Upper panel of the plot shows population-weighted high and low temperature for each day (note: day-1 has high temperature only). Lower panel shows the forecast electricity demand for the location, in percentage of the normal demand expected under normal weather conditions during this 7-day period.
as observed at Decatur, Decatur Airport
About Decatur, Decatur Airport (IL): Latitude: 39-50-04N. Longitude: 088-51-56W.