(Source: Wikipedia) - Brief information and overview of Rockford

Rockford is a city in Winnebago and Ogle counties in the U.S. state of Illinois. It is located in far northern Illinois on the banks of the Rock River. It is the fifth-most populous city in Illinois, with a population of 148,655 at the 2020 census. The Rockford metropolitan area has an estimated 337,000 residents. Rockford is the county seat of Winnebago County and the most populous city in Illinois outside the Chicago metropolitan area.

Climate in Rockford :
Summers are usually hot and humid with the average high temperature in July (the hottest month) being 83.9 °F (28.8 °C). The winter months can bring bitterly cold Arctic air masses. The average high temperature in January (the coldest month) is 29.1 °F (−1.6 °C). June is Rockford's wettest month while January is the driest. During a typical year, Rockford receives 37.24 in (946 mm) of precipitation.