Moist northerly flow Sunday night, 1/11, through Monday morning, 11/12, produced light to moderate snowfall accumulations across portions of central and western Wyoming. The heaviest low elevation snowfall occured in southern Washakie County and Hot Springs County, where 3 to 5 inches of snow fell. Accumulation in Fremont County was generally 1 inch or less, except in the Lander Foothills, where 1 to 4 inches of snow was reported. The mountains of central and western Wyoming generally received 3 to 6 inches of new snow, although up to 10 inches fell in the higher elevations of the Bighorn Mountains and in the higher elevations of southeastern Natrona County. Yellowstone National Park received a general snowfall ranging from a half of an inch at Mammoth and the West Entrance to 5 inches at the East Entrance and in the higher elevations in the east central portion of the park.
| County | Station Name | Snowfall |
|---|---|---|
| Big Horn | Bone Springs Divide Snotel | 6 |
| Big Horn | Bald Mountain Snotel | 3 |
| Big Horn | Shell Creek Snotel | 2.5 |
| Big Horn | Powell | 1.3 |
| Fremont | Lander 9SSE | 4 |
| Fremont | Lander 5WSW | 3 |
| Fremont | Shoshoni 13NNW | 3 |
| Fremont | Burroughs Creek Snotel | 3 |
| Fremont | Deer Park Snotel | 2 |
| Fremont | Hobbs Park Snotel | 2 |
| Fremont | St. Lawrence Alt Snotel | 2 |
| Fremont | Brooks Lake Lodge | 2 |
| Fremont | Townsend Creek Snotel | 2 |
| Fremont | Lander ASOS | 1.7 |
| Fremont | Lander 0.9 W | 1.7 |
| Fremont | Lander | 1.5 |
| Fremont | South Pass Snotel | 1.5 |
| Fremont | Jeffrey City | 1 |
| Fremont | Riverton | 0.5 |
| Fremont | Riverton 8NW | 0.5 |
| Fremont | Hudson | 0.3 |
| Hot Springs | Thermopolis | 5 |
| Hot Springs | Kirby | 3.5 |
| Hot Springs | Thermopolis 0.2 SSW | 3.3 |
| Hot Springs | Owl Creek Snotel | 2 |
| Hot Springs | Thermopolis 9NE | 1.7 |
| Johnson | Cloud Peak Reservoir Snotel | 10 |
| Johnson | Buffalo 4.1 SSW | 3 |
| Johnson | Buffalo | 3 |
| Johnson | Buffalo | 2.5 |
| Johnson | Buffalo 7.3 NE | 2.4 |
| Johnson | Hansen Sawmill Snotel | 2 |
| Johnson | Bear Trap Meadow Snotel | 1.5 |
| Johnson | Kaycee 17 NNW | 1 |
| Johnson | Barnum 5 NNW | 1 |
| Johnson | Kaycee 17.8 E | 0.8 |
| Lincoln | Willow Creek Snotel | 7.5 |
| Lincoln | Cottonwood Creek Snotel | 7.5 |
| Lincoln | Blind Bull Summit | 6 |
| Lincoln | Spring Creek Divide Snotel | 6 |
| Lincoln | Indian Creek Snotel | 3 |
| Lincoln | Blind Bull Summit Snotel | 3 |
| Lincoln | Box Y Ranch | 3 |
| Lincoln | Kelley Ranger Station Snotel | 2 |
| Lincoln | Hams Fork Snotel | 2 |
| Lincoln | Salt River Summit Snotel | 1.5 |
| Lincoln | Thayne 4.2 NNE | 0.6 |
| Natrona | Reno Hill Snotel | 10 |
| Natrona | Grave Springs Snotel | 9 |
| Natrona | Casper Mountain Snotel | 7 |
| Natrona | Casper 10SW | 6.5 |
| Natrona | Casper 4.3 WSW | 3.7 |
| Natrona | Casper 1.1 WSW | 3.5 |
| Natrona | Casper 4.4 WSW | 2.4 |
| Natrona | Casper ASOS | 2.3 |
| Natrona | Casper 2.7 NNE | 1.7 |
| Park | Pahaska | 4 |
| Park | Cody 5.0 ESE | 3.6 |
| Park | Beartooth Lake Snotel | 3 |
| Park | Meeteetse 0.1 NNE | 3 |
| Park | Timber Creek Snotel | 3 |
| Park | Clark 3NE | 3 |
| Park | Powell 3.9 ENE | 2.5 |
| Park | Powell 4ENE | 2.5 |
| Park | Evening Star Snotel | 2 |
| Park | Marquette Snotel | 2 |
| Park | Cody 2.4 WSW | 2 |
| Park | Blackwater Snotel | 2 |
| Park | Wolverine Snotel | 1.5 |
| Park | Powell 4.2 SW | 1.5 |
| Park | Kirwin Snotel | 1.5 |
| Park | Cody 2SW | 1 |
| Park | Younts Peak Snotel | 1 |
| Park | Meeteetse | 1 |
| Sheridan | Burgess Junction Snotel | 12 |
| Sheridan | Sucker Creek Snotel | 12 |
| Sheridan | Tie Creek Snotel | 10 |
| Sheridan | Dome Lake Snotel | 5 |
| Sheridan | Big Goose Snotel | 5 |
| Sublette | Triple Peak Snotel | 4.5 |
| Sublette | Loomis Park Snotel | 2 |
| Sublette | Snider Basin Snotel | 2 |
| Sublette | Elkhart Park G.S. Snotel | 1.5 |
| Sublette | Gunsight Pass Snotel | 1.5 |
| Sublette | East Rim Divide Snotel | 1.5 |
| Sublette | New Fork Lake Snotel | 1 |
| Sublette | Pinedale 13.8 NW | 0.5 |
| Teton | Jackson Hole Mountain Resort-Raymer | 7 |
| Teton | Togwotee Pass Snotel | 6 |
| Teton | Grassy Lake Snotel | 3 |
| Teton | Phillips Bench Snotel | 3 |
| Teton | Snake River Station Snotel | 3 |
| Teton | Jackson Hole Mountain Resort-Mid | 3 |
| Teton | Jackson Hole Mountain Resort-Base | 2 |
| Teton | Grand Targhee Snotel | 1.5 |
| Teton | Gros Ventre Summit Snotel | 1.5 |
| Teton | Base Camp Snotel | 1 |
| Teton | Snow King Ski Area | 1 |
| Teton | Teton Village 1.6 SW | 0.8 |
| Washakie | Middle Powder Snotel | 5 |
| Washakie | Powder River Pass Snotel | 1.5 |
| Washakie | Ten Sleep 16SSE | 1 |
| Yellowstone | Snake River Ranger Station | 5 |
| Yellowstone | Sylvan Road Snotel | 5 |
| Yellowstone | East Entrance Ranger Station | 5 |
| Yellowstone | Two Ocean Plateau Snotel | 4 |
| Yellowstone | Madison Ranger Station | 3 |
| Yellowstone | Sylvan Lake Snotel | 3 |
| Yellowstone | Parker Peak Snotel | 3 |
| Yellowstone | Canyon Snotel | 3 |
| Yellowstone | Grant Village Ranger Station | 3 |
| Yellowstone | Tower Falls Ranger Station | 2.5 |
| Yellowstone | Lake Ranger Station | 2 |
| Yellowstone | Lewis Lake Divide Snotel | 2 |
| Yellowstone | Canyon Ranger Station | 2 |
| Yellowstone | Thumb Divide Snotel | 1.5 |
| Yellowstone | West Entrance Ranger Station | 0.5 |
| Yellowstone | Mammoth Ranger Station | 0.5 |