The kick-ass website windyty.com automatically locates you and delivers information about the current wind, temperature, humidity and cloud situation in a very appealing way. Check it out!
This website is also quite nice but is limited to the north american territory:
And last but not least the National Oceanic and Atmospheric Administration (NOAA) has its own visualization lab that provides some wonderful perspectives of wind and clouds:
Hurricane Isaac Super Rapid Scan Imagery August 24-29, 2012 (credit: NOAA)