Posted: Monday May 28th, 2018 by meteorologist Jim Woodmencey Low-Pressure over Utah is still in place this morning and is circulating moisture & unstable air around the periphery of this Low. Low is present at the surface,  shown as the red “L” on Sat photo, and the big round “ball” (a closed Low) on the … Continue reading Memorial Day Weather →

Posted: Thursday, May 24th, 2018 by meteorologist Jim Woodmencey After some rainy weather Wednesday, due to a moist and unstable airmass over the western Wyoming, we will finally see some drying the next couple of days. However, do expect some shower activity to return over the Memorial Day Weekend. Best chances for some showers & … Continue reading Memorial Day Weekend Outlook →

The ski season is officially over now. Ironically, the deepest snowpack of the season in the mountains often occurs after the resorts are closed. That has been the case at least for the past two winter seasons at Jackson Hole, and for the majority of winters here the last 10 to 15 years. In this … Continue reading State of the Mountain Snowpack April 2018 →

This post will compare snowfall and water amounts in the Town of Jackson and the Teton Mountains to last winter’s epic snow and water amounts, as well as, to the historic averages. Most of the contents of this post were recently published in the Jackson Hole News & Guide. Town Snow and Water In the … Continue reading Winter 2017-18 Jackson Hole →

In the seven-day period following Valentine’s Day this year, the Jackson Hole valley became blanketed in snow again, after enduring what I will call a “brown-out” during late January and early February. Six inches of settled snow depth was reported at the Jackson Climate Station at the end of last week. The mountains picked up … Continue reading Wild Weather Februarys →

This is my annual summary of the weather for Jackson, WY for the year 2017. At the bottom of this post a re-cap of the weather highlights from 2017 in Jackson Hole. All data included in this weather summary is taken from the Jackson Climate Station. The historic averages and totals are from the official … Continue reading Jackson Hole 2017 Weather Review →

During the last week of December 2017 the computer models performed so poorly, by grossly over-forecasting snow accumulation over the northern Rockies, that I was about to give up on them. This week is a different story, they all handled the situation this second week of January very well. If anything, they under-forecasted snowfall amounts … Continue reading Models Get This One Right →

In my 25 years of forecasting the weather for Jackson Hole and the Teton Mountains, I have never experienced a forecast period that was as big a bust as this past week. Between the Christmas and New Year’s Weekends, as much as two feet of snow was forecast, and less than 6 inches accumulated. In … Continue reading “No-show” Snowstorms December 2017 →

Many people have asked me, “How much of a temperature drop did we have during the Eclipse?” What’s your guess? Well, according to the thermometers used at the Jackson Hole, Wyoming & Driggs, Idaho airports, the drop was probably not as big as you guessed. Jackson Hole Airport: Temperature went from 60.8 degrees F at … Continue reading Eclipse Temperature Drop →