Airport weather current and forecast

Thanks to a Flyer Talk thread discussing current delays and cancellations in the UK for freezing fog, I found a website that has lots of useful airport weather information for many airports all around the world, allmetsat.com.

For example, right now at Denver International Airport the weather is "heavy snow and blowing snow and freezing fog" - so I'd expect major disruption to air traffic. The forecast shows improvement tomorrow. This info is taken off official airport weather reports and forecasts but with the codes translated into english to make it easy to read.

I've also learned that Great Circle Mapper has some weather information if you search on airport information.