This hazardous weather outlook is for extreme southwest Nebraska... northwest Kansas and east central Colorado. .DAY ONE...TODAY AND TONIGHT... Areas of fog are expected to develop mainly east of a Trenton, Nebraska to Colby, Kansas line this morning. Visibilities may drop as low as 1/2 mile at times. Slow down and be prepared for rapid reductions in visibility if traveling. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... Near critical fire weather conditions return to the Tri-State area Tuesday afternoon through Thursday afternoon. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated at this time.