Here is a step-by-step guide on how to check the weather forecast for tomorrow:

1. Open your preferred weather app or website. Some popular options include The Weather Channel, AccuWeather, and Weather Underground.
2. Enter your location or allow the app/website to access your location.
3. Look for the "hourly" or "daily" forecast section.
4. Scroll down to tomorrow's forecast.
5. Check the temperature, precipitation chance, and any other relevant information.