How to Register for an OpenWeatherMap API Key (APPID)
Starting in October 2015, it is required to have an API Key for the Awesome Weather Widget Free edition. OpenWeatherMap has made this process super simple. Here is the quick process breakdown:
Go register at openweathermap.org/appid
Get API Key from your profile page: home.openweathermap.org
Copy API Key into your new ‘Settings’ -> ‘Awesome Weather’ page in your website admin.
Click the ‘Clear All Cache’ button to reset the weather data.