KAMC HD STORM TEAM WEATHER BRIEF: Warmer on Friday due to southwesterly winds.  Highs will drop into the 70s on Saturday and Sunday with the passage of a cold front.  Also, rain chances will increase for the weekend.  We dry out and warm up into the 80s by Monday.  LUBBOCK-Thu.-74/53/5% Fri.-84/60/10% Sat.-73/55/40% …..KEVAN SMITH