SRUS43 KLSX 181401 RVALSX Hydrologic Summary National Weather Service St Louis MO 900 AM CDT Sat Jul 18 2026 Location Flood Stage 24-hr Stage Today Change * Mississippi River Canton 15.0 8.0 -0.4 LaGrange 17.0 9.0 -0.3 Quincy 19.0 12.5 -0.1 Lock & Dam 21 18.0 8.9 -0.3 Hannibal 17.0 12.5 -0.1 Saverton 16.0 9.4 -0.2 Louisiana 15.0 12.0 0.0 Clarksville 25.0 19.9 -0.1 Winfield 26.0 19.8 -0.2 Grafton 20.0 16.2 -0.2 Alton 21.0 17.4 -0.2 Mel Price LD 21.0 11.4 0.0 St. Louis 30.0 13.9 0.0 Herculaneum 26.0 12.0 -0.1 Chester 27.0 16.7 -0.6 * Missouri River Jefferson City 23.0 8.4 -0.1 Chamois 17.0 5.4 -0.8 Hermann 21.0 9.6 -0.8 Washington 20.0 7.4 -0.5 St. Charles 25.0 14.8 0.1 * Illinois River La Grange LD 23.0 19.1 -0.6 Meredosia 17.0 13.2 -0.5 Valley City 14.0 11.3 -0.5 Hardin 25.0 22.9 -0.2 * Meramec River Steelville 12.0 2.3 -0.2 Sullivan 11.0 5.0 0.0 Pacific 15.0 0.8 -0.3 Eureka 19.0 4.4 -0.3 Valley Park 18.0 0.0 -0.5 Fenton 23.0 4.2 -0.5 Arnold 24.0 11.6 -0.2 * Big River Byrnesville 16.0 3.1 -0.4 * Black River Annapolis 8.0 5.2 -0.1 * Bourbeuse River Union 15.0 3.6 -0.1 * Cuivre River Troy 21.0 6.2 0.5 Old Monroe 24.0 15.2 -0.2 * Dardenne Creek St. Peters 18.0 1.6 0.0 * Gasconade River Rich Fountain 20.0 3.0 -0.2 * Hinkson Creek Columbia 15.0 4.5 0.0 * Joachim Creek DeSoto 10.0 1.7 -0.2 * Kaskaskia River Vandalia 18.0 9.0 -1.3 Carlyle 16.5 11.4 -0.7 New Athens 79.0 69.0 -0.1 * La Moine River Ripley 22.0 5.9 -0.1 * Little St. Francis River Fredericktown 14.0 1.3 -0.1 * Maries River Westphalia 10.0 2.5 1.0 * Moreau River Jefferson City 17.0 3.5 1.5 * Middle Fabius River Ewing 12.0 2.8 0.0 * Middle Fork Salt River Holliday 17.0 4.1 0.0 * North River Palmyra 13.0 3.8 0.0 * North Fabius River Ewing 11.0 3.3 0.0 * North Fork Salt River Hagers Grove 12.0 -0.6 0.0 Shelbina 3N 13.0 5.8 0.0 * Osage River St. Thomas 23.0 7.9 -2.2 * Salt River New London 19.0 6.3 0.1 * South Fabius River Taylor 10.0 1.7 0.0 * St. Francis River Roselle 15.0 3.0 -1.3 Mill Creek 16.0 2.6 0.7 Saco 21.0 3.6 0.6 * Lake Stages Carlyle Lake 462.0 445.9 0.0 Mark Twain Lake 607.9 -0.3 Lake of the Ozarks 660.0 659.0 -0.1 $$