Cold air pushing down through Montana this morning, with snow down along the east side of the Continental Divide down to fairly low elevations, like around Pendroy, MT located northwest of Great Falls and just east of the Rockies ( Web cam pic below). US Hwy 89 Near Pendroy, MT And snowing down into Southwest … Continue reading First Blast of Cold Canadian Air →

This past Saturday, September 22nd, was the Autumnal Equinox and the official end of summer and start of the Fall Season. Almost as if on cue, good fall colors can be seen over the Rocky Mountain West. This last week in September and the first week in October seem to be normal timing for peak … Continue reading Fall Colors on Schedule →

If you are really into the weather and especially weather related to fire behavior, you can follow along more closely with information posted on the NWS Riverton website page that was set up to assist the fire weather forecasters working the Little Horsethief Wildfire near Jackson,WY. Main link is here: NWS Horsethief Fire pageI will … Continue reading Horsethief Fire Weather Page →

Photos below show the quick progression of the Horsethief / Wilson Canyon Fire as it blew up on Sunday afternoon, between 2:00 pm & 3:15 pm. Most of these photos were taken from the ridge on Munger Mountain, along the Wally’s World Trail. Munger Mountain is located to the Southwest of the fire.  This series … Continue reading Fire Weather & Air Quality →

With temps near 90 degrees the last two days in Jackson Hole it is hard to even think about snow and the coming Winter Season. But it happens every year in late August, the questions begin as to, “What kind of winter are we going to have?” With the start of the Fall Season still … Continue reading Winter Weather Outlook 2012-13 →

Late afternoon and early evening (between about 4:30 and 8:30 pm) on Friday July 27th there were some very cool looking cumulus clouds associated with thunderstorms around the Tetons & the Jackson Hole area. Most of these would be classified as Cumulonimbus Mammatus Clouds. That is, they were of “cumulo-form” (tall & puffy)…… They produced … Continue reading Cool Cumulus Clouds →

Downpours associated with thunderstorms that moved over Jackson Hole on Sunday produced about a half an inch of rain in town. That actually put us over the top for July’s precipitation and we are now above normal for the month, with another week or so to go. Normal precipitation in town in July is 1.05 … Continue reading Thunderstorms Add Needed Water →

A large thunderstorm cell developed over Southeastern Idaho late Wednesday morning (July 11, 2012) and drifted slowly east over Northwestern Wyoming at around noontime. This thunderstorm cell grew to roughly the size of Teton County,WY and produced a fair amount of lightning as it moved overhead. The images below are from the height of that … Continue reading July 11, 2012 Thunderstorm Summary →

To no one’s surprise, June 2012 was warm & dry. It was not the hottest June ever by any means, but it was certainly one of the driest on record. I will review temperatures first and then the precipitation, or lack thereof! Temperatures The average high temperature in the Town of Jackson during June 2012 … Continue reading June 2012 Weather Review →

June is shaping up much like it did back in the Summer of 1988, with hot, dry, and windy weather rapidly escalating the fire danger. Big, rapidly growing fires this season already in Colorado, Utah, and Southwestern Wyoming should be all the reminder we need to be extra careful this Fourth of July Week. (See … Continue reading Fire Weather Season →