...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 8 PM CDT SATURDAY... ...Heat index values up to 109 expected during the late morning, afternoon and early evening hours. ...Portions of northwest Louisiana, southeast Oklahoma, southwest Arkansas and east and northeast Texas. ...From 10 AM this morning to 8 PM CDT Saturday. * IMPACTS...Hot temperatures and humidity may cause heat exhaustion or heat stroke to occur, especially when working or exerting ones self in direct sunshine.
