You can find a variety of information at http://weather.unisys.com and it's pretty neat stuff.
This shows the fronts, where they are currently, and where they were for the past 12 hours.The image below should show the current fonts. (Or go to http://weather.unisys.com/surface/sfc_fronts.php?inv=0&t=cur to see it on the Unisys website.)
|Current frontal positions in North America. Image source comes from http://weather.unisys.com/surface/sfc_fronts.php?inv=0&t=cur.|
Here's another map that shows the surface data: http://weather.unisys.com/surface/sfc_map.php?inv=0&t=cur®ion=wc - by going to the link you can select your region, the type of map, & the information it shows.
|Surface data with Canada selected as the region. Image comes from http://weather.unisys.com/surface/sfc_map.php?inv=0&t=cur®ion=wc.|