This hazardous weather outlook is for extreme southwest Nebraska... northwest Kansas and east central Colorado. .DAY ONE...TONIGHT... A Flood Watch for potential Flash Flooding remains in effect for portions of the region this evening. .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 may be required.