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Bighorns could see 15 inches of snow with spring storm, up to 7 inches in Buffalo


CASPER, Wyo — A strong cold front moving south will bring snow and much colder temperatures to western and central WY Sunday night through through Monday, said the National Weather Service (NWS) in Riverton.

Winter storm warning have been issued for the Bighorn mountains and northern Johnson County. Total snow accumulations of 10 to 15 inches with locally higher amounts are possible in the mountains. Buffalo could get  4 to 7 inches of snow, and gusty winds of 15 to 20 mph with gusts up to 30 mph are possible.

The Absaroka Mountains could get 5 to 8 inches, with locally higher amounts possible.

“Roads may become slick and snow covered,” NWS, including along the Interstate 90 corridor, Interstate 25 near Kaycee, the Wind River Canyon, and especially along the Chief Joseph Highway.

“Back country enthusiasts should be aware of rapidly dropping temperatures, gusty winds, and significant snowfall beginning Sunday evening,” NWS added.

Snow will begin to fall around sunrise Monday in Casper, with the lower elevations of Natrona County getting 3 to 5 inches total accumulation. 6 to 8 inches of snow is possible for Casper Mountain. 

Casper will be sunny, with a high near 54 Sunday. Breezy winds could gust up to 22 mph.