* WHAT. Hot conditions during the day for the valleys. Highs 93 to 105. Overnight lows mainly in the upper 50s and 60s. * WHERE. Portions of North and North Central Idaho and Central, East Central, North Central, Northeast, and Southeast Washington. * WHEN. From noon Tuesday to 10 PM PDT Thursday. * IMPACTS. Heat will increase the risk of heat-related illnesses, especially those without effective cooling or adequate hydration.

Oregon Department of Environmental Quality has issued an Air Quality Advisory. IN EFFECT UNTIL NOON PDT WEDNESDAY. A Smoke Air Quality Advisory has been issued. Wildfires burning in the region combined with forecasted conditions will cause air quality to reach unhealthy levels. Pollutants in smoke can cause burning eyes. runny nose. aggravate heart and lung diseases. and aggravate other serious health problems. Limit outdoor activities and keep children indoors if it is smoky. Please follow medical advice if you have a heart or lung condition. For additional information. please visit the Web site at http://www.oregon.gov/DEQ