This widget provide information about weather for a defined location.

Since the command usually needs long time to execute this is not called from skin flatPlus.
You have to call the command from the system via cron or at system start.
For example call the command from cron.daily.

You need php5 with command line support for this widget. For example in Ubuntu you need the package "php5-cli".

Please move update_weather.config to update_weather.config.sample

cp update_weather.config.sample update_weather.config

Configure your location and others in update_weather.config. Use php-script "GetLatLangFromCity.php" to get latitude & longitude from your location.