After a brief setback to early spring this weekend which saw snowfall up to 3 inches Saturday morning, a major pattern shift will take place bringing summer like temperatures later this week. This shift can best be seen in the series of 500 mb charts showing a major upper ridge replacing the current low pressure trough over the area. This will lead to temperatures well above normal by the end of the coming week over the Western States …
After being unavailable most of the past winter the Web Cam located in the West Hills with a great view of Afton and the upper valley is back on line. http://www.camviewing.com/mosaic/ Here are videos the past couple days from the cam during sunset and the rise of the full moon. The first invasion of Snake River Valley dust of the spring was observed Wednesday afternoon Thursday afternoon May 7 2020
While residents of Star Valley realize that snow could still fall even into June, typically the period from October 1st to the end of April comprises the snow season. Thus it is a good time to review this past winter which most of Western Wyoming experienced an above normal snowfall. The first graph shows the totals for the period from October 1 2019 to April 30 2020 at reporting stations in Star Valley as well as Jackson. Typically the greater…
After one more Pacific weather system brings some mountain snows and valley rain to Western Wyoming Thursday, the storm track will be shifting to the north of the Cowboy State. Beginning this weekend drier and warmer conditions should dominate much of the remainder of April. The following graphic illustrates this trend with troughing in the Eastern U.S. and colder than normal , with above normal and drier in much of the southwestern states, including Wyoming. …
National Weather Service Riverton WY 0939 AM MDT Thu Apr 16 2020 A mid-April winter storm has brought a fresh layer of snowfall to much of the state. Highest snowfall amounts were generally across Fremont County and across higher elevations. Below are preliminary snowfall totals from Wednesday night through 8 am Thursday morning. 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 Big Horn…
National Weather Service Riverton WY 1247 PM MDT Tue Apr 14 2020 …More Spring Snow and North Wind for Western and Central Wyoming… .Another storm system will move south out of Canada into Montana and Wyoming tonight through Thursday morning. This storm will bring more snow to much of the area, with many lower elevation locations seeing 3 to 5 inches, and the mountains getting 6 to 12 inches. This storm will bring a strong north to northeast wind Wednesday…
Public Information Statement National Weather Service Riverton WY 841 AM MDT Mon Apr 13 2020 The strong cold front pushed south across western and central Wyoming Saturday, that produced substantial snowfall across much of the area over the weekend, has left very cold air in its wake. High temperatures were as much as 45 degrees colder on Sunday, compared to what they were just two days prior on Friday. The high temperature at the Riverton Regional Airport Friday was 71…
While March typically sees the beginning of Spring, this March saw little real evidence of that, as temperatures were just as cool the last part of the month as the first. The Afton monthly temperature graph best illustrates this: It was also quite cloudy most days with precipitation observed on about half the days of the month; Above normal precipitation(snowfall) was common from Star Valley north to YNP, while east of the mountains it was mostly drier than normal Good…
URGENT – WINTER WEATHER MESSAGE National Weather Service Riverton WY 145 AM MDT Mon Mar 30 2020 …Snow returning to western Wyoming… .March will go out like a lion in western Wyoming as ample Pacific moisture moving into the area will bring a return to winter with moderate to heavy snow. At this time the heaviest snow is expected late Monday night and Tuesday morning after mainly light snow during the day today. Jackson Hole-Star Valley- Including the cities of…
Special Weather Statement National Weather Service Riverton WY 250 PM MDT Sun Mar 29 2020 Yellowstone National Park-Absaroka Mountains- Teton and Gros Ventre Mountains-Jackson Hole- Wind River Mountains West-Wind River Mountains East-Star Valley- Salt River and Wyoming Ranges-Upper Green River Basin Foothills- Upper Green River Basin- Including the cities of Lake, Mammoth, Old Faithful, Jackson, Afton, Alpine, Star Valley Ranch, Thayne, Pinedale, La Barge, Big Piney, and Farson 250 PM MDT Sun Mar 29 2020 …Significant snowfall expected for far…