The Winter Storm Warning has been expanded to the southern Black Hills, including Custer. Hazardous travel conditions are expected in the warned area overnight through tomorrow morning, with an additional 4-8" of snow anticipated. #sdwx #wywx https://t.co/uoq0J59M1yThe Winter Storm Warning has been expanded to 8687103 The Winter Storm Warning has been expanded to the southern Black Hills, including Custer. Hazardous travel conditions are expected in the warned area overnight through tomorrow morning, with an