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"Google has tons of supported rich snippet markup options including reviews, people, products, businesses and organizations. recipes, events, music, videos, and more.  But I've never seen Google show a weather rich snippet before.Patrick Altoft spotted Google showing rich snippets for snow and weather conditions.  Here is a picture:I've never seen this before and as I look at the source code on that page, I don't see anything that special about the markup to imply rich snippet support.  Maybe there is some sort of tool being used here or a beta with this site for Google to test this out.Personally, I find this to be a great use of rich snippets in Google.Forum discussion at Twitter.Update: You know you've been covering search too much when you forget what you wrote about just two years before. We actually noticed this in January 2011 and it was a feature Google announced back then."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-snow-rich-snippets-16356.html>