Downed trees in the Snowy Range can be seen in a photo posted by the National Weather Service in Riverton. (Courtney Carpenter Ney, National Weather Service via Facebook)

The National Weather Service in Riverton is investigating damage from a possible tornado in the Snowy Range on Monday.

According to a social media post, the NWS says numerous trees in the area of Turpin Reservoir and the Bow River Campground appear to have been downed by a brief tornado or “straight line winds.”

A radar image also shows the possibility of a tornado, according to the post.

(NWS via Facebook)

The National Weather Service has issued a winter weather advisory for the southeastern Wyoming high country. Areas above 7,500 feet could get 3 to 6 inches of snow Monday night and Tuesday morning.

Wind gusts up to 50 mph could also complicate travel in places including Interstate 80 between Cheyenne and Laramie.

In western Wyoming, the Weather Service has issued a freeze warning for the upper Green River Basin, where temperatures could drop as low as 25 degrees.

Forecasters expect temperatures to return to normal by the weekend.

Additional information from the Associated Press