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Forecast for the Logan Area Mountains

Paige Pagnucco
Issued by Paige Pagnucco on
Sunday morning, March 23, 2025
The avalanche danger is MODERATE today. Sensitive slabs of wind-drifted snow exist on some steep slopes in upper-elevation terrain, and human-triggered avalanches are possible. Avoid overhanging cornices as they could break further back than expected and possibly cause an avalanche on the slope below. With clearing skies and the high March sun angle, expect wet avalanches with daytime heating on solar slopes.
Evaluate the snow and terrain carefully.
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Weather and Snow
The new snow has improved riding conditions across the range, with the Tony Grove Snotel reporting 1.2" of snow water equivalent from yesterday. It doesn't seem like the storm left an even blanket, so some areas may have up to a foot of new snow while others only a few inches. It's late March, and we'll take whatever we get. Winds blowing from the west will be light to moderate today and moving snow onto the lee side of ridges and terrain features. Avalanches of wind-drifted snow and large cornice falls are possible, mainly on slopes facing northwest through southeast in exposed higher-elevation terrain. Mountain temperatures are expected to be fairly warm today so expect to see natural wet avalanche activity in the afternoon. I hope that with partly cloudy skies and a westerly breeze, the snow surface doesn't completely turn into mashed potatoes. (But hope is "a state of mind, not a state of the world.")
The Tony Grove Snotel at 8400 feet reports 25°F this morning, with 104 inches of total snow. It's 20°F at the Card Canyon weather station at 8800 feet, with 79 inches of total snow. At 9700 feet at CSI's Logan Peak Wx station, winds are blowing 20 to 30 mph from the northwest with gusts 30 to 40 mph, and it's 17°F. The winds on Paris Peak at 9500 feet are blowing in the 20s mph with gusts in the 30s mph from the west-southwest, and it's 15° F.
Today will be partly sunny with an 8500' high near 40°F. Winds will blow from the northwest and then west around 10 to 20 mph. The main weather event is the significant warming expected this coming week as mountain temperatures will reach the 50s°F Monday and Tuesday and possibly 60°F on Wednesday. Expect significant wet avalanche activity over those days. The next chance for snow is Thursday/Friday.
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 yesterday.
Read about all avalanches and observations HERE.
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Avalanche Problem #1
Wind Drifted Snow
Type
Location
Likelihood
Size
Description
Sensitive slabs of wind-drifted snow exist in some areas, mainly near ridgelines and in and around terrain features like cliff bands, sub-ridges, and gullies.
  • Watch for and avoid stiffer wind-drifted snow on the lee side of major ridges and below cornices.
  • Wind slabs appear smooth, chalky, and rounded, and they can sound hollow, like a drum, when you move around on them.
  • Cracking is a red flag indicating unstable snow.
  • Hard wind slabs sometimes let you get out on them before releasing suddenly, while freshly formed, softer wind slabs are often very easily triggered, sometimes remotely (or from a distance).
Avalanche Problem #2
Cornice
Type
Location
Likelihood
Size
Description
  • People should stay off of, out from under, and well away from the edges of large overhanging cornices, which are deceptive and often break much further back than expected.
  • With daytime heating, natural and human-triggered cornice falls are possible today, and these could trigger avalanches on slopes beneath.
Avalanche Problem #3
Wet Snow
Type
Location
Likelihood
Size
Description
Daytime warming and sunshine will cause the snow on solar slopes to become unstable. Watch for rollerballs and pinwheels as signs of instability. If you sink up to your ankles in the mushy snow, it is time to move to a cooler aspect or elevation or simply to lower-angle terrain.
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
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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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