Scattered thunderstorms and a low tornado risk are expected for Oklahoma this weekend, with a marginal severe weather threat expected for parts of the state. The potential for severe weather is expected to occur throughout the day, with temperatures expected to reach mid to upper 70s across central and western Oklahoma. The main threat will be winds from 50 to 60 mph. Changes have been made to the threat, with the slight risk area shifting farther west and a significant threat for the evening and overnight. The tornado index for Saturday night is rated at a one on a scale of one to 10, which is considered very low. A potential tornado risk for western and northern areas will be low, but the main threat is winds from between 50 and 60mph. Concerns about potential tornadoes could increase as the storms develop further west.