Advisory Archive

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.

Over the past 12 hours a trace of new snow has fallen in most areas. Currently, winds are blowing out of the WSW at 5-20 mph and mountain temperatures are in the high teens to low 20’s F. Today, plenty of sunshine will warm temperatures into the 30’s F and winds will continue to blow out of the WSW at 10-20 mph. Clouds and wind will gradually increase by this evening as a storm pushes into the Pacific Northwest. A better chance of moisture will arrive tomorrow afternoon.

Overnight a trace to one inch of snow fell over much of our forecast area. Currently, winds are blowing out of the WSW at 5-15 mph and mountain temperatures are in the high single digits to low teens F. Today, mountain temperatures will warm into the high 20’s to low 30’s F and winds will stay light out of the WSW at 5-15 mph.  Skies will be partly cloudy this morning, but will gradually become mostly cloudy by this afternoon. A slight chance of mountain snow showers will arrive later tonight. 1-2 inches is possible in the mountains by tomorrow morning. 

Last night’s powerful storm delivered more strong winds, snowfall, and some lightning. 7 inches of snow fell near Cooke City and West Yellowstone, 4-5 inches in the Gallatin and Madison Ranges, and 2 inches in the Bridger Range. Yesterday S and SW winds blew 30-40 mph with gust of 70-80 mph. As snowfall started around 9pm, temperatures were near freezing and winds shifted to the W at similar speeds. This morning W winds were blowing 20-40 mph and temperatures had dropped into the teens.

Today, temperatures will rise into the mid 20s F and W winds slowly decrease to 10-20 mph. Skies should have a mix of sun and clouds, and a trace of snow may fall in the southern half of the advisory area. More snowfall should come Saturday evening.

Since yesterday 2-3 inches of snow fell in the mountains near Cooke City, West Yellowstone, and the Taylor Fork drainage. Winds will dominate today’s weather. They increased last night and were blowing 20-40 mph from the SW this morning. Today winds will increase with gusts reaching 50 mph. Temperatures were in the mid 20s F this morning and should climb into the mid 30s F today. A Pacific storm driving these winds will bring more snow starting this evening and ending tomorrow morning. 5-7 inches should fall near Cooke City and West Yellowstone, 3-5 inches near Big Sky, and 2-3 inches near Bozeman.

Lingering showers yesterday morning and a bit more last night accumulated five inches near Big Sky, and two to three inches everywhere else. West winds increased at the ridge tops and have averaged 25-30 mph with gusts to 40 mph. Temperatures are currently in the low teens after reaching the mid 20s yesterday. Later today, mostly sunny skies will cloud over as mountain temperatures rise into the low 30s and winds blow west to southwest at 25-35 mph. A trace to one inch of snow may fall in the southern mountains tonight, but a dry high pressure ridge is keeping significant snowfall at bay.  

Most mountain locations picked up 1-2 inches of new snow in the last 24 hours. Winds have been calm with mountain temperatures last night dropping to 10F from yesterday’s highs in the upper 20s. Today will turn sunny before clouding up later this afternoon.  Temperatures will reach the low 30s and winds will pick up from the west.  Tonight snowfall will measure 2-4 inches with ridgetop winds at 20-30 mph.   

Since yesterday morning 3-4 inches of snow has fallen in the Bridger Range, while a trace to 2 inches has fallen elsewhere. Mountain temperatures are ranging from 5 degrees F in Cooke City to the low teens in most other locations. Winds are fairly calm, blowing out of the WSW at 5-15 mph, with the exception of the Ridge at Bridger Bowl where they are blowing out of the SSE at 5-10 mph. Today, temperatures will warm into the low 30’s under partly cloudy skies and winds will stay light out of WSW. An increasing chance of snow will arrive tomorrow afternoon.

Since yesterday morning 3-4 inches of snow has fallen in the Bridger Range, while a trace to 2 inches has fallen elsewhere. Mountain temperatures are ranging from 5 degrees F in Cooke City to the low teens in most other locations. Winds are fairly calm, blowing out of the WSW at 5-15 mph, with the exception of the Ridge at Bridger Bowl where they are blowing out of the SSE at 5-10 mph. Today, temperatures will warm into the low 30’s under partly cloudy skies and winds will stay light out of WSW. An increasing chance of snow will arrive tomorrow afternoon.

Over 18 inches of new snow has fallen in the mountains around Cooke City since yesterday morning. The rest of our advisory area has picked up 5-7 inches. This morning mountains temperatures are ranging from the mid teens to low 20s F and winds are light out of the WSW at 5-15 mph. Today temperatures won’t get much warmer and winds will stay light out of the WSW. Another weak weather disturbance will move in by early afternoon producing light snow showers throughout southwest Montana. An additional 2-4 inches will fall around Cooke City and West Yellowstone while 1-2 inches will fall in the mountains around Big Sky and Bozeman.