OKLAHOMA FLOW REPORT

Last Updated: December 19, 2025

Oklahoma's river and stream enthusiasts should note that current streamflow patterns reflect a mixed hydrological situation across the state. The Arkansas River, a major waterway traversing through several Oklahoma communities, shows variable conditions with a notable high streamflow at Tulsa at 10,300 cubic feet per second (cfs), which is only 7.5% above normal but a striking 123.16% of the typical flow near Haskell. This could imply potential flooding risks around these areas. Conversely, the Illinois River is experiencing a significant flow deficit, registering flows at Tahlequah and Chewey well below normal (78.07% and 79.34% below, respectively), indicating a possible flow drought that may affect local ecosystems and recreation.

For whitewater and outdoor recreation aficionados, the Neosho River near Chouteau should be approached with caution due to an abrupt increase in streamflow, up by 1,465.57 cfs, and a gage height of 9.44 feet, which could be indicative of flooding conditions. The Canadian River also presents abnormalities, such as at Calvin with a streamflow of 354 cfs, which is 47.1% below the norm. Additionally, the Verdigris River near Claremore reported a significant reduction in streamflow, about 86.92% below normal. Cities like Muskogee, alongside the Arkansas River, may experience impacts from the changing water levels with the current gage height at 18.24 feet. These patterns highlight the state's diverse hydrological challenges, ranging from potential flooding to low flow conditions that could affect water-based activities and local water resources management.

       



Oklahoma has a humid subtropical climate with frequent thunderstorms and occasional tornadoes. The state is home to major surface flows, including the Arkansas, Canadian, and Red Rivers. These rivers are subject to flooding during periods of heavy rainfall. Major reservoirs and dams, such as the Keystone Dam on the Arkansas River, help to manage flood control and provide water for agriculture and drinking water. Oklahoma's hydrology is influenced by its geology, which includes karst formations and oil and gas extraction. Watershed and snowpack data are not significant factors in Oklahoma's hydrology due to its low snowfall and lack of major mountain ranges.