Heat Advisory

* WHAT...Temperatures between 92 and 98 degrees F expected.

* WHERE...Central Willamette Valley, Lower Columbia River, and Outer Southeast Portland Metro.

* WHEN...From 11 AM Sunday to 11 PM PDT Tuesday.

* IMPACTS...Hot temperatures may cause heat illnesses.

* ADDITIONAL DETAILS...Peak heating days will be Sunday and Monday with a slight cool down on Tuesday. Overnight temperatures will remain elevated Sunday night into Monday morning, and Monday night into Tuesday morning. Night time temperatures ranging from 60 to 65 degrees F will lead to limited overnight relief.