Click the link in the orig post and scroll down to settings. It shows you how to edit the settings file and how to pop in your zip code. If that doesn't work click the link below to find out your specific location code. Hopefully that helps!
Weather Location/City Codes:
http://aspnetresources.com/tools/weatherIdResolver
thanks, i eventually figured it out, probably should have looked at the settings.xml before i asked the question. It's actually below the zipcode line where you enter in the urls for radar.