* WHAT...Hot conditions with high temperatures up to 85 to 90 degrees expected and low temperatures 58 to 62 degrees. This will pose a moderate risk of heat-related illness.
* WHERE...Portions of northwest and west central Washington.
* WHEN...From 10 AM Wednesday to 10 PM PDT Thursday.
* 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.
* ADDITIONAL DETAILS...Warm temperatures overnight will bring limited relief for the interior.