The news bar at the bottom of the "NOW" section of the Splendid skin displays the latest weather-related US news stories. If you're viewing the weather from a weather station outside the US, then you will only see news items related to Weather Watcher Live.
To hide the news bar:
Click "SETTINGS" at the bottom of the "NOW" section of the main Weather Watcher Live window.
Select "Hide" and click the "OK" button to save your change.