This hazardous weather outlook is for extreme southwest Nebraska... northwest Kansas and east central Colorado. .DAY ONE...TODAY and TONIGHT... A Wind Chill Advisory goes into effect this evening for wind chill readings as low as 20 degrees below zero. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH MONDAY... A Wind Chill Advisory remains in effect until 8 AM MST (9 AM CST) Tuesday morning with wind chill readings as low as 20 degrees below zero. Wind chill readings Tuesday night through Wednesday morning are forecast to be as low as 10 degrees below zero. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.