Issued at 04/19/2019 06:30   Valid until: 04/19/2019 23:59

CURRENT CONDITIONS (Mountain Weather Past 24 Hours)
At 10,400' Elevation 5 AM Temp Max Temp Avg Wind Dir Avg. Wind Speed Max Wind Gust
Lava 28 º F 38 West-Northwesterly 14 31
View Temperature and Wind Graphs View Lava 48 Hr Wind Graph
Location Elevation Snowfall/Prec. Total Snow Depth Total Snowfall
Togwotee Snotel 9,570' 0"/ 0.00 81" 327"
Brooks Lake Lodge 9,300' 0"/ 0.00" 64" 265"
Togwotee Lodge 8,300' 0"/ 0.00" 64" 253"
Mountain Weather Forecast for Today
Expect warm temperatures and mostly sunny skies as a ridge of high pressure resides over the region.
Temperature forecast for 8,000 - 9,000  
Rising into the mid 40s.
Ridge Top Wind Forecast for 10,000´
Westerly at 10 to 15 miles per hour.
Snowfall Expected Next 24 Hours
General Avalanche Advisory
Clear skies overnight and near freezing temperatures have frozen snow surfaces, and mostly stable conditions exist in the early morning hours. Mountain temperatures are starting out around 10 degrees warmer than yesterday morning, and the general avalanche hazard will quickly rise to Considerable above 8,000 feet as crusts break down and snow surfaces become saturated. As this happens, dangerous avalanche conditions will develop, and naturally releasing wet loose slides and large to very large wet slabs will become likely. Get a very early start, be prepared for the rapid development of wet slides, and get off of and out from under avalanche prone terrain before conditions become unstable. While the snowpack below 8,000 feet has undergone numerous melt freeze cycles, wet slides may still be possible where the snowpack remains. The final morning avalanche hazard bulletin of the season will be issued on Sunday, April 21st.

Today's Avalanche Problems

Wet Slab

Avalanche problem rose
Very Likely
Very Large
Increasing trend


Yesterday, abundant sunshine and warm temperatures resulted in significant avalanche activity in the Tetons as the April snowfall was substantially heated for the first time. Temperatures will be warmer today, and large to very large wet slab avalanches will quickly become likely above 8,000 feet. These slabs could be one to three feet deep. Smaller wet loose slides will also become likely on very steep terrain features. These wet slides could travel long distances and may gouge down to the ground in areas where the snowpack is isothermal.
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