http://windmapper.com/

WindMapper.com is a new weather site that provides comprehensive maps of the current wind speed and direction across the US. It also provides maps of current temperature, pressure, weather and visibility; all of which are updated every 30 minutes.

In addition, WindMapper also carries a detailed five day wind and weather forecast for over 2000 US locations.

http://ozreport.com/forum/viewtopic.php?t=10867

Thanks to Mr. Chombee.