Smoke billowing from wildfires is polluting the air, worsening air and reducing visibility throughout Manitoba this weekend.

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

There will be pleasant summer temperatures for the weekend, with a steamy and stormy heat wave expected next week.

Air quality in the Chicago area has remained poor for three days in a row, the NBC 5 Storm Team reported Wednesday morning.