Heat Advisory

* WHAT...For the Heat Advisory, highs 98 to 104 degrees with overnight lows between 65 to 73 degrees. Widespread Moderate (level 2 out of 4) HeatRisk with areas of Major (level 3 out of 4) HeatRisk in lower valleys. For the Extreme Heat Watch, highs 99 to 105 degrees with overnight lows between 65 to 75 degrees. Widespread Moderate HeatRisk with areas of Major HeatRisk.

* WHERE...Mineral and Southern Lyon Counties.

* 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.