Active Weather Alerts
Heat Advisory
Issued: 5:17 PM Jul. 21, 2026 – National Weather Service
...HEAT ADVISORY IN EFFECT UNTIL 9 PM PDT THIS EVENING... * WHAT...Temperatures into the mid 90 and low 100s. * WHERE...Entire Bay Area excluding the immediate Pacific Coast zones and San Francisco. Also, including Interior Central Coast. * WHEN...Until 9 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. 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. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. &&
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