On slopes above 6000 feet in elevation and steeper than 35 degrees there is CONSIDERABLE AVALANCHE DANGER in the West Central Montana backcountry. The instability in the upper snowpack from last week’s storm has gained strength; but old, persistent, weak layers in the snowpack still exist. For all the information on avalanche danger just click on; missoulaavalanche.org on our web page, updated at least twice a week or when conditions warrant.