With forecasts and weather maps at a glance, Weather Atlas provides a beautifully balanced view of the weather. US-only (for now anyway)
UI is fantastic; Customization is a bonus.Cons:
Subscription-based paid version
The UI is great, and being able to customize the icons used in the app is a great little bonus. Clean widget for current weather; daily and hourly available to paid users only.
Not in Canada
Most of my friends live in Canada, so I can't recommend it to them :-(