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Forecast for the Logan Area Mountains

Toby Weed
Issued by Toby Weed on
Wednesday morning, January 15, 2025
The snow is stable; the danger is LOW on most slopes. Exceptions exist, and there is MODERATE danger on drifted upper-elevation slopes steeper than 30°. Dangerous hard slab avalanches failing on a persistent weak layer buried 2 to 4 feet deep are unlikely but remain possible in isolated or outlying northerly facing terrain with poor snow structure. Rocky windswept slopes with thin snow cover are most suspect. People might trigger small avalanches of wind-drifted snow, and loose wet avalanches are possible on sunny slopes in the afternoon.
Nice, fast shallow powder riding conditions can be found slopes facing all directions across the Logan Zone. The snow is especially nice in sheltered terrain and on lower-angled slopes.
Use normal caution and continue to practice safe travel protocols by only exposing one person at a time to avalanche risk.
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Weather and Snow
We've observed increasing snow stability, and dangerous avalanches breaking on the sugary, persistent weak layer near the ground are unlikely. Even so, potential deep hard slab avalanches could be devastating, and we are leery of slopes with poor snow structure facing the north half of the compass. People could trigger small avalanches of wind-drifted snow at upper elevations near ridgelines and in terrain features, where thin layer of weak snow may still be reactive today. Solar warming in the middle of the day could cause a potential for loose wet avalanches on sunny slopes.
Thanks to the cold temperatures and clouds, we'll find good shallow powder riding conditions again today in sheltered terrain on slopes facing all directions.
-The 8400' Tony Grove Snotel reports 17° F, with 1 inch of new snow and 60 inches total.
-On Logan Peak at 9700 feet, the wind is blowing from the north-northwest 25 to 30 mph, with overnight gusts close to 40 mph. It's 19° F.
-It's 20° F at 8800' at our Card Canyon station, with 44 inches of total snow.
-On Paris Peak at 9500' in Bloomington Canyon, it is 18° F, the winds are blowing from the north-northeast 15 to 20 mph,
NWS point forecast for Naomi Peak area: Today: Mostly sunny, with a high near 29. Wind chill values as low as 4. North northwest wind 3 to 6 mph. Tonight: Mostly clear, with a low around 17. West southwest wind 3 to 5 mph.
Thursday: Sunny, with a high near 32. Wind chill values as low as 10. West wind 5 to 8 mph.
Sunshine and cold nighttime temperatures are forecast in the mountains for the next two days, with clouds and a chance for a little snow coming on Friday and Friday night, with 1 to 3 inches possible.
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
  • No avalanches were reported recently in the Logan Zone. However, the Salt Lake Zone continues to be pretty active. A list of those avalanches is HERE
  • Read about all avalanches and observations in the Logan Zone HERE.
  • Remember, the information you share about avalanches you see or trigger could save lives.
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Avalanche Problem #1
Persistent Weak Layer
Type
Location
Likelihood
Size
Description
Weak faceted snow exists near the ground on almost all northerly-facing slopes at upper elevations. While the snow is becoming more stable, the buried, sugary, persistent weak layer near the ground is still a potential problem. Although increasingly unlikely, people might still trigger large avalanches, especially in outlying terrain and on rocky slopes with shallow snow cover.
  • Isolated avalanches might be triggered remotely (from a distance) or from below.
  • Continue to avoid steep slopes with poor snow structure on the north half of the compass. Isolated or outlying rocky slopes with thin snow cover are the most suspect.
Avalanche Problem #2
Normal Caution
Type
Location
Likelihood
Size
Description
Recent drifting created stiff wind slabs in exposed upper-elevation terrain. Shallow slabs of wind-drifted snow sit on top of weak surface snow from last week, and some may still be sensitive today. Solar warming will probably moisten the surface snow on sunny slopes, and small, loose wet avalanches may become possible.
  • Avalanches of wind-drifted snow are most likely to occur on the lee side of major ridges, especially on slopes capped by cornices. Wind slabs may be found in and around terrain features like cliff bands, sub-ridges, gullies, and scoops.
  • Rapid warming, roller balls, pinwheels, and surface sluffs indicate potential for wet avalanche activity. If the snow you're in gets damp and sticky, move to shadier terrain.
Additional Information
Here is our video about the Christmas Eve Steep Hollow Accident:
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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