Heat Advisory

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Seattle WA 857 PM PDT Thu Jun 11 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM SUNDAY TO 5 AM PDT TUESDAY... * WHAT...Hot conditions with high temperatures up to 85 to 90 degrees and low temperatures down to 60 degrees expected. This will pose a moderate risk of heat-related illness. * WHERE...Eastern Kitsap County, Eastern Strait of Juan de Fuca, Lowlands of Western Skagit and Northwestern Snohomish Counties, Lowlands of Western Whatcom County, Northern Hood Canal, Port Townsend Area, Southern Hood Canal, Downtown Everett / Marysville Area, and Shoreline / Lynnwood / South Everett Area. * WHEN...From 11 AM Sunday to 5 AM 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...The warmest daytime high temperatures are expected Monday afternoon and the warmest overnight lows are expected Monday night into Tuesday morning. 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.