Heat Index & Heat Category

A focused weather safety tool that calculates Heat Index and shows the official Heat Category so you can plan travel and outdoor activities with confidence. Get location-based readings, color-coded risk levels, and clear guidance on hydration, rest, and scheduling. View hourly and multi-day trends, switch between Fahrenheit and Celsius, and track multiple cities for trips. Lightweight, accurate, and easy to use for travelers, outdoor workers, athletes, and families. Keywords: heat index app, heat category, weather, travel, outdoor safety.