Star Valley Weather

Winter Weather Advisory URGENT – WINTER WEATHER MESSAGE National Weather Service Riverton WY 150 PM MST Mon Dec 13 2021 WYZ013-023-141300- /O.NEW.KRIW.WW.Y.0037.211214T0600Z-211215T1800Z/ Jackson Hole-Star Valley- Including the cities of Jackson, Afton, Alpine, Star Valley Ranch, and Thayne 150 PM MST Mon Dec 13 2021 …WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 11 AM MST WEDNESDAY… * WHAT…Snow expected. Total snow accumulations of 3 to 6 inches. Winds gusting as high as 45 mph. * WHERE…Jackson Hole…

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Following are the reported wind gust across Western and Central Wyoming Sunday and Sunday night.  Noteworthy,  as is commonly the case, Star Valley `was minimally affected with generally gusts no greater than 10-15 mph. Public Information Statement National Weather Service Riverton WY 726 AM MST Mon Dec 13 2021 …HIGHEST WIND REPORTS… Location Speed Time/Date Elevation (ft.) …Big Horn County… Willow Creek 46 MPH 0749 AM 12/12 4299 …Fremont County… Red Canyon – South Pass 72 MPH 0256 PM 12/12…

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November 2021 Precipitation across Star Valley Smoot 5  SSE           2.02 Star Valley Ranch   1.66 Alpine Airport         1.60 Afton                         1.57 Thayne  1.5 SE         1.52 Double L Ranch      1.48 Bedford 3 SE           1.22 Crow Creek                .83 Precipitation from surrounding mountain locations Cottonwood  SNOTEL          3.40…

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The first 3 weeks of November 2021 have been particularly mild with little snow across Star Valley.  The higher mountains also are below normal in beginning the winter snow pack.  The  forecast models are now confident that going into December conditions will remain  drier than normal and seasonably mild across Star Valley and surrounding areas.  Here are some charts and forecast  in support of this scenario. The current week there is  a fast moving  disturbance that will  bring some light…

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Public Information Statement National Weather Service Riverton WY 507 PM MDT Wed Oct 27 2021 …TOTAL PRECIPITATION REPORTS FROM MONDAY AND MONDAY NIGHT ACROSS WESTERN AND CENTRAL WYOMING… Location Amount Elevation (ft.) …Wyoming… …Big Horn County… Lovell 2 SSW 0.52 in 3950 Lovell 0.50 in 3847 Lovell 0.39 in 3964 Willow Creek 0.37 in 4299 Greybull 30 E 0.19 in 8897 Greybull Airport 0.11 in 3917 Basin 0.08 in 3897 Deaver 0.06 in 4105 …Fremont County… Lander 9 SSE 0.47…

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  As forecasted much of Wyoming experienced the first snow storm of the Fall.  Star Valley, also forecasted, missed out on the heavy snows as the storm system went around us through Utah and then into eastern Wyoming.   National Weather Service Riverton WY 1120 AM MDT Wed Oct 13 2021 …STORM SNOWFALL TOTAL REPORTS… The following snowfall reports are the final totals for the early fall snow storm that crossed Wyoming Monday night and Tuesday. Location Amount Time/Date Elevation…

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By the middle of July last summer Star Valley was very dry with virtually no rain  having fallen since May.  However there has been a major improvement in the Valley water conditions heading into the  coming winter. Last winters snowpack was below normal and with the ground water depleted by the previously very dry summer, much of the snow melt went to recharge the ground water, leading to the current very low levels in reservoir systems of the area. However…

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Total Precipitation Oct 1-9 2021 Public Information Statement National Weather Service Riverton WY 941 AM MDT Sun Oct 10 2021 …Precipitation Reports Since 9 AM Friday… Widespread rain and high elevation snow fell across western and central Wyoming Friday and Saturday. Following are the 48-hour precipitation totals ending at 9 AM Sunday as reported from a variety of sources. Location Amount Time/Date Provider …Big Horn County… Greybull 30 E 1.21 in 0858 AM 10/10 RAWS Lovell 2 SSW 0.49 in…

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The new water year begins on October 1st.  Why October 1st? The simple answer has to do with the way the water cycle works. The setup for next year’s hydrologic “action”, (snowmelt runoff) takes place starting in the prior fall, not January.  And precipitation that occurs toward the end of the calendar year often doesn’t impact flow in streams and rivers until the following spring. The water year 2020/21 has just ended and it was a quite dry one in…

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National Weather Service Riverton WY 418 PM MDT Sun Sep 19 2021 …FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY MORNING… Upper Wind River Basin-Wind River Basin-Lander Foothills- Green Mountains and Rattlesnake Range-Star Valley- Upper Green River Basin Foothills-Upper Green River Basin- South Lincoln County-Rock Springs and Green River-Flaming Gorge- East Sweetwater County- Including the cities of Dubois, Riverton, Shoshoni, Lander, Jeffrey City, Afton, Alpine, Star Valley Ranch, Thayne, Pinedale, La Barge, Big Piney, Farson, Kemmerer, Cokeville, Rock…

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