Extreme Heat Watch

* WHAT...For the Heat Advisory and the Extreme Heat Watch, lower valley highs 95 to 102 degrees with overnight lows between 58 to 65 degrees. Widespread Moderate HeatRisk.

* WHERE...Lassen-Eastern Plumas-Eastern Sierra 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.