Advisory Archive
There is no new snow. This morning, winds are moderate to strong out of the south and west (a bit lighter out of the northwest in Cooke City). Temperatures are in the 20s and 30s F.
Today, skies will be clear, winds moderate out of the southwest, with high temperatures in the 30s F.
It looks like there will be a dusting of snow tomorrow night with more chances for snowfall during the next work week.
Yesterday’s strong winds from the W were like a giant hair dryer melting snow off my sidewalk. In the mountains, they created massive plumes of snow as upper elevation wind gusts hit 80 mph. Most ridges had sustained 25-40 mph winds. Mountain temperatures were in the upper 20s F while they were above freezing in the Bridger Range. Snow fell near Cooke City with maybe 0.5 inches of SWE, but it's hard to tell how much because of the strong winds.
This morning winds have shifted direction and eased. Bringing cooler air from the NW, winds are averaging 15-20 mph gusting 35-40 mph. Temperatures are mostly in the upper teens F.
Today will be a gorgeous day in the mountains with a ridge of high pressure bringing mostly sunny skies, some high level clouds this afternoon, and temperatures warming near freezing again. Winds will steadily decrease through the day. This ridge of high pressure will remain through Saturday evening when a series of troughs or storms begin rolling through the area, but no major storms and snowfall are in the forecast yet.
This morning, temperatures are in the high teens to 20s F, with 15-35 mph winds from the southwest to the west. The mountains received 1-2” of snow.
Today, the wind will increase to 20-40 mph from the west to the southwest. Temperatures will be in the high 20s to 30s F, and Cooke City will get 1-2” of additional snow, with a trace elsewhere.
Mountain temperatures are in the teens F this morning, with 10-15 mph winds from the northwest to southwest.
24 Hour Snowfall Totals:
- Big Sky - 7-12” (0.3-0.6” Snow water equivalent - SWE)
- Bridger Range, Cooke City, West Yellowstone, and Island Park - 4-6” (0.4-0.8” SWE)
- Northern Gallatin Range - 2” (0.2” SWE)
Today, high temperatures will be in the 20s F, with 5-10 mph winds from the west to southwest. The mountains around Cooke City, West Yellowstone and Island Park will receive an additional 2-4” of snow by tomorrow morning, with a trace to 2” near Big Sky and Bozeman.
Since yesterday morning the Bridger Range received 8” of heavy new snow with 5-7” of lighter snow in Hyalite, Big Sky and Cooke City, and 2-3” elsewhere. Storm totals since Saturday night are:
10” snow/1.0-1.2” SWE - Bridger Range and Island Park
6-8” snow/0.4-0.8” SWE - Hyalite, Big Sky, S. Madison, West Yellowstone.
Yesterday wind was out of the west at 10-20 mph with gusts of 30-45 mph, and has decreased to 10-15 mph with gusts to 20-30 mph today. Temperatures are single digits to teens F this morning, and today will reach low 20s F. Snow is expected today, starting this morning near Island Park, West Yellowstone and Cooke City and this afternoon elsewhere. By tomorrow morning near Cooke City, Island Park and West Yellowstone could get 5-9” of snow with 3-6” elsewhere.
This morning, near Island Park and West Yellowstone have 4-6” of new snow, with 0” in Hyalite and 2-3” everywhere else. Wind has been out of the southwest and west at 10-20 mph with gusts of 30-45 mph. Temperatures are teens to 20s F.
Today temperatures will be in the teens and 20s F and drop to low teens F this afternoon. Wind will be out of the west and northwest at 10-20 mph with gusts to 35 mph. A period of heavy snow is expected this morning, favoring mountains near Bozeman and Big Sky with 5-8”, and 2-3” expected near Cooke City, West Yellowstone and Island Park. Snowfall will taper with light snowfall tonight in some places, and more snow possible tomorrow.
This morning, there is one inch of new snow around Cooke City and none elsewhere. Winds are 20-30 mph out of the southwest, with gusts of 40-50 mph (a bit lighter around Cooke City). Temperatures are in the teens and 20s F.
Snow will start falling this morning around Island Park and West Yellowstone, spreading across the advisory area tonight. By tomorrow morning, expect:
Island Park: 10-14” new snow
Lionhead: 6-10” new snow
Everywhere else: 3-5” new snow
Winds will remain strong and southwesterly, with temperatures rising into the 20s and low 30s F today.
There is at most a dusting of new snow. Temperatures are in the teens and 20s. Winds have mostly been 10-20 mph out of the south and west, with gusts of 25-35 mph. Except in Hyalite, where there were gusts up to 50 mph overnight.
Today, high temperatures will be in the 20s F. Skies will be sunny around Bozeman and Big Sky. Clouds will increase in southern areas, with light snow starting in Island Park.
Tonight, 1-3” of snow will fall in Island Park with little or none elsewhere.
Snow will spread further north tomorrow and tomorrow night, still favoring the Island Park area.
Overnight a trace of snow fell in some areas while others remained dry.
This morning, temperatures are mostly in the mid to upper teens F. Winds have generally been blowing from the W, a little from the NW and a little from the SW in places. Ridgetop wind speeds are averaging about 15 mph gusting 20-30 mph. They blew pretty strong on Tuesday moving lots of snow but haven’t increased since then.
Today will be mostly cloudy with high temperatures rising into the 20s F. Wind speeds will be similar today as they are this morning but will slowly shift direction and blow more from the SW.
A quick-moving storm is still on track to bring more snow on Sunday favoring areas near West Yellowstone and Island Park
Yesterday, strong winds blew from the W and NW. No snow fell but winds easily moved the snow that fell on Monday.
This morning, winds increased in most areas blowing 15-20 mph and gusting 25-40 from the W and SW. Winds in the Bridger Range remain similar at the ridge, but low elevation winds decreased significantly from yesterday. Temperatures in the Bridger Range are mostly in the 20s F, near Hyalite and Big Sky they are in the mid-teens F, and near Cooke City and West Yellowstone they are in the single digits F.
Today, clouds will increase throughout the day, and winds will slowly decrease. Temperatures may only rise by about five degrees from where they are this morning. A few snowflakes may dance in the air with no accumulations.
The rest of the week will have somewhat similar weather until a storm rolls over the area Sunday and Monday. Snowfall from this storm should favor mountains near West Yellowstone and Island Park.
