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Forecast for the Logan Area Mountains

Paige Pagnucco
Issued by Paige Pagnucco on
Sunday morning, February 23, 2025
The avalanche danger is MODERATE today, and you could still trigger an avalanche failing on a persistent weak layer buried 3 - 4 feet deep, especially on previously or recently drifted upper-elevation slopes facing northwest through southeast. Wet avalanches remain possible on sunny slopes with saturated snow.
Evaluate the snow and terrain carefully and continue to practice safe travel protocols.
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Learn how to read the forecast here
Special Avalanche Bulletin
A series of storms in the last week has left a thick blanket of snow at all elevations, creating excellent powder riding conditions while also elevating the backcountry avalanche danger. Don't let the fresh snow influence your decision-making - avalanche conditions remain dangerous, people need to make conservative choices, and careful snowpack and terrain analysis are required for backcountry travel. Fortunately, there are great powder riding conditions away from avalanche terrain in the meadows and on safer slopes less than 30° in steepness. If you do enter avalanche terrain, do so one at a time while your partners watch from a safe location, not in the runout zone.
Special Announcements
Help the University of Utah understand risk behavior in the backcountry by participating in a 15-minute survey. The U will compensate up to $30 for your time! Please note: responses will not be confidential but will be handled ethically under IRB guidelines.
Weather and Snow
Yesterday was a stunning day in the mountains, with ample sunshine and fresh snow. Unfortunately, a snowmobiler was injured when another snowmobiler triggered a large avalanche above him (see below). Please follow safe travel protocols in avalanche terrain; expose only one person at a time, and do not park or wait in avalanche runouts.
If you want to ride safely in steep terrain, you need to do some homework. There are still buried weak layers out there, and you need to be sure they are not present or reactive where you want to ride. If you don't want the hassle of digging, stick to slopes less than 30 degrees, and you'll have a great, safe day.
-The Tony Grove Snotel at 8400 feet reports 28° F, with 95 inches of total snow. It's 23° F, at the Card Canyon weather station at 8800 feet with 69 inches of total snow.
At 9700 feet on Logan Peak, winds are blowing 30 mph from the west-southwest with gusts in the 40s mph, and it's 24° F. At 9500 feet on Paris Peak, it's 18° F, with winds blowing 28 to 38 mph from the southwest.
Today, expect a high of 32°F at 8,500 feet. Winds will be moderate, blowing from the southwest as the next storm system moves in. Snow is expected to begin around lunchtime and continue intermittently through Tuesday. Rain is possible at lower elevations. The mountains could receive 2–4 inches of snow today, with an additional 3–5 inches overnight. A strong high pressure moves into the zone Wednesday with warm temperatures and sunshine.
Thank you for reading our forecasts before heading out into the backcountry. We've had four avalanche fatalities this season and do not want anyone else to die in an avalanche.
For more information, visit the UAC weather page here: Weather - Utah Avalanche Center
For Logan-specific weather, go here: Logan Mountain Weather - Utah Avalanche Center
Recent Avalanches
A snowmobiler triggered an avalanche in Boss Canyon yesterday that unfortunately injured another rider. The large PWL avalanche was 2-4 feet deep and about four hundred feet wide and was triggered as the rider climbed a previously untouched steep section and topped out. We are thankful no one was killed, and the group was willing to share their story. Read the preliminary report HERE. Photo below of Boss Canyon avalanche.
In addition to Boss Canyon, there were three close calls yesterday in the Salt Lake and Provo area mountains.
Read about all avalanches and observations HERE.
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Avalanche Problem #1
Persistent Weak Layer
Type
Location
Likelihood
Size
Description
While the likelihood of triggering a PWL avalanche is decreasing, the consequences of doing so are not. Avalanches like the one in Boss Canyon are exactly what we are talking about here.
Large and dangerous avalanches failing on one of several buried persistent weak layers remain possible, especially in areas with shallower snow and poor snow structure. People could trigger cornice falls and avalanches of previously and/or recently drifted snow that may then step down into deeper layers on many upper and mid-elevation slopes, but the danger is most acute on upper-elevation slopes facing northwest through southeast.
  • Audible collapses (whumpfs) and shooting cracks are sure signs of instability, but these may not be present when avalanches occur.
  • Avalanches failing on a buried persistent weak layer might be triggered remotely (from a distance) or from below steep slopes.
Avalanche Problem #2
Wind Drifted Snow
Type
Location
Likelihood
Size
Description
Winds have picked up overnight and are loading snow onto the lee side of ridges. Avoid areas of freshly wind-drifted snow that may sound or feel hollow - wind-drifted snow is generally much denser than surrounding snow. These fresh windslabs can also be found around terrain features like cliff bands, subridges,and gullies. Watch for shooting cracks and be aware that any avalanche may step down into deeper weak layers.
Avalanche Problem #3
Wet Snow
Type
Location
Likelihood
Size
Description
Wet avalanches are possible on steep slopes where the snow is saturated. Warm temperatures and possibly rain may cause the snow to become unstable today in low-elevation and some mid-elevation terrain. Roller balls and pinwheels are sure signs of instability.
Natural wet avalanches are possible in areas where people may not expect them, like where you might walk the dog, throw a fly, or build a snowman.
Additional Information

General Announcements
-National Forest Winter Recreation Travel Maps show where it's open to ride: UWCNF Logan, Ogden LRD Tony Grove, Franklin Basin CTNF Montpelier
-For all questions on forecasts, education, Know Before You Go, events, online purchases, or fundraising, call 801-365-5522.
-Remember the information you provide could save lives, especially if you see or trigger an avalanche. To report an avalanche or submit an observation from the backcountry, go HERE.
-Receive forecast region-specific text message alerts to receive messages about changing avalanche conditions, watches, and warnings. Sign up and update your preferences HERE.
This forecast is from the U.S.D.A. Forest Service, which is solely responsible for its content. This forecast describes general avalanche conditions, and local variations always occur.
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