Advisory Archive
No snow fell yesterday or overnight, but snowfall started this morning near West Yellowstone with 2 inches of new snow at 6 a.m. and snow just beginning near Big Sky. This morning, mountain temperatures were mostly in the 20s F except in the Bridger Range where temperatures were near freezing. Winds eased a little this morning and were blowing 10-20 mph from the SSW with gusts of 30 mph; however, winds remained strong in Hyalite Canyon where they were averaging 30 mph with gusts of 50 mph.
A slow-moving winter storm will bring snowfall throughout the advisory area today. Temperatures should drop a few degrees and reach 0 F by tomorrow morning. Winds will also decrease. By tomorrow morning 8-10 inches of snow will fall near in the mountains West Yellowstone and Cooke City, 6-8 near Big Sky, and 3-6 near Bozeman. All the meteorological factors for snow are aligning well today making higher snow amounts possible. Snowfall will continue through Friday.
In the last 24 hours the southern mountains have picked up 2-4 inches of new snow while the northern mountains received only a trace to an inch. Mountain temperatures are in the mid-twenties with south to southwest winds averaging 20-30 mph and gusts in the 40s. Today will be warm and windy under partly cloudy skies. Tonight clouds will increase and snow showers will drop 2-3 inches of snow down south and a trace to one inch in the northern mountains.
In the last 24 hours 1-2 inches have fallen around Bozeman, 3-4 inches around Big Sky, 4-5 inches near West Yellowstone and 8 inches outside Cooke City. Mountain temperatures are in the teens with west to southwest winds averaging 20-30 mph and gusting to 50 mph. Today will be cloudy with temperatures rising to near 20F as winds continue to blow strong out of the west to southwest. By morning a trace to one inch of new snow is expected, but don’t fret, much more is slated for Thursday.
Over the past 24 hours 1-2 inches of snow has fallen over much of the forecast area except for the Bridger Range which squeezed out a trace. Currently, temperatures are in the teens F under mostly cloudy skies and winds are blowing 15-30 out of WNW. Today, temperatures will warm into the mid to upper 20s F and winds will remain out of the west blowing 15-30 mph. A stronger storm system is scheduled to arrive this afternoon bringing an increased chance of snow to the mountains. 2-4 inches is likely by tomorrow morning with the exception of the Bridger Range which will see 1-2 inches.
There is no new snow to report, but a weak weather disturbance could deposit a trace to one inch of snow by this afternoon. This morning mountain temperatures are in the 20s F with the exception of the West Yellowstone area where temperatures are in the single digits. Winds are blowing 15-30 out of the WSW with gusts in Hyalite reaching close to 50 mph. Today, temperatures will warm into the upper 20s to low 30s F and winds will continue to blow 15-30 out of the WSW. There is a chance of mountain snow showers through the day, but accumulations will be light. A stronger storm system is forecasted tomorrow night into Tuesday.
This morning valley temperatures were in the single digits F (West Yellowstone had -20 F) while mountain temperatures were mostly in the low teens F with slightly warmer temperatures in the Bridger Range. Winds were blowing westerly 10-15 mph with gusts of 20 mph. Today, a short lived ridge of high pressure will bring sunny skies and temperatures near 32 degrees F. Winds may ease a bit and today will a good one to be in the mountains. Clouds will return Sunday afternoon with a chance for snow and a better chance late Monday.
With another temperature inversion in place this morning, mountain temperatures were in the high 20s F while valley temperatures were mostly in the single digits F except in West Yellowstone where they were -17 F. Winds were blowing 10 mph from the W and SW and gusting 15-20 mph. Today cold air moving into the area will compete with sunshine, and temperatures should remain in the high 20s F. Gusty winds, especially in the mountains near Bozeman, will blow 10-30 mph. A brief ridge of high pressure will come Saturday followed by a trough of low pressure that should bring some precipitation Sunday evening.
Overnight warm air moved into the area, and this morning mountain temperatures were near 20 degrees F. An inversion has put most valley temperatures just below zero F and in West Yellowstone valley temperatures were at -20 degrees F. Yesterday for a brief period winds increased both in the Bridger Range and near Cooke City. By this morning winds were blowing 10-15 mph from the West and North with gusts of 20 mph. Near Bridger Bowl, mid-mountain winds were blowing 20-30 mph. Today mountain temperatures will climb into the high 20s F and low 30s F under clear, sunny skies. Winds should be mostly calm blowing 5-10 mph.
This morning I’m reporting no snow, clear skies, light winds and mountain temperatures in the single digits. High pressure will keep skies sunny. Today’s temperatures will warm into the low 20s and winds will remain light out of the northwest at 10-15 mph. Tonight will be cold with single digit temperatures, but over the next few days a general warming trend is predicted under mostly sunny skies.
In the last 24 hours a trace to one inch of snow has fallen with light winds out of the northwest. Temperatures this morning are 5-10F under mostly cloudy skies. Today, temperatures will warm into the teens as skies begin to clear. A few flurries will dust slopes as winds continue to blow northwest at 10-20 mph. Sunny skies are on the docket for the rest of the week.
