Clatsop County

Heat Advisory issued May 1 at 10:37AM PDT until May 3 at 11:00PM PDT by NWS Portland OR

* WHAT...Temperatures up to 90 degrees F expected. Significant cooling expected overnight. * WHERE...Greater Vancouver Metro, Lower Columbia River and Cowlitz River Valleys, Inner Portland Metro, and East Portland Metro. * WHEN...From 8 AM to 11 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...There is around 5% chance of high temperatures of 95 degrees or greater in urban areas around the Portland-Metro area. Overall Moderate HeatRisk with relieving cooling temperatures overnight. Highs will be near record breaking temperatures for this time of year.