM May 30, 2023Observed: 2.46 ft at 1:15PM May 30, 2023Observed: 2.46 ft at 1:30PM May 30, 2023Observed: 2.46 ft at 1:45PM May 30, 2023Observed: 2.46 ft at 2:00PM May 30, 2023Observed: 2.46 ft at 2:15PM May 30, 2023Observed: 2.46 ft at 2:30PM May 30, 2023Observed: 2.46 ft at 2:45PM May 30, 2023Observed: 2.46 ft at 3:00PM May 30, 2023Observed: 2.46 ft at 3:15PM May 30, 2023Observed: 2.46 ft at 3:30PM May 30, 2023Observed: 2.46 ft at 3:45PM May 30, 2023Observed: 2.46 ft at 4:00PM May 30, 2023Observed: 2.46 ft at 4:15PM May 30, 2023Observed: 2.46 ft at 4:30PM May 30, 2023Observed: 2.46 ft at 4:45PM May 30, 2023Observed: 2.46 ft at 5:00PM May 30, 2023Observed: 2.46 ft at 5:15PM May 30, 2023Observed: 2.46 ft at 5:30PM May 30, 2023Observed: 2.46 ft at 5:45PM May 30, 2023Observed: 2.46 ft at 6:00PM May 30, 2023Observed: 2.47 ft at 6:15PM May 30, 2023Observed: 2.47 ft at 6:30PM May 30, 2023Observed: 2.47 ft at 6:45PM May 30, 2023Observed: 2.47 ft at 7:00PM May 30, 2023Observed: 2.47 ft at 7:15PM May 30, 2023Observed: 2.47 ft at 7:30PM May 30, 2023Observed: 2.48 ft at 7:45PM May 30, 2023Observed: 2.48 ft at 8:00PM May 30, 2023Observed: 2.48 ft at 8:15PM May 30, 2023Observed: 2.49 ft at 8:30PM May 30, 2023Observed: 2.49 ft at 8:45PM May 30, 2023Observed: 2.5 ft at 9:00PM May 30, 2023Observed: 2.51 ft at 9:15PM May 30, 2023Observed: 2.52 ft at 9:30PM May 30, 2023Observed: 2.53 ft at 9:45PM May 30, 2023Observed: 2.54 ft at 10:00PM May 30, 2023Observed: 2.55 ft at 10:15PM May 30, 2023Observed: 2.56 ft at 10:30PM May 30, 2023Observed: 2.56 ft at 10:45PM May 30, 2023Observed: 2.56 ft at 11:00PM May 30, 2023Observed: 2.56 ft at 11:15PM May 30, 2023Observed: 2.57 ft at 11:30PM May 30, 2023Observed: 2.56 ft at 11:45PM May 30, 2023Observed: 2.56 ft at 12:00AM May 31, 2023Observed: 2.56 ft at 12:15AM May 31, 2023Observed: 2.55 ft at 12:30AM May 31, 2023Observed: 2.55 ft at 12:45AM May 31, 2023Observed: 2.54 ft at 1:00AM May 31, 2023Observed: 2.54 ft at 1:15AM May 31, 2023Observed: 2.54 ft at 1:30AM May 31, 2023Observed: 2.53 ft at 1:45AM May 31, 2023Observed: 2.53 ft at 2:00AM May 31, 2023Observed: 2.53 ft at 2:15AM May 31, 2023Observed: 2.52 ft at 2:30AM May 31, 2023Observed: 2.52 ft at 2:45AM May 31, 2023Observed: 2.52 ft at 3:00AM May 31, 2023Observed: 2.53 ft at 3:15AM May 31, 2023Observed: 2.52 ft at 3:30AM May 31, 2023Observed: 2.52 ft at 3:45AM May 31, 2023Observed: 2.52 ft at 4:00AM May 31, 2023Observed: 2.52 ft at 4:15AM May 31, 2023Observed: 2.52 ft at 4:30AM May 31, 2023Observed: 2.52 ft at 4:45AM May 31, 2023Observed: 2.52 ft at 5:00AM May 31, 2023Observed: 2.52 ft at 5:15AM May 31, 2023Observed: 2.52 ft at 5:30AM May 31, 2023Observed: 2.52 ft at 5:45AM May 31, 2023Observed: 2.53 ft at 6:00AM May 31, 2023Observed: 2.53 ft at 6:15AM May 31, 2023Observed: 2.54 ft at 6:30AM May 31, 2023Observed: 2.55 ft at 6:45AM May 31, 2023Observed: 2.56 ft at 7:00AM May 31, 2023Observed: 2.56 ft at 7:15AM May 31, 2023Observed: 2.57 ft at 7:30AM May 31, 2023Observed: 2.57 ft at 7:45AM May 31, 2023Observed: 2.58 ft at 8:00AM May 31, 2023Observed: 2.58 ft at 8:15AM May 31, 2023Observed: 2.58 ft at 8:30AM May 31, 2023Observed: 2.59 ft at 8:45AM May 31, 2023Observed: 2.58 ft at 9:00AM May 31, 2023Observed: 2.58 ft at 9:15AM May 31, 2023Observed: 2.58 ft at 9:30AM May 31, 2023Observed: 2.58 ft at 9:45AM May 31, 2023Observed: 2.58 ft at 10:00AM May 31, 2023Observed: 2.58 ft at 10:15AM May 31, 2023Observed: 2.58 ft at 10:30AM May 31, 2023Observed: 2.57 ft at 10:45AM May 31, 2023Observed: 2.57 ft at 11:00AM May 31, 2023Observed: 2.57 ft at 11:15AM May 31, 2023Observed: 2.57 ft at 11:30AM May 31, 2023Observed: 2.57 ft at 11:45AM May 31, 2023Observed: 2.57 ft at 12:00PM May 31, 2023Observed: 2.57 ft at 12:15PM May 31, 2023Observed: 2.56 ft at 12:30PM May 31, 2023Observed: 2.56 ft at 12:45PM May 31, 2023Observed: 2.55 ft at 1:00PM May 31, 2023Observed: 2.55 ft at 1:15PM May 31, 2023Observed: 2.55 ft at 1:30PM May 31, 2023Observed: 2.55 ft at 1:45PM May 31, 2023Observed: 2.55 ft at 2:00PM May 31, 2023Observed: 2.55 ft at 2:15PM May 31, 2023Observed: 2.54 ft at 2:30PM May 31, 2023Observed: 2.54 ft at 2:45PM May 31, 2023Observed: 2.54 ft at 3:00PM May 31, 2023Observed: 2.54 ft at 3:15PM May 31, 2023Observed: 2.54 ft at 3:30PM May 31, 2023Observed: 2.53 ft at 3:45PM May 31, 2023Observed: 2.53 ft at 4:00PM May 31, 2023Observed: 2.53 ft at 4:15PM May 31, 2023Observed: 2.53 ft at 4:30PM May 31, 2023Observed: 2.53 ft at 4:45PM May 31, 2023Observed: 2.53 ft at 5:00PM May 31, 2023Observed: 2.53 ft at 5:15PM May 31, 2023Observed: 2.53 ft at 5:30PM May 31, 2023Observed: 2.53 ft at 5:45PM May 31, 2023Observed: 2.52 ft at 6:00PM May 31, 2023Observed: 2.52 ft at 6:15PM May 31, 2023Observed: 2.53 ft at 6:30PM May 31, 2023Observed: 2.52 ft at 6:45PM May 31, 2023Observed: 2.52 ft at 7:00PM May 31, 2023Observed: 2.52 ft at 7:15PM May 31, 2023Observed: 2.52 ft at 7:30PM May 31, 2023Observed: 2.51 ft at 7:45PM May 31, 2023Observed: 2.51 ft at 8:00PM May 31, 2023Observed: 2.51 ft at 8:15PM May 31, 2023Observed: 2.51 ft at 8:30PM May 31, 2023Observed: 2.5 ft at 8:45PM May 31, 2023Observed: 2.5 ft at 9:00PM May 31, 2023Observed: 2.5 ft at 9:15PM May 31, 2023Observed: 2.5 ft at 9:30PM May 31, 2023Observed: 2.5 ft at 9:45PM May 31, 2023Observed: 2.5 ft at 10:00PM May 31, 2023Observed: 2.5 ft at 10:15PM May 31, 2023Observed: 2.5 ft at 10:30PM May 31, 2023Observed: 2.49 ft at 10:45PM May 31, 2023Observed: 2.49 ft at 11:00PM May 31, 2023USGS--Water Resources of the United StatesWBCI4(plotting HGIRV) Graph Created (11:48PM May 31, 2023)ObservedLatest observed value: 2.49 ft at 11:00 PM CDT 31-May-2023. Flood Stage is 14 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts for the Boone River (North Central IA) near Webster City 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 Locations Upstream Gauge Downstream Gauge Downstream Gauge - near Stratford
Flood Categories (in feet)
Major Flood Stage: 19
Moderate Flood Stage: 17
Flood Stage: 14
Action Stage: 9
Low Stage (in feet): -9999

Historic Crests
(1) 19.10 ft on 06/10/1918
(2) 18.55 ft on 06/22/1954
(3) 18.17 ft on 06/28/2010
(4) 17.74 ft on 06/10/2008
(5) 16.00 ft on 06/18/1932
(6) 15.91 ft on 04/06/1965
(7) 15.63 ft on 06/05/1991
(8) 15.55 ft on 05/25/2004
(9) 15.32 ft on 04/01/1993
(10) 14.40 ft on 09/23/2018
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 6.04 ft on 06/17/2022
(2) 4.37 ft on 05/23/2021
(3) 8.91 ft on 10/10/2019
(4) 11.36 ft on 03/18/2019
(5) 11.49 ft on 03/15/2019
(6) 14.40 ft on 09/23/2018
(7) 7.05 ft on 05/21/2017
(8) 7.30 ft on 01/21/2017
(9) 14.03 ft on 09/25/2016
(10) 7.06 ft on 06/23/2015
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:12
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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 Flooding occurs west of the river to Union Street and east to Elm Street.
16 Flooding occurs along both river banks in the east part of town.
14 Water affects some residential areas near the river in Webster City.
12 Widespread agricultural land flooding occurs.
11 Low lying areas in close proximity to the river flood.
10.5 Water crosses the city walking path just south of the 2nd Street bridge and also over the walkway just north of the Bank Street bridge.
About This Location Collapse

Latitude: 42.431972° N, Longitude: 93.805944° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 14 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 989.38 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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Page last modified: 2-Nov-2020 7:29 PM
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