For the last three Fridays in July, music will ring out on porches and driveways in neighborhoods across Milwaukie.

There are about 20 cooling centers open in Clackamas County, from Welches to Wilsonville and Milwaukie. Highs will climb to the upper 90s on Wednesday.

Clackamas County opens cooling centers in response to a heat advisory, with emphasis on the vulnerable population.