A significant winter storm is expected to bring heavy snowfall to parts of Oregon, with the National Weather Service issuing winter weather advisories for the region. The storm is forecast to deliver between 4 and 10 inches of snow, depending on the location, with snowfall rates potentially reaching up to 1 inch per hour. This late-season snow event is anticipated to impact areas including Waldo Lake, Santiam Junction, Santiam Pass, McKenzie Pass, Tombstone Summit, Willamette Pass, Breitenbush Springs, Sisters, Camp Sherman, La Pine, Sunriver, Crater Lake, and Diamond Lake. The advisories are set to go into effect early Wednesday morning and will remain active until 10 p.m. local time.