Update widget_weather.js
Update widget_weather.js

Yahoo weather API readings - unknown icons: 
fc9_icon => chance_of_rain
fc6_icon => partly_cloudy
knowthelist/fhem-tablet-ui,knowthelist/fhem-tablet-ui,knowthelist/fhem-tablet-ui,knowthelist/fhem-tablet-ui,roman1528/fhem-tablet-ui,knowthelist/fhem-tablet-ui,roman1528/fhem-tablet-ui,roman1528/fhem-tablet-ui,roman1528/fhem-tablet-ui