It's summer, and it's been hot, even in northern cities such as Boston. But not everyone is hit with the heat in the same way ...

High temperatures swept across Washington on Monday, prompting warnings as meteorologists noted a years-long hot weather trend.

At 12:05 p.m. on Monday, the National Weather Service released a heat advisory valid for Tuesday between 11 a.m. and 8 p.m.

Snohomish County remains under a heat advisory until Tuesday night, with cooler, wet weather returning before the weekend.