* WHAT...High temperatures of 94 to 100 degrees expected, with widespread Moderate HeatRisk and areas of Major HeatRisk.
* WHERE...Portions of the central and southern Sacramento Valley, northern San Joaquin Valley, Delta and Carquinez Strait, and foothills.
* WHEN...From 11 AM Saturday to 10 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Hottest days expected on Sunday and Monday.