Heat Advisory

Locations Affected

San Jose, CA ∙ Sunnyvale, CA ∙ Antioch, CA ∙ Concord, CA ∙ Santa Clara, CA ∙ Burbank, CA ∙ Livermore, CA ∙ San Ramon, CA ∙ Milpitas, CA ∙ Pleasanton, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 136 AM PDT Sat Jun 13 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING... * WHAT...Moderate HeatRisk with temperatures between 90 and 95 for most areas, with some readings above 100 degrees. Hottest conditions across the East Bay Hills and Valleys. * WHERE...The Santa Clara Valley and Eastern Hills, and The East Bay Hills and Valleys. * WHEN...Until 7 PM PDT this evening. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries. PRECAUTIONARY/PREPAREDNESS ACTIONS... Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

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