Final answer:
In Chicago, expected weather conditions when a front passes through include thunderstorms or heavy snowstorms, depending on the season. Warm fronts might bring warmer temperatures and extended rain. The city's historical climate data suggests a range of possible conditions.
Step-by-step explanation:
The weather conditions people living in Chicago, Illinois, could expect as a front passes through depend on the type of front and the season. For example, a cold front could lead to a thunderstorm or a heavy snowstorm, depending on whether it occurs in summer or winter. On the other hand, a warm front might bring warmer temperatures and possibly several days of rain, especially during spring or fall.
Given Chicago's climate data, we know that extremes have occurred, such as the highest recorded temperature of 105° in July 1995 and the lowest of -27° in January 1958. Considering typical weather patterns, Chicago experiences a range of weather conditions throughout the year due to its location in the Midwest. Hence, a front passing through could produce a variety of weather events.