Heat Advisory

* WHAT...Hot conditions with high temperatures up to 85 to 90 degrees and low temperatures down to 52 to 58 degrees expected. This will pose a moderate risk of heat-related illness.

* WHERE...Foothills of the Western and Southern Olympic Peninsula and Lower Chehalis River Valley.

* WHEN...Until 5 AM PDT Tuesday.

* IMPACTS...Heat will significantly increase the risk of heat-related illnesses for those who are sensitive to heat, especially those without effective cooling or adequate hydration.