A Pacific low pressure system moved into the area and brought the first widespread snowstorm of the season. The heaviest snow fell in the favored east to northeast upslope flow areas. The east slopes of the Wind River Mountains had the most snow with 20 inches reported at the Hobbs Park SNOTEL. The Lander foothills had between 13 to 15 inches of snow with up to 9 inches near Thermopolis in Hot Springs County. Other snowfall totals included 8 to 11 inches in Rock Springs and Green River in Sweetwater County, 9 inches in Hyattville in Big Horn County, 10 inches near Ten Sleep in Washakie County, 9 inches in Buffalo in Johnson County and 7 inches in downtown Riverton.

Winter Storm in WIND RIVER MOUNTAINS EAST, WYOMING
From 16-NOV-16 19:00:00 to 17-NOV-16 22:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

Numerous SNOTEL sites reported over a foot of new snow. The highest amount reported was 20 inches at the Hobbs Park SNOTEL.

Winter Storm in LANDER FOOTHILLS, WYOMING
From 16-NOV-16 22:00:00 to 17-NOV-16 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The official spotter measured 13.5 inches of snow at the Lander airport. Anywhere from 13 to 15 inches of new snow was measured around Lander.

Winter Storm in ABSAROKA MOUNTAINS, WYOMING
From 16-NOV-16 20:00:00 to 17-NOV-16 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SNOTEL

A few SNOTEL sites reported over a foot of snow, including a maximum of 16 inches at the Marquette SNOTEL.

Winter Storm in NORTH BIG HORN BASIN, WYOMING
From 16-NOV-16 21:00:00 to 17-NOV-16 11:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter measured 9 inches of snow at Hyattville. Lesser amounts were reported further north where Greybull had less than 2 inches.

Winter Storm in SOUTHWEST BIG HORN BASIN, WYOMING
From 16-NOV-16 21:30:00 to 17-NOV-16 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Snow fall amounts ranged from 6 to almost 9 inches throughout the Southwest Big Horn Basin.

Winter Storm in WIND RIVER BASIN, WYOMING
From 16-NOV-16 23:00:00 to 17-NOV-16 13:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A COOP observer measured 7.1 inches of snow in downtown Riverton. Eight inches of snow was measured in Hudson.

Winter Storm in SOUTHEAST BIG HORN BASIN, WYOMING
From 16-NOV-16 21:30:00 to 17-NOV-16 12:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported around 10 inches of snow near Ten Sleep. Lesser amounts were reported further west, where Worland had an average of 5 inches.

Winter Weather in NORTHEAST JOHNSON COUNTY, WYOMING
From 16-NOV-16 20:00:00 to 17-NOV-16 20:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotters measured 9 inches of snow in Buffalo.

Winter Storm in ROCK SPRINGS & GREEN RIVER, WYOMING
From 17-NOV-16 03:00:00 to 17-NOV-16 19:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotters reported from 7 to 11 inches of snow across Rock Springs and Green River.