Advisory Archive
Since yesterday morning the mountains near Cooke City received 6 inches of snow while all other areas received 1-3 inches. Yesterday evening westerly winds increased to 20-30 mph but decreased this morning to 10-20 mph. Temperatures this morning were in the low teens F and should warm to the mid 20s F. Today will be mostly cloudy and only a trace of snow might fall by tomorrow morning. Snowfall should resume on Saturday.
The mountains near Big Sky, West Yellowstone, and Cooke City received 1-2 inches of snow since yesterday. This morning temperatures were near 20F and winds were blowing 15-20 mph from the WSW. More snow should fall today. High temperatures will be near 30F and winds will continue unchanged. By tomorrow morning most areas will receive 3-5 inches.
Yesterday was a snow free day. West winds decreased and are currently averaging 15-20 mph with gusts to 35 mph. Under partly cloudy skies the temperature dropped last night to 20F from yesterday’s high near 30F. Today will begin with mostly sunny skies, yet clouds will increase. Temperatures will climb to near freezing as winds remain west to southwest at 20 mph. Late tonight a spit of snow will drop a trace to one inch in the northern mountains and 1-2 inches in the south.
Since yesterday morning two inches of snow fell from Big Sky to West Yellowstone with Cooke City getting four inches. Mountain temperatures are in the upper teens, just a few degrees colder than yesterday’s high. Wind is the weather story. West to southwest winds started blowing yesterday morning and are averaging 25 mph with gusts to 68 mph. Mid slope anemometers are showing winds raking all elevations. These speeds will decrease to 20-30 mph later this morning. In the next 24 hours, under mostly cloudy skies mountain temperatures will climb only a few degrees with little chance of snowfall.
Over the past 24 hours 1-2 inches of new snow fell in most areas. Mountain temperatures are on the cool side ranging from the single digits to low teens F. Winds have started to pick up - blowing out of the W-SW at 15-30 mph with gusts in Hyalite and Big Sky reaching into the 40’s. Winds will continue to increase throughout the day with gusts reaching upwards of 60 mph by this afternoon. Temperatures will climb into the 20’s under mostly cloudy skies. A cold front will arrive this evening bringing with it cooler temps and light precipitation. 1-3 inches will accumulate in the mountains by tomorrow morning.
Overnight a trace of new snow fell in the mountains south of Bozeman. Currently, mountain temperatures are ranging from the single digits above or below zero with Shower Falls Snotel site in the northern Gallatin Range being the warm spot at 13 F. Winds have calmed since yesterday afternoon and are now blowing 10-20 mph out of the W-NW with a few gust reaching into the 30’s. Today, a westerly flow will keep skies partly to mostly cloudy producing a slight chance of mountain snow showers this afternoon. Temperatures will warm into the 20’s and winds will stay out of the west at 10-20 mph. 2-3” of new snow is possible by tomorrow morning.
No snow fell in the last 24 hours. This morning temperatures dropped into the negative single digits F, and in some valley locations temperatures dropped into the negative teens. Winds were mostly calm yesterday and last night but increased this morning to 20-40 mph from the W and SW. Today winds will continue and maybe increase a bit more. Fortunately more sunshine is expected and high temperatures in the upper teens F. Clouds may return Sunday and more snowfall should come early next week.
Since yesterday only 1-2 inches of snow fell in the mountains near Cooke City and West Yellowstone while all other areas were dry. Winds this morning were blowing 10-20 mph from the WSW and mountain temperatures were in the negative single digits F. In most places valley temperatures were about 10 degrees colder. Winds will be relatively calm today blowing westerly at 10-15 mph, and high temperatures will struggle to approach +10F. Only a trace-1 inch of snow will fall near Cooke City and West Yellowstone while more significant snowfall rolls through Wyoming and Utah. Saturday looks like it will be a relatively nice day in the mountains with light winds, some sunshine and high temperatures near 20F.
Since yesterday morning the mountains near Cooke City and West Yellowstone received 2-4 inches of snow while mountains near Bozeman and Big Sky received only a trace to 1 inch. Winds calmed overnight and were blowing 10-15 mph from the SW this morning with temperatures near 0F. The Bridger Range is the exception where cold E winds helped drop temperatures to -12F.
Today the weather will change little with more cold temperatures and more snow. High temperatures will only be a few degrees warmer than they were this morning. Fortunately winds shouldn’t change much and remain relatively calm. With a cold, dry E wind in the Bridgers, I don’t expect much snow in that range. Most other areas will receive 3-6 inches by tomorrow morning.
Since yesterday morning the southern mountains picked up five to seven inches of snow while the northern ranges got two inches. With mountain temperatures in the single digits, westerly winds are averaging 15 mph with gusts to 30 mph. Today will be mostly cloudy with a few flurries and temperatures only rising to near 10F. Tonight the mountains should get two to four inches of new snow with light southwest winds and temperatures dropping near zero.
