AccuWeather: Elgin, IL: 5-day weather forecast, wind chill or heat index, National Weather Service forecast for the surrounding area.The Weather Channel - Elgin, IL: Current conditions, 10-day forecast, detailed forecast.Weather Central: Current conditions, seven day forecasts and area weather map.Weather Underground: Elgin, Illinois, Forecast: Active advisories, if any. Current conditions, forecast, links to weather maps.