Which weather on my road? Looking for a spatial weather forecast web service
The Weather Underground does this - Road Trip Planner (with Weather)
http://www.wunderground.com/roadtrip/
Example Route above: http://www.wunderground.com/roadtrip/?lat=41.17245&lon=-73.34747&zoom=9&type=map&units=metric&dir=1&dir.p0=NYC&dir.d0=2011-03-15&dir.t0=12%3A00&dir.p1=Boston%2C%20Massachusetts&dir.t1=12%3A00&dir.t2=12%3A00&svr=1&svr.opa=70&tfk=0
Snow Warning...