Oklahoma May 18, 2017 5:35 pm Tornado Touches Down in SW Oklahoma KFOR-TV storm chasers saw a tornado touch down near Duke, Oklahoma — which is in the southwest corner of the state. Wake Up to Something Good 0:39 Weather Quiz: Wind shear 2:28 NBC 5 Forecast: A slim evening storm chance, then increasing heat 2:25 NBC 5 Forecast: A few spotty showers or thunderstorms could develop today, some severe 2:29 NBC 5 Forecast: A few spotty showers or thunderstorms could develop today, some severe 2:30 NBC 5 Forecast: Watching the dry line for storm chances on Monday