Advisory Archive
Since 6 a.m. yesterday morning another 10 inches fell in the Bridger Range; 6-8 inches around Big Sky, Hyalite and Cooke City; and 1-3 inches in the southern Madison and Gallatin Ranges. Winds spiked from the southwest yesterday afternoon with gusts near 40 mph, but have calmed to 5-10 mph except Cooke City where it’s blowing 20 mph. Mountain temperatures are in the mid teens and will rise to the low thirties today under sunny skies this morning, but increasing clouds this afternoon. Today will be a good day to call in sick (sniffle, hack) to taste the powder while it lasts.
Yesterday, winter officially ended with the Equinox. Saying good-bye to an old, reliable friend is difficult, but spring is full of energy and ready to play. It started snowing early this morning and at 6 a.m five to seven inches has fallen in the mountains. Temperatures are near 20F as winds average 15-25 mph from the west to southwest. Today will remain stormy and snowfall will taper off later this afternoon. Temperatures will reach the high 20s as winds remain moderate out of the southwest. An additional four to six inches should accumulate today.
Overnight 2-3 inches of new snow accumulated in the mountains around West Yellowstone, a trace to 2 inches has fallen in the mountains around Big Sky and Bozeman, while the mountains around Cooke City have remained dry. Currently, winds are blowing 15-30 mph out of the SSW with ridgetop gusts reaching into the 40’s around Hyalite and Big Sky. Mountain temperatures are ranging from the mid 20’s to low 30’s F and will rise into the upper 30’s by this afternoon. Winds will continue to blow 20-40 mph out of the WSW under cloudy skies. Another storm system is scheduled to impact our area tonight into tomorrow. 4-6 inches is possible in the southern mountains by tomorrow morning, 2-4 inches will likely fall in the north.
A fast moving storm has deposited 5 inches of snow in the Bridger Range and 1-2 inches elsewhere. Pre-frontal winds reached 40 mph yesterday afternoon, but decreased as the storm moved through. Currently, winds are blowing 10-20 mph out of the WSW with ridgetop gusts reaching close to 30 mph. Clear skies are keeping temperatures cool, with most mountain locations reading in the single digits to mid-teens F. Today, winds will continue to blow 10-20 mph out of the WSW and temperatures will rise into the mid 20’s to low 30’s F under mostly clear skies. Clouds will gradually move in this evening as a weak weather disturbance pushes in from the west. 1-2 inches of snow is possible in the mountains by tomorrow morning.
Skies were cloudy yesterday but no snow fell. Today’s weather should be similar though some snowfall may start this afternoon. Winds in most areas were SSW 10-20 mph, except on Lone Mountain and ridgetops in Hyalite where they were 20-40 mph. Temperatures were in the mid teens F to low 20s F. Today temperatures shouldn’t rise much and most areas will see highs in the mid 20s F with winds blowing 15-30 mph from the SSW. By tomorrow morning only 1-2 inches of snow should accumulate in the southern areas while the northern areas will receive a trace-1 inch.
Low level moisture and lingering instabilities yesterday produced an additional 1-2 inches of snow in the mountains near Big Sky and Bozeman. Further south 2-3 inches fell. Winds shifted to the S and SW blowing 15-30 mph this morning with temperatures in the low teens F. In Hyalite Canyon ridgetop winds were blowing 30-45 mph. A brief ridge of high pressure will provide mostly sunny skies with temperatures around 32 F though it should feel warmer. Winds will continue S and SW at 15-30 mph. Light snowfall should start tomorrow morning with a bit more coming tomorrow evening.
Last night the snow kept falling and temperatures dropped. In the past 24 hours, 17 inches fell near Cooke City and West Yellowstone, 12 inches near Big Sky and Hyalite Canyon, and 9 inches near Bridger. Although winds eased yesterday afternoon, they increased overnight and were blowing 10-30 mph from the western half of the compass this morning. Temperatures, which have been close to freezing in recent days, dropped to the teens F. Today, temperatures will rise into the low to mid 20s F and westerly winds will blow 5-15 mph. Light snowfall may linger but the storm has ended with dry air pushing into SW Montana this morning.
In the last 24 hours 16 inches of snow has fallen in the southern Madison Range and a foot near Cooke City. Moonlight Basin received seven inches while two to three inches fell in Hyalite and the Bridger Range. The storm is not done. Westerly winds are averaging 20-30 mph with gusts hitting 60 mph. Mountain temperatures are in the high 20s. Today I expect 8-12 inches in the southern mountains and 4-6 inches in the northern ranges as winds slightly abate and temperatures drop into the low 20s.
Yesterday morning, three to four inches of snow fell in the mountains from Big Sky to the Bridger Range. In the southern half of our region, six to seven inches accumulated. With temperatures in the upper teens, winds are blowing from the west to southwest at 20-30 mph with gusts near 40 mph. Today will be partly cloudy with mountain temperatures reaching the high 20s as wind speeds increase out of the southwest. More snow tonight will measure three to five inches in the north and five to eight inches down south by sunrise.
Warm and windy conditions are covering our forecast area. Currently, winds are blowing out of the WSW at 25-35 mph with gusts in Hyalite and Big Sky reaching over 50 mph. Mountain temperatures are currently in the high 20’s F and will warm into the 30’s F by this afternoon. Winds will continue to blow out of the WSW at 20-40 mph through the morning hours, but will gradually decrease by this evening. A weak weather disturbance will arrive by early afternoon depositing 2-3 inches of snow in the south and 1-2 inches in the north. A ridge of high pressure will build tonight into tomorrow making for a nice day on Tuesday.