I use WW for a while and never had this problem before (I am very satisfied user). The condition icon is black. When I move cursor over this icon it shows me the condition in word, such as cloudy, sunny, etc. Also when I click on the temperature icon the WW pops up and there are no condition pictures in a daily and hourly forecast for all and sometimes for some days of the week. During the day the condition appears and disappears after several minutes or may be after the next weather update.
Any suggestions are greatly appreciated. Thanks.