[FONT=Verdana][SIZE=2]
Get the weather channel. Stay away from weather bug, I believe that it's a problem application.
How so? I use it and it works fine most of the time. I've had the radar screen freeze on me but other then that it works.
All of these apps use NWS data. How often the provider (google, Accuweather, Weather Channel, or Weatherunderground) polls the data determines how accurate the data is. Some sites like Weatherunderground also have a network of private weather stations that they also draw info from. Also most NWS stations are located at airports and if the airport is quite a distance away from you you may get different readings then what is local to you.
Some of these apps will take the callsign for the airport ex: KDFW Dallas/Fort Worth International Airport or KDAL Dallas Love Field which might be closer then just inputting the city name or zip code. YMMV