The National Weather service around midday issued a Severe Thunderstorm Watch for the area ahead of a round of potentially severe weather on Wednesday night.

Officials have issued an air quality alert for around 10 million Americans, telling them to minimize outdoor activities and ...

The alert comes as humidity is expected to increase Tuesday, with high temperatures in the mid 80s to low 90s, with heat indices reaching 100 by Wednesday.

Wisconsin, Minnesota and Indiana all have air quality alerts, while Chicago's air quality currently ranks in the "unhealthy for sensitive groups" category.