The Winter Storm Warning is expected to affect residents in St. Joseph County and surrounding regions, including Elkhart and Berrien Counties. Heavy snowfall and icy conditions could lead to hazardous travel, with the potential for road closures and accidents. Reduced visibility may further complicate driving conditions. Vulnerable populations, such as the elderly and those with limited mobility, may face increased risks due to the cold and icy environment. Power outages are also possible, given the severity of the storm.