NFL Preview: San Francisco 49ers vs Dallas Cowboys

• Cowboys, Quinnen Williams agree to $105.9 million extension

  

• North Texas heat, dryness and wildfire threat increase this week

  

• Hot and gusty week ahead after brief thunderstorm hits North Texas, blowing down trees, damaging homes

  

• Plano's Hezly Rivera makes history with 2nd straight U.S. gymnastics title