By Joshua Scheer, reporter, county10.com

(Riverton, Wyo.) – The National Weather Service office in Riverton has issued a Special Weather Statement and Hazardous Weather Outlook for west and central Wyoming.

“A new storm system is expected to move into central Wyoming later this evening,” states the Special Weather Statement issued early this morning. “The snow will spread southeast later tonight and continue into Friday before gradually tapering off by early Friday evening. Total snowfall amounts will range from 2 to 4 inches across the lower elevations of Fremont and Natrona counties along with 4 to 8 inches on Casper mountain.”

The hazardous weather outlook warns of snow accumulation of 9 to 18 inches in the mountains.

“Winds may gust to around 60 mph across portions of the southwest wind corridor…especially across the Green and Rattlesnake range,” it states.

Riverton new snow accumulation is estimated to be 2 to 4 inches tomorrow. Dubois is estimated to get 1 to 2 inches of new snow tonight, with little more tomorrow. Lander is expected to get about 1 inch of new snow tonight, with 3 to 5 inches possible on Friday.

Temperatures are expected to drop dramatically through the weekend.

“Low temperatures 15 to 25 degrees below zero in central basins and western valleys Saturday night and Sunday night,” the outlook states.

Today’s high in Lander is expected to be 41 degrees. That drops to a high of 16 on Friday, with lows reaching -7 on Friday night. Saturday’s and Sunday’s highs are expected to be 8, with lows reaching -13 and -15 respectively.

Riverton’s high today is expected to be 38 degrees. Tomorrow’s temperatures may top out at 13 with a low Friday night of -11. Saturday night the low is expected to be -22 with a Sunday high of 3 and low of -26.

Dubois’s high today will be 38, dropping to a high tomorrow of 16. Tomorrow night temperatures are estimated to reach 1, with a Saturday high of 10 and low of -3.