The results of the NOAA study show built-up areas in Toledo with unshaded parking lots appear to concentrate heat through the day, pointing to the downtown area.

The National Weather Service prediction center released a hazardous heat map for Sunday that shows much of Oregon is expected to see unusually warm temperatures. The weather service is predicting ...

On a single day last summer, volunteers across Multnomah, Clackamas, and Washington counties took time to track the heat by driving on various routes in the region with sensors on their cars.

TOLEDO, Ohio — The city of Toledo has been chosen for the National Oceanic and Atmospheric Administration's Urban Heat Island Mapping Campaign. The campaign will study how, and why, temperatures ...

OPB spoke with Oregon’s state climatologist, Larry O’Neill, who explained why extreme heat has become more common in the northwest. The following transcript has been edited for length and clarity.

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. July 15, 2025. contribute now.