Up to 9 inches of snow is expected to be dumped on the Cambria-Somerset region between Friday night and Monday, forecasters say.
A first wave, bringing 1 to 3 inches, should end sometime Saturday.
Then, “quick on the heels, there is a storm that will come down from the Minnesota, Wisconsin area,” that should drop another 3 to 6 inches throughout Sunday and Monday, according to AccuWeather senior meteorologist Paul Walker.
Daytimes temperatures are expected to stay around the freezing mark during the weekend.
Lows in the single digits are expected Monday and Tuesday.
“It will be very cold at night,” Walker said. “I think it will stay pretty cold for a few days afterward.”
A National Weather Service winter storm warning is scheduled to be in place from 7 p.m. Friday until 1 p.m. Saturday between Johnstown and Gettysburg, stretching from the Maryland border to just south of State College and Williamsport.
In preparation, PennDOT crews are pretreating some major routes.
“But we do want to remind folks to use caution if they do need to travel (Friday night) into (Saturday),” said Tara Callahan-Henry, press officer for PennDOT District 9.
PennDOT offers several winter driving tips:
• slow down;
• do not use cruise control on snow-covered roads;
• avoid sudden stops and starts;
• check www.511pa.com for updates on road conditions.
Motorists also are asked to be especially careful when near plow trucks.
“Stay back from a plow truck; give them the room they need to do their job to keep the roadways safe for the traveling public. The safest place to be is behind the plow,” Callahan-Henry said. “Six car lengths is the optimal amount of space behind a plow.”