By Matt Audilet The National Weather Service has released its first full forecast for Sunday’s Week 15 matchup between the Dallas Cowboys and Buffalo Bills. It’s going to be a windy one in Orchard Park with average wind speeds of 15-18 mph and gusts up to 31 mph. There’s also and 80% chance of rain with a high temperature near 50 degrees Fahrenheit. The wind and rain will no doubt have an effect on the kicking and passing games for both teams. Led by Josh Allen and Dak Prescott, the Bills and Cowboys each boast top-5 passing offenses in terms of yards per game — but these weather conditions co…