Mostly cloudy this morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms this afternoon. Much warmer with highs in the mid 70s. Southwest winds around 5 mph. Chance of rain 50 percent.
XL means Extra Load range which indicates the tire has a higher Load Index and Maximum Inflation Pressure (usually 51 psi instead of 44 psi) than a Standard Load range tire of the same size.
  First, XL represents 40 since L is 50 and X is 10. A larger number following a smaller one causes you to subtract the numbers. L is another 50, so XLL is 90.XLL is not â¦ used since XC is shorter and also represents 90. larger number following a smaller one causes you to subtract the numbers. L is another 50, so XLL is 90. XLL is not â¦ used since XC is shorter and also represents 90.