* WHAT...Temperatures in the middle 90s to near 103 expected. Mild lows in the upper 60s to middle 70s in the higher elevations will limit overnight recovery.
* WHERE...North Bay Interior Valleys.
* WHEN...From 11 AM Saturday to 10 PM PDT Monday.
* IMPACTS...This level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure.