National Weather Service United States Department of Commerce


A potent and moist late spring storm produced heavy snow and rain across southeast Wyoming and western Nebraska from May 17th through the 19th. Snow amounts across southeast Wyoming ranged from 4 lower elevations to 36 inches over the mountains. Across western Nebraska, rain changed to snow early Thursday morning, with heavy snow falling Thursday and Thursday night. Numerous tree damage and power outages were reported.

snow lsr map

Snow reports received on May 19th. 

watches and warnings Weather Story before the Storm

Winter storm watches, warnings, and advisories issued May 17                                  



May 17, National Weather Service Weather Story Graphic

Snow Reports:

Snow reports Map Snow Reports Table


Photos & Video:

1 N Cheyenne Snowfall measurements Horse Creek

Snowfall north Cheyenne, WY

Credit: Amber Reese

Snowfall measurement at Cheyenne, WY

Credit: Oliver Smith

Snowfall at Horse Creek, WY

Credit: Chad Bunch

Happy Jack Rd Cheyenne, WY Cheyenne County

Snowfall near Happy Jack Rd. MM 10

Credit: Shannon Fischer

Snowfall measurement at Chugwater, WY

Credit: Jana Strahan

Tree clean-up after the snow storm at Cheyenne.

Credit: Wyoming Tribune Eagle