This hazardous weather outlook is for extreme southwest Nebraska... northwest Kansas and east central Colorado. .DAY ONE...TONIGHT... Areas of fog will develop towards midnight tonight across the entire Tri State area. Visibility may be reduced to a mile or less at times. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY... Areas of fog will persist into early Wednesday morning across the Tri State area. There will be chances for thunderstorms over the area for the upcoming weekend, into the beginning of next week. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.