Trip Planning for Lionhead Range

as of 5:00 am
Today5″ | 15-34 W
Mar 15 3″ | 10-34 W
Mar 14 8″ | 20-40 W
9420′     03/16 at 21:00
24.3℉
W - 53mph
Gusts 93 mph
7750′     03/16 at 20:00
31℉
75″ Depth
Primary Problem: Wind Slab
Bottom Line: Wind slab avalanches are easy to trigger and dangerous avalanche conditions will develop. Heavy snowfall is possible today and strong wind will continue, so the size, likelihood and distribution of avalanches will increase through the day. Loose snow avalanches and storm slab avalanches are also possible and can easily run long distances on the crust below the new snow. An additional problem south of Big Sky to West Yellowstone are deeper persistent slab avalanches breaking 2-5 feet deep on the weak snow that was buried in late January. Avoid steep wind-loaded slopes. Consider avoiding all slopes steeper than 30 degrees as heavy snowfall and strong wind increase the chances of human-triggered and natural avalanches through the day.

Past 5 Days

Wed Mar 12

Low
Thu Mar 13

Considerable
Fri Mar 14

Moderate
Sat Mar 15

Moderate
Today

Considerable

Relevant Avalanche Activity

Lionhead Range
Lionhead Ridge
recent small wind slabs at Lionhead
Incident details include images
Lionhead Ridge
SS-N-R1-D1-S
Elevation: 9,000
Aspect: E
Coordinates: 44.7145, -111.3180
Caught: 0 ; Buried: 0

We rode out Lionhead Ridge and around the north end to the head of Targhee Creek. Skies started overcast, but cleared through the day as wind calmed from moderate to light out of the west and southwest.... there were two or three shallow small wind slabs below Lionhead Ridge. 


More Avalanche Details
Lionhead Range
Airplane Bowl
Snowmobile triggered slide in Airplane Bowl
Incident details include images
Airplane Bowl
HS-AMu-R2-D2-O
Elevation: 9,100
Aspect: SE
Coordinates: 44.7250, -111.3220
Caught: 0 ; Buried: 0

Also, on our way out we saw an avalanche in Airplane Bowl that had been triggered during the day today. This slide also broke on the persistent weak layers, 2-3' deep, 150' wide.


More Avalanche Details
Lionhead Range
Targhee Creek
Snowmobile triggered 3-5' deep hard slab at Lionhead
Incident details include images
Incident details contain video
Targhee Creek
HS-AMu-R4-D3-O
Elevation: 9,200
Aspect: N
Coordinates: 44.7413, -111.3740
Caught: 0 ; Buried: 0

A rider triggered a huge avalanche in the uppermost reaches of Targhee creek. We discovered it on our way out. The best we could tell looking at their tracks was that they had no idea they triggered it, even though part of their tracks were swept away. 

 


More Avalanche Details

Relevant Photos

Displaying 1 - 40

Videos- Lionhead Range

WebCams


Rendezvous Ski Trail, W. Yellowstone

Snowpit Profiles- Lionhead Range

 

Select a snowpit on the map to view the profile image

Weather Forecast Lionhead Range

Extended Forecast for

10 Miles WNW West Yellowstone MT

Winter Weather Advisory March 16, 10:12pm until March 17, 12:00pmHigh Wind Warning March 16, 10:12pm until March 17, 12:00amClick here for hazard details and duration Winter Weather Advisory High Wind Warning
  •   Winter Weather Advisory March 16, 10:12pm until March 17, 12:00pmHigh Wind Warning March 16, 10:12pm until March 17, 12:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 28 °F

    Chance Snow
    and Blowing
    Snow then
    Snow and
    Blowing Snow

  • Monday

    Monday: Snow. The snow could be heavy at times.  Areas of blowing snow before 4pm. High near 25. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 25 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Snow.  Low around 17. Southwest wind 10 to 17 mph becoming north in the evening. Winds could gust as high as 24 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 17 °F

    Snow

  • Tuesday

    Tuesday: Snow likely.  Mostly cloudy, with a high near 21. North northwest wind around 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 21 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 3. North northwest wind 8 to 18 mph, with gusts as high as 25 mph.

    Low: 3 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 20. Northwest wind 7 to 12 mph becoming south southwest 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 20 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight.  Mostly cloudy, with a low around 13. Breezy, with a south wind 16 to 22 mph, with gusts as high as 29 mph.

    Low: 13 °F

    Mostly Cloudy
    and Breezy
    then Slight
    Chance Snow

  • Thursday

    Thursday: Snow, mainly after noon.  Mostly cloudy, with a high near 23. South wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 23 °F

    Snow

The Last Word

03 / 15 / 25  <<  
 
this forecast
 
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