A late season, quick hitting heavy snow from a digging low pressure system in the lee of the Rockies produced widespread heavy snow mainly in the evening and overnight hours across southeastern Wyoming. By sunlight on the 16th, many towns and communities had received snow upwards of six inches and more. The higher terrain areas of the Sierra Madres, Snowy and South Laramie Ranges measured well over a foot of snow.

Heavy Snow in GOSHEN COUNTY, WYOMING
From 15-APR-20 17:00:00 to 16-APR-20 17:00:00 (MST-7)
Reported by: CoCoRaHS

Observer located seven miles south-southeast of Yoder measured a total snowfall of 8.1 inches.

Heavy Snow in CENTRAL CARBON COUNTY, WYOMING
From 15-APR-20 17:00:00 to 16-APR-20 17:00:00 (MST-7)
Reported by: SNOTEL

Sage Creek Basin sensor at an elevation of 7850 feet measured a snow water equivalent of 0.7 inches. Applying a snow to liquid ration of 12 to 1 gave an estimated snowfall total of 8.4 inches.

Heavy Snow in CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY, WYOMING
From 15-APR-20 17:00:00 to 16-APR-20 17:00:00 (MST-7)
Reported by: Public

Observer located eight miles west of Chugwater measured a total snowfall of 7.0 inches.

Heavy Snow in CENTRAL LARAMIE COUNTY, WYOMING
From 15-APR-20 17:00:00 to 16-APR-20 17:00:00 (MST-7)
Reported by: Trained Spotter

Observer located six miles east-southeast of North Cheyenne measured a total snowfall amount of 9.9 inches.

Heavy Snow in EAST PLATTE COUNTY, WYOMING
From 15-APR-20 17:00:00 to 16-APR-20 17:00:00 (MST-7)
Reported by: Public

Observer in downtown Wheatland measured a total snowfall of 6.0 inches.

Heavy Snow in LARAMIE VALLEY, WYOMING
From 15-APR-20 17:00:00 to 16-APR-20 17:00:00 (MST-7)
Reported by: Public

Observer located seven miles east of Woods Landing measured 10.0 inches of snowfall shortly after 2 AM MST on the 16th. A CoCoRaHS observer east-southeast of Laramie measured just over 6 inches of snow as well.

Heavy Snow in NORTH SNOWY RANGE FOOTHILLS, WYOMING
From 15-APR-20 17:00:00 to 16-APR-20 17:00:00 (MST-7)
Reported by: Public

Observer located in Elk Mountain measured a total snowfall of 8.0 inches.

Heavy Snow in SOUTH LARAMIE RANGE FOOTHILLS, WYOMING
From 15-APR-20 12:49:00 to 16-APR-20 17:00:00 (MST-7)
Reported by: Public

Observer in Horse Creek measured a morning snowfall amount on the 16th of 6.0 inches.

Heavy Snow in SOUTH LARAMIE RANGE, WYOMING
From 15-APR-20 12:49:00 to 16-APR-20 17:00:00 (MST-7)
Reported by: SNOTEL

Crow Creek sensor at an elevation of 8330 feet measured a snow water equivalent of 1.2 inches and applying a fifteen to one ratio gave an estimated snowfall total of 18.0 inches. A CoCoRaHS observer three miles southeast of Buford measured 7.0 inches the morning of the 16th.

Heavy Snow in SIERRA MADRE RANGE, WYOMING
From 15-APR-20 05:00:00 to 16-APR-20 19:57:00 (MST-7)
Reported by: SNOTEL

Sandstone Ranger Station sensor at an elevation of 8150 feet measured a snow water equivalent of 2.0 inches and applying a ratio of 15 to 1 produced an estimated total snowfall of 30.0 inches.

Heavy Snow in SNOWY RANGE, WYOMING
From 15-APR-20 05:00:00 to 16-APR-20 19:57:00 (MST-7)
Reported by: SNOTEL

Cinnabar Park sensor at an elevation of 9574 feet measured a snow water equivalent of 1.6 inches and applying a 15 to 1 ration produced an estimated snowfall of 24.0 inches.