Advisory Archive
At 6 a.m. seven to nine inches of new snow has fallen throughout southwest Montana. A moist Pacific storm is driving through on a northwest flow. Mountain temperatures are in the teens and ridgetop winds are blowing west to northwest at 25-35 mph. The storm is expected to pick up later this morning and last through Wednesday. Today winds will pick up to 30-40 mph and more snow will fall. By morning I expect 10-12 inches in the mountains.
Over the past 24 hours quiet weather has been in place over southwest Montana. This pattern should continue through much of today. Currently, mountain temperatures are ranging from the single digits to low teens and winds are blowing out of the WNW at 15-25 mph. Today, temperatures will climb into the twenties and winds will gradually increase out of the WNW blowing 25-35 mph. Skies will remain mostly clear through the morning, but an approaching front will produce increasing clouds by this evening. A warming trend will allow temperatures to rise to above seasonal averages by tomorrow.
Over the past 24 hours 3-5 inches of snow has fallen over the advisory area with the exception of the Bridger Range which picked up 6-7 inches. Mountain temperatures are currently in the single digits and winds are blowing 5-15 mph out of the WNW. Today, an unsettled weather pattern will continue with an additional 1-2 inches possible in the mountains. Temperatures will warm into the teens and winds will increase to 10-20 mph out of the WNW. Conditions will gradually dry out by tomorrow but another storm system is scheduled to arrive on Tuesday.
Since yesterday morning a trace to one inch of snow has fallen over the mountains of our advisory area. Currently, mountain temperatures are in the teens and winds are blowing out of the WSW at 10-20 mph. Today, temperatures will warm into the 20s F and winds will shift to the WNW blowing 15-25 mph. An approaching cold front will produce an increased chance of snow showers by this afternoon. 3-5 inches will likely accumulate in the mountains by tomorrow morning.
Overnight 2-3 inches of snow fell throughout the advisory area. Winds decreased slightly from yesterday and this morning were blowing 10 mph with gusts of 25 mph from the W except in the Bridger Range where winds were blowing 20 and gusting to 30. Temperatures were in the low to mid teens F. Snow will continue this morning with an additional 2-3 inches falling. Some areas may see some sun this afternoon before another small dose of snow arrives Saturday. Temperatures will rise into the low 20s F, and winds will decrease a little by afternoon.
Clear skies overnight helped drop temperatures into the single digits to low teens F this morning. The recent period of abnormally calm winds may be ending. This morning westerly winds were averaging 10-15 mph with gusts in the 20s except in the Bridger Range and Hyalite Canyon where ridgetop winds were blowing 20-35 mph. Today, temperatures will warm into the high teens and low 20s F. Westerly winds will blow 10-15 mph with gusts of 20-30 mph. Tonight, moisture will descend from the northwest and produce an inch or two of new snow by tomorrow morning.
Before the storm ended yesterday morning an additional inch of snow fell in most locations. Winds blew westerly at 15-20 mph yesterday, but have calmed to 10 mph. Today skies will be mostly sunny, although the mountains around West Yellowstone and Cooke City will remain cloudy for most of the morning. No snow is in the immediate forecast. This morning mountain temperatures are in the single digits, but will warm to the upper teens as winds remain eerily calm.
This morning 3-4 inches fell in the northern mountains and 2-3 inches down south with light westerly winds averaging 10-15 mph. Temperatures are in the teens under cloudy skies. Scattered snow showers will drop another inch or two this morning. Under mostly cloudy skies mountain temperatures will rise into the 20s with winds remaining light out of the west.
During the past twenty four hours no new snow has fallen over our forecast area. This morning, mountain temperatures are in the teens under mostly cloudy skies and winds are blowing out of the WNW at 5-15 mph. Today, temperatures will warm into the mid twenties and winds will remain light out of the WNW at 5-15 mph. A weak weather disturbance will bring a chance of snow showers to the mountains through the day. A trace to one inch is possible by this afternoon. A better chance of snow will arrive later tomorrow.
Over the past 24 hours 1-2 inches of new snow has fallen in the mountains around Cooke City and West Yellowstone. The mountains around Bozeman and Big Sky have remained mostly dry. This morning, temperatures are in the low 20s under mostly cloudy skies and winds are blowing 5-10 mph out of the WNW. Today, temperatures will warm into the high 20s under mostly cloudy skies and winds will stay light out of the WNW. A weak weather disturbance will brush by our area producing a slight chance of mountain snow showers this afternoon.
