This hazardous weather outlook is for extreme southwest Nebraska... northwest Kansas and east central Colorado. .DAY ONE...TODAY AND TONIGHT... Dense fog is possible tonight, favoring Northwest Kansas and Southwest Nebraska. Be prepared for sudden reductions in visibility to a quarter of a mile or less. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... Dense fog could linger through Friday morning. Visibilities could remain below a quarter of a mile. .SPOTTER INFORMATION STATEMENT... Active weather across portions of the Tri-State Area is anticipated. Spotters are encouraged to report low visibility.