Heat Advisory

Locations Affected

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

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service San Francisco CA 201 PM PDT Fri Jun 12 2026 ...HEAT ADVISORY NOW IN EFFECT UNTIL 7 PM PDT SATURDAY... * WHAT...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 Saturday. * IMPACTS...This level of heat affects primarily those individuals extremely sensitive to heat, especially when outdoors without effective cooling and/or adequate hydration. 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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