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.

1. Install and open the app, then allow location access or search for a city you plan to visit. 2. Choose Fahrenheit or Celsius; the app will auto-fetch temperature and humidity, or enter them manually if needed. 3. Check the current Heat Index and color-coded Heat Category, then review recommended safety actions. 4. Open Forecast to see hourly and 7-day trends to plan activities during cooler periods. 5. Set alert thresholds to get notifications when heat risk rises, and save favorite locations for quick access.