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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
Meramec River at Arnold Stage (ft)Observed: 12.32 ft at 3:30AM May 27, 2023Highest Observation: 12.34 ft at 3:45AM May 27, 2023Observed: 12.3 ft at 4:00AM May 27, 2023Observed: 12.29 ft at 4:15AM May 27, 2023Observed: 12.31 ft at 4:30AM May 27, 2023Observed: 12.28 ft at 4:45AM May 27, 2023Observed: 12.26 ft at 5:00AM May 27, 2023Observed: 12.27 ft at 5:15AM May 27, 2023Observed: 12.22 ft at 5:30AM May 27, 2023Observed: 12.23 ft at 5:45AM May 27, 2023Observed: 12.24 ft at 6:00AM May 27, 2023Observed: 12.2 ft at 6:15AM May 27, 2023Observed: 12.2 ft at 6:30AM May 27, 2023Observed: 12.2 ft at 6:45AM May 27, 2023Observed: 12.2 ft at 7:00AM May 27, 2023Observed: 12.2 ft at 7:15AM May 27, 2023Observed: 12.18 ft at 7:30AM May 27, 2023Observed: 12.15 ft at 7:45AM May 27, 2023Observed: 12.18 ft at 8:00AM May 27, 2023Observed: 12.17 ft at 8:15AM May 27, 2023Observed: 12.12 ft at 8:30AM May 27, 2023Observed: 12.12 ft at 8:45AM May 27, 2023Observed: 12.13 ft at 9:00AM May 27, 2023Observed: 12.11 ft at 9:15AM May 27, 2023Observed: 12.08 ft at 9:30AM May 27, 2023Observed: 12.09 ft at 9:45AM May 27, 2023Observed: 12.08 ft at 10:00AM May 27, 2023Observed: 12.06 ft at 10:15AM May 27, 2023Observed: 12.05 ft at 10:30AM May 27, 2023Observed: 12.03 ft at 10:45AM May 27, 2023Observed: 12.01 ft at 11:00AM May 27, 2023Observed: 12.01 ft at 11:15AM May 27, 2023Observed: 12.01 ft at 11:30AM May 27, 2023Observed: 11.97 ft at 11:45AM May 27, 2023Observed: 11.98 ft at 12:00PM May 27, 2023Observed: 11.96 ft at 12:15PM May 27, 2023Observed: 11.93 ft at 12:30PM May 27, 2023Observed: 11.95 ft at 12:45PM May 27, 2023Observed: 11.95 ft at 1:00PM May 27, 2023Observed: 11.92 ft at 1:15PM May 27, 2023Observed: 11.89 ft at 1:30PM May 27, 2023Observed: 11.94 ft at 1:45PM May 27, 2023Observed: 11.89 ft at 2:00PM May 27, 2023Observed: 11.91 ft at 2:15PM May 27, 2023Observed: 11.87 ft at 2:30PM May 27, 2023Observed: 11.84 ft at 2:45PM May 27, 2023Observed: 11.85 ft at 3:00PM May 27, 2023Observed: 11.8 ft at 3:15PM May 27, 2023Observed: 11.85 ft at 3:30PM May 27, 2023Observed: 11.78 ft at 3:45PM May 27, 2023Observed: 11.75 ft at 4:00PM May 27, 2023Observed: 11.75 ft at 4:15PM May 27, 2023Observed: 11.74 ft at 4:30PM May 27, 2023Observed: 11.78 ft at 4:45PM May 27, 2023Observed: 11.74 ft at 5:00PM May 27, 2023Observed: 11.72 ft at 5:15PM May 27, 2023Observed: 11.74 ft at 5:30PM May 27, 2023Observed: 11.67 ft at 5:45PM May 27, 2023Observed: 11.65 ft at 6:00PM May 27, 2023Observed: 11.65 ft at 6:15PM May 27, 2023Observed: 11.64 ft at 6:30PM May 27, 2023Observed: 11.65 ft at 6:45PM May 27, 2023Observed: 11.62 ft at 7:00PM May 27, 2023Observed: 11.58 ft at 7:15PM May 27, 2023Observed: 11.6 ft at 7:30PM May 27, 2023Observed: 11.6 ft at 7:45PM May 27, 2023Observed: 11.59 ft at 8:00PM May 27, 2023Observed: 11.59 ft at 8:15PM May 27, 2023Observed: 11.6 ft at 8:30PM May 27, 2023Observed: 11.58 ft at 8:45PM May 27, 2023Observed: 11.57 ft at 9:00PM May 27, 2023Observed: 11.57 ft at 9:15PM May 27, 2023Observed: 11.54 ft at 9:30PM May 27, 2023Observed: 11.54 ft at 9:45PM May 27, 2023Observed: 11.54 ft at 10:00PM May 27, 2023Observed: 11.55 ft at 10:15PM May 27, 2023Observed: 11.52 ft at 10:30PM May 27, 2023Observed: 11.5 ft at 10:45PM May 27, 2023Observed: 11.49 ft at 11:00PM May 27, 2023Observed: 11.52 ft at 11:15PM May 27, 2023Observed: 11.47 ft at 11:30PM May 27, 2023Observed: 11.47 ft at 11:45PM May 27, 2023Observed: 11.47 ft at 12:00AM May 28, 2023Observed: 11.49 ft at 12:15AM May 28, 2023Observed: 11.45 ft at 12:30AM May 28, 2023Observed: 11.44 ft at 12:45AM May 28, 2023Observed: 11.42 ft at 1:00AM May 28, 2023Observed: 11.44 ft at 1:15AM May 28, 2023Observed: 11.41 ft at 1:30AM May 28, 2023Observed: 11.4 ft at 1:45AM May 28, 2023Observed: 11.4 ft at 2:00AM May 28, 2023Observed: 11.4 ft at 2:15AM May 28, 2023Observed: 11.38 ft at 2:30AM May 28, 2023Observed: 11.35 ft at 2:45AM May 28, 2023Observed: 11.38 ft at 3:00AM May 28, 2023Observed: 11.36 ft at 3:15AM May 28, 2023Observed: 11.36 ft at 3:30AM May 28, 2023Observed: 11.36 ft at 3:45AM May 28, 2023Observed: 11.34 ft at 4:00AM May 28, 2023Observed: 11.33 ft at 4:15AM May 28, 2023Observed: 11.32 ft at 4:30AM May 28, 2023Observed: 11.31 ft at 4:45AM May 28, 2023Observed: 11.31 ft at 5:00AM May 28, 2023Observed: 11.28 ft at 5:15AM May 28, 2023Observed: 11.27 ft at 5:30AM May 28, 2023Observed: 11.24 ft at 5:45AM May 28, 2023Observed: 11.26 ft at 6:00AM May 28, 2023Observed: 11.25 ft at 6:15AM May 28, 2023Observed: 11.23 ft at 6:30AM May 28, 2023Observed: 11.22 ft at 6:45AM May 28, 2023Observed: 11.19 ft at 7:00AM May 28, 2023Observed: 11.22 ft at 7:15AM May 28, 2023Observed: 11.17 ft at 7:30AM May 28, 2023Observed: 11.19 ft at 7:45AM May 28, 2023Observed: 11.18 ft at 8:00AM May 28, 2023Observed: 11.14 ft at 8:15AM May 28, 2023Observed: 11.14 ft at 8:30AM May 28, 2023Observed: 11.13 ft at 8:45AM May 28, 2023Observed: 11.1 ft at 9:00AM May 28, 2023Observed: 11.08 ft at 9:15AM May 28, 2023Observed: 11.09 ft at 9:30AM May 28, 2023Observed: 11.05 ft at 9:45AM May 28, 2023Observed: 11.05 ft at 10:00AM May 28, 2023Observed: 11.04 ft at 10:15AM May 28, 2023Observed: 11 ft at 10:30AM May 28, 2023Observed: 11.01 ft at 10:45AM May 28, 2023Observed: 10.97 ft at 11:00AM May 28, 2023Observed: 10.98 ft at 11:15AM May 28, 2023Observed: 10.95 ft at 11:30AM May 28, 2023Observed: 10.93 ft at 11:45AM May 28, 2023Observed: 10.95 ft at 12:00PM May 28, 2023Observed: 10.93 ft at 12:15PM May 28, 2023Observed: 10.89 ft at 12:30PM May 28, 2023Observed: 10.88 ft at 12:45PM May 28, 2023Observed: 10.83 ft at 1:00PM May 28, 2023Observed: 10.86 ft at 1:15PM May 28, 2023Observed: 10.84 ft at 1:30PM May 28, 2023Observed: 10.84 ft at 1:45PM May 28, 2023Observed: 10.81 ft at 2:00PM May 28, 2023Observed: 10.78 ft at 2:15PM May 28, 2023Observed: 10.76 ft at 2:30PM May 28, 2023Observed: 10.77 ft at 2:45PM May 28, 2023Observed: 10.72 ft at 3:00PM May 28, 2023Observed: 10.75 ft at 3:15PM May 28, 2023Observed: 10.69 ft at 3:30PM May 28, 2023Observed: 10.68 ft at 3:45PM May 28, 2023Observed: 10.68 ft at 4:00PM May 28, 2023Observed: 10.66 ft at 4:15PM May 28, 2023Observed: 10.64 ft at 4:30PM May 28, 2023Observed: 10.63 ft at 4:45PM May 28, 2023Observed: 10.57 ft at 5:00PM May 28, 2023Observed: 10.57 ft at 5:15PM May 28, 2023Observed: 10.56 ft at 5:30PM May 28, 2023Observed: 10.52 ft at 5:45PM May 28, 2023Observed: 10.51 ft at 6:00PM May 28, 2023Observed: 10.5 ft at 6:15PM May 28, 2023Observed: 10.49 ft at 6:30PM May 28, 2023Observed: 10.46 ft at 6:45PM May 28, 2023Observed: 10.49 ft at 7:00PM May 28, 2023Observed: 10.43 ft at 7:15PM May 28, 2023Observed: 10.44 ft at 7:30PM May 28, 2023Observed: 10.42 ft at 7:45PM May 28, 2023Observed: 10.43 ft at 8:00PM May 28, 2023Observed: 10.4 ft at 8:15PM May 28, 2023Observed: 10.41 ft at 8:30PM May 28, 2023Observed: 10.38 ft at 8:45PM May 28, 2023Observed: 10.38 ft at 9:00PM May 28, 2023Observed: 10.39 ft at 9:15PM May 28, 2023Observed: 10.4 ft at 9:30PM May 28, 2023Observed: 10.35 ft at 9:45PM May 28, 2023Observed: 10.36 ft at 10:00PM May 28, 2023Observed: 10.34 ft at 10:15PM May 28, 2023Observed: 10.32 ft at 10:30PM May 28, 2023Observed: 10.32 ft at 10:45PM May 28, 2023Observed: 10.32 ft at 11:00PM May 28, 2023Observed: 10.29 ft at 11:15PM May 28, 2023Observed: 10.3 ft at 11:30PM May 28, 2023Observed: 10.3 ft at 11:45PM May 28, 2023Observed: 10.31 ft at 12:00AM May 29, 2023Observed: 10.28 ft at 12:15AM May 29, 2023Observed: 10.25 ft at 12:30AM May 29, 2023Observed: 10.26 ft at 12:45AM May 29, 2023Observed: 10.24 ft at 1:00AM May 29, 2023Observed: 10.27 ft at 1:15AM May 29, 2023Observed: 10.25 ft at 1:30AM May 29, 2023Observed: 10.23 ft at 1:45AM May 29, 2023Observed: 10.2 ft at 2:00AM May 29, 2023Observed: 10.22 ft at 2:15AM May 29, 2023Observed: 10.22 ft at 2:30AM May 29, 2023Observed: 10.21 ft at 2:45AM May 29, 2023Observed: 10.2 ft at 3:00AM May 29, 2023Observed: 10.18 ft at 3:15AM May 29, 2023Observed: 10.2 ft at 3:30AM May 29, 2023Observed: 10.18 ft at 3:45AM May 29, 2023Observed: 10.17 ft at 4:00AM May 29, 2023Observed: 10.16 ft at 4:15AM May 29, 2023Observed: 10.17 ft at 4:30AM May 29, 2023Observed: 10.13 ft at 4:45AM May 29, 2023Observed: 10.15 ft at 5:00AM May 29, 2023Observed: 10.15 ft at 5:15AM May 29, 2023Observed: 10.11 ft at 5:30AM May 29, 2023Observed: 10.11 ft at 5:45AM May 29, 2023Observed: 10.11 ft at 6:00AM May 29, 2023Observed: 10.13 ft at 6:15AM May 29, 2023Observed: 10.12 ft at 6:30AM May 29, 2023Observed: 10.11 ft at 6:45AM May 29, 2023Observed: 10.08 ft at 7:00AM May 29, 2023Observed: 10.08 ft at 7:15AM May 29, 2023Observed: 10.05 ft at 7:30AM May 29, 2023Observed: 10.09 ft at 7:45AM May 29, 2023Observed: 10.07 ft at 8:00AM May 29, 2023Observed: 10.05 ft at 8:15AM May 29, 2023Observed: 10.01 ft at 8:30AM May 29, 2023Observed: 10.01 ft at 8:45AM May 29, 2023Observed: 10.06 ft at 9:00AM May 29, 2023Observed: 10.01 ft at 9:15AM May 29, 2023Observed: 9.98 ft at 9:30AM May 29, 2023Observed: 9.98 ft at 9:45AM May 29, 2023Observed: 9.95 ft at 10:00AM May 29, 2023Observed: 9.94 ft at 10:15AM May 29, 2023Observed: 9.93 ft at 10:30AM May 29, 2023Observed: 9.9 ft at 10:45AM May 29, 2023Observed: 9.89 ft at 11:00AM May 29, 2023Observed: 9.86 ft at 11:15AM May 29, 2023Observed: 9.83 ft at 11:30AM May 29, 2023Observed: 9.85 ft at 11:45AM May 29, 2023Observed: 9.83 ft at 12:00PM May 29, 2023Observed: 9.82 ft at 12:15PM May 29, 2023Observed: 9.82 ft at 12:30PM May 29, 2023Observed: 9.79 ft at 12:45PM May 29, 2023Observed: 9.76 ft at 1:00PM May 29, 2023Observed: 9.77 ft at 1:15PM May 29, 2023Observed: 9.75 ft at 1:30PM May 29, 2023Observed: 9.75 ft at 1:45PM May 29, 2023Observed: 9.73 ft at 2:00PM May 29, 2023Observed: 9.71 ft at 2:15PM May 29, 2023Observed: 9.69 ft at 2:30PM May 29, 2023Observed: 9.67 ft at 2:45PM May 29, 2023Observed: 9.66 ft at 3:00PM May 29, 2023Observed: 9.62 ft at 3:15PM May 29, 2023Observed: 9.64 ft at 3:30PM May 29, 2023Observed: 9.6 ft at 3:45PM May 29, 2023Observed: 9.58 ft at 4:00PM May 29, 2023Observed: 9.57 ft at 4:15PM May 29, 2023Observed: 9.54 ft at 4:30PM May 29, 2023Observed: 9.55 ft at 4:45PM May 29, 2023Observed: 9.53 ft at 5:00PM May 29, 2023Observed: 9.5 ft at 5:15PM May 29, 2023Observed: 9.5 ft at 5:30PM May 29, 2023Observed: 9.49 ft at 5:45PM May 29, 2023Observed: 9.46 ft at 6:00PM May 29, 2023Observed: 9.45 ft at 6:15PM May 29, 2023Observed: 9.44 ft at 6:30PM May 29, 2023Observed: 9.44 ft at 6:45PM May 29, 2023Observed: 9.4 ft at 7:00PM May 29, 2023Observed: 9.41 ft at 7:15PM May 29, 2023Observed: 9.38 ft at 7:30PM May 29, 2023Observed: 9.39 ft at 7:45PM May 29, 2023Observed: 9.36 ft at 8:00PM May 29, 2023Observed: 9.38 ft at 8:15PM May 29, 2023Observed: 9.37 ft at 8:30PM May 29, 2023Observed: 9.36 ft at 8:45PM May 29, 2023Observed: 9.36 ft at 9:00PM May 29, 2023Observed: 9.36 ft at 9:15PM May 29, 2023Observed: 9.36 ft at 9:30PM May 29, 2023Observed: 9.33 ft at 9:45PM May 29, 2023Observed: 9.3 ft at 10:00PM May 29, 2023Observed: 9.32 ft at 10:15PM May 29, 2023Observed: 9.31 ft at 10:30PM May 29, 2023Observed: 9.3 ft at 10:45PM May 29, 2023Observed: 9.31 ft at 11:00PM May 29, 2023Observed: 9.26 ft at 11:15PM May 29, 2023Observed: 9.31 ft at 11:30PM May 29, 2023Observed: 9.29 ft at 11:45PM May 29, 2023Observed: 9.25 ft at 12:00AM May 30, 2023Observed: 9.26 ft at 12:15AM May 30, 2023Observed: 9.29 ft at 12:30AM May 30, 2023Observed: 9.27 ft at 12:45AM May 30, 2023Observed: 9.23 ft at 1:00AM May 30, 2023Observed: 9.22 ft at 1:15AM May 30, 2023Observed: 9.23 ft at 1:30AM May 30, 2023Observed: 9.24 ft at 1:45AM May 30, 2023Observed: 9.24 ft at 2:00AM May 30, 2023Observed: 9.21 ft at 2:15AM May 30, 2023Observed: 9.19 ft at 2:30AM May 30, 2023Observed: 9.22 ft at 2:45AM May 30, 2023Observed: 9.22 ft at 3:00AM May 30, 2023Observed: 9.2 ft at 3:15AM May 30, 2023Observed: 9.17 ft at 3:30AM May 30, 2023Observed: 9.18 ft at 3:45AM May 30, 2023Observed: 9.18 ft at 4:00AM May 30, 2023Observed: 9.19 ft at 4:15AM May 30, 2023Observed: 9.18 ft at 4:30AM May 30, 2023Observed: 9.17 ft at 4:45AM May 30, 2023Observed: 9.13 ft at 5:00AM May 30, 2023Observed: 9.16 ft at 5:15AM May 30, 2023Observed: 9.14 ft at 5:30AM May 30, 2023Observed: 9.12 ft at 5:45AM May 30, 2023Observed: 9.15 ft at 6:00AM May 30, 2023Observed: 9.12 ft at 6:15AM May 30, 2023Observed: 9.13 ft at 6:30AM May 30, 2023Observed: 9.12 ft at 6:45AM May 30, 2023Observed: 9.11 ft at 7:00AM May 30, 2023Observed: 9.1 ft at 7:15AM May 30, 2023Observed: 9.1 ft at 7:30AM May 30, 2023Observed: 9.08 ft at 7:45AM May 30, 2023Observed: 9.1 ft at 8:00AM May 30, 2023Observed: 9.06 ft at 8:15AM May 30, 2023Observed: 9.06 ft at 8:30AM May 30, 2023Observed: 9.07 ft at 8:45AM May 30, 2023Observed: 9.06 ft at 9:00AM May 30, 2023Observed: 9.04 ft at 9:15AM May 30, 2023Observed: 9.04 ft at 9:30AM May 30, 2023Observed: 9.01 ft at 9:45AM May 30, 2023Observed: 9.02 ft at 10:00AM May 30, 2023Observed: 9.01 ft at 10:15AM May 30, 2023Observed: 8.99 ft at 10:30AM May 30, 2023Observed: 8.98 ft at 10:45AM May 30, 2023Observed: 9 ft at 11:00AM May 30, 2023Observed: 8.98 ft at 11:15AM May 30, 2023Observed: 8.95 ft at 11:30AM May 30, 2023Observed: 8.91 ft at 11:45AM May 30, 2023Observed: 8.9 ft at 12:00PM May 30, 2023Observed: 8.88 ft at 12:15PM May 30, 2023Observed: 8.86 ft at 12:30PM May 30, 2023Observed: 8.85 ft at 12:45PM May 30, 2023Observed: 8.84 ft at 1:00PM May 30, 2023Observed: 8.81 ft at 1:15PM May 30, 2023Observed: 8.79 ft at 1:30PM May 30, 2023Observed: 8.77 ft at 1:45PM May 30, 2023Observed: 8.76 ft at 2:00PM May 30, 2023Observed: 8.75 ft at 2:15PM May 30, 2023Observed: 8.74 ft at 2:30PM May 30, 2023Observed: 8.72 ft at 2:45PM May 30, 2023Observed: 8.68 ft at 3:00PM May 30, 2023Observed: 8.69 ft at 3:15PM May 30, 2023Observed: 8.66 ft at 3:30PM May 30, 2023Observed: 8.66 ft at 3:45PM May 30, 2023Observed: 8.67 ft at 4:00PM May 30, 2023Observed: 8.65 ft at 4:15PM May 30, 2023Observed: 8.64 ft at 4:30PM May 30, 2023Observed: 8.62 ft at 4:45PM May 30, 2023Observed: 8.6 ft at 5:00PM May 30, 2023Observed: 8.59 ft at 5:15PM May 30, 2023Observed: 8.61 ft at 5:30PM May 30, 2023Observed: 8.6 ft at 5:45PM May 30, 2023Observed: 8.57 ft at 6:00PM May 30, 2023Observed: 8.58 ft at 6:15PM May 30, 2023Observed: 8.54 ft at 6:30PM May 30, 2023Observed: 8.53 ft at 6:45PM May 30, 2023Observed: 8.52 ft at 7:00PM May 30, 2023Observed: 8.53 ft at 7:15PM May 30, 2023Observed: 8.5 ft at 7:30PM May 30, 2023Observed: 8.5 ft at 7:45PM May 30, 2023Observed: 8.47 ft at 8:00PM May 30, 2023Observed: 8.48 ft at 8:15PM May 30, 2023Observed: 8.46 ft at 8:30PM May 30, 2023Observed: 8.46 ft at 8:45PM May 30, 2023Observed: 8.47 ft at 9:00PM May 30, 2023Observed: 8.45 ft at 9:15PM May 30, 2023Observed: 8.44 ft at 9:30PM May 30, 2023Observed: 8.46 ft at 9:45PM May 30, 2023Observed: 8.44 ft at 10:00PM May 30, 2023Observed: 8.44 ft at 10:15PM May 30, 2023Observed: 8.44 ft at 10:30PM May 30, 2023Observed: 8.44 ft at 10:45PM May 30, 2023Observed: 8.39 ft at 11:00PM May 30, 2023Observed: 8.41 ft at 11:15PM May 30, 2023Observed: 8.37 ft at 11:30PM May 30, 2023Observed: 8.38 ft at 11:45PM May 30, 2023Observed: 8.4 ft at 12:00AM May 31, 2023Observed: 8.39 ft at 12:15AM May 31, 2023Observed: 8.35 ft at 12:30AM May 31, 2023Observed: 8.37 ft at 12:45AM May 31, 2023Observed: 8.34 ft at 1:00AM May 31, 2023Observed: 8.37 ft at 1:15AM May 31, 2023Observed: 8.37 ft at 1:30AM May 31, 2023Observed: 8.33 ft at 1:45AM May 31, 2023Observed: 8.34 ft at 2:00AM May 31, 2023Observed: 8.34 ft at 2:15AM May 31, 2023Observed: 8.35 ft at 2:30AM May 31, 2023Observed: 8.34 ft at 2:45AM May 31, 2023Observed: 8.34 ft at 3:00AM May 31, 2023Observed: 8.33 ft at 3:15AM May 31, 2023Observed: 8.33 ft at 3:30AM May 31, 2023Observed: 8.34 ft at 3:45AM May 31, 2023Observed: 8.33 ft at 4:00AM May 31, 2023Observed: 8.33 ft at 4:15AM May 31, 2023Observed: 8.3 ft at 4:30AM May 31, 2023Observed: 8.33 ft at 4:45AM May 31, 2023Observed: 8.31 ft at 5:00AM May 31, 2023Observed: 8.33 ft at 5:15AM May 31, 2023Observed: 8.3 ft at 5:30AM May 31, 2023Observed: 8.29 ft at 5:45AM May 31, 2023Observed: 8.32 ft at 6:00AM May 31, 2023Observed: 8.32 ft at 6:15AM May 31, 2023Observed: 8.31 ft at 6:30AM May 31, 2023Observed: 8.33 ft at 6:45AM May 31, 2023Observed: 8.34 ft at 7:00AM May 31, 2023Observed: 8.3 ft at 7:15AM May 31, 2023Observed: 8.34 ft at 7:30AM May 31, 2023Observed: 8.29 ft at 7:45AM May 31, 2023Observed: 8.32 ft at 8:00AM May 31, 2023Observed: 8.31 ft at 8:15AM May 31, 2023Observed: 8.35 ft at 8:30AM May 31, 2023Observed: 8.32 ft at 8:45AM May 31, 2023Observed: 8.29 ft at 9:00AM May 31, 2023Observed: 8.34 ft at 9:15AM May 31, 2023Observed: 8.31 ft at 9:30AM May 31, 2023Observed: 8.34 ft at 9:45AM May 31, 2023Observed: 8.32 ft at 10:00AM May 31, 2023Observed: 8.3 ft at 10:15AM May 31, 2023Observed: 8.3 ft at 10:30AM May 31, 2023Observed: 8.29 ft at 10:45AM May 31, 2023Observed: 8.29 ft at 11:00AM May 31, 2023Observed: 8.29 ft at 11:15AM May 31, 2023Observed: 8.27 ft at 11:30AM May 31, 2023Observed: 8.28 ft at 11:45AM May 31, 2023Observed: 8.31 ft at 12:00PM May 31, 2023Observed: 8.27 ft at 12:15PM May 31, 2023Observed: 8.27 ft at 12:30PM May 31, 2023Observed: 8.28 ft at 12:45PM May 31, 2023Observed: 8.25 ft at 1:00PM May 31, 2023Observed: 8.27 ft at 1:15PM May 31, 2023Observed: 8.28 ft at 1:30PM May 31, 2023Observed: 8.28 ft at 1:45PM May 31, 2023Observed: 8.27 ft at 2:00PM May 31, 2023Observed: 8.27 ft at 2:15PM May 31, 2023Observed: 8.26 ft at 2:30PM May 31, 2023Observed: 8.26 ft at 2:45PM May 31, 2023Observed: 8.28 ft at 3:00PM May 31, 2023Observed: 8.27 ft at 3:15PM May 31, 2023Observed: 8.25 ft at 3:30PM May 31, 2023Observed: 8.25 ft at 3:45PM May 31, 2023Observed: 8.26 ft at 4:00PM May 31, 2023Observed: 8.24 ft at 4:15PM May 31, 2023Observed: 8.24 ft at 4:30PM May 31, 2023Observed: 8.21 ft at 4:45PM May 31, 2023Observed: 8.24 ft at 5:00PM May 31, 2023Observed: 8.24 ft at 5:15PM May 31, 2023Observed: 8.26 ft at 5:30PM May 31, 2023Observed: 8.22 ft at 5:45PM May 31, 2023Observed: 8.23 ft at 6:00PM May 31, 2023Observed: 8.23 ft at 6:15PM May 31, 2023Observed: 8.23 ft at 6:30PM May 31, 2023Observed: 8.21 ft at 6:45PM May 31, 2023Observed: 8.19 ft at 7:00PM May 31, 2023Observed: 8.19 ft at 7:15PM May 31, 2023Observed: 8.16 ft at 7:30PM May 31, 2023Observed: 8.18 ft at 7:45PM May 31, 2023Observed: 8.15 ft at 8:00PM May 31, 2023Observed: 8.15 ft at 8:15PM May 31, 2023Observed: 8.14 ft at 8:30PM May 31, 2023Observed: 8.14 ft at 9:15PM May 31, 2023Observed: 8.13 ft at 9:30PM May 31, 2023Observed: 8.13 ft at 9:45PM May 31, 2023Observed: 8.11 ft at 10:00PM May 31, 2023Observed: 8.12 ft at 10:15PM May 31, 2023Observed: 8.12 ft at 10:30PM May 31, 2023Observed: 8.09 ft at 10:45PM May 31, 2023Observed: 8.08 ft at 11:00PM May 31, 2023Observed: 8.07 ft at 11:15PM May 31, 2023Observed: 8.07 ft at 11:30PM May 31, 2023Observed: 8.09 ft at 11:45PM May 31, 2023Observed: 8.06 ft at 12:00AM Jun 01, 2023Observed: 8.05 ft at 12:15AM Jun 01, 2023Observed: 8.07 ft at 12:30AM Jun 01, 2023Observed: 8.03 ft at 12:45AM Jun 01, 2023Observed: 8.04 ft at 1:00AM Jun 01, 2023Observed: 8.06 ft at 1:15AM Jun 01, 2023Observed: 8.03 ft at 1:30AM Jun 01, 2023Observed: 8.03 ft at 1:45AM Jun 01, 2023Observed: 7.99 ft at 2:00AM Jun 01, 2023Observed: 8.01 ft at 2:15AM Jun 01, 2023Observed: 7.98 ft at 2:30AM Jun 01, 2023Observed: 8.01 ft at 2:45AM Jun 01, 2023Observed: 8.02 ft at 3:00AM Jun 01, 2023Observed: 8 ft at 3:15AM Jun 01, 2023Observed: 7.99 ft at 3:30AM Jun 01, 2023Observed: 7.99 ft at 3:45AM Jun 01, 2023Observed: 8 ft at 4:00AM Jun 01, 2023Observed: 7.96 ft at 4:15AM Jun 01, 2023Observed: 7.98 ft at 4:30AM Jun 01, 2023Observed: 8 ft at 4:45AM Jun 01, 2023Observed: 7.96 ft at 5:00AM Jun 01, 2023Observed: 7.97 ft at 5:15AM Jun 01, 2023Observed: 7.99 ft at 5:30AM Jun 01, 2023Observed: 7.96 ft at 5:45AM Jun 01, 2023Observed: 7.97 ft at 6:00AM Jun 01, 2023Observed: 7.95 ft at 6:15AM Jun 01, 2023Observed: 7.92 ft at 6:30AM Jun 01, 2023Observed: 7.95 ft at 6:45AM Jun 01, 2023Observed: 7.96 ft at 7:00AM Jun 01, 2023Observed: 7.95 ft at 7:15AM Jun 01, 2023Observed: 7.92 ft at 7:30AM Jun 01, 2023Observed: 7.94 ft at 7:45AM Jun 01, 2023Observed: 7.94 ft at 8:00AM Jun 01, 2023Observed: 7.94 ft at 8:15AM Jun 01, 2023Observed: 7.91 ft at 8:30AM Jun 01, 2023Observed: 7.91 ft at 8:45AM Jun 01, 2023Observed: 7.93 ft at 9:00AM Jun 01, 2023Observed: 7.93 ft at 9:15AM Jun 01, 2023Observed: 7.91 ft at 9:30AM Jun 01, 2023Observed: 7.91 ft at 9:45AM Jun 01, 2023Observed: 7.92 ft at 10:00AM Jun 01, 2023Observed: 7.91 ft at 10:15AM Jun 01, 2023Observed: 7.93 ft at 10:30AM Jun 01, 2023Observed: 7.9 ft at 10:45AM Jun 01, 2023Observed: 7.92 ft at 11:00AM Jun 01, 2023Observed: 7.91 ft at 11:15AM Jun 01, 2023Observed: 7.93 ft at 11:30AM Jun 01, 2023Observed: 7.91 ft at 11:45AM Jun 01, 2023Observed: 7.92 ft at 12:00PM Jun 01, 2023Observed: 7.93 ft at 12:15PM Jun 01, 2023Observed: 7.93 ft at 12:30PM Jun 01, 2023Observed: 7.92 ft at 12:45PM Jun 01, 2023Observed: 7.91 ft at 1:00PM Jun 01, 2023Observed: 7.91 ft at 1:15PM Jun 01, 2023Observed: 7.92 ft at 1:30PM Jun 01, 2023Observed: 7.93 ft at 1:45PM Jun 01, 2023Observed: 7.95 ft at 2:00PM Jun 01, 2023Observed: 7.95 ft at 2:15PM Jun 01, 2023Observed: 7.96 ft at 2:30PM Jun 01, 2023Observed: 7.94 ft at 2:45PM Jun 01, 2023Observed: 7.94 ft at 3:00PM Jun 01, 2023Observed: 7.94 ft at 3:15PM Jun 01, 2023Observed: 7.92 ft at 3:30PM Jun 01, 2023Observed: 7.94 ft at 3:45PM Jun 01, 2023Observed: 7.94 ft at 4:00PM Jun 01, 2023Observed: 7.94 ft at 4:15PM Jun 01, 2023Observed: 7.95 ft at 4:30PM Jun 01, 2023Observed: 7.95 ft at 4:45PM Jun 01, 2023Observed: 7.93 ft at 5:00PM Jun 01, 2023Observed: 7.95 ft at 5:15PM Jun 01, 2023Observed: 7.93 ft at 5:30PM Jun 01, 2023Observed: 7.92 ft at 5:45PM Jun 01, 2023Observed: 7.93 ft at 6:00PM Jun 01, 2023Observed: 7.93 ft at 6:15PM Jun 01, 2023Observed: 7.91 ft at 6:30PM Jun 01, 2023Observed: 7.93 ft at 6:45PM Jun 01, 2023Observed: 7.91 ft at 7:00PM Jun 01, 2023Observed: 7.92 ft at 7:15PM Jun 01, 2023Observed: 7.93 ft at 7:30PM Jun 01, 2023Observed: 7.92 ft at 7:45PM Jun 01, 2023Observed: 7.9 ft at 8:00PM Jun 01, 2023Observed: 7.9 ft at 8:15PM Jun 01, 2023Observed: 7.92 ft at 8:30PM Jun 01, 2023Observed: 7.93 ft at 8:45PM Jun 01, 2023Observed: 7.89 ft at 9:00PM Jun 01, 2023Observed: 7.92 ft at 9:15PM Jun 01, 2023Observed: 7.9 ft at 9:30PM Jun 01, 2023Observed: 7.9 ft at 9:45PM Jun 01, 2023Observed: 7.92 ft at 10:00PM Jun 01, 2023Observed: 7.92 ft at 10:15PM Jun 01, 2023Observed: 7.9 ft at 10:30PM Jun 01, 2023Observed: 7.9 ft at 10:45PM Jun 01, 2023Observed: 7.92 ft at 11:00PM Jun 01, 2023Observed: 7.93 ft at 11:15PM Jun 01, 2023Observed: 7.91 ft at 11:30PM Jun 01, 2023Observed: 7.91 ft at 11:45PM Jun 01, 2023Observed: 7.89 ft at 12:00AM Jun 02, 2023Observed: 7.9 ft at 12:15AM Jun 02, 2023Observed: 7.88 ft at 12:30AM Jun 02, 2023Observed: 7.9 ft at 12:45AM Jun 02, 2023Observed: 7.86 ft at 1:00AM Jun 02, 2023Observed: 7.9 ft at 1:15AM Jun 02, 2023Observed: 7.88 ft at 1:30AM Jun 02, 2023Observed: 7.87 ft at 1:45AM Jun 02, 2023Observed: 7.83 ft at 2:00AM Jun 02, 2023Observed: 7.87 ft at 2:15AM Jun 02, 2023Observed: 7.86 ft at 2:30AM Jun 02, 2023Observed: 7.85 ft at 2:45AM Jun 02, 2023Observed: 7.85 ft at 3:00AM Jun 02, 2023Observed: 7.84 ft at 3:15AM Jun 02, 2023Observed: 7.82 ft at 3:30AM Jun 02, 2023Observed: 7.84 ft at 3:45AM Jun 02, 2023Observed: 7.83 ft at 4:00AM Jun 02, 2023Observed: 7.84 ft at 4:15AM Jun 02, 2023Observed: 7.83 ft at 4:30AM Jun 02, 2023Observed: 7.83 ft at 4:45AM Jun 02, 2023Observed: 7.81 ft at 5:00AM Jun 02, 2023Observed: 7.78 ft at 5:15AM Jun 02, 2023Observed: 7.82 ft at 5:30AM Jun 02, 2023Observed: 7.8 ft at 5:45AM Jun 02, 2023Observed: 7.82 ft at 6:00AM Jun 02, 2023Observed: 7.8 ft at 6:15AM Jun 02, 2023Observed: 7.78 ft at 6:30AM Jun 02, 2023Observed: 7.79 ft at 6:45AM Jun 02, 2023Observed: 7.79 ft at 7:00AM Jun 02, 2023Observed: 7.81 ft at 7:15AM Jun 02, 2023Observed: 7.79 ft at 7:30AM Jun 02, 2023Observed: 7.77 ft at 7:45AM Jun 02, 2023Observed: 7.77 ft at 8:00AM Jun 02, 2023Observed: 7.77 ft at 8:15AM Jun 02, 2023Observed: 7.79 ft at 8:30AM Jun 02, 2023Observed: 7.76 ft at 8:45AM Jun 02, 2023Observed: 7.77 ft at 9:00AM Jun 02, 2023Observed: 7.76 ft at 9:15AM Jun 02, 2023Observed: 7.74 ft at 9:30AM Jun 02, 2023Observed: 7.73 ft at 9:45AM Jun 02, 2023Observed: 7.72 ft at 10:00AM Jun 02, 2023Observed: 7.73 ft at 10:15AM Jun 02, 2023Observed: 7.72 ft at 10:30AM Jun 02, 2023Observed: 7.71 ft at 10:45AM Jun 02, 2023Observed: 7.69 ft at 11:00AM Jun 02, 2023Observed: 7.68 ft at 11:15AM Jun 02, 2023Observed: 7.71 ft at 11:30AM Jun 02, 2023Observed: 7.69 ft at 11:45AM Jun 02, 2023Observed: 7.72 ft at 12:00PM Jun 02, 2023Observed: 7.68 ft at 12:15PM Jun 02, 2023Observed: 7.7 ft at 12:30PM Jun 02, 2023Observed: 7.7 ft at 12:45PM Jun 02, 2023Observed: 7.7 ft at 1:00PM Jun 02, 2023Observed: 7.69 ft at 1:15PM Jun 02, 2023Observed: 7.67 ft at 1:30PM Jun 02, 2023Observed: 7.69 ft at 1:45PM Jun 02, 2023Observed: 7.69 ft at 2:00PM Jun 02, 2023Observed: 7.68 ft at 2:15PM Jun 02, 2023Observed: 7.69 ft at 2:30PM Jun 02, 2023Observed: 7.69 ft at 2:45PM Jun 02, 2023Observed: 7.66 ft at 3:00PM Jun 02, 2023Observed: 7.67 ft at 3:15PM Jun 02, 2023Observed: 7.68 ft at 3:30PM Jun 02, 2023Observed: 7.68 ft at 3:45PM Jun 02, 2023Observed: 7.64 ft at 4:00PM Jun 02, 2023Observed: 7.66 ft at 4:15PM Jun 02, 2023Observed: 7.63 ft at 4:30PM Jun 02, 2023Observed: 7.64 ft at 4:45PM Jun 02, 2023Observed: 7.65 ft at 5:00PM Jun 02, 2023Observed: 7.63 ft at 5:15PM Jun 02, 2023Observed: 7.65 ft at 5:30PM Jun 02, 2023Observed: 7.63 ft at 5:45PM Jun 02, 2023Observed: 7.63 ft at 6:00PM Jun 02, 2023Observed: 7.61 ft at 6:15PM Jun 02, 2023Observed: 7.61 ft at 6:30PM Jun 02, 2023Observed: 7.59 ft at 6:45PM Jun 02, 2023Observed: 7.59 ft at 7:00PM Jun 02, 2023Observed: 7.57 ft at 7:15PM Jun 02, 2023Observed: 7.57 ft at 7:30PM Jun 02, 2023Observed: 7.56 ft at 7:45PM Jun 02, 2023Observed: 7.58 ft at 8:00PM Jun 02, 2023Observed: 7.56 ft at 8:15PM Jun 02, 2023Observed: 7.53 ft at 8:30PM Jun 02, 2023Observed: 7.53 ft at 9:15PM Jun 02, 2023Observed: 7.51 ft at 9:30PM Jun 02, 2023Observed: 7.51 ft at 9:45PM Jun 02, 2023Observed: 7.51 ft at 10:00PM Jun 02, 2023Observed: 7.5 ft at 10:15PM Jun 02, 2023Observed: 7.51 ft at 10:30PM Jun 02, 2023Observed: 7.5 ft at 10:45PM Jun 02, 2023Observed: 7.49 ft at 11:00PM Jun 02, 2023Observed: 7.47 ft at 11:15PM Jun 02, 2023Observed: 7.49 ft at 11:30PM Jun 02, 2023Observed: 7.45 ft at 11:45PM Jun 02, 2023Observed: 7.45 ft at 12:00AM Jun 03, 2023Observed: 7.44 ft at 12:15AM Jun 03, 2023Observed: 7.44 ft at 12:30AM Jun 03, 2023Observed: 7.43 ft at 12:45AM Jun 03, 2023Observed: 7.39 ft at 1:00AM Jun 03, 2023Observed: 7.41 ft at 1:15AM Jun 03, 2023Observed: 7.42 ft at 1:30AM Jun 03, 2023Observed: 7.39 ft at 1:45AM Jun 03, 2023Observed: 7.4 ft at 2:00AM Jun 03, 2023Observed: 7.41 ft at 2:15AM Jun 03, 2023Observed: 7.39 ft at 2:30AM Jun 03, 2023USGS--Water Resources of the United StatesARNM7(plotting HGIRG) Graph Created (3:25AM Jun 3, 2023)ObservedLatest observed value: 7.39 ft at 2:30 AM CDT 3-Jun-2023. Flood Stage is 24 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Meramec River at Arnold are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Fenton Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 38
Moderate Flood Stage: 35
Flood Stage: 24
Action Stage: 22
Low Stage (in feet): -9999

Historic Crests
(1) 47.26 ft on 12/31/2015
(2) 45.62 ft on 05/03/2017
(3) 45.30 ft on 08/01/1993
(4) 43.90 ft on 12/06/1982
(5) 42.35 ft on 06/09/2019
(6) 41.70 ft on 04/14/1994
(7) 41.10 ft on 05/21/1995
(8) 39.80 ft on 05/04/1983
(9) 39.35 ft on 03/22/2008
(10) 39.05 ft on 06/04/2013
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 26.50 ft on 03/28/2023
(2) 29.37 ft on 05/08/2022
(3) 24.38 ft on 04/03/2022
(4) 27.21 ft on 06/28/2021
(5) 26.61 ft on 04/14/2021
(6) 30.01 ft on 03/21/2021
(7) 29.18 ft on 06/01/2020
(8) 26.79 ft on 05/20/2020
(9) 26.99 ft on 04/30/2020
(10) 29.04 ft on 03/22/2020
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 4.30 ft on 03/11/1989
(2) 5.36 ft on 09/09/2001
(3) 5.47 ft on 07/28/2012
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:15
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 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
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47 Near this height, Suson Way Court off Wells Road and Kerth Forest Drive near Kerth Road begin flooding.
46.5 During the flood of December 2015, MODOT closed I-55 in both directions near this height.
43.5 Missouri Highway 141 near Springdale Park and Hilltop Drive will close near this height.
43 Keystone Court walk-out basements and patios in south Fenton begin flooding near this height.
42.9 Missouri Route 21, also known as Tesson Ferry Road, is closed near this height.
42.5 Water enters the office trailer at used car lot at the bottom of Hilltop Drive near Highway 141 and Romaine Creek.
40.5 Near this height, Heintz Road near New Baumgartner Road begins flooding.
40 Winter Valley Drive walk-out basements in south Fenton start flooding near this height.
39.5 The houses along Convair Drive in Arnold begin flooding.
38 Near this height, Yaeger Road near the Mattese Creek bridge begins flooding.
37.4 Homes on Countryside Circle, Eljon Drive, Babbs Lane, and Lavernal Lane begin flooding.
36.5 Houses on Cool Valley Drive east of Highway 141 begin flooding. In Arnold, the corner of Convair Drive and Douglas Drive begins flooding.
36.4 In South County, New Baumgartner Road near the Mattese Creek bridge southwest of Heintz Road begins to flood.
35.1 Intersection of Romaine Creek Road and Old Missouri 141 begins flooding.
35 Covered Bridge RV Park and Storage begins flooding near this height east of Highway 141.
34.5 Meramec Bottom Road floods near Quail Creek Golf Club near this level.
34.3 Near this height, Old Baumgartner Road begins flooding near the Mattese Creek bridge.
32 Near this height, New Baumgartner Road in front of the Fred Weber Quarry begins flooding.
31 Near this height, Old Baumgartner Road near Brookstone Terrace Drive begins flooding.
30 Wells Road below Suson Woods begins flooding at this height.
27 Meramec Bottom Road between Wells Road and Kerth Road begins flooding near this height.
26 Athletic fields east of I-55 begin flooding near this height.
25.1 St. Louis County closes the following roads at this height: Butler Hill west of Summerhedge Place, Meramec Bottom Road between Hageman Road and Highway 21, Hawkins Road south of Meramec Bottom Road, and Old Telegraph Road at Earl Widman County Park.
24.7 Hawkins Road south of Meramec Bottom Road begins flooding.
24 Corisande Hills Road begins flooding at this height. Meramec Bottom Road between Hageman Road and Highway 21 begins flooding.
23.9 The boat ramp and fishing banks at Flamm City Access and the fishing banks at Arnold City Park are flooded near this height. At Flamm City Access, this height will vary with the Mississippi River flow.
23 Old Telegraph Road at Earl Widman County Park and Butler Hill Road West beyond Summerhedge Place begin flooding.
22.2 Near this height, the parking lot at Flamm City Access near the Telegraph Road bridge begins flooding. This gage height will vary with the flow on the Mississippi River.
Photos
(1) Flooding in Springdale Park businesses (since demolished) near 141 and old 141 in early May 2017.
(2) Flooded garages and basements along Kerth Road on May 3, 2017 at a stage near 45.5 feet.
(3) Bait shop along Tesson Ferry Road (Hwy 21) on May 3, 2017 at a stage near 45.5 feet.
(4) Meramec Bottom Road below Kerth Road on May 3, 2017 at a stage near 45.5 feet.
(5) Businesses along Meramec Bottom Road east of I-55 on May 3, 2017 at a stage near 45.5 feet.
(6) Homes along Spruce Court in Arnold on May 3, 2017 at a stage near 45.5 feet.
(7) Right hand lane of I-55 southbound on May 3, 2017 at a stage near 45.5 feet.
(8) Highway 21 (Tesson Ferry Rd) flooded at the Meramec bridge on May 3, 2017 at a stage near 45.5 feet.
(9) Aerial view of Jeffco Boulevard during the flood of March, 2008.
(10) Business on Tesson Ferry Road on March 22, 2008 with a stage near 39.2 ft.
(11) House near Tesson Ferry on March 22, 2008 at 39.2 feet.
(12) Residence viewed from Highway 141 near Harper Lane on March 22, 2008 with a stage near 39 feet.
(13) House on Convair Drive on March 22, 2008 with a stage near 39.3 feet.
(14) House east of the Tesson Ferry bridge on March 22, 2008 at a stage of 39.2 feet.
(15) Baumgartner Road near the railroad overpass on March 22, 2008 with a stage near 39.3 feet.
(16) East end of Baumgartner Road on March 22, 2008 with a stage near 39.3 feet.
(17) Meramec Bottom Road just west of I-55 on March 22, 2008 with a stage near 39.3 feet.
(18) Springdale Park entrance at Highway 141 on March 22, 2008 with a stage near 39 feet.
(19) Springdale Park and Pool on March 22, 2008 with a stage near 39 feet.
(20) Entrance to Melbourne Drive just north of the Arnold gage on March 22, 2008 at a stage of 39.3 feet.
(21) The end of Convair Drive in Arnold on March 22, 2008 at a stage of 39.2 feet.
(22) Arnold City pump and generator on March 22, 2008 at a stage of 39.3 feet.
(23) Arnold City Park at Hollywood Beach Rd. and Bradley Beach Rd. on March 22, 2008 at 39.3 feet.
(24) Threatened property near Keller Drive on March 22, 2008 at a stage of 39.3 feet.
(25) End of Mabel Drive on March 22, 2008 at a stage of 39.3 feet.
(26) Entrance to Earl Widman County Park at Old Telegraph Road on March 22, 2008 with a stage near 39 ft.
(27) Old Telegraph Road entrace to Earl Widman County Park on June 28, 2010 with a stage near 31.9 ft.
(28) Soccer fields at Meramec Bottom Rd. at Edgewood Beach Rd. on June 28, 2010 with a stage of 31.9 ft.
(29) Meramec Bottom Road near Edgewood Beach Road on June 28, 2010 with a stage near 31.9 feet.
(30) Corisande Hills Road below Mountain Trail Road on June 28, 2010 with a stage near 31.9 ft.
(31) Meramec Bottom Road at Wells Road on June 28, 2010 with a stage near 31.9 feet.
(32) Hawkins Road south of Meramec Bottom Road on June 28, 2010 with a stage near 31.9 feet.
(33) Meramec Bottom Road between Hageman Road and Highway 21 on June 28, 2010 with a stage near 31.9 ft.
(34) North end of Meramec Bottom Road at Highway 21 on June 28, 2010 with a stage near 31.9 ft.
(35) West end of Butler Hill Road on June 28, 2010 with a stage near 31.9 feet.
(36) Flooding at Lemay Ferry Road bridge on May 14, 2007 at a stage of 26.11 feet.
(37) Flooding near Arnold City Park on May 14, 2007 at a stage of 26.11 feet.
(38) Flooding near Arnold City Park on May 14, 2007 at a stage of 26.11 feet.
(39) Looking downstream of gage on 5 May 2007
(40) Meramec River at Arnold, MO gaging station
About This Location Collapse

Latitude: 38.456667° N, Longitude: 90.360556° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 24 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 372.94 ft 396.94 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 373.21 ft 397.21 ft 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
National Weather Service
St. Louis Weather Forecast Office
12 Missouri Research Park Drive
St. Charles, MO 63304
(636) 441-8467
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