A strong, low pressure system moved across the region in the days prior to the Thanksgiving Holiday producing widespread heavy snow and blowing snow conditions that shuttered down overall transportation for travelers and commerce along the interstates. Heaviest snowfall totals of over two feet measured at SNOTEL sites in the southern mountain ranges. The city of Cheyenne measured over a foot of snow causing enough disruption for the city and state offices there to close on Tuesday due to the poor travel conditions. A traveler in southwest Carbon County upon crashing his vehicle that subsequently burst into flames wandered off the main road was found a day later in a ravine succumbed to exposure.

Heavy Snow in SOUTHWEST CARBON COUNTY, WYOMING
From 24-NOV-19 23:00:00 to 26-NOV-19 12:00:00 (MST-7)
Reported by: County Official

A gentleman traveling through the area crashed his vehicle on the afternoon of the 25th during heavy snowfall in the area along state highway 70 near Dixon. The vehicle as a result of the crash caught on fire with the driver becoming lost after walking away. Crews were unable to locate the driver due to the inclement weather resulting in his body being found in a ravine a mile and a half from the crash the next morning. Coroner reports death was due to exposure from the elements with snowfall and temperatures in the 20s. Snowfall amounts on the eastern side of the forecast zone near the Sierra Madre Range were estimated in the 6 to 8 inch range with likely deep drifts.

Heavy Snow in CONVERSE COUNTY LOWER ELEVATIONS, WYOMING
From 25-NOV-19 03:00:00 to 26-NOV-19 11:00:00 (MST-7)
Reported by: Public

Observer in Douglas measured 8.0 inches of snowfall.

Heavy Snow in FERRIS/SEMINOE/SHIRLEY MOUNTAINS, WYOMING
From 25-NOV-19 03:00:00 to 26-NOV-19 12:00:00 (MST-7)
Reported by: Public

Observer located seven miles east of Seminoe Dam measured a total snowfall of 6.0 inches.

Heavy Snow in SOUTH LARAMIE RANGE FOOTHILLS, WYOMING
From 25-NOV-19 03:00:00 to 26-NOV-19 12:00:00 (MST-7)
Reported by: Public

Observer located seven miles east of Federal measured snowfall total of 18.0 inches the morning of the 26th while a COOP observer one mile south-southeast of Federal measured 15.0 inches that same morning.

Heavy Snow in SNOWY RANGE, WYOMING
From 24-NOV-19 23:00:00 to 26-NOV-19 12:00:00 (MST-7)
Reported by: SNOTEL

The Brooklyn Lake and Cinnabar Park sites both accumulated 1.5 inches of snow-water equivalent and applying a ratio of 18 to 1 comes up with an estimated snowfall total of 27.0 inches for the course of the event.

Heavy Snow in SIERRA MADRE RANGE, WYOMING
From 24-NOV-19 23:00:00 to 26-NOV-19 12:00:00 (MST-7)
Reported by: SNOTEL

Old Battle sensor measured 1.4 inches of snow-water equivalent and applying a ratio of twenty-to-one gave an estimated snowfall total of 28 inches. Several others sensors in the area measured over a foot of snow as well.

Heavy Snow in NORTH LARAMIE RANGE, WYOMING
From 24-NOV-19 23:00:00 to 26-NOV-19 12:00:00 (MST-7)
Reported by: SNOTEL

Windy Peak sensor measure a snow-water equivalent of 0.9 inches and applying a 15 to 1 ratio gives an estimated total snowfall of 13.5 inches.

Heavy Snow in NORTH SNOWY RANGE FOOTHILLS, WYOMING
From 25-NOV-19 03:00:00 to 26-NOV-19 12:00:00 (MST-7)
Reported by: Public

Observer in Elk Mountain measured a total snowfall amount of 18.0 inches. A nearby CoCoRaHS observer measured over fifteen inches of snow with this storm. Interstate 80 through the area was closed for periods of time due to crashes and poor road conditions brought on by the snow.

Heavy Snow in LARAMIE VALLEY, WYOMING
From 25-NOV-19 04:00:00 to 26-NOV-19 12:00:00 (MST-7)
Reported by: Public

Observer located ten miles west-southwest of Bosler measured a total snowfall of 6.0 inches.

Heavy Snow in GOSHEN COUNTY, WYOMING
From 25-NOV-19 05:00:00 to 26-NOV-19 12:00:00 (MST-7)
Reported by: CoCoRaHS

Observer located six miles north of La Grange measured a total snowfall of 8.9 inches.

Heavy Snow in EAST PLATTE COUNTY, WYOMING
From 25-NOV-19 04:00:00 to 26-NOV-19 12:00:00 (MST-7)
Reported by: Public

Observer in Wheatland measured a snowfall amount of 8.0 inches.

Heavy Snow in CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY, WYOMING
From 25-NOV-19 03:00:00 to 26-NOV-19 12:00:00 (MST-7)
Reported by: Public

Observer located twenty miles east-northeast of Bosler measured a total snowfall of 17.0 inches.

Heavy Snow in CENTRAL LARAMIE COUNTY, WYOMING
From 25-NOV-19 04:00:00 to 26-NOV-19 12:00:00 (MST-7)
Reported by: Public

Observer located one mile south-southeast of Warren Air Force Base measured a storm total snowfall of 15.0 inches. The official snowfall total for Cheyenne at the National Weather Service was 12.7 inches. City and State government offices were closed due to the heavy snow along with road closures on area roadways including Interstates 25 and 80.

Heavy Snow in EAST LARAMIE COUNTY, WYOMING
From 25-NOV-19 04:00:00 to 26-NOV-19 12:00:00 (MST-7)
Reported by: Public

Observer west of Burns measured 13.0 inches of snow.

Heavy Snow in SOUTH LARAMIE RANGE, WYOMING
From 25-NOV-19 03:00:00 to 26-NOV-19 12:00:00 (MST-7)
Reported by: SNOTEL

Sensor located six miles north of Vedauwoo measured a total snowfall of 22.5 inches.