A mix of sun and clouds is expected Monday across the Chicago area, offering some seasonably early August temperatures before summer heat builds again later this week.

The heat returns Wednesday with highs in the upper 80s to near 90 degrees. Skies are expected to be mostly sunny to partly ...

An air quality advisory was sent out to New Yorkers for Monday, when smoke from wildfires in Canada is expected to reach the ...

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.