A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >
Overview
| A strong cold front plunged south across the area on Saturday, spreading snow and sharply colder temperatures along and east of the Continental Divide. | |
 GOES 16 Visible Satellite Loop from Sunday afternoon showing areas where heavier snow fell across the Big Horn and Wind River Basins as low clouds moved out of the area (white areas that move are clouds, white areas that don't move are snow). Click on Image to Enlarge |
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| I 25 in Casper Saturday Evening 4 inches of snow was reported at the Natrona County International Airport |
Riverton - 6 inches of snow reported east of Downtown |
9-10 inches of new snow at Sinks Canyon Campground south of Lander |
Snow
| County | Station Name | Snowfall |
|---|---|---|
| Big Horn | Shell Creek Snotel | 13 |
| Big Horn | Bone Springs Divide Snotel | 13 |
| Big Horn | Hyattville | 9.3 |
| Big Horn | Bald Mountain Snotel | 9 |
| Big Horn | 9 ENE Greybull | 2 |
| Big Horn | Basin | 2 |
| Big Horn | Greybull | 2 |
| County | Station Name | Snowfall |
| Fremont | 9 SW Lander | 9.5 |
| Fremont | 9 SSE Lander | 9 |
| Fremont | Townsend Creek Snotel | 7 |
| Fremont | 9 SSE Lander | 6.5 |
| Fremont | Hudson | 6.5 |
| Fremont | Riverton | 4 to 6.2 |
| Fremont | Lander Airport | 6 |
| Fremont | St. Lawrence Alt Snotel | 6 |
| Fremont | Lander | 5 to 5.7 |
| Fremont | 4 W Riverton | 5 |
| Fremont | Kinnear | 4.5 |
| Fremont | 7 SE Lander | 4 |
| Fremont | Deer Park Snotel | 4 |
| Fremont | Lander | 3.7 |
| Fremont | Riverton Airport | 3.3 |
| Fremont | Hobbs Park Snotel | 3 |
| Fremont | Burris | 2 |
| Fremont | Jeffrey City | 2 |
| Fremont | Burroughs Creek Snotel | 2 |
| Fremont | Castle Creek Snotel | 2 |
| Fremont | Little Warm Snotel | 1 |
| Fremont | Dubois | 0.5 |
| County | Station Name | Snowfall |
| Hot Springs | Owl Creek Snotel | 6 |
| Hot Springs | Lucerne | 0.7 |
| Hot Springs | 9 NE Thermopolis | 0.6 |
| Hot Springs | Thermopolis | 0.4 |
| County | Station Name | Snowfall |
| Johnson | Little Goose Snotel | 11 |
| Johnson | Hansen Sawmill Snotel | 9 |
| Johnson | Bear Trap Meadow Snotel | 7 |
| Johnson | Soldier Park Snotel | 7 |
| Johnson | Cloud Peak Reservoir Snotel | 7 |
| Johnson | 4 SSW Buffalo | 4.5 |
| Johnson | 17 NNW Kaycee | 4 |
| Johnson | Buffalo | 3 |
| Johnson | 13 SSE Buffalo | 2 |
| Johnson | 17 E Kaycee | 1.7 |
| County | Station Name | Snowfall |
| Lincoln | Fossil Butte | 0.5 |
| County | Station Name | Snowfall |
| Natrona | 1 SW Casper | 6.5 |
| Natrona | 1 S Casper | 5.8 |
| Natrona | Casper | 5 |
| Natrona | Casper Mountain Snotel | 5 |
| Natrona | Grave Springs Snotel | 5 |
| Natrona | 4 WSW Casper | 4.9 |
| Natrona | 12 NE Lysite | 4.5 |
| Natrona | 5 SSW Casper | 4.5 |
| Natrona | Casper Airport | 4.1 |
| Natrona | 10 WSW Casper | 4 |
| Natrona | 1 SW Casper | 4 |
| Natrona | 2 E Evansville | 3 |
| Natrona | Powder River | 3 |
| Natrona | Reno Hill Snotel | 2 |
| Natrona | 18 SW Casper | 1 |
| County | Station Name | Snowfall |
| Park | Evening Star Snotel | 8 |
| Park | Beartooth Lake Snotel | 6 |
| Park | Kirwin Snotel | 5 |
| Park | 2 WSW Cody | 4 |
| Park | Marquette Snotel | 4 |
| Park | Blackwater Snotel | 4 |
| Park | Cody | 3 |
| Park | Pahaska | 3 |
| Park | 26 SW Cody | 3 |
| Park | 3 NE Sunshine | 2 |
| Park | Wolverine Snotel | 1 |
| Park | 3 NE Clark | 0.5 |
| County | Station Name | Snowfall |
| Sublette | Triple Peak Snotel | 2 |
| Sublette | East Rim Divide Snotel | 1 |
| Sublette | Gunsite Pass Snotel | 1 |
| Sublette | Pocket Creek Snotel | 1 |
| Sublette | 14 NW Pinedale | 0.6 |
| County | Station Name | Snowfall |
| Sweetwater | Green River | 0.2 to 0.5 |
| Sweetwater | 4 NNW Rock Springs | 0.5 |
| Sweetwater | Rock Springs | 0.2 |
| County | Station Name | Snowfall |
| Teton | Grand Targhee Snotel | 3 |
| Teton | Togwotee Pass Snotel | 2 |
| Teton | Grassy Lake Snotel | 2 |
| Teton | Darwin Ranch | 1.7 |
| Teton | Snake River Stn Snotel | 1 |
| County | Station Name | Snowfall |
| Washakie | Middle Powder Snotel | 9 |
| Washakie | Ten Sleep | 6 |
| Washakie | 16 SSE Ten Sleep | 5 |
| Washakie | Powder River Pass Snotel | 3 |
| Washakie | 8 SW Worland | 1 |
| Washakie | Winchester | 0.3 |
| County | Station Name | Snowfall |
| Yellowstone | Yellowstone East Entrance | 4 |
| Yellowstone | Parker Peak Snotel | 4 |
| Yellowstone | Sylvan Lake Snotel | 3 |
| Yellowstone | Sylvan Road Snotel | 2 |
| Yellowstone | Canyon Snotel | 1 |
| Yellowstone | Two Ocean Plateau Snotel | 1 |
| Yellowstone | Snake River Ranger Station | 0.1 |
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