Heavy Snow in Western Okanogan County, Washington

Light snow began in the late afternoon hours and began to accumulate around 1700PST. Snowfall rates picked up overnight and tapered off around 1000PST the following day. Heavy snow fell overnight with an accumulation of 6 to 12 inches down the Methow Valley.

Southwest flow aloft increased over the region as a Pacific low and a frontal boundary approached the Washington coast. Southerly winds increased, especially across

the Columbia Basin and Palouse on Sunday afternoon with gustiness continuing Sunday night. Snow spread into northeastern Washington on Sunday night with significant snowfall and increasing winds impacting the region on Monday.