On Monday, in Elgin, the weather remains calm, bright, and sunny. The temperature scale will run from a maximum of a hot 87.8°F to a minimum of a comfortable 66.2°F. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is assessed at a humid 93.2°F.
https://www.weather-us.com/en/illinois-usa/elgin-weather-tomorrow

