* WHAT. Hot temperatures 92 to 104 expected with warm overnight lows in the 60s to upper 70s. * WHERE. Carquinez Strait and Delta, Central Sacramento Valley, Motherlode, Northern San Joaquin Valley, and Southern Sacramento Valley. * WHEN. Until 11 PM PDT Monday. * IMPACTS. Heat related illnesses will be possible, especially for groups that are sensitive to heat. * ADDITIONAL DETAILS. Widespread Moderate to Major HeatRisk is expected across the Valley, Delta, and foothills. Limited overnight cooling expected in the foothills. This level of heat may impact outdoor activities.

* WHAT. Dangerously hot conditions with temperatures up to 110. * WHERE. San Gorgonio Pass Near Banning. * WHEN. Until 8 PM PDT Monday. * IMPACTS. Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS. Major HeatRisk continues.

* WHAT. Dangerously hot conditions with temperatures up to 94. * WHERE. The hottest locations will be in the vicinity of Bayview, Mission, North and South Bernal Heights district. * WHEN. Until 11 PM PDT Sunday. * IMPACTS. Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure. Without effective cooling and/or adequate hydration, heat-related illnesses including heat stroke will be a risk to everyone. * ADDITIONAL DETAILS. Cumulative impacts from heat will increase the risk of heat-related illnesses.