PORTLAND, Ore. (KOIN) -- Summer heat remains as monsoonal moisture move into Oregon Tuesday.

Mostly cloudy and hazy conditions remain across western Oregon and southwest Washington on Tuesday. Temperatures will warm into the upper 80s and low 90s once again on Tuesday afternoon. This time, a stray raindrop or two is possible as monsoonal moisture moves across the region.

The biggest impact the monsoonal winds will bring is an increase in humidity values. The increase in humidity will make it feel hot and sticky on Tuesday and Wednesday. Some improvements with the humidity arrive later in the week as highs slowly cool.

High heat will make it difficult for moisture to make it to the surface on Tuesday afternoon and evening. A raindrop or two is possible, with a few one-hundredths of an in

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