We had relatively warm weather here the last week or so. A massive warmer-than-normal blob of water in the Pacific Ocean off the Washington coast may be to blame.
We also had the driest November in 40 years (only 1.71 in. of rain at Sea-Tac Airport, 26% of the average). That also means that the snowpack levels on the mountains in Washington State are lagging far behind the normal levels for this time of the year.