Advisory Archive

In the wee hours of the morning the mountains picked up snow: 5” at the Yellowstone Club, 3” outside Cooke City and 1-2” everywhere else. Westerly winds are blowing strong with speeds averaging 20-30 mph and gusts of 50-70 mph at the ridges. Temperatures are in the teens and should warm into the mid-20s today. Skies will become mostly sunny this morning, but cloud up again tonight and drop another 1-3 inches by tomorrow morning.

Yesterday, a fast moving storm system dropped 2-3 inches of high density snow in most locations with the exception of Cooke City which picked 6-8 inches. This morning temperatures are in the teens F and winds are blowing 15-25 mph out of the WSW with ridge top gusts reaching into the 40s. Today, snowfall will be limited to a few passing shows and no real accumulations are expected. The main weather event will be wind, which will continue to blow out of the WSW at 15-30 mph with gusts in the 40s. Temperatures will be above average today with highs climbing into the 30s F under partly cloudy skies.

Since yesterday morning another 6-8 inches of dense snow fell near Cooke City. The mountains around West Yellowstone received 2-3 inches while the mountains around Bozeman and Big Sky picked up 1-2 inches. At 4 a.m. mountain temperatures are in the upper 20s F to low 30s F and winds are strong out of the WSW blowing 15-25 mph with gusts over 40 mph being recorded in most locations. Today, temperatures will only warm a few degrees as a weak cold front moves over the area. Winds will remain strong out of WSW blowing 15-25 mph with gust reaching upwards of 50 mph. Moisture pushing in from the southwest will continue to produce a chance of mountain snow, mainly for the mountains around West Yellowstone and Cooke City where an additional 2-3 inches is possible. Snow will taper off this evening but another round of moisture is forecasted to impact the area tomorrow night into Tuesday.

Since yesterday morning, another 8 inches of dense snow fell near Cooke City, 4-6 inches near Big Sky and Hyalite Canyon, 3-4 inches near West Yellowstone, and 1-2 inches in the Bridger Range. Temperatures this morning ranged from the high teens to mid 20’s F. Westerly winds were averaging 15-25 mph and gusting 40-50 mph. With a warm front approaching SW Montana, temperatures will warm to near 30 F. Winds will blow 15 mph gusting to 25 mph from the SW but will increase tonight as the front passes. More snow will come with 4-6 inches expected near Cooke City and West Yellowstone, 1-3 inches near Big Sky, and a trace near Bozeman.

Yesterday another 6 inches of snow fell near Cooke City, 2-4 inches near Big Sky, 1-2 inches near Bozeman, and a trace of snow near West Yellowstone. With this snow came very strong winds which were blowing 30 mph gusting 50-60 mph from the W and SW. Gusts on Flanders Mountain in Hyalite Canyon reached 87 mph. This morning winds eased a little but should increase again and blow 15-20 mph from the SW and gust 30-50 mph. Temperatures were teens F this morning and will rise into the mid to upper 20’s F today. Snowfall will return late this morning. 5-7 inches should fall near Cooke City, 3-5 inches near West Yellowstone and Big Sky, and 1-2 inches near Bozeman.

Since yesterday morning 10-12 inches of snow fell near Cooke City, 4-5 inches near West Yellowstone, and 2-3 inches near Big Sky while the mountains near Bozeman remained mostly dry. Every place received strong winds which blew 30-40 mph last night with gusts of 60 mph. This morning winds from the SW were blowing 25 mph gusting to 40 mph and temperatures were in the mid 20’s F. Strong winds will continue today and should increase some this afternoon blowing from the W at 30 mph gusting to 50 mph. Temperatures will rise into the upper 20s F and many places should get about an inch of snow today while Cooke City could get 2-4 inches.

In the last 24 hours one to two inches fell in most mountain areas. The exceptions were Cooke City with over three inches and the Bridger Range with only a trace. Winds are westerly in the Bridger Range, but south to southwest everywhere else. Currently speeds are averaging 20-40 mph with gusts hitting 50-60 mph. Temperatures are in the high teens and will not warm much today. Snowfall throughout the day will measure 2-4 inches by tomorrow morning.

Cooke City picked up an inch of snow last night. Under mostly cloudy skies temperatures are 40F in Bozeman this morning, a whopping 60 degrees warmer than a week ago! Mountain temperatures are in the high teens with ridgetop winds from the west to southwest averaging 20-30 mph and gusting 40-50 mph. Today will have scattered snow showers with 1-3 inches falling as winds continue to blow strong.

Over the past 24 hours the mountains around Cooke City have picked up 3-4 inches of new snow totaling .4 inches of SWE. The mountains around Big Sky and West Yellowstone received around one inch while the mountains around Bozeman have remained mostly dry. This morning, temperatures are in the teens F and winds are blowing 15-25 mph from the west with ridgetop gusts in the thirties around Big Sky. Today, a weak ridge of high pressure will build over the area allowing temperatures to warm into the 20s F under partly cloudy skies. Winds will remain light to moderate out of the west. This break in the weather will be short-lived as another storm system is forecasted to impact our area tomorrow into Wednesday.

Over the past 24 hours 4-6 inches of low density snow has fallen in most mountain locations with the exception of Cooke City which has received closer to 10 inches. The two day storm totals are impressive. The mountains around Big Sky and West Yellowstone have received well over a foot low density snow totaling .7-.8 inches of SWE. The mountains around Cooke City have also received well over a foot of snow totaling 1” of SWE. The Bridger Range and Northern Gallatin Range have received 6-8 inches totaling .3-.5 inches of SWE.

Currently, temperatures are in the teens F with the exception of the Bridger Range where temps are in the single digits F. Winds are strongest near Big Sky including the northern Gallatin Range where they are blowing 20-40 mph out of the west-southwest. Winds are blowing 10-25 mph in all other areas. Today, snow will end by late morning and skies will begin to clear by this afternoon. Temperatures will warm into the twenties F and winds will continue to blow 15-25 mph from the west-southwest with localized gusts in the thirties. There will be a break in the weather tonight and tomorrow with more snow expected on Tuesday.