Consider this site:
http://mysite.verizon.net/res8sscu/sitebuildercontent/sitebuilderfiles/ricksplace.htm Personally, I find the constantly updating weather site to be overkill, although interesting technically.
Too many sites are too cluttered on the main page with tons of detailed information.
What I like about "Curly's" site is that it is simple, you don't have to search or strain to figure out what you're looking at, it's clearly labeled.
There isn't too much information, just the basics, but also a cam image, radar, and warnings. Nothing to distract your attention from the weather data.
Even the menu system is kinda hidden to the left, not taking up space until you need it.
Hover the mouse over the Temp and Wind headings, and a graph pops up showing historical info.
I'm sure you could also use AJAX to update in real time if so desired.
He's also got a kick-ass enclosure for his station...
I spend a lot of time at work crunching tons of financial numbers for a $1B global company for presentation to the CEO, CFO, and Sr. level VP's... I am always trying to present the essentials in a manner that is immediately intuitive and easy to understand... that's why I like Curly's site so much I think... You just don't have to work to figure out what you're looking at...
He did NOT pay me hype his site, it's just one of my favorites visually...