Widespread frost is expected across all of northwest OR and southwest WA Tuesday night/Wednesday morning as temperatures dip into the low to mid 30s for most locations. However, temps will dip into the upper 20s across the Upper Hood River Valley. #orwx #wawx pic.twitter.com/1PGbAMgKE0

🌤 As the remnants of the weather system from last week move away to the east, the beginning of the school holidays is looking settled and calm weather-wise. pic.twitter.com/Az1ChHd2NY

Snow, heavy at times, will continue in the mountains overnight through Tuesday morning. Hazardous travel conditions with snow covered roads and poor visibility. Conditions will improve Tuesday afternoon. #COwx pic.twitter.com/6sbZdiwn7v

Overview of the latest highlights for snow and hazardous travel in the mountains, and strong, gusty winds over the northeast plains. #COwx pic.twitter.com/ZDPPy88SPk