Kbase Article of the Week: About the Weather App and Icons on Your iPhone and iPod touch »

Apple:

Learn how to use the Weather app on your iPhone to check the weather in your current location or in other cities.

With the Weather app in iOS, you can look up the weather by city name, postal or zip code, and airport code. You can also create a list of cities to track and arrange the cities in the order that you want.

The Tornado and Haze icons particularly speak to me.

via @tylerc