NWS Forecast Office Tulsa, OK

A thunderstorm complex will continue to spread southeast across northeast Oklahoma and western Arkansas overnight. The main concern will be damaging winds in excess of 65 mph in the Slight risk. Isolated hail to the size of quarters and localized heavy rain and flooding will also be possible, as well as an isolated tornado on the leading edge of the complex.

A Slight risk of severe thunderstorms will exist across much of eastern Oklahoma and western Arkansas again during the late afternoon and evening hours on Saturday. The area of greatest concern will be south of Highway 412, where an outflow boundary from tonight's thunderstorm complex is likely to focus thunderstorm development. Very large hail to tennis ball size, damaging winds to 70 mph, and isolated tornadoes will all be possible, especially with the initial development.

.Tonight...Occasional showers and thunderstorms. Lows 64 to 79.

.Sat...Showers and thunderstorms likely. Highs 79 to 98.

.Sat-Night...Showers and thunderstorms likely. Lows 68 to 77.