On Wednesday at 3:02 a.m. the National Weather Service issued a heat advisory valid from Friday noon until Tuesday 10 p.m. for John Day Basin and Central Oregon.

"Hot temperatures with modest relief overnight expected. Highs in the 90s to low 100s. Morning lows in the upper 50s to mid 60s," says the weather service. "Saturday, Sunday, and Monday are forecast to be the hottest days with Moderate to Major HeatRisk (risk of heat-related impacts)."

"Hot temperatures and high humidity may cause heat illnesses," describes the weather service.

Hot weather safety: Weather service tips for staying safe and healthy

• Stay hydrated: Keep yourself well-hydrated by drinking plenty of fluids.
• Find cool shelter: Stay in an air-conditioned room.
• Avoid sun exposure: Stay out of the sun, and check up on relatives and neighbors.
• Child and pet safety: Take every precaution to never leave young children and pets alone in vehicles, especially in extreme heat when car interiors can quickly become hazardous.
• Caution outdoors: Take extra precautions if you work or spend time outside.
• Time your activities wisely: If possible, reschedule strenuous activities to early morning or evening when the heat is less intense.
• Recognize heat-related issues: Learn to identify the warning signs of heat exhaustion and heat stroke.
• Stay cool with clothing: Select lightweight and loose-fitting outfits for enhanced comfort.

Additional recommendations for outdoor workers:

• For outdoor workers, the Occupational Safety and Health Administration (OSHA) recommends regular rest breaks in shaded or air-conditioned areas.
• If someone is overwhelmed by the heat, swiftly relocate them to a cool, shaded location.
• In emergency situations, dial 911 for immediate assistance.

These NWS heat safety recommendations are vital for your well-being during periods of high temperatures. Stay informed and take the necessary steps to protect yourself and others from the heat's potentially dangerous effects.

Advance Local Weather Alerts is a service provided by United Robots, which uses machine learning to compile the latest data from the National Weather Service.