The National Weather Service has expanded its HeatRisk map nationally, in time for Memorial Day weekend. The map predicts heat risk for the next seven days, with a color-coded map to simplify the ...

Health authorities in Oregon unveiled a heat map of the greater Portland area Wednesday, in the hope of avoiding deaths during the next excessive heat wave.

A massive tri-county heat mapping project has confirmed that summer temperatures vary widely across the metro region – with the hottest temperatures experienced by people living in suburban ...