Excessive Heat Warning

Locations Affected

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

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service San Francisco Bay Area 849 PM PDT Sun Jun 30 2024 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM TUESDAY TO 11 PM PDT FRIDAY... * WHAT...Dangerously hot conditions with temperatures in the upper 90's to 110F expected. Limited overnight relief with low temperatures in the mid 60s to low 80s. Resultant widespread Major HeatRisk, with areas of Extreme HeatRisk. * WHERE...Marin Coastal Range, Sonoma Coastal Range, North Bay Interior Mountains, North Bay Interior Valleys, East Bay Interior Valleys, Santa Cruz Mountains, Santa Clara Valley, Eastern Santa Clara Hills, East Bay Hills, Southern Salinas Valley, Santa Lucia Mountains and Los Padres National Forest, and Mountains of San Benito and Interior Monterey. * WHEN...From 11 AM Tuesday to 11 PM PDT Friday. * 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. Overnight lows will warm as well leading to poor relief from the heat specifically in elevated terrain and interior areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay cool, stay out of the sun, and check up on relatives and neighbors. Beat the heat and check the backseat! Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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 see symptoms of heat exhaustion and/or heat stroke. 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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