East Slopes South - South of I-90 to Columbia River

Issued: 2:12 PM PST Tuesday, September 19, 2017
by Kenny Kramer

NWAC avalanche forecasts apply to backcountry avalanche terrain in the Olympics, Washington Cascades and Mt Hood area. These forecasts do not apply to developed ski areas, avalanche terrain affecting highways and higher terrain on the volcanic peaks above the Cascade crest level.

NWAC Fall Schedule

Winter is just around the corner!  Regular NWAC mountain weather and avalanche forecasts usually begin in mid to late November. Look for an upcoming blog post detailing late Fall/Winter NWAC operations specifying our forecast schedule. For more notes on early season avalanche hazards and Fall NWAC operations, please read the section below. 

If you have any comments or suggestions regarding the weather or the backcountry avalanche forecasting program, please direct them to:

Northwest Avalanche Center
7600 Sand Point Way NE
Seattle, Washington 98115

Or email or phone 206-526-6165 and leave a message. The non-profit side of NWAC can be reached at 


This Backcountry Avalanche Forecast is provided in conjunction with the US Forest Service, and is intended for personal and recreational purposes only. Safe backcountry travel requires preparation and planning, and this information may be used for planning purposes but does not provide all the information necessary for backcountry travel. Advanced avalanche education is strongly encouraged.

The user acknowledges that it is impossible to accurately predict natural events such as avalanches in every instance, and the accuracy or reliability of the data provided here is not guaranteed in any way. This forecast describes general avalanche conditions and local variations will always occur. This forecast expires 24 hours after the posted time unless noted otherwise.