* WHAT...For the Heat Advisory, highs 100 to 104 degrees with overnight lows between 65 to 71 degrees. Widespread Moderate HeatRisk with areas of Major HeatRisk in lower valleys. For the Extreme Heat Watch, highs 101 to 106 degrees with overnight lows between 65 to 75 degrees. Widespread Major HeatRisk with areas of Extreme HeatRisk in lower valleys.
* WHERE...Western Nevada Basin and Range including Pyramid Lake.
* WHEN...For the Heat Advisory, from 8 AM Wednesday to 8 AM PDT Thursday. For the Extreme Heat Watch, from Thursday morning through Sunday morning.
* IMPACTS...Heat-related illnesses will be more likely, especially for those spending extended periods outdoors, in poorly cooled indoor spaces, or who are sensitive to heat.