Some Snow for the Tetons Total snow accumulations predicted for today (Friday) thru Saturday morning for the Teton mountains are between 6 and 10 inches. See map below from the NAM model run by NexLab.  Click on the next map to see a loop of accumulating snow from 8 am today thru Noon Saturday, from … Continue reading Snow: First Days of December →

Low pressure systems out in the Gulf of Alaska and along the West Coast will bring moisture inland across the Western United States on Thanksgiving Day and into the weekend. Expect some decent snow accumulations from the higher Cascades and Sierra Nevada Mountains to the Tetons of Wyoming & Wasatch of Utah and also into … Continue reading Thanksgiving Weekend Snow →

A pretty good flow of Pacific moisture will be blowing inland across the Pacific Northwest this weekend, with progressively cooling temperatures (Nov. 3 & 4). Best shot of snow looks like it will come right at Northwest Wyoming Sunday & Sunday night. Map below shows the nose of the jet stream at 250mb or 35,000-ft.  … Continue reading More Snow for the Mountains →

Jackson Hole received some new snow, down to the valley floor, last night (October 29th) with some decent accumulation up in the Teton Mountains. There was about a half an inch in the Town of Jackson and up to 4 inches reported in Kelly, Wyoming. Up at elevation, between the 8,000 & 10,000-ft. elevation, new … Continue reading Snow for Halloween 2018 →

The next few days look to be colder and a bit snowy for parts of Wyoming, northern Utah and Colorado. Central Idaho’s mountains had theirs today for the most part, as a cold upper level Low-pressure moved over Idaho and then stats to sag south into Utah. See snowfall accumulation forecasts below. Scroll down to … Continue reading Snow Forecast: Oct. 9 to 12, 2018 →

Winter Weather comes to Wyoming this weekend. With a relatively large and cold Low pressure system moving into the Rockies on Saturday, then hanging out over the Central Rockies Sunday into Monday. This will create an “upslope” flow pattern against the Continental Divide.                         … Continue reading Snow for Columbus Day Weekend →

(Note: This article first appeared in the August 29, 2018 Issue of the JH News & Guide.) It has almost become a tradition in this column to talk about the coming winter’s weather, before summer is over. You might ask, why so early and who cares, it is only the last week of August?  Local … Continue reading The Very Early Winter Outlook….. →

In previous posts, I have talked about how thunderstorms develop and also how to make better use of weather forecasts, before you head outside in the summer. In this week’s post, I will talk about how lightning can hurt you, and some things you can do to protect yourself, if you happen to get caught … Continue reading Lightning Stats and Safety →

If you woke up this Saturday morning in the Town of Jackson to the pitter-patter of rain, you might have been as surprised as I was. Seeing as there was no mention of any chance of showers in the forecast, for the previous three days! No showers were even mentioned in the forecast for Jackson … Continue reading Showers that weren’t Forecast →

Whenever we have thunderstorms that are not caused strictly by afternoon heating,  there is usually another root cause. Most commonly, thunderstorms that form overnight or in the early morning hours in the Rockies are a result of a low pressure center or cold front passing overhead, or monsoon moisture. This morning, Tuesday July 17th, 2018, … Continue reading Early Morning Thunderstorms →