* WHAT...Temperatures in the lower 80's to mid 90's. Temperatures up to 85 in the Northern Monterey Bay. * WHERE...San Francisco Bay Shoreline and Northern Salinas Valley, Hollister Valley, and Carmel Valley. Northern Monterey Bay. * WHEN...From 11 AM Tuesday to 11 PM PDT Friday. * IMPACTS...Those sensitive to heat, such as the homeless, elderly, children, and pets will be at risk for heat-related illnesses. Those without effective cooling and/or adequate hydration will be at the greatest risk.