Dark Sky has a graph of temperature changes for the next 24 hours along with precipitation information and when the sun rises and sets. It also gives quick access to day-by-day summary of the next week.
Yahoo Weather's main screen shows a enough information to get a good understanding of the upcoming weather without being too overwhelming. And it has radar, satellite and heat maps if you wish to get even more detailed information.
Weather Underground crowdsources weather information. Anyone can set up a personal weather station and give that data to Weather Underground. A network of over 20.000 personal stations supplements roughly 10.000 National Weather Service stations. All collected data is run through a tool called Bes...
A feature called Spark shows where lightnings take place by accessing real-time lightning monitoring information. You can then set it up to notify you when lightning has struck in a specific place or when a lightning storm is near your location.
Solar has a colorful, clean interface and offers a 24-hour & 3-day forecast (accessed by swiping up or down respectively) with ability to switch between location by swiping horizontally. Each view displays only temperature, conditions, date, time and location.