Tonight, skies will remain clear across the Willamette Valley with overnight lows dropping into the upper 30s to low 40s. An advisory remains in effect for the Upper Hood River Valley until early Monday morning due to colder temperatures.
Sunshine and clouds will mix on Monday with highs reaching the mid-60s. Weak upper-level troughs are expected to arrive Tuesday, bringing an increased chance for light showers, mainly over higher terrain. Daytime temperatures will cool slightly early this week, with highs in the low to mid-60s in the valleys.
Mid-week will see upper-level ridging build over the Pacific Northwest, leading to a rebound in temperatures. We anticipate highs climbing into the upper 60s to low 70s by Wednesday, and potentially reaching the mid-70s by Thursday, with a notable chance for temperatures to exceed 80 degrees in some areas. This pattern suggests warmer than normal conditions are likely for the latter half of the week…