NEW : Heavy rain on ` ` burn scar '' may cause more flooding in El Paso County . NEW : Boulder opens Saturday evening but faces possibly ` ` devastating '' on Sunday . NEW : ' ` ` unaccounted for '' in Boulder County , 350 in Larimer County . Missing person is presumed dead , in addition to four confirmed dead .
NEW : Heavy rain on `` burn scar '' could cause more flooding in El Paso County . NEW : Boulder spared Saturday evening but faces possibly `` devastating '' rain Sunday . NEW : 231 `` unaccounted for '' in Boulder County , 350 in Larimer County . Missing woman is presumed dead , in addition to four confirmed dead .