A broad area of low pressure will bring changes to our weather as it slowly pushes eastward across the Pacific Northwest to start the week. Following Sunday's initial rain band, post-frontal showers are expected tonight through Tuesday morning across the Willamette Valley. This follows what has been an unusually dry October here in the Pacific Northwest.
While a brief drying trend may emerge, another system will track overhead late Tuesday, followed by yet another upper low from Wednesday through the remainder of the workweek. These systems will bring repeated chances for rain. Total rainfall through Tuesday morning could range from a half an inch to just over an inch, with some areas potentially receiving up to two and a quarter inches; however, we do not anticipate any flooding concerns.
Temperatures through the period will remain near seasonal norms, with afternoon highs in the low 50s to low 60s and overnight lows in the mid-30s to mid-40s. Increased cloud cover will limit the threat of frost or freeze conditions until later next week. Snow levels in the Cascade Range are expected to fall towards 5,000 feet, allowing for light accumulations above pass level through Wednesday, w...