The National Weather Service is overhauling the AviationWeather.gov website. You can preview the new look at: https://beta.aviationweather.gov/
The new site is still in the experimental stage, but many of the changes look promising. According to a tweet from the NWS:
AWC’s web developers have been working on a major upgrade for http://aviationweather.gov. New features include automatic screen resizing (looks great on cell phones), dark/night mode, and an archive.