Showers and thunderstorms are expected across the southern and eastern US this week, with heavy rain and localized flooding, particularly near the Gulf Coast. Monsoonal moisture will bring rain and potential flooding to parts of the Southwest. Heat and fire weather threats will continue to impact the West. Read More >
Overview
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A moisture-laden flow off the Pacific Ocean combined with an upper level impulse resulted in very significant snowfall across the western mountains and valleys from Thursday night through Saturday morning. The heaviest snowfall occurred Friday night and Saturday morning. 1 to 2 feet was common in the mountains with around 1 foot of snow in some valley locations. 20 inches of snow was reported near Bondurant which is northwest of Pinedale. The snow changed to rain Friday night across Star Valley and southern Lincoln Counties. Some snow fell across northern Wyoming Saturday evening. Otherwise the weather was dry east of the Divide, but very windy around Casper Saturday morning. A wind gust of 80 mph was observed at a WYDOT sensor on outerdrive in Casper. |
 Snowfall Totals for December 9th and 10th |
Wind:
Location Speed Time/Date Elevation (ft.) ...Fremont County... 7 SW Muddy Gap 66 MPH 0350 PM 12/10 7380 Dubois Airport 45 MPH 0415 PM 12/10 7297 10 W Fort Washakie 45 MPH 0701 PM 12/10 9235 Jeffrey City 43 MPH 0318 PM 12/10 6374 10 W Dubois 42 MPH 0316 PM 12/10 8432 ...Hot Springs County... Boysen Peak 46 MPH 0555 PM 12/10 7300 Thermopolis 40 MPH 0436 PM 12/10 4426 ...Johnson County... 7 SW Barnum 49 MPH 0646 PM 12/10 6440 Buffalo Airport 41 MPH 0643 PM 12/10 4970 ...Lincoln County... Mt Coffin 80 MPH 0300 PM 12/10 10870 ...Natrona County... Casper Outer Drive 80 MPH 0631 AM 12/10 5463 16 S Hiland 62 MPH 0710 AM 12/10 6380 Casper Airport 46 MPH 0514 AM 12/10 5320 ...Park County... Hoyt Peak 77 MPH 0330 PM 12/10 9800 3 E Pahaska 54 MPH 0457 PM 12/10 7500 10 WNW Cody 43 MPH 1140 PM 12/09 8401 ...Sweetwater County... 15 SE Rock Springs 46 MPH 0444 PM 12/10 7550 Rock Springs Airport 40 MPH 0334 PM 12/10 6760 ...Teton County... Summit - Jackson Resort 61 MPH 0315 PM 12/10 10318 1 W Grant Village 53 MPH 0145 AM 12/10 7874 5 ENE Alta - Freds Mtn 48 MPH 0315 PM 12/10 9840 Jackson Hole Airport 44 MPH 0455 PM 12/10 6445 ...Washakie County... 15 SSW Big Trails 43 MPH 0340 PM 12/10 6554
Snow
Here are updated preliminary snowfall totals. The ending time for snowfall totals below range from Saturday morning to 4 PM Saturday afternoon, depending upon the data source. Additional data will be received Sunday morning, and a new statement will be issued Sunday. Note: SnoTELS (Snow Telemetry) are remote sensing sites in high mountain watersheds. Snowfall data from SNOTELS are estimated based on snow water equivalent. Location Snowfall Fremont County... Burroughs Creek Snotel... 17 inches. South Pass Snotel... 14 inches. Deer Park Snotel... 13 inches. Atlantic City... 11.8 inches. Castle Creek Snotel... 11 inches. Hobbs Park Snotel... 10 inches. Brooks Lake... 9 inches. Cold Springs Snotel... 6 inches. Little Warm Snotel... 3 inches. St. Lawrence Alt Snotel... 3 inches. Townsend Creek Snotel... 2 inches. Hot Springs County... Owl Creek Snotel... 2 inches. Lincoln County... Blind Bull Summit Snotel... 24 inches. Willow Creek Snotel... 22 inches. Indian Creek Snotel... 20 inches. Spring Creek Divide Snotel... 19 inches. Blind Bull Summit... 18 inches. Commissary Ridge... 18 inches. Box Y Ranch... 16 inches. Star Valley Ranch... 15.5 inches. Kelley Ranger Station Snotel... 15 inches. Hams Fork Snotel... 15 inches. Cottonwood Creek Snotel... 15 inches. Alpine... 12 inches. Salt River Summit Snotel... 12 inches. 5 SSE Smoot... 10 inches. 2 SE Thayne... 9 inches. 3 SE Bedford... 8 inches. Cokeville... 4 to 5 inches. Afton... 3.9 inches. 5 S Cokeville... 3 inches. Fossil Butte... 2.5 inches. Park County... Evening Star Snotel... 17 inches. Beartooth Lake Snotel... 15 inches. Blackwater Snotel... 13 inches. Younts Peak Snotel... 12 inches. Kirwin Snotel... 10 inches. Wolverine Snotel... 9 inches. Pahaska... 7 inches. 1 ENE Wapiti... 6.5 inches. 2 WSW Cody... 2 inches. 26 SW Cody... 1.8 inches. Timber Creek Snotel... 1 inch. Cody... 0.2 inches. Sublette County... Triple Peak Snotel... 20 inches. Loomis Park Snotel... 14 inches. Larsen Creek Snotel... 13 inches. Kendall Ranger Station Snotel... 11 inches. Elkhart Park G.S. Snotel... 11 inches. Snider Basin Snotel... 11 inches. Bondurant... 10.7 inches. Big Sandy Opening Snotel... 10 inches. New Fork Lake Snotel... 10 inches. Gunsite Pass Snotel... 10 inches. East Rim Divide Snotel... 10 inches. 14 NW Pinedale... 9.5 inches. Daniel Fish Hatchery... 9.2 inches. Pocket Creek Snotel... 9 inches. 26 NNW Pinedale... 8.5 inches. Pinedale... 5.9 inches. Boulder Rearing Station... 4.5 inches. Sweetwater County... 7 SE Rock Springs... 1 inch. 4 NNW Rock Springs... 1 inch. 5 N Farson... 1 inch. Green River... 0.8-1 inch. Rock Springs... 0.6-0.8 inches. Teton County... Jackson Hole - Rendezvous Bowl... 29 inches. Jackson Hole - Mid Mountain... 22 inches. Phillips Bench Snotel... 21 inches. Grassy Lake Snotel... 21 inches. Grand Targhee Snotel... 20 inches. 5 NW Jackson... 19.6 inches. Jackson Dam... 19.4 inches. Jackson Hole - Raymer... 19 inches. Base Camp Snotel... 17 inches. Granite Creek Snotel... 17 inches. Snow King... 15 inches. 2 SW Wilson... 15 inches. Grand Targhee - Chief Joseph... 14 inches. Snake River Stn Snotel... 13 inches. 1 ENE Teton Village... 12.8 inches. Gros Ventre Summit Snotel... 12 inches. Togwotee Pass Snotel... 12 inches. Moose... 10.5 inches. 1 NNW Alta... 9 inches. Jackson Hole - Base... 8.5 inches. Togwotee Mountain Lodge... 7 inches. Jackson... 5.5 inches. Darwin Ranch... 5 inches. Yellowstone National Park... Lewis Lake Divide Snotel... 20 inches. Parker Peak Snotel... 14 inches. Two Ocean Plateau Snotel... 13 inches. Thumb Divide Snotel... 11 inches. Old Faithful Ranger Station... 7.5 inches. Sylvan Road Snotel... 7 inches. Lamar Ranger Station... 6.5 inches. Canyon Snotel... 6 inches. Sylvan Lake Snotel... 6 inches. Tower Falls Ranger Station... 2.8 inches.
Photos:
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| Teton Pass (source WYDOT) |
Highway just north of Pinedale (source WYDOT) |
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