`` If you must venture out at all , use extreme caution . '' NEW : Cleveland , Ohio and other locales see snow as the system moves east . NEW : The combination of snow and powerful winds will make driving difficult . NEW : Parts of Pennsylvania , northern Maryland have blizzard warning into Friday . NEW : Ohio , upstate New York , WDTN and central Buffalo may be hard hit .
NEW : Cleveland , Ohio and other locales see snow as the system moves east . NEW : The combination of snow and powerful winds will make driving difficult . NEW : Parts of Pennsylvania , northern Maryland have blizzard warning into Friday . NEW : Ohio , upstate New York , WDTN and central Buffalo may be hard hit .