Western Washington is experiencing a rare March snowfall, with snow levels dropping between 500 and 1,000 feet due to a powerful windstorm. Places such as Seattle, SeaTac. and parts of the state are seeing pockets of snow, but temperatures in the upper 30s are too warm for some areas, which may have some snowfalling. However, afternoon highs on Friday are expected to hover near 40 degrees, which should help melt much of any lowland snow accumulation. A winter storm warning is in effect for the Cascades and Olympics, replacing an earlier blizzard warning. The weather is expected to moderate over the weekend, with temperatures expected to return to the 50s by St.