Heat Advisory

* WHAT...High temperatures of 100 to 105 degrees with overnight lows of 60 to 71 degrees. Widespread Major (level 3 out of 4) HeatRisk across lower valleys.

* WHERE...Western Nevada Basin and Range including Pyramid Lake and Mineral and Southern Lyon Counties.

* WHEN...From 8 AM Wednesday to 8 AM PDT Sunday.

* 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.