Glucose Development Corporation today updated WeatherPop and WeatherPop Advance, its popular utilities that display current weather conditions in your menu bar, to version 1.6, as noted by MacUpdate. Version 1.6 offers improved data accuracy, a new data source (wunderground.com), a Favorite Locations feature and more. WeatherPop is freeware and WeatherPop Advance costs US$8 — both require Mac OS X 10.1 or later.