Winter weather is currently impacting the high elevations of southwest Montana, western Wyoming today and will continue through the weekend reports NOAA.
The snow will largely focus around the Yellowstone region with Beartooth Pass, Red Lodge Mountain, and Cooke City seeing significant accumulations of 1 FOOT or more by Sunday.
“The next weather system will move into the region on Thursday bringing accumulating snow to western areas Thursday and Thursday night. Activities in the Beartooth/Absaroka mountains and foothills up to Harlowton could see changing weather conditions. The Beartooth Pass could be impacted as well.” – NWS Billings
Further to the south, Jackson Hole and Grand Targhee should also see snow, albeit significantly less.
Red Lodge Mountain, MT:
Teton Pass, WY:
Winter Weather Advisory
Absaroka/Beartooth Mountains- 346 AM MDT Thu Oct 4 2018
…WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 10 AM MDT FRIDAY…
* WHAT…Wet snow. Total snow accumulations of 2 to 5 inches are expected.
* WHERE…Absaroka/Beartooth Mountains.
* WHEN…From 6 PM this evening to 10 AM MDT Friday.
* ROADWAY IMPACTED…Beartooth Highway US 212.
* ADDITIONAL DETAILS…Plan on slippery road conditions. Expect reduced visibilities at times.
Hazardous Weather Outlook
This Hazardous Weather Outlook is for portions of central Montana…south central Montana…southeast Montana and north central Wyoming.
* WHAT…Cool and unsettled conditions with rain and snow showers, and possible accumulating wet snowfall.
* WHERE…South Central and Southeast Montana, and North Central Wyoming.
* WHEN…Tonight, then again Sunday through Monday night.
* FIRST ROUND OF PRECIPITATION…The first wave of rain showers changing to snow will occur tonight. A couple inches of wet snow is possible west of Billings; mainly along the foothills. The mountains will likely see several inches of new snow, which will likely impact the Beartooth Pass.
* SECOND ROUND OF PRECIPITATION…A potential stronger storm system will roll across the northern Rockies and Plains Sunday through
Monday night. A cold rain on Sunday will likely change to wet snow Sunday night and continue into Monday night. Several inches of wet snow accumulation is possible. At this time, the most likely locations for significant snowfall are the mountains and over southeast Montana. This is expected to be a cold and wet system, so those with livestock, should consider making the necessary preparations. There is much uncertainty with the track of the storm system, so monitor your local forecast closely.