Now...Through 1 am...Patches of drizzle and light rain will move northeast mainly along and east of highway 281. Rainfall amounts will range from a few hundredths of an inch or less. Areas of fog will also develop across deep south Texas and the rio grande valley through the night. Visibility will lower to 3 miles or less at Times. Areas that May see reduce visibility include...Zapata... Edinburg...Harlingen...Brownsville and port isabel.