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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 Valley Park Stage (ft)Flow (kcfs)Observed: -1.86 ft at 5:30PM May 28, 2023Observed: -1.86 ft at 5:45PM May 28, 2023Observed: -1.87 ft at 6:00PM May 28, 2023Observed: -1.87 ft at 6:15PM May 28, 2023Observed: -1.87 ft at 6:30PM May 28, 2023Observed: -1.87 ft at 6:45PM May 28, 2023Observed: -1.87 ft at 7:00PM May 28, 2023Observed: -1.87 ft at 7:15PM May 28, 2023Observed: -1.87 ft at 7:30PM May 28, 2023Observed: -1.87 ft at 7:45PM May 28, 2023Observed: -1.87 ft at 8:00PM May 28, 2023Observed: -1.87 ft at 8:15PM May 28, 2023Observed: -1.88 ft at 8:30PM May 28, 2023Observed: -1.88 ft at 8:45PM May 28, 2023Observed: -1.88 ft at 9:00PM May 28, 2023Observed: -1.88 ft at 9:15PM May 28, 2023Observed: -1.88 ft at 9:30PM May 28, 2023Observed: -1.88 ft at 9:45PM May 28, 2023Observed: -1.88 ft at 10:00PM May 28, 2023Observed: -1.88 ft at 10:15PM May 28, 2023Observed: -1.89 ft at 10:30PM May 28, 2023Observed: -1.89 ft at 10:45PM May 28, 2023Observed: -1.89 ft at 11:00PM May 28, 2023Observed: -1.89 ft at 11:15PM May 28, 2023Observed: -1.89 ft at 11:30PM May 28, 2023Observed: -1.89 ft at 11:45PM May 28, 2023Observed: -1.89 ft at 12:00AM May 29, 2023Observed: -1.89 ft at 12:15AM May 29, 2023Observed: -1.89 ft at 12:30AM May 29, 2023Observed: -1.89 ft at 12:45AM May 29, 2023Observed: -1.89 ft at 1:00AM May 29, 2023Observed: -1.9 ft at 1:15AM May 29, 2023Observed: -1.9 ft at 1:30AM May 29, 2023Observed: -1.9 ft at 1:45AM May 29, 2023Observed: -1.89 ft at 2:00AM May 29, 2023Observed: -1.9 ft at 2:15AM May 29, 2023Observed: -1.9 ft at 2:30AM May 29, 2023Observed: -1.9 ft at 2:45AM May 29, 2023Observed: -1.9 ft at 3:00AM May 29, 2023Observed: -1.91 ft at 3:15AM May 29, 2023Observed: -1.9 ft at 3:30AM May 29, 2023Observed: -1.91 ft at 3:45AM May 29, 2023Observed: -1.91 ft at 4:00AM May 29, 2023Observed: -1.91 ft at 4:15AM May 29, 2023Observed: -1.91 ft at 4:30AM May 29, 2023Observed: -1.91 ft at 4:45AM May 29, 2023Observed: -1.92 ft at 5:00AM May 29, 2023Observed: -1.92 ft at 5:15AM May 29, 2023Observed: -1.92 ft at 5:30AM May 29, 2023Observed: -1.92 ft at 5:45AM May 29, 2023Observed: -1.92 ft at 6:00AM May 29, 2023Observed: -1.92 ft at 6:15AM May 29, 2023Observed: -1.92 ft at 6:30AM May 29, 2023Observed: -1.92 ft at 6:45AM May 29, 2023Observed: -1.92 ft at 7:00AM May 29, 2023Observed: -1.93 ft at 7:15AM May 29, 2023Observed: -1.93 ft at 7:30AM May 29, 2023Observed: -1.93 ft at 7:45AM May 29, 2023Observed: -1.93 ft at 8:00AM May 29, 2023Observed: -1.93 ft at 8:15AM May 29, 2023Observed: -1.93 ft at 8:30AM May 29, 2023Observed: -1.93 ft at 8:45AM May 29, 2023Observed: -1.93 ft at 9:00AM May 29, 2023Observed: -1.93 ft at 9:15AM May 29, 2023Observed: -1.93 ft at 9:30AM May 29, 2023Observed: -1.93 ft at 9:45AM May 29, 2023Observed: -1.93 ft at 10:00AM May 29, 2023Observed: -1.94 ft at 10:15AM May 29, 2023Observed: -1.93 ft at 10:30AM May 29, 2023Observed: -1.93 ft at 10:45AM May 29, 2023Observed: -1.94 ft at 11:00AM May 29, 2023Observed: -1.93 ft at 11:15AM May 29, 2023Observed: -1.93 ft at 11:30AM May 29, 2023Observed: -1.93 ft at 11:45AM May 29, 2023Observed: -1.93 ft at 12:00PM May 29, 2023Observed: -1.94 ft at 12:15PM May 29, 2023Observed: -1.93 ft at 12:30PM May 29, 2023Observed: -1.94 ft at 12:45PM May 29, 2023Observed: -1.93 ft at 1:00PM May 29, 2023Observed: -1.93 ft at 1:15PM May 29, 2023Observed: -1.93 ft at 1:30PM May 29, 2023Observed: -1.93 ft at 1:45PM May 29, 2023Observed: -1.93 ft at 2:00PM May 29, 2023Observed: -1.93 ft at 2:15PM May 29, 2023Observed: -1.94 ft at 2:30PM May 29, 2023Observed: -1.94 ft at 2:45PM May 29, 2023Observed: -1.94 ft at 3:00PM May 29, 2023Observed: -1.94 ft at 3:15PM May 29, 2023Observed: -1.94 ft at 3:30PM May 29, 2023Observed: -1.94 ft at 3:45PM May 29, 2023Observed: -1.94 ft at 4:00PM May 29, 2023Observed: -1.95 ft at 4:15PM May 29, 2023Observed: -1.95 ft at 4:30PM May 29, 2023Observed: -1.95 ft at 4:45PM May 29, 2023Observed: -1.95 ft at 5:00PM May 29, 2023Observed: -1.95 ft at 5:15PM May 29, 2023Observed: -1.95 ft at 5:30PM May 29, 2023Observed: -1.95 ft at 5:45PM May 29, 2023Observed: -1.95 ft at 6:00PM May 29, 2023Observed: -1.95 ft at 6:15PM May 29, 2023Observed: -1.96 ft at 6:30PM May 29, 2023Observed: -1.96 ft at 6:45PM May 29, 2023Observed: -1.95 ft at 7:00PM May 29, 2023Observed: -1.95 ft at 7:15PM May 29, 2023Observed: -1.96 ft at 7:30PM May 29, 2023Observed: -1.96 ft at 7:45PM May 29, 2023Observed: -1.96 ft at 8:00PM May 29, 2023Observed: -1.96 ft at 8:15PM May 29, 2023Observed: -1.95 ft at 8:30PM May 29, 2023Observed: -1.95 ft at 8:45PM May 29, 2023Observed: -1.96 ft at 9:00PM May 29, 2023Observed: -1.96 ft at 9:15PM May 29, 2023Observed: -1.96 ft at 9:30PM May 29, 2023Observed: -1.96 ft at 9:45PM May 29, 2023Observed: -1.96 ft at 10:00PM May 29, 2023Observed: -1.96 ft at 10:15PM May 29, 2023Observed: -1.96 ft at 10:30PM May 29, 2023Observed: -1.96 ft at 10:45PM May 29, 2023Observed: -1.97 ft at 11:00PM May 29, 2023Observed: -1.96 ft at 11:15PM May 29, 2023Observed: -1.96 ft at 11:30PM May 29, 2023Observed: -1.97 ft at 11:45PM May 29, 2023Observed: -1.97 ft at 12:00AM May 30, 2023Observed: -1.97 ft at 12:15AM May 30, 2023Observed: -1.97 ft at 12:30AM May 30, 2023Observed: -1.97 ft at 12:45AM May 30, 2023Observed: -1.97 ft at 1:00AM May 30, 2023Observed: -1.97 ft at 1:15AM May 30, 2023Observed: -1.98 ft at 1:30AM May 30, 2023Observed: -1.97 ft at 1:45AM May 30, 2023Observed: -1.97 ft at 2:00AM May 30, 2023Observed: -1.98 ft at 2:15AM May 30, 2023Observed: -1.98 ft at 2:30AM May 30, 2023Observed: -1.98 ft at 2:45AM May 30, 2023Observed: -1.98 ft at 3:00AM May 30, 2023Observed: -1.98 ft at 3:15AM May 30, 2023Observed: -1.98 ft at 3:30AM May 30, 2023Observed: -1.98 ft at 3:45AM May 30, 2023Observed: -1.98 ft at 4:00AM May 30, 2023Observed: -1.98 ft at 4:15AM May 30, 2023Observed: -1.99 ft at 4:30AM May 30, 2023Observed: -1.99 ft at 4:45AM May 30, 2023Observed: -1.99 ft at 5:00AM May 30, 2023Observed: -1.99 ft at 5:15AM May 30, 2023Observed: -1.99 ft at 5:30AM May 30, 2023Observed: -1.99 ft at 5:45AM May 30, 2023Observed: -2 ft at 6:00AM May 30, 2023Observed: -2 ft at 6:15AM May 30, 2023Observed: -2 ft at 6:30AM May 30, 2023Observed: -2 ft at 6:45AM May 30, 2023Observed: -2 ft at 7:00AM May 30, 2023Observed: -2 ft at 7:15AM May 30, 2023Observed: -2 ft at 7:30AM May 30, 2023Observed: -2 ft at 7:45AM May 30, 2023Observed: -2 ft at 8:00AM May 30, 2023Observed: -2 ft at 8:15AM May 30, 2023Observed: -2 ft at 8:30AM May 30, 2023Observed: -2 ft at 8:45AM May 30, 2023Observed: -2 ft at 9:00AM May 30, 2023Observed: -1.99 ft at 9:15AM May 30, 2023Observed: -2 ft at 9:30AM May 30, 2023Observed: -2 ft at 9:45AM May 30, 2023Observed: -2 ft at 10:00AM May 30, 2023Observed: -1.99 ft at 10:15AM May 30, 2023Observed: -2 ft at 10:30AM May 30, 2023Observed: -2 ft at 10:45AM May 30, 2023Observed: -2 ft at 11:00AM May 30, 2023Observed: -2 ft at 11:15AM May 30, 2023Observed: -1.99 ft at 11:30AM May 30, 2023Observed: -2 ft at 11:45AM May 30, 2023Observed: -2 ft at 12:00PM May 30, 2023Observed: -2 ft at 12:15PM May 30, 2023Observed: -2 ft at 12:30PM May 30, 2023Observed: -2.01 ft at 12:45PM May 30, 2023Observed: -2 ft at 1:00PM May 30, 2023Observed: -2.01 ft at 1:15PM May 30, 2023Observed: -2.01 ft at 1:30PM May 30, 2023Observed: -2 ft at 1:45PM May 30, 2023Observed: -2 ft at 2:00PM May 30, 2023Observed: -2 ft at 2:15PM May 30, 2023Observed: -2.01 ft at 2:30PM May 30, 2023Observed: -2 ft at 2:45PM May 30, 2023Observed: -2 ft at 3:00PM May 30, 2023Observed: -2.01 ft at 3:15PM May 30, 2023Observed: -2.01 ft at 3:30PM May 30, 2023Observed: -2.01 ft at 3:45PM May 30, 2023Observed: -2.01 ft at 4:00PM May 30, 2023Observed: -2.01 ft at 4:15PM May 30, 2023Observed: -2.01 ft at 4:30PM May 30, 2023Observed: -2.01 ft at 4:45PM May 30, 2023Observed: -2.01 ft at 5:00PM May 30, 2023Observed: -2.01 ft at 5:15PM May 30, 2023Observed: -2.02 ft at 5:30PM May 30, 2023Observed: -2.02 ft at 5:45PM May 30, 2023Observed: -2.02 ft at 6:00PM May 30, 2023Observed: -2.02 ft at 6:15PM May 30, 2023Observed: -2.02 ft at 6:30PM May 30, 2023Observed: -2.02 ft at 6:45PM May 30, 2023Observed: -2.02 ft at 7:00PM May 30, 2023Observed: -2.02 ft at 7:15PM May 30, 2023Observed: -2.02 ft at 7:30PM May 30, 2023Observed: -2.02 ft at 7:45PM May 30, 2023Observed: -2.02 ft at 8:00PM May 30, 2023Observed: -2.02 ft at 8:15PM May 30, 2023Observed: -2.02 ft at 8:30PM May 30, 2023Observed: -2.02 ft at 8:45PM May 30, 2023Observed: -2.02 ft at 9:00PM May 30, 2023Observed: -2.02 ft at 9:15PM May 30, 2023Observed: -2.02 ft at 9:30PM May 30, 2023Observed: -2.02 ft at 9:45PM May 30, 2023Observed: -2.02 ft at 10:00PM May 30, 2023Observed: -2.02 ft at 10:15PM May 30, 2023Observed: -2.02 ft at 10:30PM May 30, 2023Observed: -2.02 ft at 10:45PM May 30, 2023Observed: -2.02 ft at 11:00PM May 30, 2023Observed: -2.02 ft at 11:15PM May 30, 2023Observed: -2.02 ft at 11:30PM May 30, 2023Observed: -2.03 ft at 11:45PM May 30, 2023Observed: -2.03 ft at 12:00AM May 31, 2023Observed: -2.03 ft at 12:15AM May 31, 2023Observed: -2.03 ft at 12:30AM May 31, 2023Observed: -2.03 ft at 12:45AM May 31, 2023Observed: -2.03 ft at 1:00AM May 31, 2023Observed: -2.03 ft at 1:15AM May 31, 2023Observed: -2.04 ft at 1:30AM May 31, 2023Observed: -2.04 ft at 1:45AM May 31, 2023Observed: -2.04 ft at 2:00AM May 31, 2023Observed: -2.04 ft at 2:15AM May 31, 2023Observed: -2.04 ft at 2:30AM May 31, 2023Observed: -2.04 ft at 2:45AM May 31, 2023Observed: -2.04 ft at 3:00AM May 31, 2023Observed: -2.05 ft at 3:15AM May 31, 2023Observed: -2.05 ft at 3:30AM May 31, 2023Observed: -2.05 ft at 3:45AM May 31, 2023Observed: -2.04 ft at 4:00AM May 31, 2023Observed: -2.05 ft at 4:15AM May 31, 2023Observed: -2.05 ft at 4:30AM May 31, 2023Observed: -2.05 ft at 4:45AM May 31, 2023Observed: -2.06 ft at 5:00AM May 31, 2023Observed: -2.05 ft at 5:15AM May 31, 2023Observed: -2.05 ft at 5:30AM May 31, 2023Observed: -2.06 ft at 5:45AM May 31, 2023Observed: -2.06 ft at 6:00AM May 31, 2023Observed: -2.06 ft at 6:15AM May 31, 2023Observed: -2.06 ft at 6:30AM May 31, 2023Observed: -2.06 ft at 6:45AM May 31, 2023Observed: -2.06 ft at 7:00AM May 31, 2023Observed: -2.06 ft at 7:15AM May 31, 2023Observed: -2.06 ft at 7:30AM May 31, 2023Observed: -2.06 ft at 7:45AM May 31, 2023Observed: -2.06 ft at 8:00AM May 31, 2023Observed: -2.06 ft at 8:15AM May 31, 2023Observed: -2.06 ft at 8:30AM May 31, 2023Observed: -2.06 ft at 8:45AM May 31, 2023Observed: -2.06 ft at 9:00AM May 31, 2023Observed: -2.06 ft at 9:15AM May 31, 2023Observed: -2.06 ft at 9:30AM May 31, 2023Observed: -2.06 ft at 9:45AM May 31, 2023Observed: -2.06 ft at 10:00AM May 31, 2023Observed: -2.06 ft at 10:15AM May 31, 2023Observed: -2.06 ft at 10:30AM May 31, 2023Observed: -2.06 ft at 10:45AM May 31, 2023Observed: -2.06 ft at 11:00AM May 31, 2023Observed: -2.06 ft at 11:15AM May 31, 2023Observed: -2.06 ft at 11:30AM May 31, 2023Observed: -2.06 ft at 11:45AM May 31, 2023Observed: -2.06 ft at 12:00PM May 31, 2023Observed: -2.06 ft at 12:15PM May 31, 2023Observed: -2.06 ft at 12:30PM May 31, 2023Observed: -2.07 ft at 12:45PM May 31, 2023Observed: -2.07 ft at 1:00PM May 31, 2023Observed: -2.07 ft at 1:15PM May 31, 2023Observed: -2.07 ft at 1:30PM May 31, 2023Observed: -2.07 ft at 1:45PM May 31, 2023Observed: -2.07 ft at 2:00PM May 31, 2023Observed: -2.06 ft at 2:15PM May 31, 2023Observed: -2.07 ft at 2:30PM May 31, 2023Observed: -2.07 ft at 2:45PM May 31, 2023Observed: -2.07 ft at 3:00PM May 31, 2023Observed: -2.07 ft at 3:15PM May 31, 2023Observed: -2.07 ft at 3:30PM May 31, 2023Observed: -2.07 ft at 3:45PM May 31, 2023Observed: -2.07 ft at 4:00PM May 31, 2023Observed: -2.07 ft at 4:15PM May 31, 2023Observed: -2.07 ft at 4:30PM May 31, 2023Observed: -2.08 ft at 4:45PM May 31, 2023Observed: -2.08 ft at 5:00PM May 31, 2023Observed: -2.08 ft at 5:15PM May 31, 2023Observed: -2.07 ft at 5:30PM May 31, 2023Observed: -2.07 ft at 5:45PM May 31, 2023Observed: -2.08 ft at 6:00PM May 31, 2023Observed: -2.08 ft at 6:15PM May 31, 2023Observed: -2.08 ft at 6:30PM May 31, 2023Observed: -2.08 ft at 6:45PM May 31, 2023Observed: -2.08 ft at 7:00PM May 31, 2023Observed: -2.08 ft at 7:15PM May 31, 2023Observed: -2.08 ft at 7:30PM May 31, 2023Observed: -2.08 ft at 7:45PM May 31, 2023Observed: -2.08 ft at 8:00PM May 31, 2023Observed: -2.08 ft at 8:15PM May 31, 2023Observed: -2.08 ft at 8:30PM May 31, 2023Observed: -2.08 ft at 9:15PM May 31, 2023Observed: -2.08 ft at 9:30PM May 31, 2023Observed: -2.08 ft at 9:45PM May 31, 2023Observed: -2.08 ft at 10:00PM May 31, 2023Observed: -2.09 ft at 10:15PM May 31, 2023Observed: -2.08 ft at 10:30PM May 31, 2023Observed: -2.09 ft at 10:45PM May 31, 2023Observed: -2.08 ft at 11:00PM May 31, 2023Observed: -2.09 ft at 11:15PM May 31, 2023Observed: -2.09 ft at 11:30PM May 31, 2023Observed: -2.08 ft at 11:45PM May 31, 2023Observed: -2.09 ft at 12:00AM Jun 01, 2023Observed: -2.09 ft at 12:15AM Jun 01, 2023Observed: -2.09 ft at 12:30AM Jun 01, 2023Observed: -2.09 ft at 12:45AM Jun 01, 2023Observed: -2.09 ft at 1:00AM Jun 01, 2023Observed: -2.09 ft at 1:15AM Jun 01, 2023Observed: -2.09 ft at 1:30AM Jun 01, 2023Observed: -2.09 ft at 1:45AM Jun 01, 2023Observed: -2.09 ft at 2:00AM Jun 01, 2023Observed: -2.1 ft at 2:15AM Jun 01, 2023Observed: -2.1 ft at 2:30AM Jun 01, 2023Observed: -2.1 ft at 2:45AM Jun 01, 2023Observed: -2.1 ft at 3:00AM Jun 01, 2023Observed: -2.1 ft at 3:15AM Jun 01, 2023Observed: -2.1 ft at 3:30AM Jun 01, 2023Observed: -2.11 ft at 3:45AM Jun 01, 2023Observed: -2.11 ft at 4:00AM Jun 01, 2023Observed: -2.11 ft at 4:15AM Jun 01, 2023Observed: -2.11 ft at 4:30AM Jun 01, 2023Observed: -2.1 ft at 4:45AM Jun 01, 2023Observed: -2.11 ft at 5:00AM Jun 01, 2023Observed: -2.1 ft at 5:15AM Jun 01, 2023Observed: -2.11 ft at 5:30AM Jun 01, 2023Observed: -2.11 ft at 5:45AM Jun 01, 2023Observed: -2.11 ft at 6:00AM Jun 01, 2023Observed: -2.11 ft at 6:15AM Jun 01, 2023Observed: -2.11 ft at 6:30AM Jun 01, 2023Observed: -2.11 ft at 6:45AM Jun 01, 2023Observed: -2.11 ft at 7:00AM Jun 01, 2023Observed: -2.12 ft at 7:15AM Jun 01, 2023Observed: -2.12 ft at 7:30AM Jun 01, 2023Observed: -2.12 ft at 7:45AM Jun 01, 2023Observed: -2.12 ft at 8:00AM Jun 01, 2023Observed: -2.12 ft at 8:15AM Jun 01, 2023Observed: -2.12 ft at 8:30AM Jun 01, 2023Observed: -2.11 ft at 8:45AM Jun 01, 2023Observed: -2.11 ft at 9:00AM Jun 01, 2023Observed: -2.11 ft at 9:15AM Jun 01, 2023Observed: -2.11 ft at 9:30AM Jun 01, 2023Observed: -2.11 ft at 9:45AM Jun 01, 2023Observed: -2.11 ft at 10:00AM Jun 01, 2023Observed: -2.11 ft at 10:15AM Jun 01, 2023Observed: -2.11 ft at 10:30AM Jun 01, 2023Observed: -2.11 ft at 10:45AM Jun 01, 2023Observed: -2.11 ft at 11:00AM Jun 01, 2023Observed: -2.12 ft at 11:15AM Jun 01, 2023Observed: -2.11 ft at 11:30AM Jun 01, 2023Observed: -2.11 ft at 11:45AM Jun 01, 2023Observed: -2.11 ft at 12:00PM Jun 01, 2023Observed: -2.12 ft at 12:15PM Jun 01, 2023Observed: -2.12 ft at 12:30PM Jun 01, 2023Observed: -2.12 ft at 12:45PM Jun 01, 2023Observed: -2.12 ft at 1:00PM Jun 01, 2023Observed: -2.12 ft at 1:15PM Jun 01, 2023Observed: -2.12 ft at 1:30PM Jun 01, 2023Observed: -2.12 ft at 1:45PM Jun 01, 2023Observed: -2.12 ft at 2:00PM Jun 01, 2023Observed: -2.12 ft at 2:15PM Jun 01, 2023Observed: -2.12 ft at 2:30PM Jun 01, 2023Observed: -2.13 ft at 2:45PM Jun 01, 2023Observed: -2.12 ft at 3:00PM Jun 01, 2023Observed: -2.12 ft at 3:15PM Jun 01, 2023Observed: -2.12 ft at 3:30PM Jun 01, 2023Observed: -2.12 ft at 3:45PM Jun 01, 2023Observed: -2.12 ft at 4:00PM Jun 01, 2023Observed: -2.13 ft at 4:15PM Jun 01, 2023Observed: -2.12 ft at 4:30PM Jun 01, 2023Observed: -2.12 ft at 4:45PM Jun 01, 2023Observed: -2.12 ft at 5:00PM Jun 01, 2023Observed: -2.13 ft at 5:15PM Jun 01, 2023Observed: -2.12 ft at 5:30PM Jun 01, 2023Observed: -2.13 ft at 5:45PM Jun 01, 2023Observed: -2.13 ft at 6:00PM Jun 01, 2023Observed: -2.13 ft at 6:15PM Jun 01, 2023Observed: -2.13 ft at 6:30PM Jun 01, 2023Observed: -2.13 ft at 6:45PM Jun 01, 2023Observed: -2.14 ft at 7:00PM Jun 01, 2023Observed: -2.13 ft at 7:15PM Jun 01, 2023Observed: -2.13 ft at 7:30PM Jun 01, 2023Observed: -2.13 ft at 7:45PM Jun 01, 2023Observed: -2.13 ft at 8:00PM Jun 01, 2023Observed: -2.13 ft at 8:15PM Jun 01, 2023Observed: -2.13 ft at 8:30PM Jun 01, 2023Observed: -2.13 ft at 8:45PM Jun 01, 2023Observed: -2.13 ft at 9:00PM Jun 01, 2023Observed: -2.13 ft at 9:15PM Jun 01, 2023Observed: -2.13 ft at 9:30PM Jun 01, 2023Observed: -2.14 ft at 9:45PM Jun 01, 2023Observed: -2.14 ft at 10:00PM Jun 01, 2023Observed: -2.13 ft at 10:15PM Jun 01, 2023Observed: -2.14 ft at 10:30PM Jun 01, 2023Observed: -2.14 ft at 10:45PM Jun 01, 2023Observed: -2.14 ft at 11:00PM Jun 01, 2023Observed: -2.14 ft at 11:15PM Jun 01, 2023Observed: -2.14 ft at 11:30PM Jun 01, 2023Observed: -2.14 ft at 11:45PM Jun 01, 2023Observed: -2.14 ft at 12:00AM Jun 02, 2023Observed: -2.14 ft at 12:15AM Jun 02, 2023Observed: -2.14 ft at 12:30AM Jun 02, 2023Observed: -2.14 ft at 12:45AM Jun 02, 2023Observed: -2.15 ft at 1:00AM Jun 02, 2023Observed: -2.15 ft at 1:15AM Jun 02, 2023Observed: -2.15 ft at 1:30AM Jun 02, 2023Observed: -2.15 ft at 1:45AM Jun 02, 2023Observed: -2.15 ft at 2:00AM Jun 02, 2023Observed: -2.15 ft at 2:15AM Jun 02, 2023Observed: -2.15 ft at 2:30AM Jun 02, 2023Observed: -2.15 ft at 2:45AM Jun 02, 2023Observed: -2.15 ft at 3:00AM Jun 02, 2023Observed: -2.15 ft at 3:15AM Jun 02, 2023Observed: -2.16 ft at 3:30AM Jun 02, 2023Observed: -2.16 ft at 3:45AM Jun 02, 2023Observed: -2.15 ft at 4:00AM Jun 02, 2023Observed: -2.16 ft at 4:15AM Jun 02, 2023Observed: -2.16 ft at 4:30AM Jun 02, 2023Observed: -2.16 ft at 4:45AM Jun 02, 2023Observed: -2.16 ft at 5:00AM Jun 02, 2023Observed: -2.16 ft at 5:15AM Jun 02, 2023Observed: -2.16 ft at 5:30AM Jun 02, 2023Observed: -2.17 ft at 5:45AM Jun 02, 2023Observed: -2.16 ft at 6:00AM Jun 02, 2023Observed: -2.16 ft at 6:15AM Jun 02, 2023Observed: -2.16 ft at 6:30AM Jun 02, 2023Observed: -2.16 ft at 6:45AM Jun 02, 2023Observed: -2.17 ft at 7:00AM Jun 02, 2023Observed: -2.17 ft at 7:15AM Jun 02, 2023Observed: -2.17 ft at 7:30AM Jun 02, 2023Observed: -2.17 ft at 7:45AM Jun 02, 2023Observed: -2.16 ft at 8:00AM Jun 02, 2023Observed: -2.17 ft at 8:15AM Jun 02, 2023Observed: -2.17 ft at 8:30AM Jun 02, 2023Observed: -2.17 ft at 8:45AM Jun 02, 2023Observed: -2.17 ft at 9:00AM Jun 02, 2023Observed: -2.17 ft at 9:15AM Jun 02, 2023Observed: -2.17 ft at 9:30AM Jun 02, 2023Observed: -2.17 ft at 9:45AM Jun 02, 2023Observed: -2.17 ft at 10:00AM Jun 02, 2023Observed: -2.17 ft at 10:15AM Jun 02, 2023Observed: -2.16 ft at 10:30AM Jun 02, 2023Observed: -2.17 ft at 10:45AM Jun 02, 2023Observed: -2.16 ft at 11:00AM Jun 02, 2023Observed: -2.17 ft at 11:15AM Jun 02, 2023Observed: -2.17 ft at 11:30AM Jun 02, 2023Observed: -2.17 ft at 11:45AM Jun 02, 2023Observed: -2.17 ft at 12:00PM Jun 02, 2023Observed: -2.17 ft at 12:15PM Jun 02, 2023Observed: -2.17 ft at 12:30PM Jun 02, 2023Observed: -2.17 ft at 12:45PM Jun 02, 2023Observed: -2.17 ft at 1:00PM Jun 02, 2023Observed: -2.17 ft at 1:15PM Jun 02, 2023Observed: -2.17 ft at 1:30PM Jun 02, 2023Observed: -2.17 ft at 1:45PM Jun 02, 2023Observed: -2.17 ft at 2:00PM Jun 02, 2023Observed: -2.16 ft at 2:15PM Jun 02, 2023Observed: -2.17 ft at 2:30PM Jun 02, 2023Observed: -2.17 ft at 2:45PM Jun 02, 2023Observed: -2.17 ft at 3:00PM Jun 02, 2023Observed: -2.17 ft at 3:15PM Jun 02, 2023Observed: -2.17 ft at 3:30PM Jun 02, 2023Observed: -2.16 ft at 3:45PM Jun 02, 2023Observed: -2.17 ft at 4:00PM Jun 02, 2023Observed: -2.17 ft at 4:15PM Jun 02, 2023Observed: -2.17 ft at 4:30PM Jun 02, 2023Observed: -2.17 ft at 4:45PM Jun 02, 2023Observed: -2.17 ft at 5:00PM Jun 02, 2023USGS--Water Resources of the United StatesVLLM7(plotting HGIRG) Graph Created (5:26PM Jun 2, 2023)ObservedLatest observed value: -2.17 ft at 5:00 PM CDT 2-Jun-2023. Flood Stage is 18 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 Valley Park are issued as needed during times of high water, but are not routinely available.

Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.

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Upstream Gauge - near Eureka Upstream Gauge Downstream Gauge Downstream Gauge - at Fenton
Flood Categories (in feet)
Major Flood Stage: 27
Moderate Flood Stage: 21
Flood Stage: 18
Action Stage: 11
Low Stage (in feet): -9999

Historic Crests
(1) 44.11 ft on 12/31/2015
(2) 43.31 ft on 05/03/2017
(3) 39.73 ft on 12/06/1982
(4) 37.85 ft on 08/22/1915
(5) 37.83 ft on 03/22/2008
(6) 37.40 ft on 04/14/1994
(7) 34.40 ft on 02/01/1916
(8) 33.00 ft on 06/11/1945
(9) 33.00 ft on 05/03/1983
(10) 32.40 ft on 09/26/1993
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 23.72 ft on 03/28/2023 (P)
(2) 18.91 ft on 03/06/2023 (P)
(3) 21.70 ft on 05/09/2022
(4) 18.95 ft on 04/02/2022
(5) 17.74 ft on 02/20/2022
(6) 17.80 ft on 03/20/2021
(7) 16.31 ft on 04/27/2020
(8) 16.44 ft on 03/27/2020
(9) 18.29 ft on 03/22/2020
(10) 16.43 ft on 01/20/2020
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -4.02 ft on 08/17/2007
(2) -3.95 ft on 10/01/2014
(3) -3.90 ft on 07/29/2012
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
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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
If you notice any errors in the below information, please contact our Webmaster
44 This represents the level at which, with no additional protection, the Valley Park levee would be overtopped at the upper end of the flood wall.
42 Near this height, the intersection of Big Bend Road and Dougherty Ferry Road begins flooding.
38.8 Interstate 44 is closed near this height. During the December 2015 flood, this highway was closed from Bowles Avenue in Valley Park west to Missouri Route 109 exit in Eureka.
38.3 Near this height, Missouri Route 30 (Gravois Road) must be closed in both directions in St. Louis County.
38 Railroad bridge just downstream of the Highway 141 bridge begins to flood.
37.8 MODOT must take preventative action to keep I-44 lanes open west of Highway 141.
36 Water begins covering the BNSF rails at this height.
35 The final flood gate through the BNSF railroad path is closed at this height.
34 Close Gravois Road at Ware Street and at Water Street. This impact level may vary depending the crest difference of the Mississippi River at St. Louis from 30.8 ft, the March 2008 crest.
33 Old Highway 141 is closed at Gravois Road and at Gravois Bluffs Blvd. This impact level may vary depending on the crest difference of the Mississippi River at St. Louis from 30.8 ft, the March 2008 crest.
30 Allen Road at Old Highway 141 is closed. This impact level may vary depending the crest difference of the Mississippi River at St. Louis from 30.8 ft, the March 2008 crest.
29 The intersection of 141 and North Highway drive at I-44 is closed above this level. In Fenton, the following roads are closed at this level: all of Yarnell Road, Riverside Drive at Wolfner Drive, Fabricator Drive at Headland Drive, Soccer Park Road at the truck stop, Rudder Road at Fabick Drive, and Larkin Williams Road at Ferry Street.
28.7 The southbound lanes of Highway 141 at I-44 will be closed near this height.
28 The flood gate at Vance Road in Valley Park is closed at this height.
27.5 The northbound lanes of Highway 141 at I-44 will be closed near this height.
27 The flood gate at St. Louis Avenue in Valley Park is closed at this height. Near this height, Vance Road begins to flood from just outside of the flood gate to Highland Village and Soccer Park Road from Cassens Drive to Yarnell Road begins to flood.
26 Near this height, Smizer Mill Road and Meramec Station Road begin flooding near their intersection.
25 Near this height, the north end of Yarnell Road north of the Soccer Park Road intersection begins to flood. At this level, houses along Rock Alva Drive (next to Tapawingo Golf Club) start to flood. Also, Fenton Greenway Park is flooded.
24 Water reaches top of boat ramp at Valley Park Public Fishing Access. Also, the Anheuser-Busch Soccer Park begins flooding near this height.
23.5 Riverfront parking area of Minnie Ha Ha Park across the river from Fenton begins flooding near this height.
21.9 Yarnell Road is closed at Riverside Drive. Larkin Williams is closed at Riverside Golf Club entrance. In Valley Park...Tree Court Industrial Road begins flooding between Marshall Road and Scarlet Oak Boulevard. Also...the golf course at Family Golf and Learning Center and the Kirkwood Athletic Association ball fields begin flooding near this height.
21 Water enters the SW corner of Larkin Williams and Yarnell Road intersection through a stormwater grate. In Valley Park...Marshall Road begins to flood between Tree Court Industrial Road and Timberview Road.
19.5 Buder Park and the recreation park at the water plant floods.
19 The south riverward side of Marshall Road begins to flood.
12 Sluice gates at 5th Street, 3rd Street, and Fishpot Creek at Union Pacific Railway tracks must be closed.
Photos
(1) Civil Air Patrol photo of the Meramec River between I-44 and U.S. Highway 30 on May 2, 2017.
(2) Civil Air Patrol photo of I-44 and Highway 141 in Valley Park on May 2, 2017.
(3) Civil Air Patrol photo of 3 businesses along N. Highway Drive and I-44 in Valley Park on May 2, 2017
(4) North Highway Drive along I-44 in Valley Park on May 3, 2017 at a stage of 42.9 feet.
(5) I-44 westbound in Valley Park on May 3, 2017 at a stage of 42.9 feet.
(6) I-44 eastbound bridge in Valley Park on May 3, 2017 at a stage near 43 feet.
(7) St. Louis County Police Department West County Precinct on May 2, 2017.
(8) Valley Park at I-44 and Highway 141 underpass - March, 2008
(9) Valley Park at I-44 and Highway 141 underpass - March, 2008
(10) Highway 141 at 1-44 in Valley Park on March 22, 2008 with a stage near 37.7 feet.
(11) Downtown Fenton homes on March 22, 2008 with a stage near 37.5 feet.
(12) Homes along Fenton waterfront on March 22, 2008 with a stage near 37.5 feet.
(13) Homes along Fenton waterfront on March 22, 2008 with a stage near 37.5 feet.
(14) Rudder Road looking east on March 22, 2008 at a stage near 37.8 feet.
(15) Apex Contracting facility in Valley Park, MO on March 22, 2008 at a stage near 37.2 feet.
(16) Unger Park Road in Valley Park on March 20, 2008 at a stage near 24.8 ft.
(17) Larkin Williams Road at the Highway 30 bridge on March 20, 2008 at a stage near 24.5 feet.
(18) Larkin Williams Road at Yarnell Road on March 20, 2008 at a stage near 24.5 ft.
(19) Minnie Ha Ha Park playground on March 20, 2008 with a stage near 24.5 feet.
(20) Meramec Greenway at the Fenton riverfront on March 20, 2008 with a stage near 24.5 feet.
(21) Valley Park DCP and slope gauge
(22) Valley Park DCP
(23) Valley park slope gauge
About This Location Collapse

Latitude: 38.546667° N, Longitude: 90.485000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 18 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 391.22 ft 407.22 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 391.54 ft 407.54 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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