Should i go to school tomorow?!?

ok well i live on colorado, and tomorow the high is going to be 9 degrees!! freaking cold!!. i hat going to school on cold days and im already gettin sick! =[. The only thing is that i have a volleyball game[idk if im even playing tho] and dont wanna miss it. BUT last time it was snowy it all after school activties were cancled!. i dont have any tests or anything like that so idk ? what do u guys think?