Heat Advisory

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Seattle WA 1140 AM PDT Sat Jun 20 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM MONDAY TO 11 PM PDT TUESDAY... * WHAT...Hot conditions with high temperatures between 85 to 95 degrees expected and low temperatures between 55 to 60 degrees. This will pose a moderate risk of heat-related illness. * WHERE...Portions of northwest and west central Washington. * WHEN...From 11 AM Monday to 11 PM PDT Tuesday. * IMPACTS...Heat will significantly increase the risk of heat-related illnesses for those who are sensitive to heat, especially those without effective cooling or adequate hydration. * ADDITIONAL DETAILS...Temperatures will peak on Tuesday with the hottest locations expected to be in the low 90s in the Puget Sound region and mid 90s in areas south of Olympia. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. 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. For sheltering information and other human services in your area, dial 2 1 1 during business hours or visit wa211.org anytime.