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Before You Go…

If you are an experienced 3-season backpacker, realize that what you know about common gear, such as stoves, hydration systems, sleeping bags, sleeping pads, and tents, will be different from what you need to know for winter conditions.

Know the Risks

Whenever you hike into the backcountry you expose yourself to dangers and risks, such as avalanches caused by snow, mud, or rock slides. There are hunters, falling rocks, falling trees, tree wells, and the risk of slipping off ledges, falling through snow or ice, suffering from hypothermia, snow blindness, frostbite, severe sunburns, stove accidents, etc.

Know the risks when you decide to go winter backpacking. Be prepared and bring what you need. Basic tips for staying warm and knowing what gear to bring are explained below. This is not a comprehensive discussion of winter backpacking or backcountry safety, but it does contain important things that you MUST know before going.

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Preparing for Winter Winds

Pacific Northwest winter weather is mild with temperatures usually between 20 to 35ºF for most backpacking trips between 3,000 and 7,000 feet of elevation. However, during the winter months, wind speeds increase significantly and trip planning needs to include clothing for wind protection to prevent discomfort, hypothermia, and even frostbite.

There is a thin line of protection between being a happy winter camper and being miserable and at risk. Always plan your kit so that you are fully protected and never cold for any significant length of time.

winter winds average speeds in Washington State
If you are use to three-season backpacking, you may be unfamiliar with the increased wind speeds of winter. Planning for the cold is not enough. You need to factor in wind as well to be safe.

Wind Forecasts

When planning a trip, bear in mind that a forecast of 10–25mph wind can fail to represent wind speed in specific terrain conditions, such as the crest of ridges or narrow saddles and valleys, where the wind can increase significantly. The Mountain Forecast website provides wind speed data for select elevations.

intense mountain winds
The forecast (February 9, 2019) included 10–25mph winds, but on this ridge we had trouble walking, indicating that the wind speed was around 40mph. The temperatures were 7–10ºF at 5000ft, making the wind chill probably –15ºF. Without the right clothing, this would place us close to the edge of frostbite danger.