Heat Advisory

* WHAT...Hot conditions with high temperatures up to 92 to 96 degrees and low temperatures down to 55 to 58 degrees expected. This will pose a moderate risk of heat-related illness.

* WHERE...Middle Chehalis River Valley, Lowlands of Lewis and Southern Thurston Counties, Olympia and Southern Puget Sound, and Willapa and Black Hills.

* 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.