This hazardous weather outlook is for extreme southwest Nebraska... northwest Kansas and east central Colorado. .DAY ONE...TONIGHT... The flash flood threat has ended for the night as thunderstorms have moved out of the area. However, some lingering flooding from earlier storms may persist and Flood Warnings continue for some areas. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH FRIDAY... Thunderstorms may form Tuesday afternoon and evening over the Tri- State Area as a strong cold front moves through. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be required.