Trip Planning for Lionhead Range

as of 5:00 am
Apr 40″ | 5-20 N
Apr 3 0″ | 3-7 W
Apr 2 0″ | 11-18 W
9420′     04/04 at 23:00
13.4℉
N - 11mph
Gusts 18 mph
7750′     04/04 at 23:00
15℉
70″ Depth
Primary Problem: Loose Wet
Bottom Line: Today’s transition between colder, snowy weather and warm, sunny, springlike weather bring a range of concerns. Wind Slab avalanches are a concern in places where winds have drifted and slightly stiffened the recent snow. As soon as direct sunshine hits sunny slopes today wet loose avalanches will become the big player. Be on alert as soon as the sun is not blocked by clouds.

Past 5 Days

Mon Mar 31

Low
Tue Apr 1

Moderate
Wed Apr 2

Moderate
Thu Apr 3

Low
Fri Apr 4

Moderate

Relevant Avalanche Activity

Lionhead Range
LIONHEAD AREA
Many Wind Slab Avalanches at Lionhead
Incident details include images
Incident details contain video
LIONHEAD AREA
N-R2-D2-I
Elevation: 9,400
Aspect: E
Coordinates: 44.7292, -111.3230
Caught: 0 ; Buried: 0

We saw many R1-R2 wind slab avalanches below the Lionhead Ridge cornice line. Visibility was limited so I won't estimate the exact number, but nearly every time we had good views of the steep faces, we saw cornice collapses, debris, or small crown lines. There were two slides on east aspects that ran closer to full path and piled debris more deeply. I expect that most of these had run within the last 24 hours, but continuing snowfall and hurricane force winds made precisely dating these a challenge (many trees were blown down during the wind event, these too were already somewhat buried). None of the avalanches broke on persistent weak layers as far as I could tell. 


More Avalanche Details

Relevant Photos

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Videos- Lionhead Range

WebCams


Rendezvous Ski Trail, W. Yellowstone

Snowpit Profiles- Lionhead Range

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Weather Forecast Lionhead Range

Extended Forecast for

10 Miles WNW West Yellowstone MT

  • Overnight

    Overnight: Mostly clear, with a low around 6. Wind chill values as low as -5. North wind 7 to 10 mph.

    Low: 6 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 35. Wind chill values as low as -5. North wind 5 to 10 mph becoming south in the afternoon.

    High: 35 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 20. West southwest wind 7 to 11 mph.

    Low: 20 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 39. South southwest wind 6 to 10 mph.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 23. South wind 9 to 11 mph.

    Low: 23 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 40. South southwest wind 10 to 20 mph, with gusts as high as 29 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 28. South southwest wind 14 to 21 mph, with gusts as high as 30 mph.  New snow accumulation of less than one inch possible.

    Low: 28 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 36. Southwest wind 13 to 21 mph, with gusts as high as 30 mph.

    High: 36 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly before midnight.  Mostly cloudy, with a low around 24. Breezy.

    Low: 24 °F

    Chance Snow
    and Breezy

The Last Word

Hyalite Road Closure 

The Hyalite Canyon Road is closed to ALL MOTORIZED VEHICLES until the morning of May 16. This is a regular annual road closure to reduce road damage during the spring thaw. Bicycle and foot traffic are allowed. Contact the Bozeman FS Ranger District for more info.

04 / 3 / 25  <<  
 
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