* WHAT...High temperatures ranging from 98 to 102 degrees with warm overnight lows between 65 to 70 degrees. Widespread Moderate HeatRisk with isolated areas of Major HeatRisk in lower valleys.
* WHERE...Western Nevada Basin and Range including Pyramid Lake.
* WHEN...From 11 AM Tuesday to 5 AM PDT Wednesday.
* 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.