For a limited time, you can get Weather Underground Premium for FREE.
This is a 1-year license, for home use; after the one year is up, you will be reverted to the regular Weather Underground account which is ad-supported (Weather Underground Premium is ad-free). Offer ends on 6/21/14.
Weather Underground is an online weather service that allows you to not only keep an eye on the weather across the globe but also comes with other features such as radar animations and email alerts.