Advisory Archive

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.

Yesterday the Bridger Range picked up 3-4 inches of low density snow, all other areas picked up a trace to one inch. Today, weak disturbances imbedded in a northwest flow will produce a slight chance of snow in the northern mountains; the mountains around Cooke City and West Yellowstone will likely remain dry.  Currently, temperatures are in the single digits F and winds are blowing 5-10 out of the WNW with the exception of the Bridger Range where winds are blowing 10-25 out of the WNW.  Today, temperatures will warm into the teens under partly to mostly cloudy skies and winds will blow 5-20 out of the WNW.  The northern mountains will continue to see a slight chance of snow where 1-2 inches is possible by tomorrow morning. 

Overnight a trace of new snow fell in the mountains.  An additional 1-2 inches is possible by this afternoon.  Currently, temperatures are in the single digits F and winds are blowing 5-10 mph from the WSW.  Temperatures will warm into the teens today and winds will switch to the WNW blowing 5-15 mph.  No snow is expected tonight through tomorrow. 

Over the past 24 hours a trace to one inch of snow fell in the mountains.  Currently, temperatures are in the single digits and westerly winds are blowing 5-15 mph with gusts in the 20s.  Today, temperatures will warm into the high teens to low twenties F and winds will continue to blow 5-15 from the west.  Skies will become partly to mostly cloudy by this afternoon as a weak storm system approaches.  Light snow is likely by tomorrow morning with 1-3 inches possible by tomorrow afternoon.

Since yesterday the mountains near Bozeman and Big Sky received 2-3 inches of snow while mountains further south received a trace to one inch. Light snow was still falling this morning but should end soon as dry air moves over SW Montana today. Temperatures this morning were near 10 degrees F and should warm to the mid-teens to 20 F today. Westerly winds at ridgetops in the Bridger and northern Gallatin Ranges were averaging 20 mph with gusts of 30 mph. In all other areas westerly winds averaged 5-10 mph with gusts of 15-30 mph. Overall for today expect generally light winds, cold temperatures, and sunshine.

Yesterday afternoon the mountains near West Yellowstone received 2-3 inches of snow and other areas received about an inch. It was snowing this morning with an additional 2 inches recorded near Big Sky by 6 a.m. Temperatures were in the low teens and high single digits F this morning, and winds were averaging 10 mph from the NW with gusts of 15-20 mph. Snowfall will end this morning with little additional accumulation. Some snow will return tonight mainly in the mountains near Bozeman and Big Sky where 1-3 inches will fall. Areas further south should only receive a dusting.